ultralytics 8.0.197 save P, R, F1 curves to metrics (#5354)
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com> Co-authored-by: erminkev1 <83356055+erminkev1@users.noreply.github.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Andy <39454881+yermandy@users.noreply.github.com>
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33 changed files with 337 additions and 195 deletions
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@ -42,23 +42,23 @@ def bbox_iou(box1, boxes, iou_thres=0.9, image_shape=(640, 640), raw_output=Fals
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high_iou_indices (torch.Tensor): Indices of boxes with IoU > thres
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"""
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boxes = adjust_bboxes_to_image_border(boxes, image_shape)
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# obtain coordinates for intersections
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# Obtain coordinates for intersections
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x1 = torch.max(box1[0], boxes[:, 0])
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y1 = torch.max(box1[1], boxes[:, 1])
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x2 = torch.min(box1[2], boxes[:, 2])
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y2 = torch.min(box1[3], boxes[:, 3])
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# compute the area of intersection
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# Compute the area of intersection
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intersection = (x2 - x1).clamp(0) * (y2 - y1).clamp(0)
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# compute the area of both individual boxes
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# Compute the area of both individual boxes
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box1_area = (box1[2] - box1[0]) * (box1[3] - box1[1])
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box2_area = (boxes[:, 2] - boxes[:, 0]) * (boxes[:, 3] - boxes[:, 1])
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# compute the area of union
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# Compute the area of union
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union = box1_area + box2_area - intersection
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# compute the IoU
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# Compute the IoU
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iou = intersection / union # Should be shape (n, )
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if raw_output:
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return 0 if iou.numel() == 0 else iou
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