M.G. Alwan, I., Jasim Mohammed, F. (2016). Image Hiding Using Discrete Cosine Transform. Alustath, 27(1), 393-399.
Iman M.G. Alwan; Farah Jasim Mohammed. "Image Hiding Using Discrete Cosine Transform". Alustath, 27, 1, 2016, 393-399.
M.G. Alwan, I., Jasim Mohammed, F. (2016). 'Image Hiding Using Discrete Cosine Transform', Alustath, 27(1), pp. 393-399.
M.G. Alwan, I., Jasim Mohammed, F. Image Hiding Using Discrete Cosine Transform. Alustath, 2016; 27(1): 393-399.

Image Hiding Using Discrete Cosine Transform

JOURNAL OF THE COLLEGE OF EDUCATION FOR WOMEN
Article 1, Volume 27, Issue 1, February 2016, Pages 393-399
Authors
Iman M.G. Alwan; Farah Jasim Mohammed
Abstract
Steganography is a mean of hiding information within a more obvious form of communication. It exploits the use of host data to hide a piece of information in such a way that it is imperceptible to human observer. The major goals of effective Steganography are High Embedding Capacity, Imperceptibility and Robustness. This paper introduces a scheme for hiding secret images that could be as much as 25% of the host image data. The proposed algorithm uses orthogonal discrete cosine transform for host image. A scaling factor (a) in frequency domain controls the quality of the stego images. Experimented results of secret image recovery after applying JPEG coding to the stego-images are included.
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