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# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
def adjust_bboxes_to_image_border(boxes, image_shape, threshold=20):
"""
Adjust bounding boxes to stick to image border if they are within a certain threshold.
Args:
boxes (torch.Tensor): (n, 4)
image_shape (tuple): (height, width)
threshold (int): pixel threshold
Returns:
adjusted_boxes (torch.Tensor): adjusted bounding boxes
"""
# Image dimensions
h, w = image_shape
# Adjust boxes
boxes[boxes[:, 0] < threshold, 0] = 0 # x1
boxes[boxes[:, 1] < threshold, 1] = 0 # y1
boxes[boxes[:, 2] > w - threshold, 2] = w # x2
boxes[boxes[:, 3] > h - threshold, 3] = h # y2
return boxes
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