Improved error resilient H.264 coding scheme using SP/SI macroblocks

Xiaosong Zhou; Wei-Ying Kung; C.-C. Jay Kuo

doi:10.1117/12.589714

14 March 2005 Improved error resilient H.264 coding scheme using SP/SI macroblocks

Xiaosong Zhou, Wei-Ying Kung, C.-C. Jay Kuo

Proceedings Volume 5685, Image and Video Communications and Processing 2005; (2005) https://doi.org/10.1117/12.589714
Event: Electronic Imaging 2005, 2005, San Jose, California, United States

Abstract

In this work, we improve the H.264 error resilient coding scheme in [1, 2] with a hybrid scheme that generates alternative SP macroblocks utilizing both multiple reference frames [1] and the concealed versions of corrupted frames [2]. The new scheme is more robust and able to work effectively under different coding environments. Although the bit rate overhead introduced by [1] and [2] is acceptable for some applications, we use an adaptive coding and bit stream replacement mechanism to reduce the overhead furthermore to meet the strict bandwidth constraints. Specifically, two different versions of alternative SP macroblocks are coded using different quantization levels. They provide different levels of error resilient performance with different bit rate consumptions. When the sender attempts to replace the originally coded version of a target macroblock in the bit stream, it will select one proper version according to the importance of the macroblock. The importance of the macroblock is measured by its influence to the subjective quality of the current frame and its impact to subsequent frames. The implementation and the standard conformance of the proposed scheme are detailed in this work.

Citation Download Citation

Xiaosong Zhou, Wei-Ying Kung, and C.-C. Jay Kuo "Improved error resilient H.264 coding scheme using SP/SI macroblocks", Proc. SPIE 5685, Image and Video Communications and Processing 2005, (14 March 2005); https://doi.org/10.1117/12.589714

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KEYWORDS

Surface plasmons

Video

Computer programming

Quantization

Video coding

Receivers

Error analysis

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