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A new robust watermarking scheme for color image in spatial domain

Nasir, I, Weng, Y and Jiang, J (2007) A new robust watermarking scheme for color image in spatial domain Proceedings - International Conference on Signal Image Technologies and Internet Based Systems, SITIS 2007. pp. 942-947.

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This paper presents a new robust watermarking scheme for color image based on a block probability in spatial domain. A binary watermark image is permutated using sequence numbers generated by a secret key and Gray code, and then embedded four times in different positions by a secret key. Each bit of the binary encoded watermark is embedded by modifying the intensities of a non-overlapping block of 8*8 of the blue component of the host image. The extraction of the watermark is by comparing the intensities of a block of 8*8 of the watermarked and the original images and calculating the probability of detecting '0' or '1'. Tested by benchmark Stirmark 4.0, the experimental results show that the proposed scheme is robust and secure against a wide range of image processing operations. © 2008 Crown Copyright.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Nasir, I
Weng, Y
Date : 1 December 2007
DOI : 10.1109/SITIS.2007.67
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:24
Last Modified : 24 Jan 2020 22:11

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