优化数据处理模块，增加PSG信号绘图功能，重构部分函数以提高可读性和可维护性

dataset_builder/HYS_PSG_dataset.py

@@ -0,0 +1,395 @@
+import multiprocessing
+import sys
+from pathlib import Path
+
+import os
+import numpy as np
+
+from utils import N2Chn
+
+os.environ['DISPLAY'] = "localhost:10.0"
+
+sys.path.append(str(Path(__file__).resolve().parent.parent))
+project_root_path = Path(__file__).resolve().parent.parent
+
+import  utils
+import signal_method
+import draw_tools
+import shutil
+import gc
+
+def build_HYS_dataset_segment(samp_id, show=False, draw_segment=False, verbose=True, multi_p=None, multi_task_id=None):
+    psg_data = utils.read_psg_channel(psg_signal_root_path / f"{samp_id}", [1, 2, 3, 4, 5, 6, 7, 8], verbose=verbose)
+
+    total_seconds = min(
+        psg_data[i]["second"] for i in N2Chn.values() if i != "Rpeak"
+    )
+    for i in N2Chn.values():
+        if i == "Rpeak":
+            continue
+        length = int(total_seconds * psg_data[i]["fs"])
+        psg_data[i]["data"] = psg_data[i]["data"][:length]
+        psg_data[i]["length"] = length
+        psg_data[i]["second"] = total_seconds
+
+    psg_data["HR"] = {
+        "name": "HR",
+        "data": signal_method.rpeak2hr(psg_data["Rpeak"]["data"], psg_data["ECG_Sync"]["length"],
+                                       psg_data["Rpeak"]["fs"]),
+        "fs": psg_data["ECG_Sync"]["fs"],
+        "length": psg_data["ECG_Sync"]["length"],
+        "second": psg_data["ECG_Sync"]["second"]
+    }
+    # 预处理与滤波
+    tho_data, tho_data_filt, tho_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=psg_data["Effort Tho"]["data"], effort_fs=psg_data["Effort Tho"]["fs"])
+    abd_data, abd_data_filt, abd_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=psg_data["Effort Abd"]["data"], effort_fs=psg_data["Effort Abd"]["fs"])
+    flowp_data, flowp_data_filt, flowp_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=psg_data["Flow P"]["data"], effort_fs=psg_data["Flow P"]["fs"])
+    flowt_data, flowt_data_filt, flowt_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=psg_data["Flow T"]["data"], effort_fs=psg_data["Flow T"]["fs"])
+
+    rri, rri_fs = signal_method.rpeak2rri_interpolation(rpeak_indices=psg_data["Rpeak"]["data"], ecg_fs=psg_data["ECG_Sync"]["fs"], rri_fs=100)
+
+
+    mask_excel_path = Path(mask_path, f"{samp_id}", f"{samp_id}_Processed_Labels.csv")
+    if verbose:
+        print(f"mask_excel_path: {mask_excel_path}")
+
+    event_mask, event_list = utils.read_mask_execl(mask_excel_path)
+
+    enable_list = [[0, psg_data["Effort Tho"]["second"]]]
+    normalized_tho_signal = signal_method.normalize_resp_signal_by_segment(tho_data_filt, tho_fs, np.zeros(psg_data["Effort Tho"]["second"]), enable_list)
+    normalized_abd_signal = signal_method.normalize_resp_signal_by_segment(abd_data_filt, abd_fs, np.zeros(psg_data["Effort Abd"]["second"]), enable_list)
+    normalized_flowp_signal = signal_method.normalize_resp_signal_by_segment(flowp_data_filt, flowp_fs, np.zeros(psg_data["Flow P"]["second"]), enable_list)
+    normalized_flowt_signal = signal_method.normalize_resp_signal_by_segment(flowt_data_filt, flowt_fs, np.zeros(psg_data["Flow T"]["second"]), enable_list)
+
+
+    # 都调整至100Hz采样率
+    target_fs = 100
+    normalized_tho_signal = utils.adjust_sample_rate(normalized_tho_signal, tho_fs, target_fs)
+    normalized_abd_signal = utils.adjust_sample_rate(normalized_abd_signal, abd_fs, target_fs)
+    normalized_flowp_signal = utils.adjust_sample_rate(normalized_flowp_signal, flowp_fs, target_fs)
+    normalized_flowt_signal = utils.adjust_sample_rate(normalized_flowt_signal, flowt_fs, target_fs)
+    spo2_data_filt = utils.adjust_sample_rate(psg_data["SpO2"]["data"], psg_data["SpO2"]["fs"], target_fs)
+    normalized_effort_signal = (normalized_tho_signal + normalized_abd_signal) / 2
+    rri = utils.adjust_sample_rate(rri, rri_fs, target_fs)
+
+    # 调整至相同长度
+    min_length = min(len(normalized_tho_signal), len(normalized_abd_signal), len(normalized_flowp_signal), len(normalized_flowt_signal), len(spo2_data_filt), len(normalized_effort_signal)
+                     ,len(rri))
+    min_length = min_length - min_length % target_fs  # 保证是整数秒
+    normalized_tho_signal = normalized_tho_signal[:min_length]
+    normalized_abd_signal = normalized_abd_signal[:min_length]
+    normalized_flowp_signal = normalized_flowp_signal[:min_length]
+    normalized_flowt_signal = normalized_flowt_signal[:min_length]
+    spo2_data_filt = spo2_data_filt[:min_length]
+    normalized_effort_signal = normalized_effort_signal[:min_length]
+    rri = rri[:min_length]
+
+    tho_second = min_length / target_fs
+    for i in event_mask.keys():
+        event_mask[i] = event_mask[i][:int(tho_second)]
+
+    spo2_data_filt_fill, spo2_disable_mask = utils.fill_spo2_anomaly(spo2_data=spo2_data_filt,
+                                                                spo2_fs=target_fs,
+                                                                max_fill_duration=30,
+                                                                min_gap_duration=10,)
+
+
+    draw_tools.draw_psg_signal(
+        samp_id=samp_id,
+        tho_signal=normalized_tho_signal,
+        abd_signal=normalized_abd_signal,
+        flowp_signal=normalized_flowp_signal,
+        flowt_signal=normalized_flowt_signal,
+        spo2_signal=spo2_data_filt,
+        effort_signal=normalized_effort_signal,
+        rri_signal = rri,
+        fs=target_fs,
+        event_mask=event_mask["SA_Label"],
+        save_path= mask_path / f"{samp_id}" / f"{samp_id}_Signal_Plots.png",
+        show=show
+    )
+
+    draw_tools.draw_psg_signal(
+        samp_id=samp_id,
+        tho_signal=normalized_tho_signal,
+        abd_signal=normalized_abd_signal,
+        flowp_signal=normalized_flowp_signal,
+        flowt_signal=normalized_flowt_signal,
+        spo2_signal=spo2_data_filt_fill,
+        effort_signal=normalized_effort_signal,
+        rri_signal = rri,
+        fs=target_fs,
+        event_mask=event_mask["SA_Label"],
+        save_path= mask_path / f"{samp_id}" / f"{samp_id}_Signal_Plots_fill.png",
+        show=show
+    )
+
+    spo2_disable_mask = spo2_disable_mask[::target_fs]
+    min_len = min(len(event_mask["Disable_Label"]), len(spo2_disable_mask))
+
+    if len(event_mask["Disable_Label"]) != len(spo2_disable_mask):
+        print(f"Warning: Data length mismatch! Truncating to {min_len}.")
+    event_mask["Disable_Label"] = event_mask["Disable_Label"][:min_len] & spo2_disable_mask[:min_len]
+
+    event_list = {
+                  "EnableSegment": utils.event_mask_2_list(1 - event_mask["Disable_Label"]),
+                  "DisableSegment": utils.event_mask_2_list(event_mask["Disable_Label"])}
+
+    spo2_data_filt_fill = np.nan_to_num(spo2_data_filt_fill, nan=95)
+
+    segment_list, disable_segment_list = utils.resp_split(dataset_config, event_mask, event_list, verbose=verbose)
+    if verbose:
+        print(f"Total segments extracted for sample ID {samp_id}: {len(segment_list)}")
+
+
+    # 复制mask到processed_Labels文件夹
+    save_mask_excel_path = save_processed_label_path / f"{samp_id}_Processed_Labels.csv"
+    shutil.copyfile(mask_excel_path, save_mask_excel_path)
+
+    # 复制SA Label_corrected.csv到processed_Labels文件夹
+    sa_label_corrected_path = Path(mask_path, f"{samp_id}", f"{samp_id}_SA Label_Sync.csv")
+    if sa_label_corrected_path.exists():
+        save_sa_label_corrected_path = save_processed_label_path / f"{samp_id}_SA Label_corrected.csv"
+        shutil.copyfile(sa_label_corrected_path, save_sa_label_corrected_path)
+    else:
+        if verbose:
+            print(f"Warning: {sa_label_corrected_path} does not exist.")
+
+    # 保存处理后的信号和截取的片段列表
+    save_signal_path = save_processed_signal_path / f"{samp_id}_Processed_Signals.npz"
+    save_segment_path = save_segment_list_path / f"{samp_id}_Segment_List.npz"
+
+    # psg_data更新为处理后的信号
+    # 用下划线替换键里面的空格
+    psg_data = {
+        "Effort Tho": {
+            "name": "Effort_Tho",
+            "data": normalized_tho_signal,
+            "fs": target_fs,
+            "length": len(normalized_tho_signal),
+            "second": len(normalized_tho_signal) / target_fs
+        },
+        "Effort Abd": {
+            "name": "Effort_Abd",
