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Specify build_rpn_targets's return values' shape #1084

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Specify build_rpn_targets's return values' shape #1084

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4 changes: 2 additions & 2 deletions mrcnn/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1451,9 +1451,9 @@ def build_rpn_targets(image_shape, anchors, gt_class_ids, gt_boxes, config):
gt_boxes: [num_gt_boxes, (y1, x1, y2, x2)]

Returns:
rpn_match: [N] (int32) matches between anchors and GT boxes.
rpn_match: [num_anchors] (int32) matches between anchors and GT boxes.
1 = positive anchor, -1 = negative anchor, 0 = neutral
rpn_bbox: [N, (dy, dx, log(dh), log(dw))] Anchor bbox deltas.
rpn_bbox: [num_anchors, (dy, dx, log(dh), log(dw))] Anchor bbox deltas.
"""
# RPN Match: 1 = positive anchor, -1 = negative anchor, 0 = neutral
rpn_match = np.zeros([anchors.shape[0]], dtype=np.int32)
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