基于纹理分析的皮革可视缺陷检测方法的研究

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1、山东轻工业学院硕士学位论文基于纹理分析的皮革可视缺陷检测方法的研究姓名：于彩香申请学位级别：硕士专业：检测技术与自动化装置指导教师：邱书波20090520山东轻工业学院硕士学位论文ABSTRACTLeatherISwelcomedtofactoriesandcustomersasakindofgoodmaterial．IthasSOabroadusageasusedinshoes，bags，clothesandgloves，apparels，gymthings，musicalinstrumentan

2、dindustryaspect．OthermaterialsCan’tbecomparedtoit．Itstilldevelopedwellinthefinancialcrisis．Intheprocessofleathermachining，theeffectoflookupingdisfigurementandclassificationwillimpactproductionefficiencyandproductqualitydirectly．Forthepurposeofusingrawm

3、aterialeffectivelyandavoidinferiorinterfusing，detectingthematerialandproductisnecessary．Butforalongperiodoftime，defectingmethodismainlydependingonhands，thedirectaftermathisreducingproductionefficiencyandincreasingproductioncost．Alongwiththedevelopmento

4、fcomputervisiontechnical，thehandworkofdetectingleathercanbefinishedbycomputermoreeffectively．ThenworkersCanbeliberatedfromheavywork，andcostCanbecutmaximally．Accordingtothepresentsituation．Iputforwardadetectingschemeforleatherprocess．Firstly，thispapercl

5、assifyingmaterialsaccordingtheirdifferentkindsusinganalyzingmethodoftextureleather，whichCanbeusedininspectingfrontispieceandinverse．Becauseofdifferentproductscomingfromdifferentkindsodleather，andarranging，incising，detectingarealldoneonfrontispiece，SOcl

6、assificationandinspectingtechnicalisnecessary．Viacalculatingthewavecrestandtroughsstatisticalfeaturesonleatherscanningbeam，auto—identifyingandclassifyingCanbecarriedout．111emainprocessofleathermachiningisarrangingandincisingvariousproductparts．Butthesu

7、rfaceisnotperfect，andexistallkindsofdefects，suchasbite，SCar，wound，etc．Formakingusingofmaterialeffectively，detectingthepositionofdefectsisthefirsttaskbeforearrangingandincising．Thepaperintroducedanimagedefectsdetectionalgorithmbasedongray—runlengthcumul

8、ation．Thismethodattemptedtoutilizetheinformationofbothgraylevelandrun-lengthinanimage．Inthisapproach，thegray—runlengthcumulationofeverypixelWascalculatedthroughevaluatingthedifferencesof铲aylevelsandrun-lengthcumulation，andthenusedasthre