Fractal zooming of thumbnails for progressive image coding

被引：3

作者：

Ancis, M ^{[1
]}

Buchwald, WP ^{[1
]}

Giusto, DD ^{[1
]}

Schmidt, D ^{[1
]}

机构：

[1] Univ Cagliari, Dept Elect & Elect Engn, I-09123 Cagliari, Italy

来源：

MULTIMEDIA STORAGE AND ARCHIVING SYSTEMS III | 1998年 / 3527卷

关键词：

image data compression; progressive image transmission; two-source decomposition; fractal zooming; wavelets;

D O I：

10.1117/12.325847

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

Many multimedia applications deal with image progressive transmission in order to reduce channel bandwidth and to allow for interactivity between users and service providers. In this framework, the paper presents a novel two-source coding scheme where thumbnail data are interpolated by fractal zooming to obtain higher resolution images; the relevant residual information is then coded by vector quantizing the wavelet decomposition coefficients. Performance of this novel scheme is evaluated on a variety of pictures, confirming its validity both in quantitative (MSE) and qualitative terms (absence of block distortion).

引用

页码：541 / 549

页数：9