基于图像处理的玉米果穗三维几何特征快速测量.pdf

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1、208第28卷增刊22012年10月农业工程学报TransactionsofchechineseSocie够ofA鲥cultllralEngineeringv01．28Supp．20ct．2012Rapidmeasurementfor3Dgeometricfeaturesofma娩eear■1●Dased0nlmageprocesslng卜1aQinl，】-ang]-ngta02※，ZhuDehail，LiShaomin91，MeiShu

2、-1，№YOngChunln．cotlege《I琏formnlion姗dElec打icnlEngmeering

3、．ChtndA眇icutturdlUnivers渺，BeOtngChi峨2．college《Mech讲“cat∞tdEiec打{c矗Engineer{ng．QingdnoAgrictlltHr矗Universif)，，Qin罾dQo，Chin∞Abstract：Atpresent，the3Dgeometricfeatllresofmaizeear(suchasearv01ume，earshape，etc)areusuallymeasllredbyhandduringthebreedingprocess，whichneedsalotofworkfor

4、ce，Inaddition，thesubiectiveerrorsarenoteasytobeavoidedandtheemciencyofmanualmeasurementisverylow．Inthispaper'arapidmeaSurementmethodfor3DbreedjngfeatI】reofmultiplemaizeea耶isrealizedbasedonimageHSVcolorspace．Firstly，theexactcomoursofmultiplemaizeearsareeXtractedrapidlybasedontl

5、leHSVhisto群锄thresholdsegmentationalgorithm．Andtllesegmentationalgorimmissuitableforarbitrarilyplacedmaizeears．Secondly，basedonthedbtainedminim岫extenorrectangleofearcontourandcumulatives姗procedureofcon七oursections，therapidaIldaccuratemeasurelnentOft【∽edimensionalgeometricfbatur

6、eofmaizeearisreaIized．Finally，takingtheZD958andNHlolforexamples，theaboveaIgorithmisverified．Themeasur锄emaccuracyofearvolumecanreachto94％．Theerrorcausesarealsoanalvzed鼬her．Thealgorimmpmposedin廿1ispapercanmeasurethe3Dbreedingfbaturesofmultiplemaizeearsr印idlyand舒eatlyimprovetheev

7、aluationemciencyofmaizeVa—eties．Keywords：imagese肿entation，measllrements，Ⅱlreedjmensional，geometricfeature，HSVc010rspace，maizeeardoi：10．3969／i．issn．1002—6819．2012．z2．036CLCnumber：TP391．41Documentcode：AArticleID：l002—6819(2012)一Supp．2一0208—05MaQin，JiaIlgJin垂a0，ZhuDehai，eta1．R印id

8、measurementfor3Dgeometricfeaturesofmaizee盯basedonimageprocessing[J】．TransactionsoftheChineseSociet)rofAgriculturalEn百neering(1、ransactionsoftheCSAE)，2012，28(supp。2)：208—212．(inEn—ishwjthCbineseabstract)马钦，江景涛，朱德海，等．基于图像处理的玉米果穗三维几何特征快速测量[J]．农业工程学报，2012，28(增刊2)：208—212．0Introduc

9、tionDuringthebreedingprocess，methreedirllensionalgeometricfea