关键词:向日葵花盘测量;直径;面积;尖端包裹法;纹理分割中图分类号:TP391.4;S565.5文献标志码:A文章编号:1004-3268(2019)10-0162-12DiameterandAreaMeasurementofSunflowerFaceplateZHANGWeizheng,YINChangkui,JINBaohua,ZHANGWeiwei,LIUYan,CHENQiqiang,JIANGKeke(ZhengzhouUniversityofLightIndustry,Zhengzhou450002,China)Abstract:Toprovideparametersandbasisforsubsequentstudiessuchasflowerphenotypiccharacteristics,pollinatorinteraction,andyieldestimation,thediameterandareaofsunflowerfaceplateweremeasured.Throughthespecialbackgroundboardandshieldingboard,theimageofsunflowerfaceplatewascollectednon-destructivelyinthefield,andtheimagewasautomaticallytransformed.Thetippointofthecontourofthefaceplatewasfound,andthedifferentradialdiametersofthesunflowerfaceplateweremeasuredbythetipwrappingmethod,toestablishtheaveragediameterofthesunflowerfaceplate.Theareaofthesunflowerdiscwasestablishedbyoperationssuchastexturesegmentation,morphologicalopeningandclosingoperations,andtheaveragediameterofthesunflowerdiscwascalculated.Therecommendednumberofsamplingmeasurementsfortheaveragediameterofthesunflowerfaceplatewas32.Predictionmodelsfortheaveragediameterandareaofsunflowerfaceplateanddiscwereestablished.Theresultsshowedthat,thedeterminedcoefficientsoftheaveragediameterpredictionmodelsofthesunflowerfaceplateanddiscwere0.991and0.999respectively,andthedeterminedcoefficientsofthepredictionmodelsoftheareasurroundedbythetipcontourofthefaceplateandtheoriginalcontourwere0.942and0.935.Thetipwrappingmethodproposedmeasuredthediameterandareaofthefaceplatewithhighaccuracyandnosensitivitytoscalechanges.Keywords:Sunflowerfaceplatemeasurement;Diameter;Area;Tipwrappingmethod;Texturesegmentation收稿日期:2019-01-0731401810);河南省科技攻关项目(182102110399,192102110203);河南省高等学基金项目:国家自然科学基金项目(61403349,校重点科研项目(18A210025);郑州轻工业大学2019年大学生科技活动项目作者简介:张卫正(1982-),男,河南滑县人,讲师,博士,主要从事生物生长信息采集处理技术研究。