Journal of Broadcast Engineering (방송공학회논문지)

The Korean Institute of Broadcast and Media Engineers (한국방송∙미디어공학회)
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Effective Video Compression with two Quantization Parameters

  • Seok, Jinwuk (Electronics and Telecommunications Research Institute (ETRI)) ;
  • Cho, Seunghyun (Electronics and Telecommunications Research Institute (ETRI)) ;
  • Choi, Jin Soo (Electronics and Telecommunications Research Institute (ETRI))
  • Received : 2019.09.30
  • Accepted : 2019.11.26
  • Published : 2019.12.30
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Abstract

In this paper, we propose the novel methodology to improve the rate-distortion characteristics by the difference of the quantized DCT coefficients using two different quantized parameters in HEVC. Under the special condition of the quantization property in HEVC, we evaluate the binary difference of the quantized DCT coefficients derived from two different quantized parameters and compressed it with simple CABAC algorithm based on the characteristics of the binary difference. The experimental result shows that the proposed algorithm improves the compression performance of the rate-distortion property in comparison to the conventional HEVC compression method.

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References

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