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  • Xinzhu Yang
  • 2013
The primary challenge to perform mobile sign language communication over cellular network is overcoming the data loss. We proposed a new multiple descriptions coding (MDC) for protecting regions of interest (ROI) in sign language video by combining the advantages of MDC and ROI coding. The set partitioning in hierarchical trees (SPIHT) algorithm is used to(More)
The high computational complexity of H.264 poses as a challenge for it's feasibility in power-constrained devices. In this paper, the key modules of the encoder which can be power-optimized are analyzed at first. Based on the analysis results, a novel computation resource allocation method is proposed. The algorithm can allocate the computation resource of(More)
A new multiple description (MD) coding for protecting regions of interest (ROI) in images is proposed by combining the advantages of MD coding and ROI coding. The set partitioning in hierarchical trees (SPIHT) algorithm is used to generate MD streams, and these streams are divided into ROI streams and background (BG) streams. For protection of ROI, our(More)
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