I-LIANG CHERN2018-09-102018-09-102002http://www.scopus.com/inward/record.url?eid=2-s2.0-0036651037&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/296407Enhancing image watermarking methods with/without reference images by optimization on second-order statisticsjournal article10.1109/TIP.2002.800895