发明名称 |
Distance estimation from image motion for moving obstacle detection |
摘要 |
Distance from a moving image capture device to one or more points is determined. An optical flow is calculated from a first image and a second image captured by the moving image capture device. The horizontal component of the optical flow is used to generate a horizontal distance map including horizontal distances and the vertical component of the optical flow is used to generate a vertical distance map including vertical distances. Horizontal weights are applied to the horizontal distance map to generate a modified horizontal distance map where horizontal distances proximate to a vertical line intersecting a focus of expansion are attenuated. Vertical weights are applied to the vertical distance map to generate a modified vertical distance map where vertical distances proximate to a horizontal line intersecting the focus of expansion are attenuated. The modified vertical distance map and the modified horizontal distance map are then summed. |
申请公布号 |
US8351653(B2) |
申请公布日期 |
2013.01.08 |
申请号 |
US20100869629 |
申请日期 |
2010.08.26 |
申请人 |
HONDA MOTOR CO., LTD.;NISHIGAKI MORIMICHI |
发明人 |
NISHIGAKI MORIMICHI |
分类号 |
G06K9/00 |
主分类号 |
G06K9/00 |
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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