基于MATLAB的水稻种子几何特征提取的程序实现

1990－。2012－03－15MATLAB611130MATLAB。、、、、、、。、。MATLABS511A1007－7731201207－187－03TheRealizationoftheMATLAB－basedProgramoftheGeometricalCharacteristics’collectionofRiceSeedsZhouNanetal．CollegeofAgricultureSichuanAgriculturalUniversityChengdu611130ChinaAbstractTheMATLAB－basedGUIGraphicalUserInterfaceprogramcanbeusedtoanalysisthepictureofriceseedstoachievegeometricalcharacteristics．Afterthereadinofthedigitalpicturetheprogrampreprocessthephotowithtypecon-versionhattransforminggrayopenoperationandthensplititwithOTSUmethodlinetheminimumexternalmomentcollectgeometricalcharacteristicsdisplaydataetc．Theprogramautomaticlyfulfillthetaskofcollectiondataandinthiswaytheinspectionofriceseedsqualitativeanalysiscorrelationalresearchesinlandandsoforthcangetservices．KeywordsMATLABRiceseedsImageanalysisGeometricalcharacteristicsMATLAB。。1234。、、、、、。MATLABR2010b。15。1.150、。MATLABim=imread‘feed.png’。1.2RGBRGB3MATLABRGBm*n*3。1。MATLABim=rgb2grayim。1781AnhuiAgri.Sci.Bull.201218071.31.3.15。。21。131。23。。4、5。MATLABbg=imopenimstrel＇disk＇10im=imsubtractimbg451.3.24。6。MATLABsek=strel＇octagon＇3im=imerodeimsekseb=strel＇rectangle＇56im=imdilateimseb622.15。6。7。7881AnhuiAgri.Sci.Bull.201218072.2“”、、“”5。7、、8。MATLABimlabelimnum=bwlabelimimstat=regionpropsimlabel＇Area＇＇Centroid＇＇Perime-ter＇fori=1imnumtextIstati.Centroid1Istati.Centroid2num2striholdonrc=findimlabel=irectxrectyareaperimeter=minboundrectcr＇a＇linerectxrecty＇color＇＇w＇holdonend83MATLAB9。94MATLAB。、、、。、。、、。1.MATLABJ.2006214627.2.J.2010382312350－1235112376.3.J.2004185461－465.4.J.2011204194－198.5.———visualC++MATLABM.20107331335379.159。3H=14.622x0.1587D=17.537x0.2135V=7.9054x0.55。。1.──ⅡJ.1995146－47.2.J.1996927－35.3.J.2006417－18.4.M.2002.578%EB/OL.ht-tp//－08/18/content_20736812.htm2010－08－8.9811807MATLAB