Akila Arumugam

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In this paper, we present two new methods for Image Encryption. The first is an image encryption algorithm based on improved 3D cat map and the second method is based on the generalized 3D Arnold transformation. The new algorithm employs Henon map chaotic sequence to generate control parameters of shuffling and uses improved 2D Logistic map sequence to(More)
High Dynamic Range Imaging is a inevitable step in machine vision for a high dynamically illuminated environment. In cost-wise aspect it is better to convert the high dynamic image to a low dynamic one with preserving the maximum information with the help of Tone Reproduction Algorithm. Another essential feature in colour based object recognition is colour(More)
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