Research Article
Hand Depth Image Denoising and Superresolution via Noise-Aware Dictionaries
Algorithm 2
The orthogonal matching pursuit.
input: vector , dictionary , sparsity | output: sparse coefficient of with respect to | () Initialize residual , index set , ; | () for do | () Denote , to be all columns of ; | () ; | () Update the index set ; | () Update the atom matrix ; | () ; | () Update residual ; | () end |
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