25 lines
884 B
Python
25 lines
884 B
Python
# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
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def adjust_bboxes_to_image_border(boxes, image_shape, threshold=20):
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"""
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Adjust bounding boxes to stick to image border if they are within a certain threshold.
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Args:
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boxes (torch.Tensor): Bounding boxes with shape (N, 4) in xyxy format.
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image_shape (tuple): Image dimensions as (height, width).
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threshold (int): Pixel threshold for considering a box close to the border.
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Returns:
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(torch.Tensor): Adjusted bounding boxes with shape (N, 4).
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"""
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# Image dimensions
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h, w = image_shape
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# Adjust boxes that are close to image borders
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boxes[boxes[:, 0] < threshold, 0] = 0 # x1
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boxes[boxes[:, 1] < threshold, 1] = 0 # y1
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boxes[boxes[:, 2] > w - threshold, 2] = w # x2
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boxes[boxes[:, 3] > h - threshold, 3] = h # y2
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return boxes
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