AE	Autoencoder
AOI	Automatic optical inspection
CAE	Convolutional autoencoder
CCD	Charge coupled device
CDAE	Convolutional denoising autoencoder
DCT	Discrete cosine transform
GPU	Graphics processing unit
MSCDAE	Multi-scale convolutional denoising autoencoder
NLSR	Nonlocal sparse representation
PCA	Principal component analysis
PHOT	Phase only transform
WLD	Weber local descriptor