+            "data": normalized_abd_signal,
+            "fs": target_fs,
+            "length": len(normalized_abd_signal),
+            "second": len(normalized_abd_signal) / target_fs
+        },
+        "Effort": {
+            "name": "Effort",
+            "data": normalized_effort_signal,
+            "fs": target_fs,
+            "length": len(normalized_effort_signal),
+            "second": len(normalized_effort_signal) / target_fs
+        },
+        "Flow P": {
+            "name": "Flow_P",
+            "data": normalized_flowp_signal,
+            "fs": target_fs,
+            "length": len(normalized_flowp_signal),
+            "second": len(normalized_flowp_signal) / target_fs
+        },
+        "Flow T": {
+            "name": "Flow_T",
+            "data": normalized_flowt_signal,
+            "fs": target_fs,
+            "length": len(normalized_flowt_signal),
+            "second": len(normalized_flowt_signal) / target_fs
+        },
+        "SpO2": {
+            "name": "SpO2",
+            "data": spo2_data_filt_fill,
+            "fs": target_fs,
+            "length": len(spo2_data_filt_fill),
+            "second": len(spo2_data_filt_fill) / target_fs
+        },
+        "HR": {
+            "name": "HR",
+            "data": psg_data["HR"]["data"],
+            "fs": psg_data["HR"]["fs"],
+            "length": psg_data["HR"]["length"],
+            "second": psg_data["HR"]["second"]
+        },
+        "RRI": {
+            "name": "RRI",
+            "data": rri,
+            "fs": target_fs,
+            "length": len(rri),
+            "second": len(rri) / target_fs
+        },
+        "5_class": {
+            "name": "Stage",
+            "data": psg_data["5_class"]["data"],
+            "fs": psg_data["5_class"]["fs"],
+            "length": psg_data["5_class"]["length"],
+            "second": psg_data["5_class"]["second"]
+        }
+    }
+
+    np.savez_compressed(save_signal_path, **psg_data)
+    np.savez_compressed(save_segment_path,
+                        segment_list=segment_list,
+                        disable_segment_list=disable_segment_list)
+    if verbose:
+        print(f"Saved processed signals to: {save_signal_path}")
+        print(f"Saved segment list to: {save_segment_path}")
+
+    if draw_segment:
+        total_len = len(segment_list) + len(disable_segment_list)
+        if verbose:
+            print(f"Drawing segments for sample ID {samp_id}, total segments (enable + disable): {total_len}")
+
+
+        draw_tools.draw_psg_label(
+            psg_data=psg_data,
+            psg_label=event_mask["SA_Label"],
+            segment_list=segment_list,
+            save_path=visual_path / f"{samp_id}" / "enable",
+            verbose=verbose,
+            multi_p=multi_p,
+            multi_task_id=multi_task_id
+        )
+
+        draw_tools.draw_psg_label(
+            psg_data=psg_data,
+            psg_label=event_mask["SA_Label"],
+            segment_list=disable_segment_list,
+            save_path=visual_path / f"{samp_id}" / "disable",
+            verbose=verbose,
+            multi_p=multi_p,
+            multi_task_id=multi_task_id
+        )
+
+    # 显式删除大型对象
+    try:
+        del psg_data
+        del normalized_tho_signal, normalized_abd_signal
+        del normalized_flowp_signal, normalized_flowt_signal
+        del normalized_effort_signal
+        del spo2_data_filt, spo2_data_filt_fill
+        del rri
+        del event_mask, event_list
+        del segment_list, disable_segment_list
+    except:
+        pass
+
+    # 强制垃圾回收
+    gc.collect()
+
+
+
+def multiprocess_entry(_progress, task_id, _id):
+    build_HYS_dataset_segment(samp_id=_id, show=False, draw_segment=True, verbose=False, multi_p=_progress, multi_task_id=task_id)
+
+
+def multiprocess_with_tqdm(args_list, n_processes):
+    from concurrent.futures import ProcessPoolExecutor
+    from rich import progress
+
+    with progress.Progress(
+            "[progress.description]{task.description}",
+            progress.BarColumn(),
+            "[progress.percentage]{task.percentage:>3.0f}%",
+            progress.MofNCompleteColumn(),
+            progress.TimeRemainingColumn(),
+            progress.TimeElapsedColumn(),
+            refresh_per_second=1,  # bit slower updates
+            transient=False
+    ) as progress:
+        futures = []
+        with multiprocessing.Manager() as manager:
+            _progress = manager.dict()
+            overall_progress_task = progress.add_task("[green]All jobs progress:")
+            with ProcessPoolExecutor(max_workers=n_processes, mp_context=multiprocessing.get_context("spawn")) as executor:
+                for i_args in range(len(args_list)):
+                    args = args_list[i_args]
+                    task_id = progress.add_task(f"task {i_args}", visible=True)
+                    futures.append(executor.submit(multiprocess_entry, _progress, task_id, args_list[i_args]))
+                # monitor the progress:
+                while (n_finished := sum([future.done() for future in futures])) < len(
+                        futures
+                ):
+                    progress.update(
+                        overall_progress_task, completed=n_finished, total=len(futures)
+                    )
+                    for task_id, update_data in _progress.items():
+                        desc = update_data.get("desc", "")
+                        # update the progress bar for this task:
+                        progress.update(
+                            task_id,
+                            completed=update_data.get("progress", 0),
+                            total=update_data.get("total", 0),
+                            description=desc
+                        )
+
+                # raise any errors:
+                for future in futures:
+                    future.result()
+
+
+def multiprocess_with_pool(args_list, n_processes):
+    """使用Pool，每个worker处理固定数量任务后重启"""
+    from multiprocessing import Pool
+
+    # maxtasksperchild 设置每个worker处理多少任务后重启（释放内存）
+    with Pool(processes=n_processes, maxtasksperchild=2) as pool:
+        results = []
+        for samp_id in args_list:
+            result = pool.apply_async(
+                build_HYS_dataset_segment,
+                args=(samp_id, False, True, False, None, None)
+            )
+            results.append(result)
+
+        # 等待所有任务完成
+        for i, result in enumerate(results):
+            try:
+                result.get()
+                print(f"Completed {i + 1}/{len(args_list)}")
+            except Exception as e:
+                print(f"Error processing task {i}:  {e}")
+
+        pool.close()
+        pool.join()
+
+
+if __name__ == '__main__':
+    yaml_path =  project_root_path / "dataset_config/HYS_PSG_config.yaml"
+
+    conf = utils.load_dataset_conf(yaml_path)
+    select_ids = conf["select_ids"]
+    root_path = Path(conf["root_path"])
+    mask_path = Path(conf["mask_save_path"])
+    save_path = Path(conf["dataset_config"]["dataset_save_path"])
+    visual_path = Path(conf["dataset_config"]["dataset_visual_path"])
+    dataset_config = conf["dataset_config"]
+
+    visual_path.mkdir(parents=True, exist_ok=True)
+
+    save_processed_signal_path = save_path / "Signals"
+    save_processed_signal_path.mkdir(parents=True, exist_ok=True)
+
+    save_segment_list_path = save_path / "Segments_List"
+    save_segment_list_path.mkdir(parents=True, exist_ok=True)
+
+    save_processed_label_path = save_path / "Labels"
+    save_processed_label_path.mkdir(parents=True, exist_ok=True)
+
+    # print(f"select_ids: {select_ids}")
+    # print(f"root_path: {root_path}")
+    # print(f"save_path: {save_path}")
+    # print(f"visual_path: {visual_path}")
+
+    org_signal_root_path = root_path / "OrgBCG_Aligned"
+    psg_signal_root_path = root_path / "PSG_Aligned"
+    print(select_ids)
+
+    # build_HYS_dataset_segment(select_ids[3], show=False, draw_segment=True)
+
+    # for samp_id in select_ids:
+    #     print(f"Processing sample ID: {samp_id}")
+    #     build_HYS_dataset_segment(samp_id, show=False, draw_segment=True)
+
+    # multiprocess_with_tqdm(args_list=select_ids, n_processes=8)
+    multiprocess_with_pool(args_list=select_ids, n_processes=8)

