• 제목/요약/키워드: Class Confidence Matrix

검색결과 1건 처리시간 0.015초

비디오 얼굴 식별 성능개선을 위한 다중 심층합성곱신경망 결합 구조 개발 (Development of Combined Architecture of Multiple Deep Convolutional Neural Networks for Improving Video Face Identification)

  • 김경태;최재영
    • 한국멀티미디어학회논문지
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    • 제22권6호
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    • pp.655-664
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    • 2019
  • In this paper, we propose a novel way of combining multiple deep convolutional neural network (DCNN) architectures which work well for accurate video face identification by adopting a serial combination of 3D and 2D DCNNs. The proposed method first divides an input video sequence (to be recognized) into a number of sub-video sequences. The resulting sub-video sequences are used as input to the 3D DCNN so as to obtain the class-confidence scores for a given input video sequence by considering both temporal and spatial face feature characteristics of input video sequence. The class-confidence scores obtained from corresponding sub-video sequences is combined by forming our proposed class-confidence matrix. The resulting class-confidence matrix is then used as an input for learning 2D DCNN learning which is serially linked to 3D DCNN. Finally, fine-tuned, serially combined DCNN framework is applied for recognizing the identity present in a given test video sequence. To verify the effectiveness of our proposed method, extensive and comparative experiments have been conducted to evaluate our method on COX face databases with their standard face identification protocols. Experimental results showed that our method can achieve better or comparable identification rate compared to other state-of-the-art video FR methods.