Non-Contact Inspection of Railhead via Laser-Generated Rayleigh Waves and an Enhanced Matching Pursuit to Assist Detection of Surface and Subsurface Defects.
Imran GhafoorPeter W. TseJavad RostamiKim Ming NgPublished in: Sensors (2021)
Keyphrases
- matching pursuit
- image coding
- automated visual inspection
- defect detection
- road signs
- basis functions
- pursuit algorithm
- detection algorithm
- automatic inspection
- laser beam
- object detection
- printed circuit boards
- laser scanner
- wave propagation
- three dimensional
- detection method
- surface defects
- neural network
- face identification
- small number