予備動作の認識による行動予測

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  • Preliminary Action Recognition

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<p>In this paper, we propose preliminary action recognition which is an action anticipation method that can be used in real-time. Preliminary action recognition as a solution to action anticipation, which is the task of detecting the action of a person before the person performs the action. We define preliminary action class before action class that is anticipated by recognizing the preliminary actions specific to the action before it occurs, just as humans do. Conventional action anticipation methods have two problems for real-time use. First, it requires 10 to 20 seconds of video to anticipate 1 second ahead, and it can only anticipate every 10 seconds. Second, the video input in training always switches actions 1 second after the end of the video. This problem setting can be a leakage because there is no action break in real-time operation. Proposed method solves this problem and makes it possible to operate action prediction in real-time. In addition, since action classes and preliminary action classes tend to share a lot of similarities, it is difficult to distinguish between them. We propose a model that can discriminate the subtle differences in motion by increasing the latent distance between adjacent classes in terms of time.</p>

収録刊行物

  • 精密工学会誌

    精密工学会誌 89 (12), 915-920, 2023-12-05

    公益社団法人 精密工学会

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