基于圖像處理技術(shù)的橋梁病害檢查和裂縫測(cè)量研究.pdf

1、分類號(hào)：TBl2，03910710—20060177漾步太淫碩士學(xué)位論文基于圖像處理技術(shù)的橋梁病害檢查和裂縫測(cè)量研究徐兵導(dǎo)師姓名職稱申請(qǐng)學(xué)位級(jí)別論文提交日期學(xué)位授予單位尹冠生教授答辯委員會(huì)主席學(xué)位論文評(píng)閱人郝憲武教授張玉芳高級(jí)工程師王虎教授AbstractNowadaysthebridgeinspectionworktobecomeatime—consuminghardsleddingwork，becausetheviaduct，the

2、continuousbridge，andthecontinualrigidframebridge’SwidelyuseSoitneedthebridgeinspectionwidelybutthetraditionalbridgeinspectionislowefficiencyandalwaysblocksthetrafficCarriesontheanalysisusingtheimageprocessingtechnologyto

3、thebridgestructurepicture，foundoutdiseasesonthebridgesuperstructureisakindofrealtime，lossless，thehighaccuracythelowcostmethodItalreadyhadcarriedoninindustryforqualityinspectionAndalreadyhadtheequipmentbasiedonthismethodb

4、uttheequipmentalwaysdevelopbyforeignerandthepricewasexpensiveMoreovertheresultofbridgedisease’SmultiplicityanduncertaintythealgorithmofdeseasinspectionstillneedafurtherresearchBasedonthereasonsabove，thisarticletakeadiscu

5、ssofthemethodandthedifficultiesondiseasesimagegathering，imageprocessing，diseasedemarcateandcracksmeasurement，basedonthetheoryofBridgeStructure&ImageProcessingDesignabridgediseaseinspectionandcrackmeasurementprogram，tofin

6、doutthediseaseandmarkedthemdifferentlythenmeasurethelocality&thelengthandthewidthofthecracksThissoftwarearecomposedofthreeparts：Bridgeimagegathering，DiseasedistinguishandCracksurveyDiseasedistinguishCandistinguishthedise

7、asesandmeasurethelocationofeachCrackssurveycontainstwoparts，oneisimageprocessing，theotheriscrackmeasurementImageprocessinginclude伊aytransforming，noiseelimination，boundarysmoothing，fissurefillingandbinaryzationtransform，t

8、henproposedtwodifferentalgorithmsonthecrackprocessingbasedonthedifferentqualityoftheimageThesubpixeltechniqueofbarycenteroperatersmethod’SusinginmeasurekeeptheprecisionandtheaccuracyoftestresultThisbridgediseasedistingis

9、handcracksmeasuremethodwhichbasedontheImageryProcessing，isanodamage，non—contactandhi【ghaccuracyadvancedinspectionmethodTheresultofinthisreaserchisvalueableinthefieldofbridgediseaseinspectionKeywords：BridgeDiseaseInspect，