弹性图像配准方法在气象图像中的应用

《弹性图像配准方法在气象图像中的应用》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、南京理工大学硕士学位论文弹性图像配准方法在气象图像中的应用姓名：邱军申请学位级别：硕士专业：计算机应用技术指导教师：顾一禾20070601硕士论文弹性图像配准方法在气象图像中的应用ABSTRACTImageregistrationisahottopicincomputervisionandpaRemrecognition,ithasgreatvaluesinmedicalimagingandmultimodalimagefusion．Imagereg!istrationwhichCanmappoints(orsurfac

2、e)fromoneimagetohomologouspointsonanobjectsinthesecondimagesisoneofthefundamentaltasksinimageprocessing，andthenfusionthemintoanewimage．Inthispaper,inallusiontotheimagingofthetiroswhichproducerigiddeformationandnonrigiddeformation，wereviewdifferentmethodsinimagere

3、gistration,includerigidandnonrigidregistration．andproposeafewamelioration嬲followed．1．Duetothecharacteristicoftheweatherimage,ahierarchicaltransformationmodelofthemotionoftheimagehasbeenintroduced．Theglobalmotionoftheimageismodeledbyanaft'metransformationwhichrise

4、therigidregistrationbasedonForstnerinterestingo伴粕幻r’whilethelocalimagemotionisdescribedbyafree—formdeformation(FFD)basedonB—splines．2．Intherigidregistrationprocess，weimproveonthedistancerestrictalgorithm．Asuitablethresholdadjustmethodisaddtotheconvemionalalgorith

5、m．ComparewitIltheconventionaldistancerestrictalgorithm,theimprovingmethodismoreall-purpose,andCanbetterremovingthefakematchingpoints．3．Inthenonrigidregistrationprocess，weproposeanewstrategytoupdatingthecontrolpointgrid(CPG)andthegridareaintensity,whichupdatetheCP

6、Gandlocalareaintensitystepbystep，andtheresultisusinginthenextcomputing．Experimentsprovethatthenewstrategydecreasethenmtimeofthenonrigidregistrationvisible．Inthispaper,thealgorithmhasbeenappUedtothefullyautomatedregistrationofweatherimages，theresultclearlyindicate

7、thattheapproachweproposedCanwellrecoverthemotionanddeformationoftheweatherimages．Keywords：RigidRegistration，NonrigidRegistration，ForstnerOperator,B—Spline，FFDModel，NormalizedMutualInformationⅡ声明本学位论文是我在导师的指导下取得的研究成果，尽我所知，在本学位论文中，除了加以标注和致谢的部分外，不包含其他人已经发表或公布过的研究成果，

8、也不包含我为获得任何教育机构的学位或学历而使用过的材料。与我一同工作的同事对本学位论文做出的贡献均已在论文中作了明确的说明。研究生签名：如刁年‘月珂El(1学位论文使用授权声明南京理工大学有权保存本学位论文的电子和纸质文档，可以借阅或上网公布本学位论文的全部或部分内容，可以向有关部门或机构送交并授权其保存、借阅或上网