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Blind Watermarking by Using Circular Input Method and Binary Image  

Kim Tae-Ho (창원대학교 공과대학 전자공학과)
Kim Young-Hee (창원대학교 공과대학 전자공학과)
Jin Kyo-Hong (창원대학교 공과대학 전자공학과)
Ko Bong-Jin (창원대학교 공과대학 전자공학과)
Park Mu-Hun (창원대학교 공과대학 전자공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.10, no.8, 2006 , pp. 1407-1413 More about this Journal
Abstract
The field of medical images has been digitalized as the development of computer and the digitalization of the medical instruments. As a result it causes a lot of problems such as an illegal copy related to medical images and property right of the medical images. Therefore, digital watermarking is used for discrimination whether the data are modified or not. It is also used to protect both the property right of medical images and the private life of many patients. The proposed theories, the Non-blind and the Blind method, have two problems. One is needed an original image and the other is using a gaussian watermarking. This paper proposes the new Blind Watermarking using binary images in order to easily recognize the results of watermark. This algorism is described that an watermark of a binary image is wavelet-transformed, and then a transformed watermark is inserted in medium-band of frequency domains of original image by the Circular Input method. This method don't have any loss when image didn't have any attack. As a result Watermark can be perfectly extracted by using this algorithm. And Maximam PSNR value is improved 3.35dB. This algorithm will be improved by using gray level image and color image.
Keywords
Blind Watermarking; Wavelet; Binary image; The Circular Input method;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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