Li, Chang-Tsun and Li, Yue (2007) Steganographic method for colour image using expandable progressive exponential clustering. In: IEEE International Conference on Digital Ecosystems and Technologies, Cairns, AUSTRALIA, FEB 21-23, 2007. Published in: 2007 INAUGURAL IEEE INTERNATIONAL CONFERENCE ON DIGITAL ECOSYSTEMS AND TECHNOLOGIES pp. 517-522.

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Abstract

In this work, we propose a steganographic scheme based on an expandable progressive exponential clustering (EPEC) algorithm for embedding secret message in colour images, which aims to achieve high embedding capacity while keeping distortion low. The EPEC algorithm partitions the colour table into clusters of size equal to a power of 2 so that embeddable pixels can be used efficiently. Our experiments also prove that by adding 'virtual' colours in an informed manner to the colour table of images with significant low-frequency components can significantly increase the embedding capacity without inflicting distortion on the stego-images.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology
Series Name:	IEEE International Conference on Digital Ecosystems and Technologies
Journal or Publication Title:	2007 INAUGURAL IEEE INTERNATIONAL CONFERENCE ON DIGITAL ECOSYSTEMS AND TECHNOLOGIES
Publisher:	IEEE
ISBN:	978-1-4244-0467-4
Date:	2007
Number of Pages:	6
Page Range:	pp. 517-522
Identification Number:	10.1109/DEST.2007.372027
Publication Status:	Published
Title of Event:	IEEE International Conference on Digital Ecosystems and Technologies
Location of Event:	Cairns, AUSTRALIA
Date(s) of Event:	FEB 21-23, 2007
URI:	http://wrap.warwick.ac.uk/id/eprint/31044

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