dataset_builder/HYS_dataset.py

@@ -33,7 +33,7 @@ def build_HYS_dataset_segment(samp_id, show=False, draw_segment=False, verbose=T
     bcg_signal_raw, signal_length, signal_fs, signal_second = utils.read_signal_txt(signal_path, dtype=float, verbose=verbose)
 
     bcg_signal_notch, resp_signal, resp_fs, bcg_signal, bcg_fs = signal_method.signal_filter_split(conf, bcg_signal_raw, signal_fs, verbose=verbose)
-    normalized_resp_signal = signal_method.normalize_resp_signal(resp_signal, resp_fs, event_mask["Resp_Movement_Label"], event_list["RespAmpChangeSegment"])
+    normalized_resp_signal = signal_method.normalize_resp_signal_by_segment(resp_signal, resp_fs, event_mask["Resp_Movement_Label"], event_list["RespAmpChangeSegment"])
 
 
     # 如果signal_data采样率过，进行降采样
@@ -123,7 +123,7 @@ def build_HYS_dataset_segment(samp_id, show=False, draw_segment=False, verbose=T
         psg_data = utils.read_psg_channel(psg_signal_root_path / f"{samp_id}", [1, 2, 3, 4, 5, 6, 7, 8], verbose=verbose)
         psg_data["HR"] = {
             "name": "HR",
-            "data":  signal_method.rpeak2hr(psg_data["Rpeak"]["data"], psg_data["ECG_Sync"]["length"]),
+            "data":  signal_method.rpeak2hr(psg_data["Rpeak"]["data"], psg_data["ECG_Sync"]["length"], psg_data["Rpeak"]["fs"]),
             "fs": psg_data["ECG_Sync"]["fs"],
             "length": psg_data["ECG_Sync"]["length"],
             "second": psg_data["ECG_Sync"]["second"]
@@ -136,28 +136,28 @@ def build_HYS_dataset_segment(samp_id, show=False, draw_segment=False, verbose=T
         if verbose:
             print(f"Drawing segments for sample ID {samp_id}, total segments (enable + disable): {total_len}")
 
-        draw_tools.draw_psg_bcg_label(psg_data=psg_data,
+        # draw_tools.draw_psg_bcg_label(psg_data=psg_data,
-                                      psg_label=psg_event_mask,
+        #                               psg_label=psg_event_mask,
-                                      bcg_data=bcg_data,
+        #                               bcg_data=bcg_data,
-                                      event_mask=event_mask,
+        #                               event_mask=event_mask,
-                                      segment_list=segment_list,
+        #                               segment_list=segment_list,
-                                      save_path=visual_path / f"{samp_id}" / "enable",
+        #                               save_path=visual_path / f"{samp_id}" / "enable",
-                                      verbose=verbose,
+        #                               verbose=verbose,
-                                      multi_p=multi_p,
+        #                               multi_p=multi_p,
-                                      multi_task_id=multi_task_id
+        #                               multi_task_id=multi_task_id
-                                      )
+        #                               )
-
+        #
-        draw_tools.draw_psg_bcg_label(
+        # draw_tools.draw_psg_bcg_label(
-            psg_data=psg_data,
+        #     psg_data=psg_data,
-            psg_label=psg_event_mask,
+        #     psg_label=psg_event_mask,
-            bcg_data=bcg_data,
+        #     bcg_data=bcg_data,
-            event_mask=event_mask,
+        #     event_mask=event_mask,
-            segment_list=disable_segment_list,
+        #     segment_list=disable_segment_list,
-            save_path=visual_path / f"{samp_id}" / "disable",
+        #     save_path=visual_path / f"{samp_id}" / "disable",
-            verbose=verbose,
+        #     verbose=verbose,
-            multi_p=multi_p,
+        #     multi_p=multi_p,
-            multi_task_id=multi_task_id
+        #     multi_task_id=multi_task_id
-        )
+        # )
 
 
 
@@ -241,11 +241,12 @@ if __name__ == '__main__':
 
     org_signal_root_path = root_path / "OrgBCG_Aligned"
     psg_signal_root_path = root_path / "PSG_Aligned"
+    print(select_ids)
 
-    build_HYS_dataset_segment(select_ids[0], show=False, draw_segment=True)
+    # build_HYS_dataset_segment(select_ids[3], show=False, draw_segment=True)
 
     # for samp_id in select_ids:
     #     print(f"Processing sample ID: {samp_id}")
     #     build_HYS_dataset_segment(samp_id, show=False, draw_segment=True)
 
-    # multiprocess_with_tqdm(args_list=select_ids, n_processes=16)
+    multiprocess_with_tqdm(args_list=select_ids, n_processes=16)

dataset_config/HYS_PSG_config.yaml

@@ -0,0 +1,129 @@
+select_ids:
+  - 54
+  - 88
+  - 220
+  - 221
+  - 229
+  - 282
+  - 286
+  - 541
+  - 579
+  - 582
+  - 670
+  - 671
+  - 683
+  - 684
+  - 735
+  - 933
+  - 935
+  - 950
+  - 952
+  - 960
+  - 962
+  - 967
+  - 1302
+
+root_path: /mnt/disk_wd/marques_dataset/DataCombine2023/HYS
+mask_save_path: /mnt/disk_code/marques/dataprepare/output/HYS_PSG
+
+dataset_config:
+  window_sec: 180
+  stride_sec: 60
+  dataset_save_path: /mnt/disk_wd/marques_dataset/SA_dataset/HYS_PSG_dataset
+  dataset_visual_path: /mnt/disk_wd/marques_dataset/SA_dataset/HYS_PSG_dataset/visualization
+
+
+effort:
+  downsample_fs: 10
+
+effort_filter:
+    filter_type: bandpass
+    low_cut: 0.05
+    high_cut: 0.5
+    order: 3
+
+flow:
+  downsample_fs: 10
+
+flow_filter:
+    filter_type: bandpass
+    low_cut: 0.05
+    high_cut: 0.5
+    order: 3
+
+#ecg:
+#  downsample_fs: 100
+#
+#ecg_filter:
+#    filter_type: bandpass
+#    low_cut: 0.5
+#    high_cut: 40
+#    order: 5
+
+
+#resp:
+#  downsample_fs_1: None
+#  downsample_fs_2: 10
+#
+#resp_filter:
+#  filter_type: bandpass
+#  low_cut: 0.05
+#  high_cut: 0.5
+#  order: 3
+#
+#resp_low_amp:
+#  window_size_sec: 30
+#  stride_sec:
+#  amplitude_threshold: 3
+#  merge_gap_sec: 60
+#  min_duration_sec: 60
+#
+#resp_movement:
+#  window_size_sec: 20
+#  stride_sec: 1
+#  std_median_multiplier: 4
+#  compare_intervals_sec:
+#    - 60
+#    - 120
+##    - 180
+#  interval_multiplier: 3
+#  merge_gap_sec: 30
+#  min_duration_sec: 1
+#
+#resp_movement_revise:
+#  up_interval_multiplier: 3
+#  down_interval_multiplier: 2
+#  compare_intervals_sec: 30
+#  merge_gap_sec: 10
+#  min_duration_sec: 1
+#
+#resp_amp_change:
+#  mav_calc_window_sec: 4
+#  threshold_amplitude: 0.25
+#  threshold_energy: 0.4
+#
+#
+#bcg:
+#  downsample_fs: 100
+#
+#bcg_filter:
+#  filter_type: bandpass
+#  low_cut: 1
+#  high_cut: 10
+#  order: 10
+#
+#bcg_low_amp:
+#  window_size_sec: 1
+#  stride_sec:
+#  amplitude_threshold: 8
+#  merge_gap_sec: 20
+#  min_duration_sec: 3
+#
+#
+#bcg_movement:
+#  window_size_sec: 2
+#  stride_sec:
+#  merge_gap_sec: 20
+#  min_duration_sec: 4
+
+

draw_tools/__init__.py

@@ -1,2 +1,2 @@
-from .draw_statics import draw_signal_with_mask
+from .draw_statics import draw_signal_with_mask, draw_psg_signal
-from .draw_label import draw_psg_bcg_label, draw_resp_label
+from .draw_label import draw_psg_bcg_label,draw_psg_label

draw_tools/draw_label.py

@@ -7,10 +7,10 @@ import seaborn as sns
 import numpy as np
 from tqdm.rich import tqdm
 import utils
-
+import gc
 #  添加with_prediction参数
 
-psg_chn_name2ax = {
+psg_bcg_chn_name2ax = {
     "SpO2": 0,
     "Flow T": 1,
     "Flow P": 2,
@@ -24,6 +24,19 @@ psg_chn_name2ax = {
     "bcg_twinx": 10,
 }
 
+psg_chn_name2ax = {
+    "SpO2": 0,
+    "Flow T": 1,
+    "Flow P": 2,
+    "Effort Tho": 3,
+    "Effort Abd": 4,
+    "Effort": 5,
+    "HR": 6,
+    "RRI": 7,
+    "Stage": 8,
+}
+
+
 resp_chn_name2ax = {
     "resp": 0,
     "bcg": 1,
@@ -39,6 +52,54 @@ def create_psg_bcg_figure():
         ax = fig.add_subplot(gs[i])
         axes.append(ax)
 
