Optimum wavelet based masking for the contrast enhancement of medical images using enhanced cuckoo search algorithm

被引：37

作者：

Daniel, Ebenezer ^{[1
]}

Anitha, J. ^{[1
]}

机构：

[1] Karunya Univ, Dept Elect & Commun Engn, Coimbatore 641114, Tamil Nadu, India

来源：

COMPUTERS IN BIOLOGY AND MEDICINE | 2016年 / 71卷

关键词：

Contrast enhancement; Cuckoo search algorithm; Genetic algorithm; Unsharp masking; Wavelet transforms; Medical imaging; GENETIC ALGORITHM; HISTOGRAM EQUALIZATION; UNSHARP MASKING; IMPULSE NOISE; TRANSFORM; SEGMENTATION; FILTER; SVD;

D O I：

10.1016/j.compbiomed.2016.02.011

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Unsharp masking techniques are a prominent approach in contrast enhancement. Generalized masking formulation has static scale value selection, which limits the gain of contrast. In this paper, we propose an Optimum Wavelet Based Masking (OWBM) using Enhanced Cuckoo Search Algorithm (ECSA) for the contrast improvement of medical images. The ECSA can automatically adjust the ratio of nest rebuilding, using genetic operators such as adaptive crossover and mutation. First, the proposed contrast enhancement approach is validated quantitatively using Brain Web and MIAS database images. Later, the conventional nest rebuilding of cuckoo search optimization is modified using Adaptive Rebuilding of Worst Nests (ARWN). Experimental results are analyzed using various performance matrices, and our OWBM shows improved results as compared with other reported literature. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：149 / 155

页数：7

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