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Normalized correlation coefficients between the extracted and the embedded watermark pattern is calculated to determine whether there is watermark. The decision about the presence\/absence of the watermark pattern is then determined by a threshold which is set 0.13, and the detection rate of 241 pictures is about 0.79.<\/jats:p>","DOI":"10.4018\/ijdcf.2019100103","type":"journal-article","created":{"date-parts":[[2019,9,27]],"date-time":"2019-09-27T10:10:22Z","timestamp":1569579022000},"page":"28-49","source":"Crossref","is-referenced-by-count":3,"title":["A Blind Print-Recapture Robust Watermark Scheme by Calculating Self-Convolution"],"prefix":"10.4018","volume":"11","author":[{"given":"Mengmeng","family":"Zhang","sequence":"first","affiliation":[{"name":"Beijing Key Laboratory of Advanced Information Science and Network Technology, Beijing Jiaotong Univ, Beijing, China"}]},{"given":"Rongrong","family":"Ni","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Advanced Information Science and Network Technology, Beijing Jiaotong Univ, Beijing, China"}]},{"given":"Yao","family":"Zhao","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Advanced Information Science and Network Technology, Beijing Jiaotong Univ, Beijing, China"}]}],"member":"2432","reference":[{"key":"IJDCF.2019100103-0","unstructured":"Anthony, T. S. Ho, & Shu, F. (2003). A Print-and-scan Resilient Digital Watermark for Card Authentication. In Joint Conference of the 4th International Conference on Information, Communications and Signal Processing\/4th Pacific-Rim Conference on Multimedia (pp. 1149-1152)."},{"key":"IJDCF.2019100103-1","doi-asserted-by":"publisher","DOI":"10.1109\/ISECS.2008.68"},{"issue":"3","key":"IJDCF.2019100103-2","first-page":"483","article-title":"Copyright Protection against Print-and-Scan Operations by Watermarking for Color Images Using Coding and Synchronization of Peak Locations in Frequency Domain.","volume":"22","author":"Y. 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