+    axes[psg_bcg_chn_name2ax["SpO2"]].grid(True)
+    # axes[0].xaxis.set_major_formatter(Params.FORMATTER)
+    axes[psg_bcg_chn_name2ax["SpO2"]].set_ylim((85, 100))
+    axes[psg_bcg_chn_name2ax["SpO2"]].tick_params(axis='x', colors="white")
+
+    axes[psg_bcg_chn_name2ax["Flow T"]].grid(True)
+    # axes[1].xaxis.set_major_formatter(Params.FORMATTER)
+    axes[psg_bcg_chn_name2ax["Flow T"]].tick_params(axis='x', colors="white")
+
+    axes[psg_bcg_chn_name2ax["Flow P"]].grid(True)
+    # axes[2].xaxis.set_major_formatter(Params.FORMATTER)
+    axes[psg_bcg_chn_name2ax["Flow P"]].tick_params(axis='x', colors="white")
+
+    axes[psg_bcg_chn_name2ax["Effort Tho"]].grid(True)
+    # axes[3].xaxis.set_major_formatter(Params.FORMATTER)
+    axes[psg_bcg_chn_name2ax["Effort Tho"]].tick_params(axis='x', colors="white")
+
+    axes[psg_bcg_chn_name2ax["Effort Abd"]].grid(True)
+    # axes[4].xaxis.set_major_formatter(Params.FORMATTER)
+    axes[psg_bcg_chn_name2ax["Effort Abd"]].tick_params(axis='x', colors="white")
+
+    axes[psg_bcg_chn_name2ax["HR"]].grid(True)
+    axes[psg_bcg_chn_name2ax["HR"]].tick_params(axis='x', colors="white")
+
+    axes[psg_bcg_chn_name2ax["resp"]].grid(True)
+    axes[psg_bcg_chn_name2ax["resp"]].tick_params(axis='x', colors="white")
+    axes.append(axes[psg_bcg_chn_name2ax["resp"]].twinx())
+
+    axes[psg_bcg_chn_name2ax["bcg"]].grid(True)
+    # axes[5].xaxis.set_major_formatter(Params.FORMATTER)
+    axes[psg_bcg_chn_name2ax["bcg"]].tick_params(axis='x', colors="white")
+    axes.append(axes[psg_bcg_chn_name2ax["bcg"]].twinx())
+
+    axes[psg_bcg_chn_name2ax["Stage"]].grid(True)
+    # axes[7].xaxis.set_major_formatter(Params.FORMATTER)
+
+    return fig, axes
+
+
+def create_psg_figure():
+    fig = plt.figure(figsize=(12, 8), dpi=200)
+    gs = GridSpec(9, 1, height_ratios=[1, 1, 1, 1, 1, 1, 1, 1, 1])
+    fig.subplots_adjust(top=0.98, bottom=0.05, right=0.98, left=0.1, hspace=0, wspace=0)
+    axes = []
+    for i in range(9):
+        ax = fig.add_subplot(gs[i])
+        axes.append(ax)
+
     axes[psg_chn_name2ax["SpO2"]].grid(True)
     # axes[0].xaxis.set_major_formatter(Params.FORMATTER)
     axes[psg_chn_name2ax["SpO2"]].set_ylim((85, 100))
@@ -60,24 +121,21 @@ def create_psg_bcg_figure():
     # axes[4].xaxis.set_major_formatter(Params.FORMATTER)
     axes[psg_chn_name2ax["Effort Abd"]].tick_params(axis='x', colors="white")
 
+    axes[psg_chn_name2ax["Effort"]].grid(True)
+    axes[psg_chn_name2ax["Effort"]].tick_params(axis='x', colors="white")
+
     axes[psg_chn_name2ax["HR"]].grid(True)
     axes[psg_chn_name2ax["HR"]].tick_params(axis='x', colors="white")
 
-    axes[psg_chn_name2ax["resp"]].grid(True)
+    axes[psg_chn_name2ax["RRI"]].grid(True)
-    axes[psg_chn_name2ax["resp"]].tick_params(axis='x', colors="white")
+    axes[psg_chn_name2ax["RRI"]].tick_params(axis='x', colors="white")
-    axes.append(axes[psg_chn_name2ax["resp"]].twinx())
 
-    axes[psg_chn_name2ax["bcg"]].grid(True)
-    # axes[5].xaxis.set_major_formatter(Params.FORMATTER)
-    axes[psg_chn_name2ax["bcg"]].tick_params(axis='x', colors="white")
-    axes.append(axes[psg_chn_name2ax["bcg"]].twinx())
 
     axes[psg_chn_name2ax["Stage"]].grid(True)
-    # axes[7].xaxis.set_major_formatter(Params.FORMATTER)
+
 
     return fig, axes
 
-
 def create_resp_figure():
     fig = plt.figure(figsize=(12, 6), dpi=100)
     gs = GridSpec(2, 1, height_ratios=[3, 2])
@@ -150,8 +208,8 @@ def plt_signal_label_on_ax(ax: Axes, signal_data, segment_start, segment_end, ev
 def plt_stage_on_ax(ax, stage_data, segment_start, segment_end):
     stage_signal = stage_data["data"]
     stage_fs = stage_data["fs"]
-    time_axis = np.linspace(segment_start / stage_fs, segment_end / stage_fs, segment_end - segment_start)
+    time_axis = np.linspace(segment_start, segment_end, (segment_end - segment_start) * stage_fs)
-    ax.plot(time_axis, stage_signal[segment_start:segment_end], color='black', label=stage_data["name"])
+    ax.plot(time_axis, stage_signal[segment_start * stage_fs:segment_end * stage_fs], color='black', label=stage_data["name"])
     ax.set_ylim(0, 6)
     ax.set_yticks([1, 2, 3, 4, 5])
     ax.set_yticklabels(["N3", "N2", "N1", "REM", "Awake"])
@@ -162,11 +220,11 @@ def plt_stage_on_ax(ax, stage_data, segment_start, segment_end):
 def plt_spo2_on_ax(ax: Axes, spo2_data, segment_start, segment_end):
     spo2_signal = spo2_data["data"]
     spo2_fs = spo2_data["fs"]
-    time_axis = np.linspace(segment_start / spo2_fs, segment_end / spo2_fs, segment_end - segment_start)
+    time_axis = np.linspace(segment_start, segment_end, (segment_end - segment_start) * spo2_fs)
-    ax.plot(time_axis, spo2_signal[segment_start:segment_end], color='black', label=spo2_data["name"])
+    ax.plot(time_axis, spo2_signal[segment_start * spo2_fs:segment_end * spo2_fs], color='black', label=spo2_data["name"])
 
-    if spo2_signal[segment_start:segment_end].min() < 85:
+    if spo2_signal[segment_start * spo2_fs:segment_end * spo2_fs].min() < 85:
-        ax.set_ylim((spo2_signal[segment_start:segment_end].min() - 5, 100))
+        ax.set_ylim((spo2_signal[segment_start * spo2_fs:segment_end * spo2_fs].min() - 5, 100))
     else:
         ax.set_ylim((85, 100))
     ax.set_ylabel("SpO2 (%)")
@@ -197,6 +255,56 @@ def draw_psg_bcg_label(psg_data, psg_label, bcg_data, event_mask, segment_list,
     # event_mask["SA_Score_Alpha"] = utils.none_to_nan_mask(event_mask["SA_Score_Alpha"], 0)
 
