Signal Enhancement in Defect Detection of CFRP Material Using a Combination of Difference of Gaussian Convolutions and Sparse Principal Component Thermography.
Wei LiuBeiping HouYuan YaoLe ZhouPublished in: IEEE Access (2022)
Keyphrases
- principal components
- defect detection
- principal component analysis
- signal recovery
- impulse response
- compressive sensing
- multivariate data
- feature extraction
- hyperplane
- gaussian filter
- principal component regression
- signal reconstruction
- frequency domain
- signal processing
- dimensionality reduction
- high dimensional
- poisson distribution
- kernel space
- automated visual inspection
- gaussian white noise
- image enhancement
- image processing
- gaussian convolution
- zero crossing
- textured surfaces
- data mining
- maximum likelihood
- denoising
- feature selection
- machine learning