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CivilSoftware

Crack Detection in Concrete

A CNN that flags cracks in photos of campus buildings for inspection.

The problem

Manual inspection of older blocks is slow and inconsistent.

What we built

Fine-tuned a small CNN on a public crack dataset plus 600 photos we labelled around campus.

Hardware

Phone camera on a telescopic pole.

Software

PyTorch, MobileNetV3, a Streamlit review tool.

Outcomes

94% precision on our held-out campus photos; the civil department now uses it for first-pass screening.