A Robust Image Watermarking Scheme Based on Discrete Wavelet Transforms
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
KBEI02_072
تاریخ نمایه سازی: 5 بهمن 1395
Abstract:
This paper presents a robust image watermarking method based on discrete wavelet transform. In this method, first, the watermark is coded with chaotic map and then embedded in the middle frequency band of the image to minimize the changes. This process improves the image continuity and robustness against different image processing attacks. Experimental results show that, the proposed method not only achieves the main objectives of watermarking successfully, but also has higher robustness against different attacks compared to the earlier works.
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Authors
Rahim Esgandari
M.S. Student Dept. Computer and Informatics Engineering Payame Noor University Tehran, Iran
Mehdi Khalili
Assistant Professor Dept. Computer and Informatics Engineering Payame Noor University Tehran, Iran