机载三线阵影像匹配方法分析

《机载三线阵影像匹配方法分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、万方数据methodconstrainedbyPOSdata．Firstly,establishagridinthereferenceimageandfindoutacentralpointineachgrid；AccordingtotheADS40projection，projecttheseparticularpointstomatchimagestoobtainacertainnumberofprojectionpointsandformqusi—eipipolarline．Thencenteredontherespectivepointsoft

2、hereferenceimageandqusi—eipiploarline，establishcorrespondingSIFTfeaturesandmatchingareatogetthefinalmatchresults．(2)Multi—imagesmatchingbasedonspaceandgeometricconstraint．Inthelightoftheproblemthatthelowefficiencyoftraditionalglobaldensematchingmethod，thethesisusethelocalcorrela

3、tioncoefficienttomatch，whichCanobtainalargenumberofcorrespondingpointsquicklytorebuildterrain．Firstly,thereferenceimageisdividedintoevenlygridswithacertainsize，andthenthegridpointsareconvertedtoobjectspacepointsofacertainelevationrangebygeometricrelationshipandback—projectontoal

4、lsearchimagestoobtainthecorrespondingqusi—eipipolarline．Afterthat，usingthecorrelationcoefficientasthematchingmeasure，matchthereferenceimage鲥dpointswiththepointsoneipipolarlineonebyone．Finally,takingallmatchingpointstoobtainobjectspacepointsbyforwardintersection，thenbackprojectth

5、emtothereferenceimage，comparingtheprojectionpointswithcorrespondingmatchpoints．Ifthedifferencevaluemeetthethresholdcondition，thensaveitasthefinal万方数据matchpoint．Theexperimentresultsshowthattheproposedmethodcouldimprovethematchingreliabilityeffectivelycomparedtotraditionalimagemat

6、chingmethod，andcarlaccessalargenumberofcorrespondingpointsfast，meettheneedsoftheterrainreconstruction．Keywords：ADS40image；qusi—epipolarline；SIFTmatching；multi-imagematching；imagematchingbasedoncorrelationcoefficientwithgeometricconstraints；Classification：P231万方数据目录原创性声明⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．I摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一IIAbstract．⋯⋯⋯．⋯⋯．⋯⋯．⋯．．。．⋯．⋯．．．．．。．⋯．．．．．．．．．．．．．．．⋯⋯．⋯．．．．⋯．⋯．．．．．．．⋯．⋯⋯．．．．．．．．⋯⋯．⋯III1绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1引言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．2影像匹配方法综述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．3三线阵影像匹配方法的国内外研究现状⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．41．4论文结构与内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