Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[Fix]Fix horizontal boxes #9140

Merged
merged 2 commits into from
Nov 2, 2022
Merged

[Fix]Fix horizontal boxes #9140

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b61ad1b
Fix corner2hbox of HorizontalBoxes for supporting empty bboxes.
Czm369 Oct 26, 2022
92657b4
Test empty boxes for HorizontalBoxes
Czm369 Nov 1, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions mmdet/structures/bbox/horizontal_boxes.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,8 @@ def corner2hbox(corners: Tensor) -> Tensor:
Returns:
Tensor: Horizontal box tensor with shape of (..., 4).
"""
if corners.numel() == 0:
return corners.new_zeros((0, 4))
min_xy = corners.min(dim=-2)[0]
max_xy = corners.max(dim=-2)[0]
return torch.cat([min_xy, max_xy], dim=-1)
Expand Down
3 changes: 3 additions & 0 deletions tests/test_structures/test_bbox/test_horizontal_boxes.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,9 @@ def test_project(self):
boxes2.translate_([x_translate, y_translate])
boxes2.rescale_([scale_factor, scale_factor])
assert_allclose(boxes1.tensor, boxes2.tensor)
# test empty boxes
empty_boxes = HorizontalBoxes(torch.zeros((0, 4)))
empty_boxes.project_(matrix)

def test_rescale(self):
scale_factor = [0.4, 0.8]
Expand Down