基于圖像處理技術(shù)的維氏硬度檢測方法的研究.pdf

1、分類號UDC：密級：——編號：——基于圖像處理技術(shù)的維氏硬度檢測方法的研究StudyonVickersHardnessTestingMethodBasedonImageProcessingTechniques學(xué)位授予單位及代碼：籃查堡王友堂(1Q182學(xué)科專業(yè)名稱及代碼：扭越魚王王捏(Q8Q2Q22研究方向：扭電歪統(tǒng)撞趔皇遮查申請學(xué)位級別：亟指導(dǎo)教師：奎拯整熬量研究生：型搓：論文起止時間：2QQ!：!l=!Q塑：12ABSTRACTTh

2、istopicanalyzesthesituationofVickershardnessmeasurementathomeandabroadAccordingtothemeasuretheoryandfeaturesofVickershardness，thistopicdesignsaprojectofVickershardnessmeasurementbasingonimageprocessingtechniquesUsingCCDi

3、mageprocessingtechniques，thisprojectcanmeasureobjectivelyMeanwhile，itcaneliminateartificialmeasureerrorandimprovetheaccuracyandrepetitionofthemeasurementThistopicelaboratesonthedesignprocessoftheVickemdepressionmeasuring

4、system，choosesappropriateinstruments，suchaslightsource，shot，opticaldevice，carneraandcaptureboardandSOonUsingselfadaptingthresholdvaluealgorithm，thistopiccalculatestheoptimalthresholdvalueofthefilmedVickersdepressionimage

5、Atthesametime，thistopicdealsthedepressionimagewithimagebinaryzationmethodandedgemeasurement，fittingstheedgestraightlinewiththeleastsquaresmethodThenthistopicgetsthediagonallineofVickersimpressandtheVichershardnessofthism

6、aterialThewholemeasurementsystemiscompiledwithVCExperimentshowsthattheprojectisaccurateandfeasible，thestructureissuitableandtheperformanceisreliableAllthetechniquequalificationsareuptotherequirementsoftheprojectKeywords：