Inspec keywords: image coding; singular value decomposition; image denoising; image restoration; principal component analysis

Other keywords: single-complete dictionary; dictionary updating; generalised nonlocally centralised sparse representation algorithm; generalised nonlocally centralised image denoising; signal-to-noise ratio; sparse coding; principal component analysis method; train dictionaries; sparse analysis k-singular value decomposition dictionary; learning dictionary construction; sparse coding problem; sparse dictionary; denoising effectiveness; coded sub-block dictionary; comprehensive sparse representation model; nonlocally centralised sparse representation denoising algorithm; image restoration

Subjects: Other topics in statistics; Algebra; Algebra; Other topics in statistics; Computer vision and image processing techniques; Image and video coding