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一种双目主动立体视觉系统的目标定位算法
引用本文:罗翔,席文明,颜景平.一种双目主动立体视觉系统的目标定位算法[J].东南大学学报(自然科学版),2002,32(1):59-63.
作者姓名:罗翔  席文明  颜景平
作者单位:东南大学机械工程系,南京,210096
基金项目:国家计委 2 11工程资助项目 (2 10 2 0 0 2 0 0 1)
摘    要:首先引入主动视觉空间的概念,即用系统本身运动自由度来表达摄像焦点到空间点的视线,其次,推导了把任意摄像机图像点换到主动视觉空间的算法,最后,采用三角形测量原理对图像特征点进行匹配和定位,因为系统中的各个摄像机独立注视目标,摄像机可以采用较小的视野,这为提高定位精度提供了可能性,采用数值仿真手段对相关理论进行了验证。

关 键 词:主动视觉  立体视觉  机器人视觉系统  特征匹配  三维定位  目标定位算法  定位精度
文章编号:1001-0505(2002)01-0059-05

Scheme of target 3D point positioning for binocular active stereo visual system
Luo Xiang,Xi Wenming,Yan Jingping.Scheme of target 3D point positioning for binocular active stereo visual system[J].Journal of Southeast University(Natural Science Edition),2002,32(1):59-63.
Authors:Luo Xiang  Xi Wenming  Yan Jingping
Abstract:Firstly, a terminology called active visual space, which represents feature points by the motion freedoms of an active visual system, is introduced. Secondly, we derive an algorithm, by which all the image points in the image space of a single active camera are translated into active visual coordinates. Finally, a rule for feature point matching and positioning is proposed on the analysis of stereo triangulation. Because the cameras in this system gaze object independently, just small scene is required. This feature provides the possibility to improve the positioning precision. Numerical simulation is presented to verify the scheme.
Keywords:active vision  stereo vision  robot vision systems  feature point matching  3D point positioning
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