A DCT-Domain System for Hiding Fractal Compressed Images

Authors:
Chin-Chen Chang;Chi-Lung Chiang;Ju-Yuan Hsiao
Affiliations:
National Chung Cheng University;National Chung Cheng University;National Changhua University of Education
Venue:
AINA '05 Proceedings of the 19th International Conference on Advanced Information Networking and Applications - Volume 2
Year:
2005

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A scalable secret image sharing method based on discrete wavelet transform

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Abstract

In this paper, we shall propose an approach for hiding a secret image in a cover image. In the beginning, the fractal image compression method is used to compress the secret image, and then we encrypt this compressed data by DES. Finally, we embed the encrypted data into the middle-frequency domain of DCT. After embedding the secret image, the goal of steganography can be successfully achieved.