'C:\Users\LIU\Desktop\ultralytics-main\ultralytics-main\ultralytics\cfg\datasets\mymycoco128.yaml' does not exist

根据提供的引用内容，出现了一个错误提示：'C:\Users\LIU\Desktop\ultralytics-main\ultralytics-main\ultralytics\cfg\datasets\mymycoco128.yaml' does not exist。这个错误提示意味着指定的文件路径不存在。

可能的原因是文件路径错误或文件确实不存在。请确保文件路径正确，并检查文件是否存在于指定的位置。

如果文件路径正确且文件确实存在，那么可能是由于权限问题导致无法访问该文件。请确保你有足够的权限来访问该文件。

如果问题仍然存在，请检查文件是否被其他进程或程序占用，导致无法访问。

以下是一个示例代码，用于检查文件是否存在：

import os

file_path = 'C:\Users\LIU\Desktop\ultralytics-main\ultralytics-main\ultralytics\cfg\datasets\mymycoco128.yaml'

if os.path.exists(file_path):
    print("File exists")
else:
    print("File does not exist")

相关问题

(mypytorch) C:\Users\as729>yolo detect train data=C:\Users\as729/ultralytics/ultralytics/datasets/new.yaml model=C:/ultralytics/ultralytics/weights/yolov8s.pt epochs=150 imgsz=640 batch=16 patience=150 project=C:/ultralytics/runs/visdrone name=yolov8s Ultralytics YOLOv8.0.139 Python-3.9.17 torch-2.0.1 CUDA:0 (NVIDIA GeForce RTX 3050 Laptop GPU, 4096MiB) engine\trainer: task=detect, mode=train, model=C:/ultralytics/ultralytics/weights/yolov8s.pt, data=C:\Users\as729/ultralytics/ultralytics/datasets/new.yaml, epochs=150, patience=150, batch=16, imgsz=640, save=True, save_period=-1, cache=False, device=None, workers=8, project=C:/ultralytics/runs/visdrone, name=yolov8s, exist_ok=False, pretrained=True, optimizer=auto, verbose=True, seed=0, deterministic=True, single_cls=False, rect=False, cos_lr=False, close_mosaic=10, resume=False, amp=True, fraction=1.0, profile=False, overlap_mask=True, mask_ratio=4, dropout=0.0, val=True, split=val, save_json=False, save_hybrid=False, conf=None, iou=0.7, max_det=300, half=False, dnn=False, plots=True, source=None, show=False, save_txt=False, save_conf=False, save_crop=False, show_labels=True, show_conf=True, vid_stride=1, line_width=None, visualize=False, augment=False, agnostic_nms=False, classes=None, retina_masks=False, boxes=True, format=torchscript, keras=False, optimize=False, int8=False, dynamic=False, simplify=False, opset=None, workspace=4, nms=False, lr0=0.01, lrf=0.01, momentum=0.937, weight_decay=0.0005, warmup_epochs=3.0, warmup_momentum=0.8, warmup_bias_lr=0.1, box=7.5, cls=0.5, dfl=1.5, pose=12.0, kobj=1.0, label_smoothing=0.0, nbs=64, hsv_h=0.015, hsv_s=0.7, hsv_v=0.4, degrees=0.0, translate=0.1, scale=0.5, shear=0.0, perspective=0.0, flipud=0.0, fliplr=0.5, mosaic=1.0, mixup=0.0, copy_paste=0.0, cfg=None, tracker=botsort.yaml, save_dir=C:\ultralytics\runs\visdrone\yolov8s4 Traceback (most recent call last): File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\engine\trainer.py", line 123, in __init__ self.data = check_det_dataset(self.args.data) File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\data\utils.py", line 196, in check_det_dataset data = check_file(dataset) File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\utils\checks.py", line 330, in check_file raise FileNotFoundError(f"'{file}' does not exist") FileNotFoundError: 'C:\Users\as729/ultralytics/ultralytics/datasets/new.yaml' does not exist The above exception was the direct cause of the following exception: Traceback (most recent call last): File "C:\Users\as729\.conda\envs\mypytorch\lib\runpy.py", line 197, in _run_module_as_main return _run_code(code, main_globals, None, File "C:\Users\as729\.conda\envs\mypytorch\lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "C:\Users\as729\.conda\envs\mypytorch\Scripts\yolo.exe\__main__.py", line 7, in <module> File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\cfg\__init__.py", line 410, in entrypoint getattr(model, mode)(**overrides) # default args from model File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\engine\model.py", line 367, in train self.trainer = TASK_MAP[self.task][1](overrides=overrides, _callbacks=self.callbacks) File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\engine\trainer.py", line 127, in __init__ raise RuntimeError(emojis(f"Dataset '{clean_url(self.args.data)}' error ❌ {e}")) from e RuntimeError: Dataset 'C:\Users\as729\ultralytics\ultralytics\datasets\new.yaml' error 'C:\Users\as729/ultralytics/ultralytics/datasets/new.yaml' does not exist

根据你提供的错误信息，可以看出文件路径'C:\Users\as729/ultralytics/ultralytics/datasets/new.yaml'是无法找到的。

请注意，路径中的斜杠应该是正斜杠（/），而不是反斜杠（\）。确保在路径中使用正确的斜杠。

此外，你还可以尝试使用原始的绝对路径'C:\Users\as729\ultralytics\ultralytics\datasets\new.yaml'，并确保该文件实际上存在于该位置。

