WHEN SHOULD WE CONSIDER LENS DISTORTION IN CAMERA CALIBRATION

被引：40

作者：

SHIH, SW

HUNG, YP

LIN, WS

机构：

[1] ACAD SINICA,INST INFORMAT SCI,TAIPEI 11529,TAIWAN

[2] NATL TAIWAN UNIV,INST ELECT ENGN,TAIPEI,TAIWAN

来源：

PATTERN RECOGNITION | 1995年 / 28卷 / 03期

关键词：

CAMERA CALIBRATION; LENS DISTORTION; ACCURACY ASSESSMENT; ERROR BOUND; CAMERA MODEL;

D O I：

10.1016/0031-3203(94)00107-W

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This work investigates the effect of neglecting lens distortion in camera calibration, and presents a theoretical analysis of the calibration accuracy. We derived an approximate upper envelope for the 2D prediction error, which is a function of a few factors including the number of calibration points, the observation error of 2D image points, the radial lens distortion coefficient, the image size and resolution. This error envelope provides a guide line for selecting both a proper camera calibration configuration and an appropriate camera model while satisfying the desired accuracy. Experimental results from both computer simulations and real experiments are included in this paper.

引用

页码：447 / 461

页数：15

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