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Opt Express. 2011 Apr 25;19(9):8444-57. doi: 10.1364/OE.19.008444.

Fusion of infrared and visual images through region extraction by using multi scale center-surround top-hat transform.

Author information

1
Image Processing Center, Beijing University of Aeronautics and Astronautics, Beijing, China. jackybxz@buaa.edu.cn

Abstract

Fusion of infrared and visual images is an important research area in image analysis. The purpose of infrared and visual image fusion is to combine the image information of the original images into the final fusion result. So, it is crucial to effectively extract the image information of the original images and reasonably combine them into the final fusion image. To achieve this purpose, an algorithm by using multi scale center-surround top-hat transform through region extraction is proposed in this paper. Firstly, multi scale center-surround top-hat transform is discussed and used to extract the multi scale bright and dim image regions of the original images. Secondly, the final extracted image regions for image fusion are constructed from the extracted multi scale bright and dim image regions. Finally, after a base image is calculated from the original images, the final extracted image regions are combined into the base image through a power strategy to form the final fusion result. Because the image information of the original images are well extracted and combined, the proposed algorithm is very effective for image fusion. Comparison experiments have been performed on different image sets, and the results verified the effectiveness of the proposed algorithm.

PMID:
21643095
[Indexed for MEDLINE]
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