基于多特征的红外与可见光图像融合

杨桄; 童涛; 陆松岩; 李紫阳; 郑悦

doi:10.3788/OPE.20142202.0489

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基于多特征的红外与可见光图像融合

信息科学 | 更新时间：2020-08-13

- 基于多特征的红外与可见光图像融合
- Fusion of infrared and visible images based on multi-features
- 光学精密工程 2014年22卷第2期页码：489-496
- 作者机构：
  
  1. 空军航空大学,吉林长春,130022
  2. 中国人民解放军93010部队,辽宁沈阳,110000
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142202.0489
  中图分类号： TP751
- 收稿日期：2013-04-22，
  
  纸质出版日期：2014-02-20
- 稿件说明：
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杨桄,童涛,陆松岩等. 基于多特征的红外与可见光图像融合[J]. 光学精密工程, 2014,22(2): 489-496

YANG Guang, TONG Tao, LU Song-yan etc. Fusion of infrared and visible images based on multi-features[J]. Editorial Office of Optics and Precision Engineering, 2014,22(2): 489-496
杨桄,童涛,陆松岩等. 基于多特征的红外与可见光图像融合[J]. 光学精密工程, 2014,22(2): 489-496 DOI： 10.3788/OPE.20142202.0489.

YANG Guang, TONG Tao, LU Song-yan etc. Fusion of infrared and visible images based on multi-features[J]. Editorial Office of Optics and Precision Engineering, 2014,22(2): 489-496 DOI： 10.3788/OPE.20142202.0489.

摘要

针对传统图像融合方法易导致融合图像整体对比度低及细节反差小的问题

提出一种多特征加权多分辨率图像融合方法。首先

对多尺度分解后的低频系数进行边缘特征、平均梯度特征的提取

同时对高频系数进行相关信号强度比特征的提取。然后

通过边缘特征级融合指导像素级图像融合得到高频系数;针对合成模块中简单加权法易引起边缘或纹理局部模糊的问题

提出分两种情况分别合成同一位置的多尺度分解系数。最后

通过平均梯度特征自适应加权得到融合图像的低频系数

并对低频和高频系数进行多尺度逆变换得到融合图像。实验表明

本文方法的融合性能优于经典的融合方法

其融合质量评价指标中的标准差、空间频率、信息熵和平均梯度分别提高了15.12%、4.30%、6.15%和3.44%。

Abstract

In allusion to the lower overall contrast and smaller detail contrast of a fused image from the conventional fusion methods

an effective multi-feature weighted multi-resolution image fusion algorithm was proposed. Firstly

the edge features and average gradient features were extracted from a low frequency coefficient after multi scalar decompose

while the correlated signal intensity ratio feature was extracted from a high frequency coefficient. Then

the high frequency coefficient of the fused image was obtained from the pixel-level weighted average image fusion conducted by the edge feature fusion. Furthermore

a novel combination map was proposed to process the frequency coefficient from the same place with two patterns to solve the problem that the simple weighted method is not effective for retaining the edge and texture information. Finally

the low frequency coefficient of the fused image was obtained by adaptive weighted method based on regional average gradient and the target image was obtained by inversing multi-scale transformation for low frequency and high frequency coefficients. The experiments on fusing infrared and visible images show that the proposed algorithm is better than the classical methods. And the fusion quality indexes

such as standard deviation

spatial frequency

information entropy and average gradient have increased by 15.12%

4.30%

6.15% and 3.44%

respectively.

关键词

Keywords

references

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