S-CIELAB	Spatial extension of the CIELAB colorimetric difference
JPEG	Joint Photographic Experts Group
PHOG	Pyramid Histogram of Oriented Gradients
PSNR	Peak Signal-to-Noise Ratio
SSIM	Structural Similarity Index Measure
CNN	Convolutional Neural Network
DIL	Dilation
DIP	Deep Image Prior
GAN	Generative Adversarial Network
IQM	Image Quality Metric
MAT	Medial Axis Transform
CH	Cultural Heritage
RW	Random Walk
SK	Skeletonization