Abstract
Presently, distributed source coding (DSC) and distributed video coding (DVC) are given high attention in sensor network and other multimedia transmission. That is due to their contribution to easy encoding and robust multimedia communication. In this paper, we propose a new DVC framework where two LVQ (lattice vector quantization) and a rate-variable LDPC (lowdensity parity-check) are exploited. In both LVQ and LDPC, we use the interpolated from decoded frames as side information to help coding. Because of LVQ’s exploitation to dependence of source and the better error-correcting capacity of LDPC, our system achieves more than 1 dB improvement in PSNR than the referenced. Meanwhile, the property of low-complexity encoding is still preserved.
This work was supported in part by National Natural Science Foundation of China (60373028, 90604032), Specialized Research Fund for the Doctoral Program of Higher Education and Program for New Century Excellent Talents in University.
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Wang, A., Zhao, Y., Wang, H. (2006). LVQ Based Distributed Video Coding with LDPC in Pixel Domain. In: Yang, Q., Webb, G. (eds) PRICAI 2006: Trends in Artificial Intelligence. PRICAI 2006. Lecture Notes in Computer Science(), vol 4099. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-36668-3_170
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DOI: https://doi.org/10.1007/978-3-540-36668-3_170
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