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点云重建方法汇总一(PCL-CGAL)
2022-07-01 15:05:00 【小修勾】
点云重建方法汇总一(PCL-CGAL)
一、前言
前几天抽空把PCL中和CGAL中常见的重建方法都跑了一下,今天在这里做一下总结。
一、主要方法:
| PCL | CGAL |
|---|---|
| 凹包 | Advancing Front |
| 凸包 | Scale Space |
| 泊松 | 泊松 |
| 贪婪 |
二、数据:
以bunny数据为例,展示重建效果
二、效果展示
2.1 PCL中实现
1、凸包重建
凸包原理和效果最直观,如下: |

2、凹包重建
其中凹包重建效果与Alpha有关,Alpha可以根据点云分辨率进行调整,下图为不同Alpha值时重建效果。 |
Alpha=0.5
Alpha=1.5
Alpha=5
Alpha=15
3、贪婪重建
贪婪重建效果如下: |

4、泊松重建
泊松重建效果如下,其中参数设置需要考虑一下。 |

2.2 CGAL中实现
1、 CGAL中重建流程如下

2、 CGAL中重建效果
1、CGAL泊松重建效果如下。 |

2、CGAL中Advancing Front方法重建效果如下。 |

3、CGAL中Scale Space方法重建效果如下。 |

三、后续
后续会将代码发布,或集成到《QT+PCL》中。
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