Research on embedding invisible digital watermarking in ultrasonic image

Huashan Ye; Qing Shi

doi:10.1117/12.832885

30 October 2009 Research on embedding invisible digital watermarking in ultrasonic image

Huashan Ye, Qing Shi

Proceedings Volume 7497, MIPPR 2009: Medical Imaging, Parallel Processing of Images, and Optimization Techniques; 749727 (2009) https://doi.org/10.1117/12.832885
Event: Sixth International Symposium on Multispectral Image Processing and Pattern Recognition, 2009, Yichang, China

Abstract

In this paper, we proposed an adaptive watermarking algorithm to embed invisible digital watermarking in the wavelet domain of ultrasonic image. By analyzing the characteristic of detail sub-band coefficients of the ultrasonic image after discrete wavelet transform (DWT), we use the mean and variance of the detail sub-bands to modify the wavelet coefficients adaptively, and the embedded watermark is invisible to human visual system (HVS) and adapted to the original image. We can derive the just noticeable different (JND), which describes the maximum signal intensity that the various parts of image can tolerate the digital watermarking. By using this digital watermarking technique we can embed a certainty or confidentiality information directly into original ultrasonic images so that the replication and transmission of ultrasonic image can be tracked efficiently. Therefore, the copyright and ownership of ultrasonic images can be protected, which is critical for the authorization usage of the source of ultrasonic images. The experimental results and attack analysis showed that the proposed algorithm is effective and robust to ultrasonic image processing operations and geometric attacks.

Citation Download Citation

Huashan Ye and Qing Shi "Research on embedding invisible digital watermarking in ultrasonic image", Proc. SPIE 7497, MIPPR 2009: Medical Imaging, Parallel Processing of Images, and Optimization Techniques, 749727 (30 October 2009); https://doi.org/10.1117/12.832885

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KEYWORDS

Digital watermarking

Ultrasonics

Wavelets

Medical imaging

Digital imaging

Image processing

Image transmission

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