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ActionFlowNet: Learning Motion Representation for Action Recognition #151

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yiskw713 opened this issue May 25, 2020 · 0 comments
Open

ActionFlowNet: Learning Motion Representation for Action Recognition #151

yiskw713 opened this issue May 25, 2020 · 0 comments
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action recognition optical flow

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@yiskw713
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INFO

author

Joe Yue-Hei Ng et al.

affiliation

conference or year

WACV 2018

link

arXiv

概要

Screen Shot 2020-05-25 at 12 28 27

Optical Flowの生成と行動認識を同時に行うモデルである ActionFlowNetを提案．
上図と下図の二つのモデルを提案しているが，上図の方が性能が良い．

Screen Shot 2020-05-25 at 12 28 56

提案手法

検証

精度的にはI3Dや，ImageNet-pretrained ResNetの方が高い．
Screen Shot 2020-05-25 at 12 29 47

一方でCAMを比較すると，提案手法の方がより動きの特徴に着目していることがわかる．
Screen Shot 2020-05-25 at 12 29 15

date

  • May 25th, 2020
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@yiskw713