基于計(jì)算機(jī)圖像處理的黃瓜缺素判別的研究.pdf

1、江蘇大學(xué)碩士學(xué)位論文基于計(jì)算機(jī)圖像處理的黃瓜缺素判別的研究姓名：張偉申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)電氣化與自動化指導(dǎo)教師：毛罕平20030615江蘇大學(xué)碩士學(xué)位論文ABSTRACTThemainpurposeofthispaperist0diagnoseintellectiVelybycomputerimageprocesstechnologyplantdiseasesItinvolvesinknowIedgesuchasimagepro

2、cess、plantphysiology、chroma、patternrecognitionetcThemaincontentsofthestudyareasf01lows：(1)TheequipmentofcultivatingthenutrientdeficiencycucumberswasdevelopedNutritiOndeficiencyfbrcultiVatingsampIeswasselectedandthesample

3、wasbroughtupandtakenpicturefbrfhrtherresearchBasedondifferentilluminantcondition，thenutritiondeficiencyleaVesweretakenimageforresearchbytheadjustablebrightboxandcomputerimageprocessingequipment。(2)Dif詫rentimagepreprocess

4、ingwayswereusedforimageofthesampleswhichwereshortofN、K、FerespectiVelyImageprocessingwindowwassetupandtheimagewasflattedforreducingnoiseInordertoextracttheimagefeaturesforfurtherrecognitionresearch，itwasnecessaryt0separat

5、etheleavesfrombackgroundandnormalpartfromnutrientdenciencyp盯tResuItsshowedthatgraylevelthresh01dingandOSTUthresholdingmemodcangetasatisfactorysegmentation(3)Afewfamiliarchroma5ystemswerecomparedandhueHwasputforwardascolo

6、rfeatureparametertorecognizenutritiondeficiencyleaVesThepaperstudiedthemethodofhuehistogramfbrstatisticalfeatureparametersandpercenthistogramforextractingleaVesfeatureAthresholdofhuehistogramwasbuiltt0distinguishthenutri

7、tiondeficiencyleaVesandnormaIleavesAaIgorithm0fgrayco—matrixandwaVeIetdecompositionmethodwasstudiedforextractingtexturefcatureofleaVesThepaperdistinguishedthedif托rentfbanlresbetweentheoldJeavesandfeshoneundernutritiondef

8、iciencyandnormalconditionTheregulationoftheNutritiondeficiencysymptomchangingalOngwiththetimewasresearchedBasedonthelaw，F(xiàn)ourfeatureparameterswerese】ectedasVectorparame把rofpattemrecognitionforrecognizingdiseaseleavesandno