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《Modular Machine Tool & Automatic Manufacturing Technique》 2011-05
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Data Processing of Scanning Beam Points-Cloud based Measuring Freeform Surface

LIU Hong,TAO You-li,FU Jia-wu(Institute of Mechanical Manufacturing Technology,Mianyang Sichuan 621900,China)  
Freeform surface reconstruction by points-cloud data is one of the key technologies of reverse engineering.Its reconstruction accuracy largely depends on the accuracy of points-cloud data processing.Based this characteristics of scanning beam points-cloud data more widely used measuring data organization,this paper described in detail including the removal of abnormal points,the data splicing and unity,smoothing and filtering,data reduction such as points cloud data processing,proposed freeform surface scanning beam points-cloud data high accuracy and high automated processing methods and processes.Examples show that points-cloud data after automatic processing can fully meet the needs of follow-up model of surface reconstruction,and can provide reliable data ensure for modeling.
【CateGory Index】: TG806
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