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Lossless Image Coding Based on Inter-color Prediction for Ultra High Definition Image

  • Jiho Park
  • Je Woo Kim
  • Jechang Jeong
  • Byeongho Choi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7088)

Abstract

This paper addresses the lossless image coding for ultra-high definition television system which supports 4K (4096×2160) resolution image with 22.2ch audio. Ultra High Definition Tele-vision system is being developed to satisfy end-user who has a longing for higher resolution, higher quality, and higher fidelity picture and sound. However, the major characteristic of Ultra High Definition Tele-vision system is considerably huge input information must be processed in real-time compare to conventional systems. Therefore high speed data handling for editing and playing, high speed signal interface between devices and real-time source codecs without delay for saving memory space are unavoidable requirements of ultra-high system. This paper focused on lossless image codec for the reason of real-time processing with reasonable coding gain and the proposed algorithms is pixel based algorithms called spatio-color prediction. The proposed algorithm uses inter-color correlation with spatial correlation appropriately and it shows 5.5% coding efficiency improvement compare to JPEG-LS. The simulation was performed using 4K resolution RGB 10bit images and it is claimed that the proposed lossless coding was verified under the developed Ultra High Definition Tele-vision system.

Keywords

lossless coding ultra high definition high-fidelity inter-color 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Jiho Park
    • 1
  • Je Woo Kim
    • 1
  • Jechang Jeong
    • 2
  • Byeongho Choi
    • 1
  1. 1.Multimedia IP Research CenterKETISeongnam-siKorea
  2. 2.Department of Electronic and Computer EngineeringHanyang UniversitySeongdong-guKorea

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