Inspec keywords: iterative methods; dictionaries; image resolution; image representation; image reconstruction; image restoration; learning (artificial intelligence); minimisation

Other keywords: adaptive sparsity regularisation term; underlying image patches; observation image; collaborative representation; generic images; novel super-resolution regularisation model; reconstructed image; adaptive sparse representation

Subjects: Optical, image and video signal processing; Interpolation and function approximation (numerical analysis); Computer vision and image processing techniques