发明授权
- 专利标题: Adaptive message embedding error diffusion method
- 专利标题(中): 自适应消息嵌入误差扩散方法
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申请号: US09615494申请日: 2000-07-13
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公开(公告)号: US06700992B1公开(公告)日: 2004-03-02
- 发明人: Qing Yu , Chris W. Honsinger
- 申请人: Qing Yu , Chris W. Honsinger
- 主分类号: G06K900
- IPC分类号: G06K900
摘要:
A method of producing a halftoned digital image having an embedded message includes using a digital message and at least one digital carrier image to produce a scrambled message image, and halftoning the digital image employing an error diffusion process where noise is added to the digital image, the noise including the scrambled message image.
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