基于立體視覺的樹木圖像深度信息提取研究.pdf

1、南京林業(yè)大學(xué)碩士學(xué)位論文基于立體視覺的樹木圖像深度信息提取研究姓名：馬凱申請學(xué)位級別：碩士專業(yè)：檢測技術(shù)與自動化裝置指導(dǎo)教師：周宏平20070601DepthInfoAcquisitionforTreeImagesBasedonStereoVisionAbstractPresentlytheforestryplantdiseasesandinsectpestsrestrictdevelopmentofforestationviresce

2、nceandentironmenthoweverthechemicaltreatmentasthetraditionalsolutionisofverylowefficiencySo，developingprecisionpesticideapplicationmethodsbasedonmachinevisiontechniqueisnecessaryBecausethetreeofprecisionpesticideapplicat

3、iontechniqueisthe3Dobjectthemethodofadjustmenttosprayingrangesaccordingtoindividualdepth(distance)infoofdifferentpositionoftreecrownwassuggestedinthispaperFirstlytheauthordevelopedabinocularstereovisionsystemwithparallel

4、opticalaxesbasedontreeimagesaccordingtoprecisionpesticideapplicationtechnique，binocularstereovisionbasicprincipleandparallelopticalaxesvisionmodeLThissystemincludedtwosteps：ominecameracalibrationandonline3Dreconstruction

5、Secondlycameramodel，cameraealibrationandmanycalibrationmethodsWleleresearchedandwecalibratedcamerasbyTsaitwostepsmethodandthengotinnerandexternalparametersofthecamerasTheseparameterscanbeusedt0rectificatethedistonedtreei

6、magesFinallyLoGfiReringoperatorwasusedtopreprocessthesimulatingtreeimages。gainedidealstereodisparityimagemakeuseofareacorrelationmatchalgorithmbasedORepipolar1inerestrictionfeaturerestrictionandconsistencyrestriction，usi

7、ngVCasthedevelopmentplatformthroughOpenGLcompletetreeimage3DreconstructionTheresearchachievementinthepapercanprovidevaluableexperiencesboththeoreticallyandpracticallyforimplementofdimeusioualprecisionpesticideapplication