     fig, axes = create_psg_bcg_figure()
+    for i, (segment_start, segment_end) in enumerate(segment_list):
+        for ax in axes:
+            ax.cla()
+
+        plt_spo2_on_ax(axes[psg_bcg_chn_name2ax["SpO2"]], psg_data["SpO2"], segment_start, segment_end)
+        plt_stage_on_ax(axes[psg_bcg_chn_name2ax["Stage"]], psg_data["5_class"], segment_start, segment_end)
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["Flow T"]], psg_data["Flow T"], segment_start, segment_end,
+                               psg_label, event_codes=[1, 2, 3, 4])
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["Flow P"]], psg_data["Flow P"], segment_start, segment_end,
+                               psg_label, event_codes=[1, 2, 3, 4])
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["Effort Tho"]], psg_data["Effort Tho"], segment_start, segment_end,
+                               psg_label, event_codes=[1, 2, 3, 4])
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["Effort Abd"]], psg_data["Effort Abd"], segment_start, segment_end,
+                               psg_label, event_codes=[1, 2, 3, 4])
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["HR"]], psg_data["HR"], segment_start, segment_end)
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["resp"]], bcg_data["resp_signal"], segment_start, segment_end,
+                               event_mask, multi_labels="resp", event_codes=[1, 2, 3, 4],
+                               ax2=axes[psg_bcg_chn_name2ax["resp_twinx"]])
+        plt_signal_label_on_ax(axes[psg_bcg_chn_name2ax["bcg"]], bcg_data["bcg_signal"], segment_start, segment_end,
+                               event_mask, multi_labels="bcg", event_codes=[1, 2, 3, 4],
+                               ax2=axes[psg_bcg_chn_name2ax["bcg_twinx"]])
+
+
+        if save_path is not None:
+            fig.savefig(save_path / f"Segment_{segment_start}_{segment_end}.png")
+            # print(f"Saved figure to: {save_path / f'Segment_{segment_start}_{segment_end}.png'}")
+
+        if multi_p is not None:
+            multi_p[multi_task_id] = {"progress": i + 1, "total": len(segment_list), "desc": f"task_id:{multi_task_id} drawing {save_path.name}"}
+
+    plt.close(fig)
+    plt.close('all')
+    gc.collect()
+
+
+def draw_psg_label(psg_data, psg_label, segment_list, save_path=None, verbose=True,
+                       multi_p=None, multi_task_id=None):
+    if save_path is not None:
+        save_path.mkdir(parents=True, exist_ok=True)
+
+
+    if multi_p is  None:
+        # 遍历psg_data中所有数据的长度
+        for i in range(len(psg_data.keys())):
+            chn_name = list(psg_data.keys())[i]
+            print(f"{chn_name} data length: {len(psg_data[chn_name]['data'])}, fs: {psg_data[chn_name]['fs']}")
+        # psg_label的长度
+        print(f"psg_label length: {len(psg_label)}")
+
+    fig, axes = create_psg_figure()
     for i, (segment_start, segment_end) in enumerate(segment_list):
         for ax in axes:
             ax.cla()
@@ -211,14 +319,10 @@ def draw_psg_bcg_label(psg_data, psg_label, bcg_data, event_mask, segment_list,
                                psg_label, event_codes=[1, 2, 3, 4])
         plt_signal_label_on_ax(axes[psg_chn_name2ax["Effort Abd"]], psg_data["Effort Abd"], segment_start, segment_end,
                                psg_label, event_codes=[1, 2, 3, 4])
+        plt_signal_label_on_ax(axes[psg_chn_name2ax["Effort"]], psg_data["Effort"], segment_start, segment_end,
+                               psg_label, event_codes=[1, 2, 3, 4])
         plt_signal_label_on_ax(axes[psg_chn_name2ax["HR"]], psg_data["HR"], segment_start, segment_end)
-        plt_signal_label_on_ax(axes[psg_chn_name2ax["resp"]], bcg_data["resp_signal"], segment_start, segment_end,
+        plt_signal_label_on_ax(axes[psg_chn_name2ax["RRI"]], psg_data["RRI"], segment_start, segment_end)
-                               event_mask, multi_labels="resp", event_codes=[1, 2, 3, 4],
-                               ax2=axes[psg_chn_name2ax["resp_twinx"]])
-        plt_signal_label_on_ax(axes[psg_chn_name2ax["bcg"]], bcg_data["bcg_signal"], segment_start, segment_end,
-                               event_mask, multi_labels="bcg", event_codes=[1, 2, 3, 4],
-                               ax2=axes[psg_chn_name2ax["bcg_twinx"]])
-
 
         if save_path is not None:
             fig.savefig(save_path / f"Segment_{segment_start}_{segment_end}.png")
@@ -226,23 +330,8 @@ def draw_psg_bcg_label(psg_data, psg_label, bcg_data, event_mask, segment_list,
 
         if multi_p is not None:
             multi_p[multi_task_id] = {"progress": i + 1, "total": len(segment_list), "desc": f"task_id:{multi_task_id} drawing {save_path.name}"}
+    plt.close(fig)
+    plt.close('all')
+    gc.collect()
 
 
-def draw_resp_label(resp_data, resp_label, segment_list):
-    for mask in resp_label.keys():
-        if mask.startswith("Resp_"):
-            resp_label[mask] = utils.none_to_nan_mask(resp_label[mask], 0)
-
-    # resp_label["Resp_Score_Alpha"] = score_mask2alpha(resp_label["Resp_Score"])
-    # resp_label["Resp_Label_Alpha"] = utils.none_to_nan_mask(resp_label["Resp_Label_Alpha"], 0)
-
-    fig, axes = create_resp_figure()
-    for segment_start, segment_end in segment_list:
-        for ax in axes:
-            ax.cla()
-
-        plt_signal_label_on_ax(axes[resp_chn_name2ax["resp"]], resp_data["resp_signal"], segment_start, segment_end,
-                               resp_label, multi_labels="resp", event_codes=[1, 2, 3, 4])
-        plt_signal_label_on_ax(axes[resp_chn_name2ax["bcg"]], resp_data["bcg_signal"], segment_start, segment_end,
-                               resp_label, multi_labels="bcg", event_codes=[1, 2, 3, 4])
-        plt.show()

draw_tools/draw_statics.py

@@ -247,6 +247,8 @@ def draw_signal_with_mask(samp_id, signal_data, resp_data, bcg_data, signal_fs,
     ax1_twin.legend(['Low Amplitude Mask', 'Movement Mask', 'Amplitude Change Mask', 'SA Mask'], loc='upper right')
     ax1.set_title(f'Sample {samp_id} - Respiration Component')
 
+
+
     ax2 = fig.add_subplot(3, 1, 3, sharex=ax0)
     ax2.plot(np.linspace(0, len(bcg_data) // bcg_fs, len(bcg_data)), bcg_data, color='green')
     ax2.set_ylabel('Amplitude')
@@ -300,5 +302,70 @@ def draw_signal_with_mask(samp_id, signal_data, resp_data, bcg_data, signal_fs,
         plt.show()
 
 
+def draw_psg_signal(samp_id, tho_signal, abd_signal, flowp_signal, flowt_signal, spo2_signal, effort_signal, rri_signal, event_mask, fs,
+                    show=False, save_path=None):
+    sa_mask = event_mask.repeat(fs)
+    fig, axs = plt.subplots(7, 1, figsize=(18, 12), sharex=True)
+    time_axis = np.linspace(0, len(tho_signal) / fs, len(tho_signal))
+    axs[0].plot(time_axis, tho_signal, label='THO', color='black')
+    axs[0].set_title(f'Sample {samp_id} - PSG Signal Data')
+    axs[0].set_ylabel('THO Amplitude')
+    axs[0].legend(loc='upper right')
+
+    ax0_twin = axs[0].twinx()
+    ax0_twin.plot(time_axis, sa_mask, color='purple', alpha=0.5, label='SA Mask')
+    ax0_twin.autoscale(enable=False, axis='y', tight=True)
+    ax0_twin.set_ylim((-4, 5))
+
+    axs[1].plot(time_axis, abd_signal, label='ABD', color='black')
+    axs[1].set_ylabel('ABD Amplitude')
+    axs[1].legend(loc='upper right')
+
+    ax1_twin = axs[1].twinx()
+    ax1_twin.plot(time_axis, sa_mask, color='purple', alpha=0.5, label='SA Mask')
+    ax1_twin.autoscale(enable=False, axis='y', tight=True)
+    ax1_twin.set_ylim((-4, 5))
+
+    axs[2].plot(time_axis, effort_signal, label='EFFO', color='black')
+    axs[2].set_ylabel('EFFO Amplitude')
+    axs[2].legend(loc='upper right')
+
+    ax2_twin = axs[2].twinx()
+    ax2_twin.plot(time_axis, sa_mask, color='purple', alpha=0.5, label='SA Mask')
+    ax2_twin.autoscale(enable=False, axis='y', tight=True)
+    ax2_twin.set_ylim((-4, 5))
+
+    axs[3].plot(time_axis, flowp_signal, label='FLOWP', color='black')
+    axs[3].set_ylabel('FLOWP Amplitude')
+    axs[3].legend(loc='upper right')
+
+    ax3_twin = axs[3].twinx()
+    ax3_twin.plot(time_axis, sa_mask, color='purple', alpha=0.5, label='SA Mask')
+    ax3_twin.autoscale(enable=False, axis='y', tight=True)
+    ax3_twin.set_ylim((-4, 5))
+
+    axs[4].plot(time_axis, flowt_signal, label='FLOWT', color='black')
+    axs[4].set_ylabel('FLOWT Amplitude')
+    axs[4].legend(loc='upper right')
+
+    ax4_twin = axs[4].twinx()
+    ax4_twin.plot(time_axis, sa_mask, color='purple', alpha=0.5, label='SA Mask')
+    ax4_twin.autoscale(enable=False, axis='y', tight=True)
+    ax4_twin.set_ylim((-4, 5))
+
+    axs[5].plot(time_axis, rri_signal, label='RRI', color='black')
+    axs[5].set_ylabel('RRI Amplitude')
+    axs[5].legend(loc='upper right')
 
