现代制造工程
現代製造工程
현대제조공정
MODERN MANUFACTURING ENGINEERING
2013年
9期
120-123
,共4页
曲面重构%B样条%鲁棒最小二乘法
麯麵重構%B樣條%魯棒最小二乘法
곡면중구%B양조%로봉최소이승법
surface reconstruction%B-spline%Robust Least Square Method (LSM)
利用非接触式长距离激光扫描测量技术实现对目标模型的精确测量,对测量获得的点云数据,应用鲁棒最小二乘法( Robust LSR )来拟合B样条曲线曲面,该方法对拟合曲线上不同距离的残差赋予不同权值,重复迭代进行运算。从而有效抑制噪声数据点对拟合曲线曲面的影响。
利用非接觸式長距離激光掃描測量技術實現對目標模型的精確測量,對測量穫得的點雲數據,應用魯棒最小二乘法( Robust LSR )來擬閤B樣條麯線麯麵,該方法對擬閤麯線上不同距離的殘差賦予不同權值,重複迭代進行運算。從而有效抑製譟聲數據點對擬閤麯線麯麵的影響。
이용비접촉식장거리격광소묘측량기술실현대목표모형적정학측량,대측량획득적점운수거,응용로봉최소이승법( Robust LSR )래의합B양조곡선곡면,해방법대의합곡선상불동거리적잔차부여불동권치,중복질대진행운산。종이유효억제조성수거점대의합곡선곡면적영향。
By using non contact type long distance laser scanning measurement technology to achieve the goal of accurate model -ling of the measurement ,the measurement of the point cloud data ,the application of Robust Least Squares ( Robust LSR ) to the fitting of B spline curves and surfaces ,the method of fitting curve at different distances to give different weights of residuals ,itera-tive algorithm.In order to restrain the noise data points on the curve surface effects .