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Plug-and-Play gradient-based denoisers applied to CT image enhancement

15 Feb 2021 • Pasquale Cascarano • Elena Loli Piccolomini • Elena Morotti • Andrea Sebastiani

Blur and noise corrupting Computed Tomography (CT) images can hide or distort small but important details, negatively affecting the diagnosis. In this paper, we present a novel gradient-based Plug-and-Play algorithm, constructed on the Half-Quadratic Splitting scheme, and we apply it to restore CT images... (read more)

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