RuntimeErro r: Output 0 of SelectBackward is a view and is being modified inplace.

yuanqiyin commented 3 years ago

🐛 Bug

RuntimeError: Output 0 of SelectBackward is a view and is being modified inplace. This view is the output of a function that returns multiple views. Such functions do not allow the output views to be modified inplace. You should replace the inplace operation by an out-of-place one.

To Reproduce (REQUIRED)

Input:

def non_max_suppression(prediction, conf_thres=0.5, nms_thres=0.5):

    min_wh, max_wh = 2, 10000

    output = [None] * len(prediction)

    for image_i, pred in enumerate(prediction):    # image index , image inference

        class_conf, class_pred = pred[:, 5:].max(1)
        pred[:, 4] *= class_conf

        i = (pred[:, 4] > conf_thres) & (pred[:, 2:4] > min_wh).all(1) & (pred[:, 2:4] < max_wh).all(1) & \
            torch.isfinite(pred).all(1)
        pred = pred[i]

        # If none are remaining => process next image
        if len(pred) == 0:
            continue

        # Select predicted classes
        class_conf = class_conf[i]
        class_pred = class_pred[i].unsqueeze(1).float()

        # Box (center x, center y, width, height) to (x1, y1, x2, y2)
        pred[:, :4] = xywh2xyxy(pred[:, :4])

        # Detections ordered as (x1y1x2y2, obj_conf, class_conf, class_pred)
        pred = torch.cat((pred[:, :5], class_conf.unsqueeze(1), class_pred), 1)

        # Get detections sorted by decreasing confidence scores
        pred = pred[(-pred[:, 4]).argsort()]

Output:

Traceback (most recent call last):
  File "E:/PersonalFile/Code/deep_sort_yolov3_pytorch-master/deep_sort.py", line 186, in <module>
    det.detect(output_file)
  File "E:/PersonalFile/Code/deep_sort_yolov3_pytorch-master/deep_sort.py", line 98, in detect
    bbox_xxyy, cls_conf, cls_ids = self.yolo3.predict(im)
  File "E:\PersonalFile\Code\deep_sort_yolov3_pytorch-master\predict.py", line 54, in predict
    det = non_max_suppression(pred, self.conf_thres, self.nms_thres)[0]
  File "E:\PersonalFile\Code\deep_sort_yolov3_pytorch-master\utils\util.py", line 615, in non_max_suppression
    pred[:, 4] *= class_conf
RuntimeError: Output 0 of SelectBackward is a view and is being modified inplace. This view is the output of a function that returns multiple views. Such functions do not allow the output views to be modified inplace. You should replace the inplace operation by an out-of-place one.

Expected behavior

Used it to detect and Bug happened. Please help me~

Environment

OS: [windows10]
GPU [3070]

github-actions[bot] commented 3 years ago

👋 Hello @yuanqiyin, thank you for your interest in YOLOv3 🚀! Please visit our ⭐️ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution.

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glenn-jocher commented 3 years ago

@yuanqiyin

Branch Notice

The ultralytics/yolov3 repository is now divided into two branches:

Master branch: Forward-compatible with all YOLOv5 models and methods (recommended ✅).
```
$ git clone https://github.com/ultralytics/yolov3  # master branch (default)
```
Archive branch: Backwards-compatible with original darknet *.cfg models (no longer maintained ⚠️).
```
$ git clone https://github.com/ultralytics/yolov3 -b archive  # archive branch
```

github-actions[bot] commented 3 years ago

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