Title :
Image hiding based on block difference
Author :
Chan, Chi-Kwong ; Cheng, L.M. ; Leung, Kai-Chi ; Li, Suk-Ling
Author_Institution :
Dept. of Comput. Eng. & Inf. Technol., City Univ. of Hong Kong, China
Abstract :
In this paper, a novel image hiding scheme based on block difference is proposed to hide a secret-image into a cover-image such that an unintended observer will not be aware of the hidden secret-image. By exploring the property of block difference between the cover-image and the secret-image, the image quality of the resulting stego-image can be greatly improved. Experimental results demonstrate that the resulting stego-image has high peak signal-to-noise ratio and the visual quality of the stego-image is indistinguishable from the original cover-image.
Keywords :
cryptography; data encapsulation; image resolution; block difference; cover-image; hidden secret-image; high peak signal-to-noise ratio; image hiding; image quality; stego-image; visual quality; Cryptography; Data mining; Eyes; Humans; Image converters; Image quality; Information technology; PSNR; Pixel; Protection;
Conference_Titel :
Control, Automation, Robotics and Vision Conference, 2004. ICARCV 2004 8th
Print_ISBN :
0-7803-8653-1
DOI :
10.1109/ICARCV.2004.1468972
