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This paper introduces a new (t, n) secret sharing scheme for image encryption. The proposed method encrypts the secret image into two images as the same size of the original image, which one is the public image (called the encrypted image) and another is to be shared among n participants using a new secret sharing method based on the Shamir’s secret sharing. In the new secret sharing scheme, t (or...
Color-to-gray is a classical manipulation in image processing. In this paper, a kernel based method is presented to carry out color-to-gray operation. It is noticeable that, in a meaningful color image only the linear combination of the three color components of every pixel is hardly enough to describe the implication relation between the luminance and chrominance in every pixel, or between pixels...
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