Indian Streams Research Journal

Volume : XIV, Issue : III, April - 2024

DIGITAL WATERMARKING IN THE FRACTIONAL HARTLEY DOMAIN

Vasant Gaikwad, -

By : Laxmi Book Publication

Abstract :

Digital watermarking aims to balance quality and robustness, crucial for effectiveness, despite their inversely proportional nature. Spatial domain mbedding enhances quality but diminishes robustness, whereas frequency domain embedding prioritizes robustness over quality. Utilizing common image transforms like DCT, DFT, and DWT improves robustness, enabling multiple watermark embeddings. The proposed non-blind watermarking algorithm utilizes the DFRHT transform for integration into host and watermark images, evaluated through coefficient addition.

Keywords :

• Digital watermarking
• Singular Value Decomposition
• Fractional Fourier
• Fractional Hartley transform,

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References :

2. 1. A.M.Abdelhakim, M.H.Saad, M.Sayed and H.I.Saleh, Optimized SVD-based robust watermarking in the fractional Fourier domain, Multimedia Tools Applications, 77(2018), 27895-27917.
3. 2. T. Alieva, V. Lopez, F. Agullo-Lopez and L.B. Almeida, The fractional Fourier transform in optical propagation problems, Journal of Modern Optics, 41(5)(1994), 1037- 1044

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