A NOVEL APPROACH IMAGE ENCRYPTION BASED ON LOGISTIC MAP

Ch.Seetha Devi, Dr. M. Babu Rao

Abstract


The paper present s a novel approach image encryption based on logistic map. Present days, multimedia messages are exchanged based on internet. Security threats are drastically increasing over the internet. So, security messages are handling by different cryptographic methods in digital image processing. In the paper, proposed method follows 4 steps. Firstly, apply logistic map to the original image and cover image. The original image pixel values are subtract with the summation of corresponding pixel values of the resultant of original and cover image pixel values. The attackers are difficult to decrypt the original image  from encode image because of  the exact parameter pixels used for the logistic maps to get the original image, which is difficult to guess the parameters. The proposed method has analysis the results and different measurement analysis as shown in experimental section.


Keywords


Cryptographic; Chaotic Map; Logistic Map;

References


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