 
+    axs[6].plot(time_axis, spo2_signal, label='SPO2', color='black')
+    axs[6].set_ylabel('SPO2 Amplitude')
+    axs[6].set_xlabel('Time (s)')
+    axs[6].legend(loc='upper right')
+
+
+    if save_path is not None:
+        plt.savefig(save_path, dpi=300)
+    if show:
+        plt.show()
+

event_mask_process/HYS_PSG_process.py

@@ -0,0 +1,183 @@
+"""
+本脚本完成对呼研所数据的处理，包含以下功能：
+1. 数据读取与预处理
+    从传入路径中，进行数据和标签的读取，并进行初步的预处理
+    预处理包括为数据进行滤波、去噪等操作
+2. 数据清洗与异常值处理
+3. 输出清晰后的统计信息
+4. 数据保存
+    将处理后的数据保存到指定路径，便于后续使用
+    主要是保存切分后的数据位置和标签
+5. 可视化
+    提供数据处理前后的可视化对比，帮助理解数据变化
+    绘制多条可用性趋势图，展示数据的可用区间、体动区间、低幅值区间等
+
+
+
+# 低幅值区间规则标定与剔除
+# 高幅值连续体动规则标定与剔除
+# 手动标定不可用区间提剔除
+"""
+import sys
+from pathlib import Path
+
+sys.path.append(str(Path(__file__).resolve().parent.parent))
+project_root_path = Path(__file__).resolve().parent.parent
+
+import shutil
+import draw_tools
+import utils
+import numpy as np
+import signal_method
+import os
+
+
+os.environ['DISPLAY'] = "localhost:10.0"
+
+
+def process_one_signal(samp_id, show=False):
+    pass
+
+    tho_signal_path = list((org_signal_root_path / f"{samp_id}").glob("Effort Tho_Sync_*.txt"))
+    abd_signal_path = list((org_signal_root_path / f"{samp_id}").glob("Effort Abd_Sync_*.txt"))
+    flowp_signal_path = list((org_signal_root_path / f"{samp_id}").glob("Flow P_Sync_*.txt"))
+    flowt_signal_path = list((org_signal_root_path / f"{samp_id}").glob("Flow T_Sync_*.txt"))
+    spo2_signal_path = list((org_signal_root_path / f"{samp_id}").glob("SpO2_Sync_*.txt"))
+    stage_signal_path = list((org_signal_root_path / f"{samp_id}").glob("5_class_Sync_*.txt"))
+
+    if not tho_signal_path:
+        raise FileNotFoundError(f"Effort Tho_Sync file not found for sample ID: {samp_id}")
+    tho_signal_path = tho_signal_path[0]
+    print(f"Processing Effort Tho_Sync signal file: {tho_signal_path}")
+    if not abd_signal_path:
+        raise FileNotFoundError(f"Effort Abd_Sync file not found for sample ID: {samp_id}")
+    abd_signal_path = abd_signal_path[0]
+    print(f"Processing Effort Abd_Sync signal file: {abd_signal_path}")
+    if not flowp_signal_path:
+        raise FileNotFoundError(f"Flow P_Sync file not found for sample ID: {samp_id}")
+    flowp_signal_path = flowp_signal_path[0]
+    print(f"Processing Flow P_Sync signal file: {flowp_signal_path}")
+    if not flowt_signal_path:
+        raise FileNotFoundError(f"Flow T_Sync file not found for sample ID: {samp_id}")
+    flowt_signal_path = flowt_signal_path[0]
+    print(f"Processing Flow T_Sync signal file: {flowt_signal_path}")
+    if not spo2_signal_path:
+        raise FileNotFoundError(f"SpO2_Sync file not found for sample ID: {samp_id}")
+    spo2_signal_path = spo2_signal_path[0]
+    print(f"Processing SpO2_Sync signal file: {spo2_signal_path}")
+    if not stage_signal_path:
+        raise FileNotFoundError(f"5_class_Sync file not found for sample ID: {samp_id}")
+    stage_signal_path = stage_signal_path[0]
+    print(f"Processing 5_class_Sync signal file: {stage_signal_path}")
+
+
+
+    label_path = (label_root_path / f"{samp_id}").glob("SA Label_Sync.csv")
+    if not label_path:
+        raise FileNotFoundError(f"Label_corrected file not found for sample ID: {samp_id}")
+    label_path = list(label_path)[0]
+    print(f"Processing Label_corrected file: {label_path}")
+    #
+    # # 保存处理后的数据和标签
+    save_samp_path = save_path / f"{samp_id}"
+    save_samp_path.mkdir(parents=True, exist_ok=True)
+
+    # # # 读取信号数据
+    tho_data_raw, tho_length, tho_fs, tho_second = utils.read_signal_txt(tho_signal_path, dtype=float, verbose=True)
+    # abd_data_raw, abd_length, abd_fs, abd_second = utils.read_signal_txt(abd_signal_path, dtype=float, verbose=True)
+    # flowp_data_raw, flowp_length, flowp_fs, flowp_second = utils.read_signal_txt(flowp_signal_path, dtype=float, verbose=True)
+    # flowt_data_raw, flowt_length, flowt_fs, flowt_second = utils.read_signal_txt(flowt_signal_path, dtype=float, verbose=True)
+    # spo2_data_raw, spo2_length, spo2_fs, spo2_second = utils.read_signal_txt(spo2_signal_path, dtype=float, verbose=True)
+    stage_data_raw, stage_length, stage_fs, stage_second = utils.read_signal_txt(stage_signal_path, dtype=str, verbose=True)
+
+
+    #
+    # # 预处理与滤波
+    # tho_data, tho_data_filt, tho_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=tho_data_raw, effort_fs=tho_fs)
+    # abd_data, abd_data_filt, abd_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=abd_data_raw, effort_fs=abd_fs)
+    # flowp_data, flowp_data_filt, flowp_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=flowp_data_raw, effort_fs=flowp_fs)
+    # flowt_data, flowt_data_filt, flowt_fs = signal_method.psg_effort_filter(conf=conf, effort_data_raw=flowt_data_raw, effort_fs=flowt_fs)
+
+    # 降采样
+    # old_tho_fs = tho_fs
+    # tho_fs = conf["effort"]["downsample_fs"]
+    # tho_data_filt = utils.downsample_signal_fast(original_signal=tho_data_filt, original_fs=old_tho_fs, target_fs=tho_fs)
+    # old_abd_fs = abd_fs
+    # abd_fs = conf["effort"]["downsample_fs"]
+    # abd_data_filt = utils.downsample_signal_fast(original_signal=abd_data_filt, original_fs=old_abd_fs, target_fs=abd_fs)
+    # old_flowp_fs = flowp_fs
+    # flowp_fs = conf["effort"]["downsample_fs"]
+    # flowp_data_filt = utils.downsample_signal_fast(original_signal=flowp_data_filt, original_fs=old_flowp_fs, target_fs=flowp_fs)
+    # old_flowt_fs = flowt_fs
+    # flowt_fs = conf["effort"]["downsample_fs"]
+    # flowt_data_filt = utils.downsample_signal_fast(original_signal=flowt_data_filt, original_fs=old_flowt_fs, target_fs=flowt_fs)
+
+    # spo2不降采样
+    # spo2_data_filt = spo2_data_raw
+    # spo2_fs = spo2_fs
+
+    label_data = utils.read_raw_psg_label(path=label_path)
+    event_mask, score_mask = utils.generate_event_mask(signal_second=tho_second, event_df=label_data, use_correct=False, with_score=False)
+    # event_mask > 0 的部分为1，其他为0
+    score_mask = np.where(event_mask > 0, 1, 0)
+
+    # 根据睡眠分期生成不可用区间
+    wake_mask = utils.get_wake_mask(stage_data_raw)
+    # 剔除短于60秒的觉醒区间
+    wake_mask = utils.remove_short_durations(wake_mask, time_points=np.arange(len(wake_mask) * stage_fs), min_duration_sec=60)
+    # 合并短于120秒的觉醒区间
+    wake_mask = utils.merge_short_gaps(wake_mask, time_points=np.arange(len(wake_mask) * stage_fs), max_gap_sec=60)
+
+    disable_label = wake_mask
+
+    disable_label = disable_label[:tho_second]
+
+
+    # 复制事件文件 到保存路径
+    sa_label_save_name = f"{samp_id}_" + label_path.name
+    shutil.copyfile(label_path, save_samp_path / sa_label_save_name)
+    #
+    # 新建一个dataframe，分别是秒数、SA标签，
+    save_dict = {
+        "Second": np.arange(tho_second),
+        "SA_Label": event_mask,
+        "SA_Score": score_mask,
+        "Disable_Label": disable_label,
+        "Resp_LowAmp_Label": np.zeros_like(event_mask),
+        "Resp_Movement_Label": np.zeros_like(event_mask),
+        "Resp_AmpChange_Label": np.zeros_like(event_mask),
+        "BCG_LowAmp_Label": np.zeros_like(event_mask),
+        "BCG_Movement_Label": np.zeros_like(event_mask),
+        "BCG_AmpChange_Label": np.zeros_like(event_mask)
+    }
+
+    mask_label_save_name = f"{samp_id}_Processed_Labels.csv"
+    utils.save_process_label(save_path=save_samp_path / mask_label_save_name, save_dict=save_dict)
+
+
+if __name__ == '__main__':
+    yaml_path =  project_root_path / "dataset_config/HYS_PSG_config.yaml"
+    # disable_df_path = project_root_path / "排除区间.xlsx"
+    #
+    conf = utils.load_dataset_conf(yaml_path)
+
+    root_path = Path(conf["root_path"])
+    save_path = Path(conf["mask_save_path"])
+    select_ids = conf["select_ids"]
+    #
+    print(f"select_ids: {select_ids}")
+    print(f"root_path: {root_path}")
+    print(f"save_path: {save_path}")
+    #
+    org_signal_root_path = root_path / "PSG_Aligned"
+    label_root_path = root_path / "PSG_Aligned"
+    #
+    # all_samp_disable_df = utils.read_disable_excel(disable_df_path)
+    #
+    # process_one_signal(select_ids[0], show=True)
+    # #
+    for samp_id in select_ids:
+        print(f"Processing sample ID: {samp_id}")
+        process_one_signal(samp_id, show=False)
+        print(f"Finished processing sample ID: {samp_id}\n\n")
+    pass

