A study based on image processing for the bridge crack measurement

摘要

This paper gives a non-destructive and non-contact inspection way based on image processing which is introduced to detect bridge cracks. System architecture is also introduced and key algorithms in crack image processing is studied. These key algorithms are: image gray scaling, image enhancement, image strengthing, gap survey and so on. In the end such method is used to measure actual gap and the reliability of such method on bridge inspection has been verified with the results.