Processing Digital Image for Measurement of Crack Dimensions in Concrete

Document Type : Research Papers


1 Research Scholar, Department of Civil Engineering, National Institute of Technology

2 Professor, Department of Civil Engineering, National Institute of Technology-Tiruchirappalli


The elements of the concrete structure are most frequently affected by cracking. Crack detection is essential to ensure safety and performance during its service life. Cracks do not have a regular shape, in order to achieve the exact dimensions of the crack; the general mathematical formulae are by no means applicable. The authors have proposed a new method which aims to measure the crack dimensions of the concrete by utilizing digital image processing technique. A new algorithm has been defined in MATLAB. The acquired data has been analyzed to obtain the most precise results. Here both the length and width of the crack are obtained from image processing by removing background noise for the accuracy of measurement. A semi-automatic methodology is adapted to measure the crack length and crack width. The applicability of the program is verified with the past literature works.


Main Subjects

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