Articles with "global dictionary" as a keyword



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Denoising algorithm of OCT images via sparse representation based on noise estimation and global dictionary.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.447668

Abstract: Optical coherence tomography (OCT) is a high-resolution and non-invasive optical imaging technology, which is widely used in many fields. Nevertheless, OCT images are disturbed by speckle noise due to the low-coherent interference properties of light,… read more here.

Keywords: noise; denoising algorithm; sparse representation; global dictionary ... See more keywords