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# Copyright (c) OpenMMLab. All rights reserved. | |
import numpy as np | |
import pytest | |
import torch | |
class TestBoxIoURotated: | |
def test_box_iou_rotated_cpu(self): | |
from mmcv.ops import box_iou_rotated | |
np_boxes1 = np.asarray( | |
[[1.0, 1.0, 3.0, 4.0, 0.5], [2.0, 2.0, 3.0, 4.0, 0.6], | |
[7.0, 7.0, 8.0, 8.0, 0.4]], | |
dtype=np.float32) | |
np_boxes2 = np.asarray( | |
[[0.0, 2.0, 2.0, 5.0, 0.3], [2.0, 1.0, 3.0, 3.0, 0.5], | |
[5.0, 5.0, 6.0, 7.0, 0.4]], | |
dtype=np.float32) | |
np_expect_ious = np.asarray( | |
[[0.3708, 0.4351, 0.0000], [0.1104, 0.4487, 0.0424], | |
[0.0000, 0.0000, 0.3622]], | |
dtype=np.float32) | |
np_expect_ious_aligned = np.asarray([0.3708, 0.4487, 0.3622], | |
dtype=np.float32) | |
boxes1 = torch.from_numpy(np_boxes1) | |
boxes2 = torch.from_numpy(np_boxes2) | |
# test cw angle definition | |
ious = box_iou_rotated(boxes1, boxes2) | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated(boxes1, boxes2, aligned=True) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
# test ccw angle definition | |
boxes1[..., -1] *= -1 | |
boxes2[..., -1] *= -1 | |
ious = box_iou_rotated(boxes1, boxes2, clockwise=False) | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated(boxes1, boxes2, aligned=True, clockwise=False) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
def test_box_iou_rotated_cuda(self): | |
from mmcv.ops import box_iou_rotated | |
np_boxes1 = np.asarray( | |
[[1.0, 1.0, 3.0, 4.0, 0.5], [2.0, 2.0, 3.0, 4.0, 0.6], | |
[7.0, 7.0, 8.0, 8.0, 0.4]], | |
dtype=np.float32) | |
np_boxes2 = np.asarray( | |
[[0.0, 2.0, 2.0, 5.0, 0.3], [2.0, 1.0, 3.0, 3.0, 0.5], | |
[5.0, 5.0, 6.0, 7.0, 0.4]], | |
dtype=np.float32) | |
np_expect_ious = np.asarray( | |
[[0.3708, 0.4351, 0.0000], [0.1104, 0.4487, 0.0424], | |
[0.0000, 0.0000, 0.3622]], | |
dtype=np.float32) | |
np_expect_ious_aligned = np.asarray([0.3708, 0.4487, 0.3622], | |
dtype=np.float32) | |
boxes1 = torch.from_numpy(np_boxes1).cuda() | |
boxes2 = torch.from_numpy(np_boxes2).cuda() | |
# test cw angle definition | |
ious = box_iou_rotated(boxes1, boxes2) | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated(boxes1, boxes2, aligned=True) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
# test ccw angle definition | |
boxes1[..., -1] *= -1 | |
boxes2[..., -1] *= -1 | |
ious = box_iou_rotated(boxes1, boxes2, clockwise=False) | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated(boxes1, boxes2, aligned=True, clockwise=False) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
def test_box_iou_rotated_iof_cpu(self): | |
from mmcv.ops import box_iou_rotated | |
np_boxes1 = np.asarray( | |
[[1.0, 1.0, 3.0, 4.0, 0.5], [2.0, 2.0, 3.0, 4.0, 0.6], | |
[7.0, 7.0, 8.0, 8.0, 0.4]], | |
dtype=np.float32) | |
np_boxes2 = np.asarray( | |
[[0.0, 2.0, 2.0, 5.0, 0.3], [2.0, 1.0, 3.0, 3.0, 0.5], | |
[5.0, 5.0, 6.0, 7.0, 0.4]], | |
dtype=np.float32) | |
np_expect_ious = np.asarray( | |
[[0.4959, 0.5306, 0.0000], [0.1823, 0.5420, 0.1832], | |
[0.0000, 0.0000, 0.4404]], | |
dtype=np.float32) | |
np_expect_ious_aligned = np.asarray([0.4959, 0.5420, 0.4404], | |
dtype=np.float32) | |
boxes1 = torch.from_numpy(np_boxes1) | |
boxes2 = torch.from_numpy(np_boxes2) | |
# test cw angle definition | |
ious = box_iou_rotated(boxes1, boxes2, mode='iof') | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated(boxes1, boxes2, mode='iof', aligned=True) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
# test ccw angle definition | |
boxes1[..., -1] *= -1 | |
boxes2[..., -1] *= -1 | |
ious = box_iou_rotated(boxes1, boxes2, mode='iof', clockwise=False) | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated( | |
boxes1, boxes2, mode='iof', aligned=True, clockwise=False) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
def test_box_iou_rotated_iof_cuda(self): | |
from mmcv.ops import box_iou_rotated | |
np_boxes1 = np.asarray( | |
[[1.0, 1.0, 3.0, 4.0, 0.5], [2.0, 2.0, 3.0, 4.0, 0.6], | |
[7.0, 7.0, 8.0, 8.0, 0.4]], | |
dtype=np.float32) | |
np_boxes2 = np.asarray( | |
[[0.0, 2.0, 2.0, 5.0, 0.3], [2.0, 1.0, 3.0, 3.0, 0.5], | |
[5.0, 5.0, 6.0, 7.0, 0.4]], | |
dtype=np.float32) | |
np_expect_ious = np.asarray( | |
[[0.4959, 0.5306, 0.0000], [0.1823, 0.5420, 0.1832], | |
[0.0000, 0.0000, 0.4404]], | |
dtype=np.float32) | |
np_expect_ious_aligned = np.asarray([0.4959, 0.5420, 0.4404], | |
dtype=np.float32) | |
boxes1 = torch.from_numpy(np_boxes1).cuda() | |
boxes2 = torch.from_numpy(np_boxes2).cuda() | |
# test cw angle definition | |
ious = box_iou_rotated(boxes1, boxes2, mode='iof') | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated(boxes1, boxes2, mode='iof', aligned=True) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |
# test ccw angle definition | |
boxes1[..., -1] *= -1 | |
boxes2[..., -1] *= -1 | |
ious = box_iou_rotated(boxes1, boxes2, mode='iof', clockwise=False) | |
assert np.allclose(ious.cpu().numpy(), np_expect_ious, atol=1e-4) | |
ious = box_iou_rotated( | |
boxes1, boxes2, mode='iof', aligned=True, clockwise=False) | |
assert np.allclose( | |
ious.cpu().numpy(), np_expect_ious_aligned, atol=1e-4) | |