发明授权
- 专利标题: Method for identifying marked images based at least in part on frequency domain coefficient differences
- 专利标题(中): 至少部分地基于频域系数差异来识别标记图像的方法
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申请号: US13049378申请日: 2011-03-16
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公开(公告)号: US08270708B2公开(公告)日: 2012-09-18
- 发明人: Yun-Qing Shi , ChunHua Chen
- 申请人: Yun-Qing Shi , ChunHua Chen
- 申请人地址: US NJ Newark
- 专利权人: New Jersey Institute of Technology
- 当前专利权人: New Jersey Institute of Technology
- 当前专利权人地址: US NJ Newark
- 代理机构: Connolly Bove Lodge & Hutz LLP
- 主分类号: G06K9/62
- IPC分类号: G06K9/62 ; G06K9/00 ; G06K9/46 ; H04K1/04
摘要:
Briefly, in accordance with one embodiment, a method of identifying marked images based at least in part on frequency domain coefficient differences is disclosed.
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