发明名称 |
IMAGE IDENTIFIER EXTRACTION DEVICE |
摘要 |
The image signature extraction device includes an extraction unit and a generation unit. The extraction unit extracts region features from respective sub-regions in an image in accordance with a plurality of pairs of sub-regions in the image, the pairs of sub-regions including at least one pair of sub-regions in which both a combination of shapes of two sub-regions of the pair and a relative position between the two sub-regions of the pair differ from those of at least one of other pairs of sub-regions, and being classified into a plurality of types based on a combination of shapes of two sub-regions and a relative position between the two sub-regions of each of the pairs. The generation unit generates an image signature to be used for identifying the image based on the extracted region features of the respective sub-regions. |
申请公布号 |
EP2420973(A1) |
申请公布日期 |
2012.02.22 |
申请号 |
EP20100764244 |
申请日期 |
2010.04.12 |
申请人 |
NEC CORPORATION |
发明人 |
OAMI, RYOMA;IWAMOTO, KOTA |
分类号 |
G06T7/00;G06F17/30;G06K9/00;G06K9/38;G06K9/46;G06K9/50 |
主分类号 |
G06T7/00 |
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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