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RANSAC提取平面(MATLAB内置函数)
2022-06-11 20:56:00 【dayuhaitang_galaxy】
一、简介
MATLAB中存在内置的RANSAC提取平面的函数,虽然功能和PCL、CloudCompare中的RANSAC方法略显粗糙,但也已经可以满足我们的要求。
该内置函数是RANSAC算法的一种变体,它最大的优势就是使用了最大似然方法(MLE)来评估外部点的误差,而不是仅仅依赖于内部点的数量。
二、相关参数
maxDistance:内点到平面的最大距离,指定为标量值。指定距离的单位要与点云的单位一致。referenceVector:参考方向约束,指定为1 × 3向量。maxAngularDistance:拟合平面的法向量与参考方向之间的最大绝对角距离,以度为单位的标量值指定。
此外还有更多的参数设置可以查看MATLAB的帮助文档。
三、实现代码
FitPlane.m
clc
clear
close all
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