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发明名称
Geometric information hiding method and geometric information extracting method for copyright protection of ??? ???? format based digital map, and recording mediums storing hiding and extracting programs of geometric information
摘要
申请公布号
KR101020622(B1)
申请公布日期
2011.03.09
申请号
KR20090029436
申请日期
2009.04.06
申请人
发明人
分类号
G06T17/10;H04N1/387;H04N5/913
主分类号
G06T17/10
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