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一种基于直线的目标模型
Alternative TitleObject model based on straight line
朱枫; 秦丽娟; 郝颖明; 周静; 欧锦军; 付双飞
Department光电信息技术研究室
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司
Country中国
Subtype实用新型
Status未缴年费
Abstract本实用新型公开一种三维物体定位的目标模型,用四棱锥模型定位能够获得精确的三维物体的深度和姿态信息。四棱锥目标模型的四个侧面及放置底面是黑白相间的颜色,四棱锥目标模型上含有十二条直线,四棱锥目标模型以正方形底面绕轴心旋转45度摆放。结合模型,设计了一种定位算法。对于四棱锥目标模型上任意三条交于两点的直线(其中:两个交点与摄像机光心的距离不相等),根据直线之间的角度信息和直线的长度信息,建立定位数学模型。对该模型,基于几何意义并结合步长加速法进行求解。本实用新型具有图像处理容易、抗遮挡能力强、选线自由、定位精度高、定位算法简单和实时性强的优点。
Other AbstractThe utility model discloses an object model for three-dimensional object positioning. Accurate information about depth and posture of the three-dimensional object can be obtained with a pyramid model positioning. The color of four lateral sides and a displacing bottom surface of a pyramid object model is white-black, the pyramid object model contains twelve straight lines, and the pyramid object model is displaced while the square bottom surface rotating 45 degree around the axle center. A positioning algorithm is designed combined with the model. As for any three straight lines on the pyramid object model which intersect at two points(wherein, two points of intersection has different distance with a camera photocenter), a positioning mathematic model can be established according to angle information between the straight lines and length information of the straight line. The model can conduct solving combined with step acceleration method based on geometric significance. The utility model has the advantages of easy picture processing, strong anti-shading capability, free line-selection, high positioning precision, simple positioning algorithm and strong timeliness.
description.patentprioritydataCN20062153561U
PCT Attributes
Application Date2006-12-08
2008-03-19
Date Available2008-03-19
Application NumberCN200620153561.6
Open (Notice) NumberCN201037936Y
Language中文
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/13472
Collection光电信息技术研究室
Affiliation中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
朱枫,秦丽娟,郝颖明,等. 一种基于直线的目标模型[P]. 2008-03-19.
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