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In this paper, a new H.264-based multiple description coding (MDC) scheme is proposed and called the prediction-based spatial polyphase transform (PSPT) MDC, to enhance the error resilience and reduce the computational complexity of the H.264 codec. In our approach, each input frame is first subsampled in both horizontal and vertical directions to form four subframes. Instead of directly coding and...
In this paper, a novel H.264-based multiple description coding (MDC) framework, called the prediction-based spatial polyphase transform (PSPT) multiple description video coding, is introduced to enhance the error-resilience ability and reduce the computational complexity of the H.264 codec. The proposed PSPT-MDC down-samples each input frame in both the horizontal and the vertical directions, forming...
H.264 is a very efficient video compression standard. In this paper, a scheme of H.264 encoder implementation based on TMS320C6416 DSP is presented. The structure hardware, the developing platform, the procedure of code immigration and many optimizing methods are discussed. The optimization based on the extended instruction set of C64x for the critical time consuming modules, the scheduling of data...
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