Technique for image fusion based on NSST domain and human visual characteristics

被引:0
作者
Kong, Weiwei [1 ,2 ]
Lei, Yingjie [2 ]
机构
[1] Department of Information Engineering, Engineering University of Armed Police Force
[2] Missile Institute, Air Force Engineering University
来源
Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University | 2013年 / 34卷 / 06期
关键词
Human visual characteristic; Image fusion; Non-subsampled shearlet transform; Visual sensitivity coefficient;
D O I
10.3969/j.issn.1006-7043.201209029
中图分类号
学科分类号
摘要
A novel technique for image fusion based on the non-subsampled shearlet transform (NSST) domain and human visual characteristic (HVC) is proposed to resolve the problem of the multi-sensor image fusion. Multi-scale and multi-directional sparse decompositions of source images are performed by NSST, so that the low-frequency sub-images and a series of high-frequency ones with diverse scales and directions can be obtained. Then, as the evaluation norm of sub-images fusion, the definition of visual sensitivity coefficient is presented to complete the fusion process of sub-images from each corresponding source image, respectively. Meanwhile, the algorithm for image fusion based on NSST and HVC is devised. The final fused image is achieved by utilizing inverse NSST to all fused sub-images. Experimental results show that the technique proposed has better performance, and higher running efficiency.
引用
收藏
页码:777 / 782
页数:5
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