Image enhancement through contrast enlargement using the image regions extracted by multiscale top-hat by reconstruction

被引：8
作者：
Bai, Xiangzhi [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Image Proc Ctr, Beijing 100191, Peoples R China
来源：
OPTIK | 2013年 / 124卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Top-hat by reconstruction; Multiscale; Mathematical morphology; Image enhancement; TRANSFORM;
D O I：
10.1016/j.ijleo.2013.01.100
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An image enhancement algorithm based on multiscale top-hat by reconstruction is proposed in this paper. Firstly, multiscale top-hat by reconstruction using multiscale structuring elements is discussed. Then, multiscale bright and black image regions are extracted. Thirdly, useful image regions for image enhancement are obtained from the extracted multiscale bright and black image regions. Finally, after a base image is calculated from the results of the opening and closing by reconstruction operations, the original image is enhanced through combing the useful image regions into the base image. Experimental results on different types of images show that the proposed algorithm is efficient. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：4421 / 4424
页数：4
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