Acta Geodaetica et Cartographica Sinica ›› 2024, Vol. 53 ›› Issue (6): 1025-1036.doi: 10.11947/j.AGCS.2024.20230447
• Smart Surveying and Mapping • Previous Articles Next Articles
Dong WEI(), Xinyi LIU(), Yongjun ZHANG
Received:
2023-09-30
Published:
2024-07-22
Contact:
Xinyi LIU
E-mail:weidong@whu.edu.cn;liuxy0319@whu.edu.cn
About author:
WEI Dong (1992—), male, postdoctor, majors in 3D line cloud reconstruction and applied research. E-mail: weidong@whu.edu.cn
Supported by:
CLC Number:
Dong WEI, Xinyi LIU, Yongjun ZHANG. The technology and intelligent development of 3D line cloud reconstruction from multiple images[J]. Acta Geodaetica et Cartographica Sinica, 2024, 53(6): 1025-1036.
Tab.1
An overview of the recent line reconstruction algorithms"
算法 | 特点 |
---|---|
文献[ | 三维线段的反投影检验中使用纹理强度评价,不依赖直线提取结果;可获取较多数量的三维线段,但运行速度慢 |
Line-sweep[ | 采用匹配点引导的扫描匹配策略,效果稳健且计算复杂度低 |
文献[ | 基于线段编组的平面约束纠正错误前方交会;匹配过程不需要影像的初始位姿;可以重建出较多且规整的三维结构;运行速度未知 |
Line3D++[ | 并行匹配,运行速度较快;使用点线联合的光束法平差优化了重建精度;但严格的单一阈值融合策略使得线云数量较少 |
文献[ | 利用深度学习改善两视前方交会沿核面的误差问题;可以重建较多的线段;但深度学习策略的泛化性有待考察 |
ELSR[ | 利用CPU多线程加速,大场景重建速度快;线云数量较多;但单一融合阈值与代表线段获取的线云仍需要进行进一步的精度优化 |
文献[ | 利用多尺度策略改进了线段提取算法;可重建出更多的三维线;并在此基础上进行了建筑物重建 |
Linemap[ | 支持不同的线段提取与匹配算法组合;引入灭点与特征点优化精度;数量与精度表现较好;速度有待优化 |
文献[ | 使用深度图提升速度与精度;数量与质量上都有较好的表现;对三维网格优化进行了应用 |
SLAM[ | 增量式重建;需要窄基线像对 |
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