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[CodeCamp #18] add ops bbox_overlaps #2477

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merged 8 commits into from
Jan 30, 2023
Merged

[CodeCamp #18] add ops bbox_overlaps #2477

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b8fa1f0
add ops bbox_overlaps
enemy1205 Dec 7, 2022
6bf402a
format code
enemy1205 Dec 8, 2022
cbe9232
Return the pytorch version
enemy1205 Dec 12, 2022
12c6143
Merge remote-tracking branch 'upstream/master' into add_ops_bbox_over…
enemy1205 Dec 13, 2022
8be70db
Intermediate modification
enemy1205 Jan 11, 2023
7495c9e
Solve problems in parameter passing
enemy1205 Jan 12, 2023
4e87621
revise bug
enemy1205 Jan 12, 2023
83fdb8e
"add test case"
enemy1205 Jan 14, 2023
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24 changes: 7 additions & 17 deletions mmcv/ops/bbox.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,23 +108,13 @@ def bbox_overlaps(bboxes1: torch.Tensor,
cols = bboxes2.size(0)
if aligned:
assert rows == cols
ious = bboxes1.new_zeros(rows)
else:
ious = bboxes1.new_zeros((rows, cols))

if rows * cols == 0:
return bboxes1.new(rows, 1) if aligned else bboxes1.new(rows, cols)

if bboxes1.device.type == 'cpu':
return _bbox_overlaps_cpu(
bboxes1, bboxes2, mode=mode, aligned=aligned, offset=offset)
else:
if aligned:
ious = bboxes1.new_zeros(rows)
else:
ious = bboxes1.new_zeros((rows, cols))
ext_module.bbox_overlaps(
bboxes1,
bboxes2,
ious,
mode=mode_flag,
aligned=aligned,
offset=offset)
return ious

ext_module.bbox_overlaps(
bboxes1, bboxes2, ious, mode=mode_flag, aligned=aligned, offset=offset)
return ious
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