BP nerual-Effects of the number of hidden nodes used in a structured-based

BP nerual-Effects of the number of hidden nodes used in a structured-based

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时间:2019-08-16

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1、NeuralComput&Applic(2009)18:249–260DOI10.1007/s00521-008-0177-3ORIGINALARTICLEEffectsofthenumberofhiddennodesusedinastructured-basedneuralnetworkonthereliabilityofimageclassificationWeibaoZouÆYanLiÆArthurTangReceived:13November2006/Accepted:8February2008/Publi

2、shedonline:27February2008ÓSpringer-VerlagLondonLimited2008AbstractAstructured-basedneuralnetwork(NN)withchoiceforthenumberofhiddennodesfortheimagebackpropagationthroughstructure(BPTS)algorithmisclassificationwhenastructured-basedNNwithBPTSconductedforimageclas

3、sificationinorganizingalargealgorithmisapplied.imagedatabase,whichisachallengingproblemunderinvestigation.ManyfactorscanaffecttheresultsofimageKeywordsHiddennodesclassification.OneofthemostimportantfactorsistheBackpropagationthroughstructureImageclassification

4、architectureofaNN,whichconsistsofinputlayer,hiddenNeuralnetworkFeaturessetlayerandoutputlayer.Inthisstudy,onlythenumbersofnodesinhiddenlayer(hiddennodes)ofaNNareconsid-ered.Otherfactorsarekeptunchanged.Twogroupsof1Introductionexperimentsincluding2,940images

5、ineachgroupareusedfortheanalysis.TheassessmentoftheeffectsforthefirstImagecontentrepresentationisachallengingproblemingroupiscarriedoutwithfeaturesdescribedbyimageorganizingalargeimagedatabase.Mostoftheapplicationsintensities,and,thesecondgroupusesfeaturesdesc

6、ribedrepresentimagesusinglow-levelvisualfeatures,suchasbywaveletcoefficients.Experimentalresultsdemonstratecolour,texture,shapeandspatiallayoutinaveryhighthattheeffectsofthenumbersofhiddennodesonthedimensionalfeaturespace,eithergloballyorlocally.reliabilityofc

7、lassificationaresignificantandnon-linear.However,themostpopulardistancemetrics,suchasWhenthenumberofhiddennodesis17,theclassificationEuclideandistance,cannotguaranteethatthecontentsarerateontrainingsetisupto95%,andarrivesat90%onthesimilareventhoughtheirvisualfea

8、turesareverycloseintestingset.Theresultsindicatethat17isanappropriatethehighdimensionalspace.Withastructured-basedneuralnetwork,theimageclassificationusingfeaturesdescribedbyindependentcom

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