Comments (5)
tzzcl
commented on May 31, 2024
Hi, for THUMOS14 dataset, we use the feature provided by CMCS. The video has around 5094 frames. The temporal stride is 4, Then we can get (5094 -16) / 4 ~= 1269 feature points for the video.
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xuan301
commented on May 31, 2024
If the video has 20 frames, when the temperal stride is 4, should we get 2 feature points? They are derived from 0-16 frames and 4-20 frames, respectively. But according to (20-16)/4=1, we can only get 1 feature point.
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tzzcl
commented on May 31, 2024
The CMCS uses pytorch-i3d-feature-extraction to extract the features. Based on the code, I think we can only get 1 feature point.
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xuan301
commented on May 31, 2024
OK, thanks for your help~
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happyharrycn
commented on May 31, 2024
Thanks for resolving this issue, Chenlin. Mark as closed.
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