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Predicting Blendshapes of Virtual Humans for Low-Delay Remote Rendering using LSTM

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PubDate: April 2022

Teams: KDDI Research Inc.

Writers: Haruhisa Kato; Tatsuya Kobayashi; Sei Naito

PDF: Predicting Blendshapes of Virtual Humans for Low-Delay Remote Rendering using LSTM

Abstract

This paper proposes a novel framework to reduce the perceptual delay in rendering the facial expressions of virtual humans. The proposed method reduces the delay by predicting the future blend coefficients that represent facial expressions. The prediction accuracy of the proposed method is improved by 27% on average over a conventional LSTM. We also subjectively confirmed that the proposed method achieves natural facial expressions.

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Paper