A two level mode decision algorithm for H.264 high profile intra encoding

Cheng Yen Chang*, Cheng An Chien, Hsiu Cheng Chang, Jia Wei Chen, Jiun-In Guo

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations

Abstract

A two level mode decision algorithm considering edge information for H.264 high profile intra encoding is proposed to reduce the computational complexity. In level one mode decision, the edge information is used to decide the appropriate intra coding block size according to the observations that a smooth macroblock usually chooses the large intra coding block size, and that a complex macroblock usually chooses the small one. In level two mode decision, we use the correlation between adjacent blocks to decide the appropriate prediction modes. The proposed method achieves 34%59% reduction of computational complexity when compared to JM14 and the PSNR only drops 0.09 db in average.

Original languageEnglish
Pages508-511
Number of pages4
DOIs
StatePublished - 28 Sep 2012
Event2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 - Seoul, Korea, Republic of
Duration: 20 May 201223 May 2012

Conference

Conference2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012
CountryKorea, Republic of
CitySeoul
Period20/05/1223/05/12

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