mmaction2

open-mmlab•PUBLIC

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OpenMMLab's Next Generation Video Understanding Toolbox and Benchmark

action-recognitionavabenchmarkdeep-learningi3dnon-local

Apache License 2.0

Created on Jul 11, 2020

Updated on Apr 7, 2026

Stars

5.0k

Forks

1.3k

Watchers

5.0k

Open Issues

316

Repository Health Score

💛

83/100

Good

Overall repository health assessment

Score Breakdown

Activity

Active development - updated this week

30/30

100%

Issues Analytics

84

Total Issues

All time

73

Open

87% of total

11

Closed

Recent Commits

Merge pull request #2919 from Dai-Wenxun/main

Yining Li•2 weeks ago

a5a167dView on GitHub

[Chore] Update .mailmap to fix contributor attribution

Dai-Wenxun•3 weeks ago

f0513c1View on GitHub

Merge dev-1.x into main

Yining Li•2 years ago

4d6c934View on GitHub

[Doc] add changelog and modify README and version info (#2711)

Kai Hu•2 years ago

982de66View on GitHub

fix mmcv version (#2709)

Kai Hu•2 years ago

69242abView on GitHub

Update README.md (#2676)

Simon Dahan•2 years ago

c4fc8b4View on GitHub

add anet k700 slowonly feat (#2673)

Kai Hu•2 years ago

82c7d01View on GitHub

[Feature] support DRN (#2668)

Kai Hu•2 years ago

a7f77b7View on GitHub

[Enhance] Support the Training of ActionClip (#2620)

wxDai•2 years ago

17b88a3View on GitHub

[Feature] Support VindLU multi-modality algorithm (#2667)

cir7•2 years ago

baf385eView on GitHub

[Fix] Fix resnet audio ut (#2637)

cir7•2 years ago

dd1901aView on GitHub

[Feature] Support MobileOne TSN/TSM (#2656)

cir7•2 years ago

2ddf4b5View on GitHub

[Feature] Support UMT (#2657)

wxDai•2 years ago

ed1270cView on GitHub

[Fix] Refine ActionDataSample structure (#2658)

wxDai•2 years ago

d18ca93View on GitHub

[Enhancement] Support flexible runner (#2646)

cir7•2 years ago

de82f14View on GitHub

View all commits

openmmlab

posec3d

pytorch

slowfast

spatial-temporal-action-detection

temporal-action-localization

tsm

tsn

uniformerv2

video-classification

video-understanding

x3d

Community

4,972 stars, 1,347 forks

18/30

60%

Documentation

Has description, wiki, license

20/20

100%

Maintenance

6.4% issue ratio

15/20

75%

Health score is calculated based on activity, community engagement, documentation quality, and maintenance practices

Languages

Python

83.7%

Jupyter Notebook

15.0%

Shell

1.3%

Dockerfile

0.1%

Dependencies

No package.json found

This might not be a Node.js project

Top Contributors

1

dreamerlin

User

594

commits

2

kennymckormick

User

298

commits

3

Dai-Wenxun

User

147

commits

4

innerlee

User

143

commits

5

cir7

User

140

commits

6

hukkai

User

82

commits

7

JoannaLXY

User

74

commits

8

congee524

User

47

commits

9

irvingzhang0512

User

46

commits

10

gengenkai

User

38

commits

Languages

Python

83.7%

Jupyter Notebook

15.0%

Shell

1.3%

Dockerfile

0.1%

Issues Analytics

84

Total Issues

All time

73

Open

87% of total

11

Closed

13% of total

4w

Avg Close Time

Avg response

Issues Activity: Last 6 months

Hottest Issues

1

#2783 [Bug] long-video-demo raised AssertionError on assert crop_h == img_h or crop_w == img_w

9

1

open

2

#2850 [Bug] use tools/misc/clip_feature_extraction.py to extract feature from long video, dataloaders do not work

9

closed

3

#2877 [Bug] Pre-Trained MultiSport Spatio-Temporal Model -> KeyError: 'fps'

6

open

4

#2823 Do we now support the method of Skeleton-based Spatio-Temporal Action Detection and Action Recognition

5

open

5

#2796 [Bug] File 'visualize_heatmap_volume' does not exist

4

1

open

Dependencies

No package.json found

This might not be a Node.js project

Top Contributors

1

dreamerlin

User

594

commits

2

kennymckormick

User

298

commits

3

Dai-Wenxun

User

147

commits

4

innerlee

User

143

commits

5

cir7

User

140

commits

6

hukkai

User

82

commits

7

JoannaLXY

User

74

commits

8

congee524

User

47

commits

9

irvingzhang0512

User

46

commits

10

gengenkai

User

38

commits

Recent Commits

Merge pull request #2919 from Dai-Wenxun/main

Yining Li•2 weeks ago

a5a167dView on GitHub

[Chore] Update .mailmap to fix contributor attribution

Dai-Wenxun•3 weeks ago

f0513c1View on GitHub

Merge dev-1.x into main

Yining Li•2 years ago

4d6c934View on GitHub

[Doc] add changelog and modify README and version info (#2711)

Kai Hu•2 years ago

982de66View on GitHub

fix mmcv version (#2709)

Kai Hu•2 years ago

69242abView on GitHub

Update README.md (#2676)

Simon Dahan•2 years ago

c4fc8b4View on GitHub

add anet k700 slowonly feat (#2673)

Kai Hu•2 years ago

82c7d01View on GitHub

[Feature] support DRN (#2668)

Kai Hu•2 years ago

a7f77b7View on GitHub

[Enhance] Support the Training of ActionClip (#2620)

wxDai•2 years ago

17b88a3View on GitHub

[Feature] Support VindLU multi-modality algorithm (#2667)

cir7•2 years ago

baf385eView on GitHub

[Fix] Fix resnet audio ut (#2637)

cir7•2 years ago

dd1901aView on GitHub

[Feature] Support MobileOne TSN/TSM (#2656)

cir7•2 years ago

2ddf4b5View on GitHub

[Feature] Support UMT (#2657)

wxDai•2 years ago

ed1270cView on GitHub

[Fix] Refine ActionDataSample structure (#2658)

wxDai•2 years ago

d18ca93View on GitHub

[Enhancement] Support flexible runner (#2646)

cir7•2 years ago

de82f14View on GitHub

View all commits

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mmaction2

Score Breakdown

Issues Activity: Last 6 months

Hottest Issues