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Speaker and Speech recognition by Audio-Visual lip biometrics

This paper proposes a new robust bi-modal audio visual speech and speaker recognition system by lip-motion and speech biometrics. To increase the robustness of speech and speaker recognition, we have proposed a method using speaker lip motion information extracted from video sequences with low resolution (128 ×128 pixels). In this paper we investigate a biometric system for speech recognition and speaker identification based using line-motion estimation with speech information and Support Vector Machines. The acoustic and visual features are fused at the feature level showing favourable results with digit recognition being 83% to 100% and speaker recognition 100% on the XM2VTS database.