Fast HEVC intra mode decision using matching edge detector and kernel density estimation alike histogram generation

Guang Chen, Zhenyu Liu, Takeshi Ikenaga, Dongsheng Wang

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

41 Citations (Scopus)

Abstract

Intra coding algorithm in High Efficiency Video Coding employs up to 35 directional prediction modes. Upon the end of alleviating the intra encoding complexity, we proposed the candidate mode selection algorithm from analyzing the textures of the source image block. Considering the fine difference between the neighboring prediction directions, we devise the fix-point arithmetic based edge detector, which improves the direction detection accuracy as compared with the typical previous works while maintaining the low computational overhead. To improve the robustness of the edge direction statistics, we further introduce the conception of kernel density estimation into the histogram calculation. Our proposals is orthogonal to the published HEVC fast intra mode decision algorithms. Experimental results verified that, on average, the proposed methods reduced the encoding time by 25.21% in high efficiency mode, and 37.61% in low complexity mode, whereas the averaging BDPSNR losses are 0.0608dB and 0.0781dB, respectively. 1.

Original languageEnglish
Title of host publication2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013
Pages53-56
Number of pages4
DOIs
Publication statusPublished - 2013 Sep 9
Event2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013 - Beijing, China
Duration: 2013 May 192013 May 23

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013
CountryChina
CityBeijing
Period13/5/1913/5/23

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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  • Cite this

    Chen, G., Liu, Z., Ikenaga, T., & Wang, D. (2013). Fast HEVC intra mode decision using matching edge detector and kernel density estimation alike histogram generation. In 2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013 (pp. 53-56). [6571780] (Proceedings - IEEE International Symposium on Circuits and Systems). https://doi.org/10.1109/ISCAS.2013.6571780