Abstract
Abstract. Nowadays, because of advances in multimedia technology, various methods have been provided for steganography in order to protect copyright. To this end, a method must be used which is highly resistant against intentional and unintentional manipulation. To reach such goal, steganography was implemented in various transform fields for robust watermarking in most proposed algorithms. In this article, after imposing scale change attacks, compression with loss, rotation, median filter, full adder Gaussian noise in standard images along with watermarking were provided using wavelet transform. In these simulations, Dabchick simple filters with length of 8 with the first level of decomposition were used to calculate wavelet transform. Also, because some parameters in proposed method depend on the main image, simulation was studied on standard images of Baboon, Barbara, Goldhill, and Peppers where PSNR was considered the minimum and it was mentioned in each cycle of test.
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