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[학술저널]

  • 학술저널

Kwang Yeon Choi(Inha University) Byung Cheol Song(Inha University)

UCI(KEPA) : I410-ECN-0101-2017-569-001598859

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초록

This paper proposes a pre-processing algorithm to improve the coding efficiency of perceptual video coding. First, an input image is decomposed into multiple sub-bands through linear sub-band decomposition. Then, the sub-bands that have low visual sensitivity are suppressed by assigning small gains to them. Experimental results show that if the proposed algorithm is adopted for pre-processing in a High Efficiency Video Coding (HEVC) encoder, it can provide significant bit-saving effects of approximately 12% in low delay mode and 9.4% in random access mode.

목차

Abstract
1. Introduction
2. Previous Work
3. The Proposed Algorithm
4. Experimental Result
5. Conclusions
References

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