H. B. Kekre, Tanuja K. Sarode, Archana Athawale and Kalpana Sagvekar (2010) High payload using mixed codebooks of Vector Quantization

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High payload using mixed codebooks of Vector Quantization

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CONTRIBUTORS:

	Author:	H. B. Kekre
	Author:	Tanuja K. Sarode
	Author:	Archana Athawale
	Author:	Kalpana Sagvekar

JOURNAL:

International Journal on Computer Science and Engineering (IJCSE), 02(02), 352 - 356.

YEAR:

2010

PUB TYPE:

Journal Article

SUBJECT(S):

Data hiding, Vector Quantization, Codebook, Compression.

DISCIPLINE:

Computer Science

HTTP:

http://www.enggjournals.com/ijcse/doc/IJCSE10-02-02-43.pdf

LANGUAGE:

English

PUB ID:

103-470-527 (Last edited on 2010/04/07 01:54:46 GMT-6)

SPONSOR(S):

ABSTRACT:
Data hiding involves conveying secret messages under the cover digital media such as images. It is the science of concealed communication. The term hiding can refer to keeping the very existence of the embedded messages imperceptible. Intuitively, a technique that introduces less embedding distortion to the cover object will generally cause changes that are more difficult to detect, and will therefore provide more security. In this paper, we propose a data hiding method based on VQ compressed images. Codebooks of secret message & cover images are combined using shuffle algorithm. Experimental results indicate that our proposed scheme provides 100% hiding capacity or more that means secret message can be of same or more size than cover image and better image quality compared with existing schemes based on VQ compressed images.

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