如果问题仍然存在，建议检查文件是否存在，并确保路径正确无误。如果问题仍然无法解决，请提供更多详细信息，例如操作系统、代码示例和完整的错误消息，以便我能够更好地帮助你解决问题。

(mypytorch) C:\Users\as729>yolo detect train data=C:/Users/as729/ultralytics/ultralytics/datasets/new.yaml model=C:/ultralytics/ultralytics/weights/yolov8s.pt epochs=150 imgsz=640 batch=16 patience=150 project=C:/ultralytics/runs/visdrone name=yolov8s Ultralytics YOLOv8.0.139 Python-3.9.17 torch-2.0.1 CUDA:0 (NVIDIA GeForce RTX 3050 Laptop GPU, 4096MiB) engine\trainer: task=detect, mode=train, model=C:/ultralytics/ultralytics/weights/yolov8s.pt, data=C:/Users/as729/ultralytics/ultralytics/datasets/new.yaml, epochs=150, patience=150, batch=16, imgsz=640, save=True, save_period=-1, cache=False, device=None, workers=8, project=C:/ultralytics/runs/visdrone, name=yolov8s, exist_ok=False, pretrained=True, optimizer=auto, verbose=True, seed=0, deterministic=True, single_cls=False, rect=False, cos_lr=False, close_mosaic=10, resume=False, amp=True, fraction=1.0, profile=False, overlap_mask=True, mask_ratio=4, dropout=0.0, val=True, split=val, save_json=False, save_hybrid=False, conf=None, iou=0.7, max_det=300, half=False, dnn=False, plots=True, source=None, show=False, save_txt=False, save_conf=False, save_crop=False, show_labels=True, show_conf=True, vid_stride=1, line_width=None, visualize=False, augment=False, agnostic_nms=False, classes=None, retina_masks=False, boxes=True, format=torchscript, keras=False, optimize=False, int8=False, dynamic=False, simplify=False, opset=None, workspace=4, nms=False, lr0=0.01, lrf=0.01, momentum=0.937, weight_decay=0.0005, warmup_epochs=3.0, warmup_momentum=0.8, warmup_bias_lr=0.1, box=7.5, cls=0.5, dfl=1.5, pose=12.0, kobj=1.0, label_smoothing=0.0, nbs=64, hsv_h=0.015, hsv_s=0.7, hsv_v=0.4, degrees=0.0, translate=0.1, scale=0.5, shear=0.0, perspective=0.0, flipud=0.0, fliplr=0.5, mosaic=1.0, mixup=0.0, copy_paste=0.0, cfg=None, tracker=botsort.yaml, save_dir=C:\ultralytics\runs\visdrone\yolov8s5 Traceback (most recent call last): File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\engine\trainer.py", line 123, in __init__ self.data = check_det_dataset(self.args.data) File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\data\utils.py", line 196, in check_det_dataset data = check_file(dataset) File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\utils\checks.py", line 330, in check_file raise FileNotFoundError(f"'{file}' does not exist") FileNotFoundError: 'C:/Users/as729/ultralytics/ultralytics/datasets/new.yaml' does not exist The above exception was the direct cause of the following exception: Traceback (most recent call last): File "C:\Users\as729\.conda\envs\mypytorch\lib\runpy.py", line 197, in _run_module_as_main return _run_code(code, main_globals, None, File "C:\Users\as729\.conda\envs\mypytorch\lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "C:\Users\as729\.conda\envs\mypytorch\Scripts\yolo.exe\__main__.py", line 7, in <module> File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\cfg\__init__.py", line 410, in entrypoint getattr(model, mode)(**overrides) # default args from model File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\engine\model.py", line 367, in train self.trainer = TASK_MAP[self.task][1](overrides=overrides, _callbacks=self.callbacks) File "C:\Users\as729\.conda\envs\mypytorch\lib\site-packages\ultralytics\engine\trainer.py", line 127, in __init__ raise RuntimeError(emojis(f"Dataset '{clean_url(self.args.data)}' error ❌ {e}")) from e RuntimeError: Dataset 'C:\Users\as729\ultralytics\ultralytics\datasets\new.yaml' error 'C:/Users/as729/ultralytics/ultralytics/datasets/new.yaml' does not exist

如果你确定文件的绝对路径是正确的，但仍然找不到文件，有几个可能的原因：

1. 文件确实不存在：再次确认文件是否存在于指定的路径。你可以手动浏览到该路径，并验证文件是否存在。如果文件确实不存在，你需要创建或获取正确的文件。

2. 文件权限问题：确保你有足够的权限来访问该文件。在某些情况下，你可能需要以管理员身份运行程序或更改文件的权限设置。

3. 文件路径格式错误：确保文件路径中的斜杠是正斜杠（/），而不是反斜杠（\）。确保驱动器名和文件名正确拼写。

4. 工作目录问题：如果你使用相对路径，文件的位置相对于当前的工作目录。请确保程序的当前工作目录与你期望的一致。你可以使用`os.getcwd()`函数来获取当前工作目录，并使用`os.chdir()`函数来更改工作目录。

如果上述步骤都没有解决问题，请提供更多详细信息，例如操作系统、代码示例和完整的错误消息，以便我能够更好地帮助你解决问题。