秸稈覆蓋度圖像處理識(shí)別及其對(duì)出苗率的影響.pdf

1、河北農(nóng)業(yè)大學(xué)碩士學(xué)位論文秸稈覆蓋度圖像處理識(shí)別及其對(duì)出苗率的影響姓名：趙麗申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：農(nóng)業(yè)機(jī)械化工程指導(dǎo)教師：張晉國(guó)20050611DegreeofstrawstalkcoverageimageprocessingandrecognitionanditsinfluencetateofseedlingsburgeonAuthor：ZhaoLiTutor：ZhangJinguoSpecialty：Theengineeringof

2、themechanizationoffarmingABSTRACTTheprotectioncultivationasonenewcultivationwayhasalreadysolvesomequestioninmanycountries，whichhassocial，ecologyandeconomicalsynthesisbenefittofarmmachinerytechnologymeasure，alsoisaeffecti

3、veandpermanentwaytofatherthesandstormandalleviatesthedroughttoOCCULUsingmanystrawstocovertheearthisoneofmaincharacterofprotectioncultivationThiscultivationwaymakesuseofstalkandrootⅥmichprotectthesoilreducenaturalenvironm

4、enterosionandwatervaporizing，increasingthesoilorganismcontentButmanyquestionareappearedwiththestrawcoveratthesametimeToomuchstrawcovernotonlycall’tacceleratethecropgrowthbutalsoharmthecorpSoproprietystrawcoverresearchhas

5、beenthekeyquestiontestricttheprotectioncultivationThispaperchoosesthesouthofBaoding，theN01fieldofHebeiagricultureuniversityandDaxinfengvillageofBeijingastworepresentativeresearchareaIntheresearchareawetakemanypicturesabo

6、utCOITIstalkcoverandmeasuretherateofwheatseedburgeon111etestincludestwesearchcontents：(1)disposeandidentifytheimagecollectedfromthetrialfieldseparatethestrawfromthebackground(soilandwheatburgeon)Improvetheimagequalitythr

7、oughimageenhancement，filterexceptchirpandsoonaseriesofprocessing，atthesametimecalculatesthestrawstalkcoverdegree(2)analysistherelationoftheratioofwheat’sseedingburgeonandratioofstrawcoverandrelationoftheratioofwheat’ssee

8、dingburgeonandstrawstalkcoverquantityThekeychapterisimagedisposalandanalysis，alsotheimportantcontentofthetestInthecourseofimagedisposal，atfirstsampleandmetechangetheimage，secondlyorthogonaltransformation，atlastdisposethe

9、imageInordertostrengthenthediscriminationofstrawstalkandbackgroundweamendthegraygradeofpicture，linearfilteringandmedianfilteringcanremovethenoisecomingfromtheequipmentitselfandphotographyprocessInthecourseofimageanalysis