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©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.072650;2.071003)[],BP,BPMATLAB,BP[];;BP[]TP391.41;TP183[]A,,,BaggingAdaboost,BP,BP1BPBP1,,,BP:,,,(),,,,,,,1BP2BPBP,BP22BP32BP,©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],,graythresh,im2bw:threshold=graythresh(fig_gray);fig_bool=im2bw(fig_gray,threshold);fig_grayfig_bool2036332.2,,BP,BP,3620,7201,matlab:characteristic_vector=fig_bool_normalized(:);fig_bool_normalized2.3BP2.3.1,,2036=7202.3.2[2]10,101,100-91,00,11,0;1,21,0;2.3.3[3],,Kosmogorov,,3BP,,3BP2.3.4[3],,,:s=0.43nm+0.12m2+2.54n+0.77m+0.35+0.51n,m,,702.3.5BPBPnewff:net=newff(minmax(P),[720,70,10],{logsig,(logsig,logsig},traincgb);minmax(P)720P[720,70,10]{logsig,logsig,logsig},Straincgb,Powell2Beale2.4BP2.4.13620,3620=720,091072010,:samples_group=[0,1,2,,9];0,1,,91,011010,matlab:targets=eye(10);0-910,20,20,:P=[samples_group1,samples_group2,,4220092©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.];P=double(P);%,,,20,:T=[targets,targets,,targets,targets];2.4.2SSE,0.01,1000SSE0.01,[4-5]:net.trainParam.epochs=1000;%net.trainParam.show=20;%net.trainParam.min_grad=1e-10;%net.performFcn=sse;%net.trainParam.goal=0.01;%net.layers{1}.initFcn=initwb;%initwb,randnrnet.inputWeights{1,1}.initFcn=randnr;%net.layerWeights{2,1}.initFcn=randnr;%12net=init(net);%[net,tr]=train(net,P,T);%[net,tr]net,tr()44,SSE0.0088,0.01,,2.5BPsim:testout=sim(net,test_sample)net,test_sample,testout:test_sample=double(test_sample);%testout=sim(net,test_sample);%max_value=max(testout);%if(max_value0.7)%0.7,0.7testout=compet(testout);number=find(testout==1)-1;%end30-91020,20011,99.48%,,4%,95.5%,0.7,,1020190100%15%95%120190100%15%95%220200100%00100%320170100%315%85%420190100%15%95%520190100%15%95%620200100%00100%720200100%00100%82019194.7%15%90%920200100%00100%200192199.48%84%95.5%(30)52BP,©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1].ABS[J].,2007(2):77279.[2],,.ABS[J].(),2007,19(4):4302433.[3],,.ABS[J].,2001(5):15217.[4].(ABS)[M].:,1996.[5].ABS[J].(),2001,33(3):85288.[6],,.[M].:,2002:1052107.[7],,.LabView[M].:,2004:126.[8],,,.[J].,1999,10(1):77280.[9].ABS[J].,2003,18(2):9211.[10],,,.LabVIEW[M].:,2003.(25)4BP,MATLAB,[1],,.VisualC++/MAT2LAB[M].:,2004:38,2642316.[2],.BP[J].,2007(4):87288.[3],.[J].,2007(2):21222.[4].MATLAB[M].:,2003:59261,1662172.[5],.MATLAB[M].:,2005:1742181.0320092