Rate-distortion optimized compression of high dynamic range videos

Chul Lee, Chang-Su Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Citations (Scopus)

Abstract

An efficient algorithm to compress high dynamic range (HDR) videos is proposed in this work. We employ the motion information to separate an HDR video sequence into a tone-mapped low dynamic range (LDR) sequence and a ratio sequence. Then, those two sequences are encoded using the standard H.264/AVC codec. During the encoding, we allocate the limited bit budget to the LDR sequence and the ratio sequence optimally to maximize the qualities of the LDR and HDR sequences. Conventional LDR devices use only the LDR stream, whereas HDR devices reconstruct the HDR video using the LDR stream and the ratio stream. Simulation results show that the proposed algorithm provides better performance than the conventional methods. copyright by EURASIP.

Original languageEnglish
Title of host publicationEuropean Signal Processing Conference
Publication statusPublished - 2008
Event16th European Signal Processing Conference, EUSIPCO 2008 - Lausanne, Switzerland
Duration: 2008 Aug 252008 Aug 29

Other

Other16th European Signal Processing Conference, EUSIPCO 2008
CountrySwitzerland
CityLausanne
Period08/8/2508/8/29

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering

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