Perceptual coding of digital monochrome images

被引:20
作者
Tan, DM [1 ]
Wu, HR
Yu, ZH
机构
[1] Monash Univ, Sch Comp Sci & Software Engn, Clayton, Vic 3800, Australia
[2] Motorola Australia Res Ctr, Botany, NSW 2019, Australia
关键词
vision system; perceptual coding; perceptual distortion metric; vision modeling;
D O I
10.1109/LSP.2003.821730
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel perceptual image coder of gray level images, is presented. This coder adopts the EBCOT coding structure employed in the JPEG2000 image coding standard, coupled with an advanced vision model based perceptual distortion measure for rate-distortion optimization to produce coded images with improved visual quality. The proposed coder maintains the EBCOT coding features such as scalability, and is fully bitstream compliant with the JPEG2000 standard. Results of subjective evaluations, using comparative forced-choice subjective tests, demonstrated the superior performance of the proposed perceptual coder over the the EBCOT/JPEG2000 benchmark coders.
引用
收藏
页码:239 / 242
页数:4
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