Hiding data in halftone images

被引：1
|
作者：
Tseng, HW [1 ]
Chang, CC
机构：
[1] Lib Natl Taichung Teachers Coll, Taichung 403, Taiwan
[2] Natl Chung Cheng Univ, Dept Comp Sci & Informat Engn, Chiayi 621, Taiwan
来源：
INFORMATICA | 2005年 / 16卷 / 03期
关键词：
data hiding; error diffusion; halftone; visual cryptography;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Most recent papers about visual cryptography for halftone images are dedicated to get a higher contrast decoded image. However, the hidden visual pattern often blends into the background image and leads to a confused image. In this paper, we propose an improved method for halftone image hiding. By using the proposed method, the background image can be eliminated and the hidden visual pattern can be revealed precisely. Experimental results show that the decoded visual patterns could reveal good visual quality under various kinds of input patterns. Furthermore, better visual quality can be obtained when more halftone images are overlaid.
引用
收藏
页码：419 / 430
页数：12
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