| 发明名称 |
Color target authenticated using grayscale information |
| 摘要 |
A color target is disclosed. The color target comprises a plurality of marks or features. Each of the plurality of marks can be one of a plurality of colors. Each of the plurality of colors has a corresponding grayscale value that is spaced apart by a predetermined amount. |
| 申请公布号 |
US8610977(B2) |
申请公布日期 |
2013.12.17 |
| 申请号 |
US200913258284 |
申请日期 |
2009.04.21 |
| 申请人 |
ARONOFF JASON S.;SIMSKE STEVEN J.;HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
ARONOFF JASON S.;SIMSKE STEVEN J. |
| 分类号 |
H04N1/46 |
主分类号 |
H04N1/46 |
| 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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