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Lip motion features such as changes in lip width and length can provide important information for authenticating personal identification or recognizing lip motions as commands. Unfortunately, lip motion can be significantly influenced by vocalization. In this paper, we investigate the differences in lip motion directly attributable to vocalization, with specific focus on the transition and variation...
Lip motion features such as changes in lip width and length provide important information for authenticating personal identification or recognizing lip motions as commands. An interface based on lip motion features is practical because it can be operated without touching the device. In this study, we analyze changes in the motion features of lips due to the influence of vocalization We analyze five...
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