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Optimizing Subjective Quality in HEVC-MSP: An Approximate Closed-form Image Compression Approach

  • Wuhan University
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

HEVC, as the latest video coding standard, achieves top performance on image compression. On the basis of this, we propose a novel approach to optimize subjective quality for HEVC-based image compression. Specifically, a bit allocation formulation is established to optimize subjective quality with constraint on bit-rates. Then, we propose a recursive Taylor expansion method to quickly solve such a formulation with an approximate closed-form solution. The experimental results show the superior performance of our approach, with ~40% BD-rate saving over the state-of-the-art HEVC-MSP for face image compression.

Original languageEnglish
Title of host publicationProceedings - DCC 2016
Subtitle of host publication2016 Data Compression Conference
EditorsMichael W. Marcellin, Ali Bilgin, Joan Serra-Sagrista, James A. Storer
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages437-446
Number of pages10
ISBN (Electronic)9781509018536
DOIs
StatePublished - 15 Dec 2016
Event2016 Data Compression Conference, DCC 2016 - Snowbird, United States
Duration: 29 Mar 20161 Apr 2016

Publication series

NameData Compression Conference Proceedings
ISSN (Print)1068-0314

Conference

Conference2016 Data Compression Conference, DCC 2016
Country/TerritoryUnited States
CitySnowbird
Period29/03/161/04/16

Keywords

  • HEVC
  • perceptual image compression
  • saliency detection

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