RAVA	region-based average video quality assessment
NR-IQA	no-reference image quality assessment
FR	full reference
NIMA	neural image assessment
NR	no-reference
PEVQ	perceptual evaluation of video quality
RR	reduced reference
VQuad-HD	objective perceptual multimedia video quality measurement of HDTV
VQA	video quality assessment
PEXQ	perceptual quality by OPTICOM, a software name
IQA	image quality assessment
ANN	artificial neural network
SSIM	structural similarity
PSD	power spectral density
VSSIM	video structural similarity
PVQA	perceptual video quality assessment
HVS	human visual system
VQA	video quality metric
PSNR	peak signal-to-noise ratio
ANSI	American National Standards Institute
PSNR-HVS	PSNR based on HVS
ITU	International Telecommunication Union
PSNR-HVS-M	PSNR based on between-coefficient contrast masking
VSFA	quality assessment of in-the-wild videos
fps	frames per second
CRF	constant rate factor
PCC	Pearson’s (linear) correlation coefficient
SCC	Spearman’s rank correlation coefficient