Data hiding using edge detector for scalable images |
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Authors: | Ki-Hyun Jung Kee-Young Yoo |
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Affiliation: | 1. School of Computer Information, Yeungjin College, 218 Bokhyun-Dong, Buk-Gu, Daegu, 702-721, Republic of Korea 2. School of Computer Science and Engineering, Kyungpook National University, 1370 Sankyuk-Dong, Buk-Gu, Daegu, 702-701, Republic of Korea
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Abstract: | In this paper we propose a data hiding method that utilizes image interpolation and an edge detection algorithm. Image interpolation algorithm enlarges a cover image before hiding secret data in order to embed a large amount of secret data. Edge detection algorithm is applied to improve a quality of stego-image. Experimental results show that the proposed method can embed a large amount of secret data while keeping visual quality better than previous works. We demonstrate that the average capacity is 391,115bits, and the PSNR and quality index are 44.71dB, 0.9568 for gray images when threshold value is 4 and the embedding bits are given to 2 respectively. |
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