無損傷葉片面積測量方法及其在溫室灌溉控制中的應(yīng)用研究.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文無損傷葉片面積測量方法及其在溫室灌溉控制中的應(yīng)用研究姓名：陳澤霖申請學(xué)位級別：碩士專業(yè)：控制科學(xué)和工程指導(dǎo)教師：徐立鴻20050201壘!!!翌垡一一一ABSTRACTInrecentyears，somescholarputforwardanewmethodtoirrigateingreenhousebyutilizinggreenhousecroptranspirationdatumInordertogetthec

2、roptranspirationdatum，wemeasuretheleafareaandleafareaindexincontrolconditiontocalculatetothespeedoftranspirationofthecropWechoosethetechnologyofbinocularstereovisionsystemforaccuratelymeasuringleafareatealizeintellectual

3、greenhouseirrigationComputervisiontechnologyhasbeenwidelyusedinmodernagricultureComparingwithindustrialimageagriculturalimagehaspoorimagingcondition，complicateobjectsandbankgrounds，whichallnotSOmuchregularandeasydescript

4、ionasindustrialpartsSothattraditionalsomepatternimageprocessmethodsaredifficulttocompetentforcomplicatedagriculturalneedofpatternprocessInordertomeasureleafareanondestructivelyundercontrollingsceneforinvestigationoncrops

5、growingandforirrigation011greenhousecropunderseedlingstage，weadoptthetechnologyofbinocularstereovisionsystemInaccordingtocolorsomeimageprocessmethodsandthetechnologyofbinocularstereovisionsystem，weproposesomewaystooverco

6、metheproblemmet1Utilizingthefuzzylogicsystemofserfadaptationt0buildacameramodelbetweenthedatainputtedanddataoutputtedwithintherangeofcertainspaceThedatainputtedarethosePictureC00rdinates崎，Y／)intheleftimagesandrightimages

7、ThedataoutputtedarethosespacecoordinatesL％，J0，乙)2Inordertoclearthenoiseandtogetadosedsmoothandcontinuouscurvewhichistheleaf’Sedgeinthepictureanewalgorithmisproposedthatistojoinpictureelementsintoalinesegment，tejectthenoi

8、selinessegmentaccordingtotherelationofgeometrypositionbetweenthelinesegmentgroups，thentoformthelinesegmentgroupsinsuccessionandt0selectthelongestlinesegmentgroupinperimeterastheleapsedgeneeded3Becauseofseriousnoiseitisim

9、possiblet0utilizegraylevelinformation(suchasgraylevel，gradientandgradientdirectionofpictureelementofpictureelementtomatchSoweproposeanewmatchingalgorithmonthebasisofthepoint’srelativepositionontheleafedgeafterWegetthelea