Handling noise in textual image resolution enhancement using online and offline learned dictionaries
IJDAR, Volume 21, Issue 1-2, 2018, Pages 137-157.
Resolution enhancementDenoisingTextual imageSparse codingOnline and offline learned dictionaries
The resolution enhancement of textual images poses a significant challenge mainly in the presence of noise. The inherent difficulties are twofold. First is the reconstruction of an upscaled version of the input low-resolution image without amplifying the effect of noise. Second is the achievement of an improved visual image quality and a ...More
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