A study on fast rate-distortion optimized coding mode decision for H.264

Author

Tanizawa, Akiyiuki ; Koto, Shin-Ichiro ; Chujoh, Takahi ; Kikuchi, Yoshihiro

Author_Institution

Multimedia Lab., Toshiba Corp., Kawasaki, Japan

Volume

2

fYear

2004

fDate

24-27 Oct. 2004

Firstpage

793

Abstract

The H.264 video coding standard can achieve considerably higher coding efficiency than any other existing standards by deciding the best mode among many prediction modes and various sixes of prediction blocks. Although the coding efficiency is improved by using Lagrange optimization for the mode decision, computational complexity increases significantly at the encoder. In this paper, we propose the fast rate-distortion optimization method for the hierarchical and adaptive coding mode decision in order to reduce the number of candidates for the best coding mode.

Keywords

adaptive codes; code standards; computational complexity; data compression; optimisation; rate distortion theory; video coding; H.264 video coding standard; Lagrange optimization; adaptive coding mode decision; computational complexity; fast rate-distortion optimization; Costs; Laboratories; Lagrangian functions; Optimization methods; Quadratic programming; Quantization; Rate-distortion; Standards development; Telecommunication standards; Video coding;

fLanguage

English

Publisher

ieee

Conference_Titel

Image Processing, 2004. ICIP '04. 2004 International Conference on

ISSN

1522-4880

Print_ISBN

0-7803-8554-3

Type

conf

DOI

10.1109/ICIP.2004.1419417

Filename

1419417