三维激光彩色扫描系统关键技术研究

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1、华中科技大学硕士学位论文三维激光彩色扫描系统关键技术研究姓名：温宇强申请学位级别：硕士专业：模式识别与智能系统指导教师：李德华2003.5.10华中科技大学硕士学位论文=l=目==；_=l=；E#；；=#；；=；=；％=g目E目=jz；自目E目；==。幅深度图融合到一个网格中，使配准后的各深度图用一个统一的网格来表示·本文用了拉链法融合数据，介绍了算法的实现，并给出了实验结果．f以上就是本文研究的主要内容，该项研究已取得了重大进展，产生了明显的实际＼成效·力”1／关键字：手氆瑶取激光线多趱角深度图融合数据配准表面拼合，●●__。一h——d_-_‘___～，‘～、～n华中科技大学硕士

2、学位论文Abstract1hree．dimensionallasercolorscanner(3dlcs)isanoptics，mechanismelectricityintegratedhightechnicalproducttoacquire3Dandcolorinformationofobject,theresearchanddevelopmentofindustrializationproductof3dtcsisahardwork．Thisthesisstudiesseveralkc)’mehniqueof3DLCS，including：studyingtheoryand

3、applicationofextractlaserstripeandselectingthesamplingpointfromthree-dimensionalgeometrymodelandregistrationandfusionofrangeimageThepositionandcolorinformationareacquiredfrom2dimensionalimagesequence．Tocalculatespaceinformation，wemustlocatelaserstripeaccurately．Sothatwemasttreatwiththeproblems

4、inimageprocessfield．Becauseoftheshapeandreflectioncomplexityofscannedobject，locatinglaserstripeaccuratelybecomeaproblemhardtotreatwim．Thenoisecanmarcthestripetwitterbyawidemargewhichaffecttheapperenceoftheobjectgreatly．Ifwemakeamendmentonthealgorithm，wecail’tsolvetheproblembutmakethealgorithmm

5、orecomplexandunstable．Inthethesis，intensivestudyhasbeenmadeonthisissue．Wcputforwardmanuallylocatinglaserstripemethodbaseontraditionalautomaticextractinglaserstripemethod．Whenwescantheobjectusingrangefinder,weneedseveralSCanStoacquiretheclosesurfaceofobjectbecauseoftheself-obstruct．Wegetarangei

6、magewitheachscan．Formostsystem，eachrangeimagebuildacoordinatesystemaccordingtothepositionofrangefinder．AlthoughWeCangetalltheinformationabouttheobjectsurfacefromthoserangeimages，wecan’tnsethemeasily．Becausethedatadistributeintoseveraldifferentcoordinatesystems．．Totransfordataformdifferentcoord

7、inatesystelstoacomnloncoordinatesystemisthegoalofregistration．．WcemployICPalgorithminregistration,anddiscussthetwomaintechniqueofICPinthethesis．meselectionofinitialvalueforICPandtheselectionofpoint·pairinICP．Wealsoposeexperimentationres