Enhancing image denoising by controlling noise incursion in learned dictionaries

• Main Authors: Anamitra Makur (EEE), Sahoo, Sujit Kumar
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2015
• Subjects: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processing
• Online Access: https://hdl.handle.net/10356/107084; http://hdl.handle.net/10220/25303; http://dx.doi.org/10.1109/LSP.2015.2388712
• Institution: Nanyang Technological University

Existing image denoising frameworks via sparse representation using learned dictionaries have an weakness that the dictionary, trained from noisy image, suffers from noise incursion. This paper analyzes this noise incursion, explicitly derives the noise component in the dictionary update step, and p...