An adaptive inverse halftoning algorithm

被引：27
|
作者：
Chen, LM
Hang, HM
机构：
[1] Department of Electronics Engineering, National Chiao Tung University
来源：
IEEE TRANSACTIONS ON IMAGE PROCESSING | 1997年 / 6卷 / 08期
关键词：
halftoning; linear filter; postprocessing;
D O I：
10.1109/83.605420
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A class of inverse halftoning algorithms that recovers gray-scale (continuous-tone) images from halftone images is proposed. The basic structure is an optimized linear filter, Then, a properly designed adaptive postprocessor is employed to enhance the recovered image quality. Finally, a multistage space-varying algorithm is developed that uses the basic linear filter structure as before but with spatially adaptive parameters.
引用
收藏
页码：1202 / 1209
页数：8
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