Punarjay Chakravarty, S. Mirzaei, T. Tuytelaars, H. V. hamme
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Who's Speaking?: Audio-Supervised Classification of Active Speakers in Video
Active speakers have traditionally been identified in video by detecting their moving lips. This paper demonstrates the same using spatio-temporal features that aim to capture other cues: movement of the head, upper body and hands of active speakers. Speaker directional information, obtained using sound source localization from a microphone array is used to supervise the training of these video features.
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