基于图像轮廓哈希编码的工件识别方法及应用研究

打开文本图片集

中图分类号：TP391.4 文献标志码：A 文章编号：2095-2945（2025）26-0031-05

Abstract：Thispaper proposesarecognition methodbasedonworkpieceshape featureencoding，whichachievesautomatic recognitionandclassfcationofworkpieceshapebyautomaticallygeneratinguniquefeaturecodes.Themethodisbasedon extractingcontourfeaturesfromworkpieceimagesandgenerating hashcodes.Themainprocessincludesimagesegmentation， conectedregionanalysis，contourlineextraction，polygonapproximation，contourtrajectoryparameterization，andfeaturehash coding.Byextracting contourcurvesfrom workpieceimagesandusing contourimagemomentsandcontourcurve trajectory parametersascontourfeaturesacording totherequirementsofworkpiecerecognition，anautomaticfeatureencodingretrieval indexwasestablishedfortheworkpiecedatabase，andahashfunctionwasused togeneratefeatureidentfiers.Thismethodcan effectivelyimprovethediscriminationandrecognitionrateoffeatures，soastoachievefastandaccuraterecognitionofworkpieces.

Keywords： feature coding;workpieceimage extraction;hashcoding; feature identifier;contour feature extraction

在制造业中，对设备工件的登记、采购、保管、维修和更换等管理是一项繁琐而重要的工作。（剩余4896字）