A Survey of Digital Image Watermarking Techniques Based on Discrete Cosine Transform

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International Journal of Information Security Science
Volume:10 Issue:3
A Survey of Digital Image Watermarking Techniques Based on Discrete Cosine Transform

A Survey of Digital Image Watermarking Techniques Based on Discrete Cosine Transform

Authors : Almula SAHİN, Inan GULER

Pages : 99-110

View : 34 | Download : 13

Publication Date : 2021-09-01

Article Type : Research Paper

Abstract :In this study, a literature review was presented to examine digital image watermarking techniques based on Discrete Cosine Transform DCT . General features of the digital watermarking method, frequency domain & spatial domain techniques, and some important issues about DCT were also presented. The studies were classified according to the application methods of the DCT, the features of the watermarking technique, the watermark extraction method, robustness, and usage area. Finally, the results have shown thatDCT has increased the robustness of watermarking by providing ease of use in many methods from simple to complex, machine learning and optimization techniques would be frequently used methods for improving the studies.
Keywords : Digital watermarking, Discrete Cosine Transform, Watermark, Frequency Domain, Image Watermarking

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