Single Image Super-Resolution via Image Smoothing

Algorithm 1

Image smoothing via gradient minimization.

Input: Image , smoothing weight , parameter , rate

(1)  Initialization: .

(2) While  

(3)  Solving via (10) when fixing

(4)  Solving via (8) when fixing

(5)  Update:

(6)  

(7) end

Output: Smoothing image