发明授权
- 专利标题: Spatial transforms from displayed codes
- 专利标题(中): 从显示的代码空间转换
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申请号: US11067948申请日: 2005-03-01
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公开(公告)号: US07477784B2公开(公告)日: 2009-01-13
- 发明人: Jian Wang , Liyon Chen , Yihua Xu , Yingnong Dang , Zhouchen Lin
- 申请人: Jian Wang , Liyon Chen , Yihua Xu , Yingnong Dang , Zhouchen Lin
- 申请人地址: US WA Redmond
- 专利权人: Microsoft Corporation
- 当前专利权人: Microsoft Corporation
- 当前专利权人地址: US WA Redmond
- 代理机构: Perkins Coie LLP
- 主分类号: G06K9/62
- IPC分类号: G06K9/62 ; G06K9/40
摘要:
A method and apparatus for performing EIC pattern analysis is described. Pattern feature extraction is performed followed by EIC symbol segmentation. A system may later use the result from the pattern analysis to determine a location of a captured image in relation to a larger array of EIC symbols.
公开/授权文献
- US20060204101A1 Spatial transforms from displayed codes 公开/授权日:2006-09-14
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