signal_method/__init__.py

@@ -2,5 +2,5 @@ from .rule_base_event import detect_low_amplitude_signal, detect_movement
 from .rule_base_event import position_based_sleep_recognition_v2, position_based_sleep_recognition_v3
 from .rule_base_event import movement_revise
 from .time_metrics import calc_mav_by_slide_windows
-from .signal_process import signal_filter_split, rpeak2hr
+from .signal_process import signal_filter_split, rpeak2hr, psg_effort_filter, rpeak2rri_interpolation
-from .normalize_method import normalize_resp_signal
+from .normalize_method import normalize_resp_signal_by_segment

signal_method/normalize_method.py

@@ -3,7 +3,7 @@ import pandas as pd
 import numpy as np
 from scipy import signal
 
-def normalize_resp_signal(resp_signal: np.ndarray, resp_fs, movement_mask, enable_list):
+def normalize_resp_signal_by_segment(resp_signal: np.ndarray, resp_fs, movement_mask, enable_list):
     # 根据呼吸信号的幅值改变区间，对每段进行Z-Score标准化
     normalized_resp_signal = np.zeros_like(resp_signal)
     # 全部填成nan
@@ -33,4 +33,20 @@ def normalize_resp_signal(resp_signal: np.ndarray, resp_fs, movement_mask, enabl
         raw_segment = resp_signal[enable_start:enable_end]
         normalized_resp_signal[enable_start:enable_end] = (raw_segment - segment_mean) / segment_std
 
+
+    #如果enable区间不从0开始，则将前面的部分也进行标准化
+    if enable_list[0][0] > 0:
+        new_enable_start = 0
+        enable_start = enable_list[0][0] * resp_fs
+        enable_end = enable_list[0][1] * resp_fs
+        segment = resp_signal_no_movement[enable_start:enable_end]
+
+        segment_mean = np.nanmean(segment)
+        segment_std = np.nanstd(segment)
+        if segment_std == 0:
+            raise ValueError(f"segment_std is zero! segment_start: {enable_start}, segment_end: {enable_end}")
+
+        raw_segment = resp_signal[new_enable_start:enable_start]
+        normalized_resp_signal[new_enable_start:enable_start] = (raw_segment - segment_mean) / segment_std
+
     return normalized_resp_signal

signal_method/signal_process.py

@@ -1,4 +1,5 @@
 import numpy as np
+from scipy.interpolate import interp1d
 
 import utils
 
@@ -44,14 +45,24 @@ def signal_filter_split(conf, signal_data_raw, signal_fs, verbose=True):
     return signal_data, resp_data_2, resp_fs, bcg_data, signal_fs
 
 
+def psg_effort_filter(conf, effort_data_raw, effort_fs):
+    # 滤波
+    effort_data_1 = utils.bessel(data=effort_data_raw, _type=conf["effort_filter"]["filter_type"],
+                                 low_cut=conf["effort_filter"]["low_cut"],
+                                 high_cut=conf["effort_filter"]["high_cut"], order=conf["effort_filter"]["order"],
+                                 sample_rate=effort_fs)
+    # 移动平均
+    effort_data_2 = utils.average_filter(raw_data=effort_data_1, sample_rate=effort_fs, window_size_sec=20)
+    return effort_data_raw, effort_data_2, effort_fs
 
-def rpeak2hr(rpeak_indices, signal_length):
+
+def rpeak2hr(rpeak_indices, signal_length, ecg_fs):
     hr_signal = np.zeros(signal_length)
     for i in range(1, len(rpeak_indices)):
         rri = rpeak_indices[i] - rpeak_indices[i - 1]
         if rri == 0:
             continue
-        hr = 60 * 1000 / rri  # 心率，单位：bpm
+        hr = 60 * ecg_fs / rri  # 心率，单位：bpm
         if hr > 120:
             hr = 120
         elif hr < 30:
@@ -62,3 +73,35 @@ def rpeak2hr(rpeak_indices, signal_length):
         hr_signal[rpeak_indices[-1]:] = hr_signal[rpeak_indices[-2]]
     return hr_signal
 
+def rpeak2rri_repeat(rpeak_indices, signal_length, ecg_fs):
+    rri_signal = np.zeros(signal_length)
+    for i in range(1, len(rpeak_indices)):
+        rri = rpeak_indices[i] - rpeak_indices[i - 1]
+        rri_signal[rpeak_indices[i - 1]:rpeak_indices[i]] = rri
+    # 填充最后一个R峰之后的RRI值
+    if len(rpeak_indices) > 1:
+        rri_signal[rpeak_indices[-1]:] = rri_signal[rpeak_indices[-2]]
+
+    # 遍历异常值
+    for i in range(1, len(rpeak_indices)):
+        rri = rpeak_indices[i] - rpeak_indices[i - 1]
+        if rri < 0.3 * ecg_fs or rri > 2 * ecg_fs:
+            rri_signal[rpeak_indices[i - 1]:rpeak_indices[i]] = 0
+
+    return rri_signal
+
+def rpeak2rri_interpolation(rpeak_indices, ecg_fs, rri_fs):
+    r_peak_time = np.asarray(rpeak_indices) / ecg_fs
+    rri = np.diff(r_peak_time)
+    t_rri = r_peak_time[1:]
+
+    mask = (rri > 0.3) & (rri < 2.0)
+    rri_clean = rri[mask]
+    t_rri_clean = t_rri[mask]
+
+    t_uniform = np.arange(t_rri_clean[0], t_rri_clean[-1], 1/rri_fs)
+    f = interp1d(t_rri_clean, rri_clean, kind='linear', fill_value="extrapolate")
+    rri_uniform = f(t_uniform)
+
+    return rri_uniform, rri_fs
+

utils/HYS_FileReader.py

@@ -178,6 +178,55 @@ def read_label_csv(path: Union[str, Path], verbose=True) -> pd.DataFrame:
     return df
 
 
+def read_raw_psg_label(path: Union[str, Path], verbose=True) -> pd.DataFrame:
+    """
+    Read a CSV file and return it as a pandas DataFrame.
+
+    Args:
+        path (str | Path): Path to the CSV file.
+        verbose (bool):
+    Returns:
+        pd.DataFrame: The content of the CSV file as a pandas DataFrame.
+        :param path:
+        :param verbose:
+    """
+    path = Path(path)
+    if not path.exists():
+        raise FileNotFoundError(f"File not found: {path}")
+
+    # 直接用pandas读取 包含中文 故指定编码
+    df = pd.read_csv(path, encoding="gbk")
+    if verbose:
+        print(f"Label file read from {path}, number of rows: {len(df)}")
+
+    num_psg_events = np.sum(df["Event type"].notna())
+    # 统计事件
+    num_psg_hyp = np.sum(df["Event type"] == "Hypopnea")
+    num_psg_csa = np.sum(df["Event type"] == "Central apnea")
+    num_psg_osa = np.sum(df["Event type"] == "Obstructive apnea")
+    num_psg_msa = np.sum(df["Event type"] == "Mixed apnea")
+
+
+
+    if verbose:
+        print("Event Statistics:")
+        # 格式化输出 总计/来自PSG/手动/删除/未标注 指定宽度
+        print(f"Type {'Total':^8s}")
+        print(
+            f"Hyp:   {num_psg_hyp:^8d} ")
+        print(
+            f"CSA:   {num_psg_csa:^8d} ")
+        print(
+            f"OSA:   {num_psg_osa:^8d} ")
+        print(
+            f"MSA:   {num_psg_msa:^8d} ")
+        print(
+            f"All:   {num_psg_events:^8d}")
+
+    df["Start"] = df["Start"].astype(int)
+    df["End"] = df["End"].astype(int)
+    return df
+
 def read_disable_excel(path: Union[str, Path]) -> pd.DataFrame:
     """
     Read an Excel file and return it as a pandas DataFrame.
@@ -225,6 +274,15 @@ def read_mask_execl(path: Union[str, Path]):
     return event_mask, event_list
 
