AI	Artificial Intelligence
API	Application programming interface
CLAGE	Contrast limited adaptive histogram equalization
DT	Digital Twin
ECC	Enhanced correlation coefficient
FSIM	Feature similarity index
HDRP	High definition render pipeline
HM	Histogram matching
HMD	Head-mounted display
IoT	Internet of things
LIDAR	Light detection and ranging
LPIPS	Learned perceptual image patch similarity
MEMS	Micro-electro-mechanical system
ML	Machine learning
MSE	Mean square error
PBR	Physically based rendering
PSF	Point spread function
PSNR	Peak signal-to-noise ratio
SD	Standard deviation
SSIM	Structural similarity index measure
VR	Virtual reality