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A geometric attack resistant image watermarking scheme based on invariant centroids
(University of Nairobi, 2007)
A digital image watermarking scheme that uses invariant centroids to detect and correct geometric attacks is proposed. The centroids are determined by computing a convergent geometric moment of a circular region of a ...
Comparison of Participative Design Experience in UK and Kenya
(2007)
An application of the concept of technological frames is presented as a way to understand the co-configuration of people, culture and technology. It shows how technological frames can be used to solve the problems that ...