摘要
为了修正广角镜头的桶形畸变,提出了一种基于多项式的修正方法,该方法首先用模板对广角镜头进行相对标定,然后用四次多项式拟合桶形畸变规律,最后根据拟合多项式对变形图像进行恢复。对于固定焦距视觉系统,在不考虑视觉系统具体参数的情况下,新的方法能够快速有效地对广角镜头桶形畸变进行修正。该方法在实验中表现出了良好的效果。
In order to correct the barrel distortion due to wide-angle lenses, a new method based on a polynomial is proposed. The wide-angle lens is relatively calibrated by a template, and then the quartic polynomial is used to fit the rules of barrel distortion. The distortion image is restored according to the fitting polynomial. For the vision system with fixed focal length, the method can correct the barrel distortion rapidly and efficiently without taking into account the parameters of the vision system. The new method produces good effect in experiment.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
北大核心
2007年第12期1571-1574,共4页
Journal of Hefei University of Technology：Natural Science
关键词
广角镜头
桶形畸变
多项式
wide-angle lens
barrel distortion
polynomial
