| commit | d79a31761ee197e226ed47e90557b5e7b567f62a | [log] [tgz] |
|---|---|---|
| author | Zhicheng Yan <zyan3@fb.com> | Mon Feb 12 16:27:25 2018 -0800 |
| committer | Facebook Github Bot <facebook-github-bot@users.noreply.github.com> | Mon Feb 12 16:39:06 2018 -0800 |
| tree | bcc9745e57d238a7d34a8e3876c78fa3e9562dad | |
| parent | 38f2cd16ee2f5e87170db7d0923143563b5672a4 [diff] |
rectangle_cropping_multi_cropping_color_jittering_lighting Summary: Change log - Support rectangle cropping, where height and width of clip cropping can be set separately. This is useful when most video resolution is non-square, such as 240p, 360p and 480p where width is significantly larger than height. - Comparisons of training on ucf101 between using 112x112 croppings and using 112x144 cropping. - https://fburl.com/i0rw6y1k - Support 14 multi-cropping per video clip at testing stage to improve classification accuracy. Take left-top, central-top, right-top, left-bottom, central-bottom, right-bottom and central-central croppings as well as their mirrorings. In total, 14 croppings. - Comparisons on the same model trained on UCF-101. Use 1 clip per video - RGB. f41014306, w/o Vs f41014868, w/ multi-cropping: `0.64099 Vs 0.65796` - OF. f41014889, w/o Vs f41014913, w/ multi-cropping: `0.65796 Vs 0.67624` - Support color jittering and color lighting on RGB data for training data augmentation. - Comparisons of training on ucf101 from scratch with and without color jittering and lighting: - https://fburl.com/k69zatul Reviewed By: HengCV Differential Revision: D6962620 fbshipit-source-id: 9b43478945874142727fea351ee04417218e6606
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