8.1.1.9.2.1. blueoil.utils.box¶
8.1.1.9.2.1.1. Module Contents¶
8.1.1.9.2.1.1.1. Functions¶
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Calculate overlap |
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Crop boxes |
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Format form (center_x, center_y, w, h) to (x, y, w, h) along specific dimension. |
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blueoil.utils.box.iou(boxes, box)¶ Calculate overlap
- Parameters
boxes – boxes in the image. shape is [num_boxes, 4 or more(x, y, w, h, …)]
box – a single box in the image. shape is [4 or more (x, y, w, h, …)]
- Returns
shape is [num_boxes]
- Return type
iou
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blueoil.utils.box.fill_dummy_boxes(gt_boxes, num_max_boxes)¶
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blueoil.utils.box.crop_boxes(boxes, crop_rect)¶ Crop boxes
- Parameters
boxes – ground truth boxes in the image. shape is [num_boxes, 5(x, y, w, h, class)]
crop_rect – a crop rectangle. shape is [4(x, y, w, h)]
- Returns
shape is [num_boxes, 5(x, y, w, h, class)]
- Return type
cropped_boxes
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blueoil.utils.box.format_cxcywh_to_xywh(boxes, axis=1)¶ Format form (center_x, center_y, w, h) to (x, y, w, h) along specific dimension.
Args: boxes: A tensor include boxes. [:, 4(x, y, w, h)] axis: Which dimension of the inputs Tensor is boxes.