… process decreases the mutual information among the encrypted image variables (ie …
block-based transformation algorithm in order to increase the security level of the encrypted images. …

… algorithm based on fractional Fourier transform and block-based transformation is
proposed in this paper. The image encryption process includes two steps: the original …

… After the detailed study of image encryption, we presented some problem which find during
… Section – I basic introduction about image encryption and problem formulation, section-II …

… for multimedia data such as images. In this paper, we introduce a block-based transformation
algorithm based on the combination of image transformation and a well known encryption …

… In the present paper we have consider chaos method for image encryption. an index based
… image encryption using index based chaotic method for encrypting the gray scale image. …

… propose a block-based transformation algorithm through which images can … image encryption
framework to accomplish our goals. We opt to use a block-based transformation algorithm…

… algorithm based on block based image transformation using perfect shuffle operation followed
by new encryption algorithm… the generated results with available algorithms like AES, RC6 …

… We believe that by proposing the block-based encryption and decryption algorithm, it will
help to … In this research, we propose a new transformation algorithm to be used as a pre- …

… encrypted an image at three stages for increasing the entropy and to decrease the correlation
between the pixels using block based transformation… present image encryption using index …

… In this paper, a new uniform scrambling and block based image … the encryption of the shuffled
image is performed using a chaotic map to enforce the security of the proposed encryption …