Hybrid DCT-DWT Scheme Based on Fuzzy Decision Digital Image Watermarking

Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ISCEE13_265

تاریخ نمایه سازی: 14 مرداد 1389

Abstract:

This paper propose a robust and blind digital image watermarking which uses a statistical based algorithm for embedding a binary logo into a grayscale host image. This scheme applies a combination of Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT), because of proven benefits of them in digital watermarking. Due to increasing the imperceptibility of embedded watermark, the power of watermark logo is varying in different regions of host image. The varying watermark power calculation is based on fuzzy decision. Experimental results show that the proposed method is robust under different attacks such as compression, cropping, adding noise, scaling etc..

Authors

Bijan Fadaeenia

Islamic azad university-Hamedan branch

Mahta fadaeenia

Buali sina university

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