A new data hiding strategy with restricted region protection
Authors: Lee, C-F.1; Chen, K-N.2; Chang, C-C.3
Source: Imaging Science Journal, The, Volume 57, Number 5, October 2009 , pp. 235-249(15)
Publisher: Maney Publishing
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Abstract:
This paper proposes a novel data hiding scheme that aims to prevent certain regions from modifying. These regions are specified by users, and a location map is generated to indicate where the changeable pixels are located. To reduce the size of this extra information, the location map is compressed using modified Huffman coding, and the compressed code is embedded into cover images. The Huffman code and the secret information can be separated automatically during the extracting procedure, without knowing the size of the compressed code in advance. The experimental results show that our proposed scheme has flexibility in data hiding capacity and stego image quality control, and the regions can be preserved well. Thus, the proposed scheme can be applied to a wide variety of applications.Keywords: DATA HIDING; HUFFMAN CODING; WET PAPER; LOCATION MAP
Document Type: Research article
DOI: 10.1179/174313109X454747
Affiliations: 1: Department of Information Management, Chaoyang University of Technology, 168 Jifong E. Road, Wufong Township, Taichung County 41349, Taiwan 2: Department of Computer Science and Information Engineering, National Chung Cheng University, 160 San-Hsing, Ming-Hsiung, Chiayi 621, Taiwan 3: Department of Computer Science and Information Engineering, National Chung Cheng University, 160 San-Hsing, Ming-Hsiung, Chiayi 621, Taiwan; Department of Information Engineering and Computer Science, Feng Chia University, 100 Wenhwa Rd, Seatwen,
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