Image Spread Spectrum Watermark Technique Based on Digital Holography and Ridgelet Transform

Jian Ping Huang; Guo Xiang Song

doi:10.4028/www.scientific.net/AMM.58-60.1953

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Image Spread Spectrum Watermark Technique Based on Digital Holography and Ridgelet Transform
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Inner and Outer Eye Corners Detection for Facial Features Extraction Based on CTGF Algorithm
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 58-60Image Spread Spectrum Watermark Technique Based on...

Image Spread Spectrum Watermark Technique Based on Digital Holography and Ridgelet Transform

Abstract:

A novel image watermarking algorithm based on digital holography and ridgelet transform was designed by taking the advantage that ridgelet transform domain is a most suitable representation of image’s linear outline edge features. Firstly, the image was divided into blocks, and each block was transformed by finite ridgelet transformation. Secondly, the digital holography watermark that is got with the spread spectrum technique is embedded into the most energetic coefficients of ridgelet . A correlation function is used in the watermark detection process and the original image is not required.Experimen result show the watermark is robust to noise,medial filtering and JPEG2000 lost compression.By comparating respectively with paper[4] and paper[5],the result shows the proposed algorithm is more superior to them.

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Periodical:

Applied Mechanics and Materials (Volumes 58-60)

Pages:

1953-1958

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.58-60.1953

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Online since:

June 2011

Authors:

Jian Ping Huang, Guo Xiang Song

Keywords:

Blind Extraction, Digital Holography, Finite Ridgelet Transform, Robust, Spread Spectrum Modulation

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