Research on total focusing method for concrete defect detection based on coherence weighted fusion

Key Points

• To enhance the imaging quality for concrete defect detection using a coherence weighted fusion algorithm.
• Utilized total focusing method (TFM) for concrete defect analysis.
• Developed coherence weighted fusion (CWF) algorithm to reduce noise and artifacts.
• Conducted numerical simulations and experiments with a focus on improving resolution.
• Achieved 30% improvement in signal-to-noise ratio for single crack detection.
• Achieved 32.2% improvement for single hole detection.
• Achieved 22.7% improvement for multi-defect detection.