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Recent Advances in Electrical & Electronic Engineering

Editor-in-Chief

ISSN (Print): 2352-0965
ISSN (Online): 2352-0973

Research Article

The Chromatic Aberration 2-D Entropy Threshold Segmentation Method Based on Adaptive Step-Length Firefly Algorithm

Author(s): Wu Shaofeng, Tong Yifei*, Liu Jiafeng, Tan Qingmeng and Li Dongbo

Volume 12, Issue 2, 2019

Page: [130 - 137] Pages: 8

DOI: 10.2174/2352096511666180508151015

Abstract

Background: To effectively solve the segmentation problem with multi-target complex image, the chromatic aberration 2-D entropy threshold segmentation method based on Adaptive Step- Length Firefly Algorithm (ASLFA) is proposed in this paper.

Methods: Firstly, the significance of image entropy value is analyzed and the threshold segmentation is proposed with maximum entropy principle. Then, in order to solve the problem of large amount and longtime of calculation in the threshold segmentation process, the improved firefly algorithm (FA) is proposed replacing the fixed step-length with adaptive step-length.

Results: Finally, in order to make full use of the image information, the space distance of chromatic aberration is introduced and combined with FA.

Conclusion: Contrast test of the proposed method and 2-D entropy threshold based on standard firefly algorithm (SFA) and genetic algorithm (GA) proves that the proposed method can improve the segmentation accuracy while ensuring the segmentation speed, and is suitable for fast and effective segmentation of multi-target images and complex images.

Keywords: Threshold segmentation, 2-D entropy, firefly algorithm, adaptive step-length, chromatic aberration, genetic algorithm, Otsu algorithm.

Graphical Abstract

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