New interleaved hierarchical interpolation with median-based interpolators for progressive image transmission

被引：7

作者：

Zeng, B ^{[1
]}

Fu, MS ^{[1
]}

Chuang, CC ^{[1
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Elect & Elect Engn, Kowloon, Hong Kong, Peoples R China

来源：

SIGNAL PROCESSING | 2001年 / 81卷 / 02期

关键词：

progressive image transmission; pyramid data structure; hierarchical interpolation; median-based filter;

D O I：

10.1016/S0165-1684(00)00219-X

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：

The Hierarchical INTerpolation (HINT) algorithm provides an interpolated-pyramid data structure that is truly lossless and non-redundant for progressive image transmission. By splitting the interpolation into two directional stages, the so-called interleaved HINT (IHINT) is developed to further reduce the resulting entropy. In this paper, we introduce a new IHINT algorithm based on the quincunx sub-sampling grid, in which the diagonal interpolation is done first. We equip this algorithm with two novel interpolators that are based on some FIR-median hybrid filters. Simulation results consistently show an improved coding performance. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：431 / 438

页数：8

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