The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Forward Adaptive Prediction on Modified Integer Transform Coefficients for Lossless Image Compression

무손실 영상 압축을 위한 변형된 정수 변환 계수에 대한 순방향 적응 예측 기법

  • Kim, Hui-Gyeong (Dept. of Computer Science, SangMyung University) ;
  • Yoo, Hoon (Dept. of Digital Media, SangMyung University)
  • 김희경 (상명대학교 대학원 컴퓨터과학과) ;
  • 유훈 (상명대학교 디지털미디어학부)
  • Received : 2013.04.24
  • Accepted : 2013.06.10
  • Published : 2013.07.01
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Abstract

This paper proposes a compression scheme based on the modified reversible integer transform (MRIT) and forward adaptive prediction for lossless image compression. JPEG XR is the newest image coding standard with high compression ratio and that composed of the Photo Core Transform (PCT) and backward adaptive prediction. To improve the efficiency and quality of compression, we substitutes the PCT and backward adaptive prediction for the modified reversible integer transform (MRIT) and forward adaptive prediction, respectively. Experimental results indicate that the proposed method are superior to the previous method of JPEG XR in terms of lossless compression efficiency and computational complexity.

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References

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