Face super-resolution based on online dictionary learning

• Published in: 2016 9th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI) pp. 195 - 200
• Main Authors: Liu Fanghua, Ruan Ruolin, Ni Hao, Wu Aixia
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.10.2016
• Subjects: Dictionaries; Face; Image reconstruction; Image resolution; online dictionary learning; Principal component analysis; Signal resolution; sparse representation; super-resolution reconstruction; Training

Recent learning-based face super-resolution methods, such as Yang's Sparse Coding Super-Resolution (SCSR) are promising with sharp edges visually. But it also leads to obvious artifacts. In order to eliminate the artifacts, Online Dictionary Learning (ODL) algorithm is introduced in the diction...