Authors: Yang, J-H¹; Chang, C-C²; Lin, C-H³

Source: Imaging Science Journal, The, Volume 58, Number 1, February 2010 , pp. 3-11(9)

Publisher: Maney Publishing

Abstract:

Image encoding technique is an important issue to protect the security of an image and to prevent the image from being eavesdropped over the Internet. In 2001, Ammar et al. proposed an image encoding scheme based on residue number system (RNS). To overcome the disadvantages of Ammar et al.'s scheme, Wang et al. proposed a more efficient RNS image encoding scheme in 2004. However, these two image encoding schemes are insecure and inefficient. Thus, we propose two image encoding schemes using residue number system in this paper. Compared with the previous RNS image encoding schemes, the proposed schemes have the advantages of lower communication overhead, less moduli selection, higher security and fewer computation loads. Also, the experimental results show that the proposed two schemes are more secure, efficient and practical than the previous works.

Keywords: CHINESE REMAINDER THEOREM; IMAGE ENCODING; RESIDUE NUMBER SYSTEM

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/136821909X12490326247489

Affiliations: 1: Department of Information and Electronic Commerce, Kainan University, 1 Kainan Road, Luchu, Taoyuan 33857, Taiwan 2: 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, Taichung 40724, Taiwan;, Email: ccc@cs.ccu.edu.tw 3: Department of Information Engineering and Computer Science, Feng Chia University, 100 Wenhwa Rd, Seatwen, Taichung 40724, Taiwan

Publication date: 2010-02-01

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