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发明名称
具影像窜改回复功能之影像浮水印加入及取出方法
摘要
本发明系一种兼具影像窜改回复功能之浮水印方法,主要包含有第一/第二加入浮水印程序,令接收方可自接收的影像中撷取出NC值为1或接近1值的浮水印,并且将一影像数位资料于加入浮水印后,再嵌入窜改侦测及回复资讯于影像数位资料中,令接收方接收后可藉由该等资讯先行判断影像数位资料被窜改的区域,再针对被窜改区域进行原资讯内容的回复,令回复程度PSNR值有效提高;如此,本发明方法系提供一种兼具有高浮水印辨识度及数位内容完整度的浮水印方法。
申请公布号
TW200833112
申请公布日期
2008.08.01
申请号
TW096102962
申请日期
2007.01.26
申请人
国立东华大学
发明人
林信锋;黄毓旬
分类号
H04N7/16(2006.01);H04N1/403(2006.01)
主分类号
H04N7/16(2006.01)
代理机构
代理人
桂齐恒;阎启泰
主权项
地址
花莲县寿丰乡志学村大学路2段1号
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