A <i>q</i>-Extension of Sigmoid Functions and the Application for Enhancement of Ultrasound Images

A <i>q</i>-Extension of Sigmoid Functions and the Application for Enhancement of Ultrasound Images

This paper proposes the <i>q</i>-sigmoid functions, which are variations of the sigmoid expressions and an analysis of their application to the process of enhancing regions of interest in digital images. These new functions are based on the non-extensive Tsallis statistics, arising in th...

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Bibliographic Details
Main Authors: Paulo Sergio Rodrigues, Guilherme Wachs-Lopes, Ricardo Morello Santos, Eduardo Coltri, Gilson Antonio Giraldi
Format: Article
Language:English
Published: MDPI AG 2019-04-01
Series:Entropy
Subjects:
contrast enhancement
sigmoid
Tsallis statistics
<i>q</i>-exponential
<i>q</i>-sigmoid
<i>q</i>-Gaussian
ultra-sound images
Online Access:https://www.mdpi.com/1099-4300/21/4/430

Internet

https://www.mdpi.com/1099-4300/21/4/430

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