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1、———————————————塑!.一.1ightfielddatacodingmethod,usingthecodingmethod,theone-to.onecorrespondencerelationshipbetweenpixelsandmicrolensweredetemined.Finally,usingthefrontresultsofthecodingalgorithm,andbasedongettingimagesofdifferentangleofviewwithaseriesofsubimage,thispaperproposesamoreeff
2、ectivemethodtoextractdepthinformationagainstlightfieldimaging,whichmainlybasedonthethoughtofimagesegmentation,colorsegmentation,theg州ientprojectionandimagefusion.ThismethodCallsuccessfullyusedfordepthinf.onnationacquisitionindisparitymapobtainedbyLytrocamera.Withintheframeworkoftheconte
3、ntsoftheaboveresearch,paperSUSeSMatlabwrotethealgorithmoflightfielddatacoding,imagesegmentation,depthinformationextraction,digitalrefocusingandSOon.Usingthosealgorithmstoprocesslightfielddata,theresultsshowsthattheproposedcodinganddepthinformationex缸.a(chǎn)ctionalgorithminthispaperisreasonab
4、leandcallbeusedinimagesegmentationanddepthinformationacquisitionaccurately,andcomparedwiththeexistingalgorithms.theaccuracyperformanceofdepthinformationismoresuperior,whichprovidesastrongguaranteefortheprecisionof3-Ddatareconstruction.Keywords:LightfieldcameraDepthmapStereomatchingDigit
5、alrefocusingII目錄摘要???????????????????????????一IAbstract??????????????????????????????????..Il緒論???????????????????????????????????11.1光場(chǎng)成像的研究背景?????????????????????.11.2光場(chǎng)成像的發(fā)展?fàn)顩r?????????????????????.11.2.1光場(chǎng)成像的研究歷程???????????????????????。11.2.2光場(chǎng)相機(jī)與傳統(tǒng)相機(jī)的比較????????????????????..31.2.3光場(chǎng)
6、相機(jī)1.o簡(jiǎn)介?????????????????????????31.2.4光場(chǎng)相機(jī)2.0簡(jiǎn)介?????????????????????????71.3課題研究?jī)?nèi)容和預(yù)期結(jié)果???????????????????.81.4論文結(jié)構(gòu)安排????????????????????????.92深度提取的方法及理論??????????????????102.1主動(dòng)深度提取的方法?????????????????????102.1.1飛行時(shí)間法???????????????????????????102.1.2三角測(cè)量法???????????????????????????10
7、2.1.3結(jié)構(gòu)光法????????????????????????????112.2被動(dòng)深度獲取的方法?????????????????????1l2.2.1陰影法?????????????????????????????一112.2.2聚焦法?????????????????????????????122.2.3散焦法?????????????????????????????122.2.4立體視覺法???????????????????????????122.3立體視覺法步驟???????????????????????132.3.1圖像獲取???