Figure 4. Crack measurement with microscope

From

Detection and Measurements of Cracks in Axially Loaded Tension RC Members by Image Processing Technique

Md. Mahfuzur Rahman, Ismail Saifullah, Sunthonu Kumar Ghosh

American Journal of Civil Engineering and Architecture. 2019, 7(2), 115-120 doi:10.12691/ajcea-7-2-5