December 2017
Intermediate to advanced
424 pages
12h 35m
English
Content preview from Multimedia Security
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19.1 INTRODUCTION
With rapid development and wide applications in digital technology, the security of digital images has attracted increasing attention. Applying the merits of chaos to protect image security is a promising research field. In order to achieve significant confusion and diffusion, a chaotic image encryption scheme typically includes two stages: the first stage is to permute all the pixels of an image as a whole by using a two-dimensional (2D) chaotic map, and the second stage is to change the entire pixel values of the permutated image sequentially. To the best of our knowledge, this scheme ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.