H.264-Compatible Temporal Subband Coding of Background Soccer Video

University essay from KTH/Ljud- och bildbehandling

Author: Xiaohua Lu; [2012]

Keywords: ;

Abstract: In this thesis, we propose a H.264-compatible temporal subband coding scheme for static background scenes of soccer video. We utilize the orthonormal wavelet transform to decompose a group of successive frames into temporal subbands. By exploiting the energy conservation property of the orthonormal wavelet transform, we construct a rate distortion model for optimal bitrate allocation among different subbands. To take advantage of high efficiency video codec H.264/AVC, we encode each subband with H.264 intra-coding by assigning optimal bitrates. The experimental results shows that our proposed coding scheme outperforms conventional video codec H.264/AVC and VP8 for both subjective and objective evaluation.

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