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基于离心圆共自配极三角形的光场相机标定
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基于离心圆共自配极三角形的光场相机标定
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Journal Article
基于离心圆共自配极三角形的光场相机标定
2021
Overview
TP391.4; 光场成像存在空间和角度分辨率折衷问题,导致从光场中提取角点及直线特征的精度不高,影响光场相机标定精度,为此提出了一种基于离心圆共自配极三角形的光场相机标定方法.分析了离心圆极点-极线关系,推导了离心圆共自配极三角形的性质.根据光场相机多投影中心模型对平面及二次曲面的映射,设计了一种离心圆标定板,重建了共自配极三角形并计算平面单应,实现了基于离心圆共自配极三角形的光场相机标定的线性初始化和非线性优化方法.仿真和真实数据上的实验结果表明该方法可精确标定光场相机,且稳定便捷.
Publisher
西北工业大学计算机学院,陕西西安 710072
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