Title :
Lossy-to-lossless screen content coding using an HEVC base-layer
Author :
Braeckman, Geert ; Satti, Shahid M. ; Heng Chen ; Delputte, Steven ; Schelkens, Peter ; Munteanu, Adrian
Author_Institution :
Dept. of Electron. & Inf. (ETRO), Vrije Univ. Brussel, Brussels, Belgium
Abstract :
This paper presents a novel High Efficiency Video Coding (HEVC) based screen content coding scheme providing lossy-to-lossless compression support. The paper follows a two-layer design approach which allows for backward compatibility with the conventional HEVC standard for the base-layer and yields lossless compression when decoding the enhancement-layer. The system employs Golomb based binarization and context-based arithmetic coding to efficiently encode the enhancement-layer. Performance evaluations using 4:4:4 screen content sequences are carried out. The results show that the proposed system substantially outperforms lossless intra- HEVC and single-layer JPEG-LS.
Keywords :
arithmetic codes; data compression; video coding; Golomb based binarization; HEVC base layer; content sequences; context based arithmetic coding; enhancement layer; high efficiency video coding; lossy to lossless compression support; lossy to lossless screen content coding; two layer design approach; Indexes; Tin; HEVC; Screen content coding; lossy-to-lossless coding; scalable video compression;
Conference_Titel :
Digital Signal Processing (DSP), 2013 18th International Conference on
Conference_Location :
Fira
DOI :
10.1109/ICDSP.2013.6622843