Beyond Natural Sciences
Applied Mathematics and Nonlinear Sciences

Article details
Open Access
Available online: June 30, 2017

Smoothing vs. sharpening of color images - Together or separated

Cristina Pérez-Benito, Samuel Morillas, Cristina Jordán, J. Alberto Conejero
Volume 2 - Issue 1.     Year 2017.     Pages 299–316.

DOI: 10.21042/AMNS.2017.1.00025

Abstract

It is still a challenge to improve the efficiency and effectiveness of image denoising and enhancement methods. There exists denoising and enhancement methods that are able to improve visual quality of images. This is usually obtained by removing noise while sharpening details and improving edges contrast. Smoothing refers to the case of denoising when noise follows a Gaussian distribution.
Both operations, smoothing noise and sharpening, have an opposite nature. There- fore, there are few approaches that simultaneously respond to both goals. We will review these methods and we also provide a detailed study of the state-of-the-art methods that attack both problems in color images, separately.

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ISSN:
2444-8656
Category:
Applied Mathematics, Nonlinear Sciences

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