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Vol. 177, Issue 8, August 2014, pp. 150-155

 

Bullet

 

A Self-embedding Robust Digital Watermarking Algorithm with Blind Detection
 

1 Gong Yunfeng, 2 Cui Delong, 1, 2 Yu Guilan

1 College of Computer and Electronic Information, Guangdong University of Petrochemical Technology, Maoming, 525000, China
2 Guangdong Provincial Key Lab of Fault Diagnosis of Petrochemical Equipment, Maoming, 525000, China

E-mail: gyfdaan@126.com, delongcui@163.com, yugl660@qq.com

 

 

Received: 2 July 2014 /Accepted: 4 August 2014 /Published: 31 August 2014

Digital Sensors and Sensor Sysstems

 

Abstract: In order to achieve the perfectly blind detection of robustness watermarking algorithm, a novel self-embedding robust digital watermarking algorithm with blind detection is proposed in this paper. Firstly the original image is divided to not overlap image blocks and then decomposable coefficients are obtained by lifting-based wavelet transform in every image blocks. Secondly the low-frequency coefficients of block images are selected and then approximately represented as a product of a base matrix and a coefficient matrix using NMF. Then the feature vector represent original image is obtained by quantizing coefficient matrix, and finally the adaptive quantization of the robustness watermark is embedded in the low-frequency coefficients of LWT. Experimental results show that the scheme is robust against common signal processing attacks, meanwhile perfect blind detection is achieve.

 

Keywords: Digital watermarking, Self-embedding, Perfectly blind detection, Lifting-based wavelet transform, Non-negative matrix factorization.

 

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