 
+def read_psg_mask_excel(path: Union[str, Path]):
+
+    df = pd.read_csv(path)
+    event_mask = df.to_dict(orient="list")
+    for key in event_mask:
+        event_mask[key] = np.array(event_mask[key])
+
+    return event_mask
+
 
 def read_psg_channel(path_str: Union[str, Path], channel_number: list[int], verbose=True):
     """

utils/__init__.py

@@ -1,10 +1,12 @@
-from .HYS_FileReader import read_label_csv, read_signal_txt, read_disable_excel, read_psg_label
+from .HYS_FileReader import read_label_csv, read_signal_txt, read_disable_excel, read_psg_label, read_raw_psg_label, read_psg_mask_excel
 from .operation_tools import load_dataset_conf, generate_disable_mask, generate_event_mask, event_mask_2_list
 from .operation_tools import merge_short_gaps, remove_short_durations
 from .operation_tools import collect_values
 from .operation_tools import save_process_label
 from .operation_tools import none_to_nan_mask
+from .operation_tools import get_wake_mask
+from .operation_tools import fill_spo2_anomaly
 from .split_method import resp_split
 from .HYS_FileReader import read_mask_execl, read_psg_channel
 from .event_map import E2N, N2Chn, Stage2N, ColorCycle
-from .filter_func import butterworth, average_filter, downsample_signal_fast, notch_filter, bessel
+from .filter_func import butterworth, average_filter, downsample_signal_fast, notch_filter, bessel, adjust_sample_rate

utils/filter_func.py

@@ -20,6 +20,7 @@ def butterworth(data, _type, low_cut=0.0, high_cut=0.0, order=10, sample_rate=10
         raise ValueError("Please choose a type of fliter")
 
 
+@timing_decorator()
 def bessel(data, _type, low_cut=0.0, high_cut=0.0, order=4, sample_rate=1000):
     if _type == "lowpass":  # 低通滤波处理
         b, a = signal.bessel(order, low_cut / (sample_rate * 0.5), btype='lowpass', analog=False, norm='mag')
@@ -89,6 +90,52 @@ def downsample_signal_fast(original_signal, original_fs, target_fs, chunk_size=1
 
     return downsampled_signal
 
+def upsample_signal(original_signal, original_fs, target_fs):
+    """
+    信号升采样
+
+    参数:
+    original_signal : array-like, 原始信号数组
+    original_fs : float, 原始采样率 (Hz)
+    target_fs : float, 目标采样率 (Hz)
+
+    返回:
+    upsampled_signal : array-like, 升采样后的信号
+    """
+    if not isinstance(original_signal, np.ndarray):
+        original_signal = np.array(original_signal)
+    if target_fs <= original_fs:
+        raise ValueError("目标采样率必须大于原始采样率")
+    if target_fs <= 0 or original_fs <= 0:
+        raise ValueError("采样率必须为正数")
+
+    upsample_factor = target_fs / original_fs
+    num_output_samples = int(len(original_signal) * upsample_factor)
+
+    upsampled_signal = signal.resample(original_signal, num_output_samples)
+
+    return upsampled_signal
+
+
+def adjust_sample_rate(signal_data, original_fs, target_fs):
+    """
+    根据信号的原始采样率和目标采样率，自动选择升采样或降采样。
+
+    参数:
+    signal_data : array-like, 原始信号数组
+    original_fs : float, 原始采样率 (Hz)
+    target_fs : float, 目标采样率 (Hz)
+
+    返回:
+    adjusted_signal : array-like, 调整采样率后的信号
+    """
+    if original_fs == target_fs:
+        return signal_data
+    elif original_fs > target_fs:
+        return downsample_signal_fast(signal_data, original_fs, target_fs)
+    else:
+        return upsample_signal(signal_data, original_fs, target_fs)
+
 
 @timing_decorator()
 def average_filter(raw_data, sample_rate, window_size_sec=20):

utils/operation_tools.py

@@ -6,6 +6,7 @@ import pandas as pd
 from matplotlib import pyplot as plt
 import yaml
 from numpy.ma.core import append
+from scipy.interpolate import PchipInterpolator
 
 from utils.event_map import E2N
 plt.rcParams['font.sans-serif'] = ['SimHei']  # 用来正常显示中文标签
@@ -198,9 +199,12 @@ def generate_disable_mask(signal_second: int, disable_df) -> np.ndarray:
     return disable_mask
 
 
-def generate_event_mask(signal_second: int, event_df, use_correct=True):
+def generate_event_mask(signal_second: int, event_df, use_correct=True, with_score=True):
     event_mask = np.zeros(signal_second, dtype=int)
+    if with_score:
         score_mask = np.zeros(signal_second, dtype=int)
+    else:
+        score_mask = None
     if use_correct:
         start_name = "correct_Start"
         end_name = "correct_End"
@@ -217,6 +221,7 @@ def generate_event_mask(signal_second: int, event_df, use_correct=True):
         start = row[start_name]
         end = row[end_name] + 1
         event_mask[start:end] = E2N[row[event_type_name]]
+        if with_score:
             score_mask[start:end] = row["score"]
     return event_mask, score_mask
 
@@ -261,3 +266,115 @@ def none_to_nan_mask(mask, ref):
         # 将mask中的0替换为nan，其他的保持
         mask = np.where(mask == 0, np.nan, mask)
         return mask
+
+def get_wake_mask(sleep_stage_mask):
+    # 将N1, N2, N3, REM视为睡眠 0，其他为清醒 1
+    # 输入是字符 分别有 'W', 'N1', 'N2', 'N3', 'R' 等
+    wake_mask = np.where(np.isin(sleep_stage_mask, ['N1', 'N2', 'N3', 'REM', 'R']), 0, 1)
+    return wake_mask
+
+def detect_spo2_anomaly(spo2, fs, diff_thresh=7):
+    anomaly = np.zeros(len(spo2), dtype=bool)
+
+    # 生理范围
+    anomaly |= (spo2 < 50) | (spo2 > 100)
+
+    # 突变
+    diff = np.abs(np.diff(spo2, prepend=spo2[0]))
+    anomaly |= diff > diff_thresh
+
+    # NaN
+    anomaly |= np.isnan(spo2)
+
+    return anomaly
+
+def merge_close_anomalies(anomaly, fs, min_gap_duration):
+    min_gap = int(min_gap_duration * fs)
+    merged = anomaly.copy()
+
+    i = 0
+    n = len(anomaly)
+
+    while i < n:
+        if not anomaly[i]:
+            i += 1
+            continue
+
+        # 当前异常段
+        start = i
+        while i < n and anomaly[i]:
+            i += 1
+        end = i
+
+        # 向后看 gap
+        j = end
+        while j < n and not anomaly[j]:
+            j += 1
+
+        if j < n and (j - end) < min_gap:
+            merged[end:j] = True
+
+    return merged
+
+def fill_spo2_anomaly(
+    spo2_data,
+    spo2_fs,
+    max_fill_duration,
+    min_gap_duration,
+):
+    spo2 = spo2_data.astype(float).copy()
+    n = len(spo2)
+
+    anomaly = detect_spo2_anomaly(spo2, spo2_fs)
+    anomaly = merge_close_anomalies(anomaly, spo2_fs, min_gap_duration)
+
+    max_len = int(max_fill_duration * spo2_fs)
+
+    valid_mask = ~anomaly
+
+    i = 0
+    while i < n:
+        if not anomaly[i]:
+            i += 1
+            continue
+
+        start = i
+        while i < n and anomaly[i]:
+            i += 1
+        end = i
+
+        seg_len = end - start
+
+        # 超长异常段
+        if seg_len > max_len:
+            spo2[start:end] = np.nan
+            valid_mask[start:end] = False
+            continue
+
+        has_left = start > 0 and valid_mask[start - 1]
+        has_right = end < n and valid_mask[end]
+
+        # 开头异常：单侧填充
+        if not has_left and has_right:
+            spo2[start:end] = spo2[end]
+            continue
+
+        # 结尾异常：单侧填充
+        if has_left and not has_right:
+            spo2[start:end] = spo2[start - 1]
+            continue
+
+        # 两侧都有 → PCHIP
+        if has_left and has_right:
+            x = np.array([start - 1, end])
+            y = np.array([spo2[start - 1], spo2[end]])
+
+            interp = PchipInterpolator(x, y)
+            spo2[start:end] = interp(np.arange(start, end))
+            continue
+
+        # 两侧都没有（极端情况）
+        spo2[start:end] = np.nan
+        valid_mask[start:end] = False
+
+    return spo2, valid_mask

utils/split_method.py

@@ -54,5 +54,3 @@ def resp_split(dataset_config, event_mask, event_list, verbose=False):
 
     return segment_list, disable_segment_list
 
-
-