Image Encryption Techniques using Fractal Geometry: A Comparative Study
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2014, Vol 16, Issue 5
Abstract
Abstract: Data security has become an important issue in recent times. Confidential data needs to be protected from unauthorized users. Various image encryption techniques have been proposed for the secure transmission of images to protect the authenticity, integrity and confidentiality of images. Fractal images can be used as a strong key for the encryption due to the random and chaotic nature of fractals. The infinite boundaries of fractals provide highly complex structure that leads to confusion and it becomes a tedious task for an unauthenticated user to crack the exact secret fractal key. In this paper, a review of various techniques used for image encryption using fractal geometry has been illustrated. All these techniques have their own advantages and disadvantages in terms of execution time, key generation time and Peak Signal to Noise Ratio.
Authors and Affiliations
Swati Gupta , Nishu Bansal
Keywords
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- EP ID EP147573
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