Single-Image Super-Resolution Using Panchromatic Gradient Prior and Variational Model

Table 1

The descriptions of the acronyms used in this paper.

Acronym	Description
SR	Super-resolution
SISR	Single-image super-resolution
MISR	Multi-image super-resolution
HR	High resolution
LR	Low resolution
PAN	Panchromatic
ADMM	Alternating direction method of multipliers
PSNR	Peak signal-to-noise ratio
RMSE	Root mean square error
SSIM	Structure similarity index
SC	Sparse-coding-based super-resolution method
SCBP	Iterative-back-projection-based SC method