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Proceedings of 2009 International Symposium on Computer Science and Computational Technology (ISCSCT 2009)

Huangshan, China, December 26-28, 2009

Editors: Fei Yu, Guangxue Yue, Jian Shu, Yun Liu

AP Catalog Number: AP-PROC-CS-09CN005

ISBN: 978-952-5726-07-7 (Print), 978-952-5726-08-4 (CD-ROM)

Page(s): 1-6

An Ingenious Data Hiding Scheme for Color Retinal Image

C. C. Chang, Z. H. Wang, and Z. X. Yin

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Steganography is the art of communicating messages in a way such that only the intended recipient knows of their existence. In this paper, we present a novel steganographic method, that can transmit the embedded secret data effectively and securely. The proposed data hiding method makes use of color retinal images as the cover media and employs the least significant bit method to embed secret bits. In essence, each color image is composed of red-green-blue planes; our scheme embeds secret bits into one of the planes of the color image to enhance the security of the transmitted message. The definition of the blood vessels plays a key role in the quality of a retinal image. More importantly, the fidelity of the blood vessel is the soul of the basis in the diagnostic procedure. How to conceal the secret data into a retinal image while introducing no or small-beer distortion to the blood vessel is one of the challenges in this research. The experimental results demonstrate that the proposed method achieves good visual quality and acceptable embedding capacity.

Index Terms

Data hiding; Steganography; Retinal image; LSB

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