In-dependable Data hiding in an Encrypted Image using FCM-DH Algorithm
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2014, Vol 3, Issue 2
Abstract
In this paper, a data mining technique, Fuzzy C Means Clustering (FCM) based data hiding algorithm (FCM-DH) is used to divide pixels into classes or clusters from the encrypted image. Clustering of pixels in an encrypted image is considered in the proposed approach for creating a space to accommodate data. Before applying the FCM-DH, a content owner prepares a cover image by encrypting the pixels of an image with encryption key. Then, group the pixels to compress the least significant bits of the encrypted image using a proposed FCM-DH technique with data-hiding key and form a partition matrix to create space to accommodate data. With a received cover image containing hidden data, if the receiver can extract the data with data-hiding key or decrypt the cover image with encryption key to obtain original image independently. If the receiver applying both the datahiding key and the encryption key, then extract the data and recover the original image without any error by exploiting the spatial correlation in natural image.
Authors and Affiliations
S Janani, S Poorani
Keywords
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