发明名称 |
Document encoding by pixel block transformation and document decoding by overlaying |
摘要 |
A method is disclosed that generates a first plurality of blocks of pixels corresponding to pixels of a document. A second plurality of blocks of pixels is generated by transforming the first plurality of blocks of pixels, based on values of the pixels of the document to which first plurality of blocks of pixels correspond.
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申请公布号 |
US2004047467(A1) |
申请公布日期 |
2004.03.11 |
申请号 |
US20020237513 |
申请日期 |
2002.09.09 |
申请人 |
HALL JOHN M.;RITZENTHALER DAVID |
发明人 |
HALL JOHN M.;RITZENTHALER DAVID |
分类号 |
H04K1/00;(IPC1-7):H04K1/06 |
主分类号 |
H04K1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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