Li, Chang-Tsun and Li, Yue (2008) Random Index Modulation based fragile watermarking scheme for authenticating colour images. In: 4th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, Harbin, China, Aug 15-17, 2008. Published in: Proceedings of the 4th International Conference on Intelligent Information Hiding and Multimedia Signal Processing pp. 16-19.

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Abstract

In this work we propose a Random Index Modulation (RIM) based fragile watermarking scheme for authenticating RGB colour images. To thwart counterfeiting attacks, block-wise dependence neighbourhood is established, under the control of a secret key, and a content-dependent watermark is created by picking a certain number of bits from the dependence neigbbourhood after scrambling its members. To minimise embedding distortion and to keep the location of the watermark secret, instead of embedding the watermark in the least significant bits, the proposed scheme embeds the watermark by associating a small set of indexes with the intensity range of the images in a random fashion under the control of the secret key and modulating the original pixels such that the indexes associated with the modulated / watermarked pixels are equal to the watermark bits to be embedded in the corresponding pixels.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TR Photography
Divisions:	Faculty of Science > Computer Science
Journal or Publication Title:	Proceedings of the 4th International Conference on Intelligent Information Hiding and Multimedia Signal Processing
Publisher:	IEEE
ISBN:	978-0-7695-3278-3
Editor:	Pan, JS and Niu, XM and Huang, HC and Jain, LC
Date:	2008
Number of Pages:	4
Page Range:	pp. 16-19
Identification Number:	10.1109/IIH-MSP.2008.329
Status:	Not Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Title of Event:	4th International Conference on Intelligent Information Hiding and Multimedia Signal Processing
Type of Event:	Conference
Location of Event:	Harbin, China
Date(s) of Event:	Aug 15-17, 2008
URI:	http://wrap.warwick.ac.uk/id/eprint/29413

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