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Iris recognition offers unique pattern as a biometric authentication. Iris has advantages in term of universality, distinctiveness, permanence, and collectability. This research proposed implementation of half polar iris localization and normalization to improve performance of iris recognition that is detected using modified low cost camera. In the development phase dataset from CASIA-IrisV1 is used...
In this paper, we propose a new color image encryption method using color scrambling based on the chaotic permutation multiple circular shrinking and expanding (CPMCS/ CPMCE). The plain color image with a size of m x n x 3 is arranged in two-dimensional array, where each row consists of the Red, Green, and Blue (RGB) component, forming two-dimensional array with a size of m x 3n. The arranged 2D array...
In the image encryption, chaotic map usually used for pixel permutation, due to it can generate chaotic permutations hence difficult to predict. However chaotic map which is widely used for image permutations like Arnold Cat Map (ACM) has a relatively low recurrence period so vulnerable to the known image attack. Besides, the key space Arnold cat map is also relatively low so vulnerable to brute-force...
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