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Journal of Radiography & Radiation Sciences

2015;  (v 29): 1-9

 

Comparative Analysis of Image Enhancement Techniques for Uterine Fibroid Ultrasound

Baba A. Samaila and Akar A. Saime.

Copyright © 2017 The Association Of Radiographers Of Nigeria. All Rights Reserved.

This work is licensed under the Creative Commons Attribution International License (CC BY).
http://creativecommons.org/licenses/by/4.0/

Background: The Ultrasound image is a vital diagnostic tool in the preliminary clinical assessment of many diseases, especially in Obstetrics and Gynecology. However, poor ultrasound image quality often leads to the inaccurate diagnosis of diseases such as uterine fibroids. Many researchers have proposed various methods for improving ultrasound image quality.

Objective: To explore by comparison of four image enhancement techniques, the best approach for the enhancement of uterine fibroid images towards achieving better diagnosis and proper management of the disease.

Methodology: The study assessed and compared the performance of four (4) different image enhancement techniques namely; Contrast stretching, Gamma correction, Histogram equalization (HE) and Contrast limited adaptive histogram equalization (CLAHE) on uterine fibroid ultrasound image Twenty (20) Ultrasound images from the database were downloaded and processed in MATLAB (2015a version) using image processing toolbox. Based on histogram distribution and statistical features (Mean, Standard Deviation and Entropy), the enhanced images were evaluated and compared.

Results: The results show that Contrast stretching performed better based on Histogram distribution while CLAHE shows superior performance on Statistical features Conclusion: Contrast stretching and Contrast limited adaptive histogram equalization (CLAHE) have demostrated good performance in enhancement of uterine fibroid ultrasound image

Keywords: Ultrasound image, uterine fibroid, image enhancement, MATLAB.


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