regionclip-demo / detectron2 /layers /rotated_boxes.py
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# Copyright (c) Facebook, Inc. and its affiliates.
from __future__ import absolute_import, division, print_function, unicode_literals
from detectron2 import _C
def pairwise_iou_rotated(boxes1, boxes2):
"""
Return intersection-over-union (Jaccard index) of boxes.
Both sets of boxes are expected to be in
(x_center, y_center, width, height, angle) format.
Arguments:
boxes1 (Tensor[N, 5])
boxes2 (Tensor[M, 5])
Returns:
iou (Tensor[N, M]): the NxM matrix containing the pairwise
IoU values for every element in boxes1 and boxes2
"""
return _C.box_iou_rotated(boxes1, boxes2)