An Advanced Otsu Method Integrated with Edge Detection and Decision Tree for Crack Detection in Highway Transportation Infrastructure

<div>Schematic of the gray model and its first and second derivatives. (a) Ramp edge model. (b) Gray profile of the ramp edge model and its corresponding first and second derivatives. (c) Roof edge model. (d) Gray profile of the roof edge model and its corresponding first- and second-order derivative.</div>

Advances in Materials Science and Engineering

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Figure 2: An Advanced Otsu Method Integrated with Edge Detection and Decision Tree for Crack Detection in Highway Transportation Infrastructure 