同济大学学报(自然科学版)
同濟大學學報(自然科學版)
동제대학학보(자연과학판)
JOURNAL OF TONGJI UNIVERSITY(NATURAL SCIENCE)
2009年
12期
1668-1672
,共5页
程效军%施贵刚%王峰%谢瑞
程效軍%施貴剛%王峰%謝瑞
정효군%시귀강%왕봉%사서
地面3维激光扫描%点云配准%配准误差%误差传播模型
地麵3維激光掃描%點雲配準%配準誤差%誤差傳播模型
지면3유격광소묘%점운배준%배준오차%오차전파모형
terrestrial 3D laser scanning%point cloud registration%registration error%error propagation model
引入摄影测量影像匹配的原理,对地面3维激光扫描仪在不同测站采集点云进行配准分析,并在此基础上探讨点云配准误差传播的规律,得出点云配准误差传播的模型.通过点云配准误差实验,验证了点云配准精度与点云模型累积误差的定量关系,从而可为点云配准的质量进行评估.
引入攝影測量影像匹配的原理,對地麵3維激光掃描儀在不同測站採集點雲進行配準分析,併在此基礎上探討點雲配準誤差傳播的規律,得齣點雲配準誤差傳播的模型.通過點雲配準誤差實驗,驗證瞭點雲配準精度與點雲模型纍積誤差的定量關繫,從而可為點雲配準的質量進行評估.
인입섭영측량영상필배적원리,대지면3유격광소묘의재불동측참채집점운진행배준분석,병재차기출상탐토점운배준오차전파적규률,득출점운배준오차전파적모형.통과점운배준오차실험,험증료점운배준정도여점운모형루적오차적정량관계,종이가위점운배준적질량진행평고.
According to theory of photogrammetry image matching, registration problems about multi-station point clouds are analyzed. Then, error propagation rules are discussed in detail and error propagation model for point clouds registration is established. By experiments, the quantitative relationship between precision of point clouds and model accumulation errors is verified, and which can be used to evaluate registration quality of point clouds.