Embedding Data In Personal Image By Using Mosaic Image
JOURNAL OF EDUCATION AND SCIENCE,
2019, Volume 28, Issue 4, Pages 258-269
AbstractMany ideas have been dealt with in recent years about hiding data and different types and sizes of images. Different ways of hiding leads to unifying the desirable goals of this process. The main goal of a great bits of information with the smallest size or at least maintaining the original one of the hidden images or the target ones. One way to achieve the two goals is the hiding method by using mosaic image. Mosaic Images that are used image processing are those made by combining small tiles. The tiles are the source images which aim at restructuring the original visual information which is rendered into a new mosaic-like style. The Creation of mosaic images, made by a sequence of partial views, is a powerful means for obtaining a larger view than available within a single view, and it has been used in a wide range of applications especially in the field of steganography. Using this way, it is possible to hide information with the same size of the original image without increasing the size or the compression of data to reduce the size. In this research, twice the data size used has been hidden by hiding the data of the ‘secret’ image embedded in a ‘target’ personal image, noising the image itself. Thus the features of personal image disappear, making a hidden image and a noisy one. Different types and extensions have been chosen in this research including personal, natural, or satellite images. The personal image is used as a target image to hide other data inside it while other images are secret ones embedded in the personal image. Matlab is used to execute mosaic image algorithm.
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