摘要
基于摄像机透视成像的针孔模型,分析了立体视觉中摄像机标定和三维重建过程的主要误差来源。基于各主要误差源的模型分析,建立了双目视觉系统3D测量误差与摄像机参数、基线长度、测量距离等因素之间的关系式。如已知相关参数,可以估算出双目视觉系统的3D测量精度,或根据3D测量精度要求,初步确定摄像机的内部各项参数和基线长度、测量距离等参数。
Various error sources of binocular stereo system are analyzed based on pinhole camera model for estimation of the depth error. The relationship between the depth error of a stereo vision system and other factors such as baseline, depth and camera parameters, are presented. The computation of the precision of stereo vision is also discussed. The proposed method is able to approximate depth error according to the camera parameters or compute the camera parameters according to the predetermined precision.
出处
《光学技术》
CAS
CSCD
2003年第3期354-357,360,共5页
Optical Technique
