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A DWT-DCT Based Robust Multiple Watermarks for Medical Image

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3 Author(s)
Chunhua Dong ; Coll. of Inf. Sci. & Technol., Hainan Univ., Haikou, China ; Jingbing Li ; Yen-wei Chen

In the watermarking algorithm of the medical image, the principal problems faced are how to determine the region of interest (ROI) and improve the hiding capacity. This paper proposes a robust multiple watermarks algorithm for the medical image based on DWT and DCT, which can effectively solve the referred problems. The algorithm combines the visual feature vector of images, encryption technology with the third party authentication, and avoids the tedious process for selecting ROI. This algorithm can enhance medical image security, confidentiality and integrity in the application for the clinical. The results of experiment indicate that the watermark scheme has strong robustness, and can embed much more data compared with the existing watermarking techniques.

Published in:

Photonics and Optoelectronics (SOPO), 2012 Symposium on

Date of Conference:

21-23 May 2012