摘要
提出了一种新的基于小波-Contourlet变换的融合多传感全色和多光谱影像的算法。由于Contourlet变换具有良好的多方向性和多尺度,所以它比其他方法更适应于进行多传感图像融合,对于小波-Contourlet变换后得到的低频和高频分量系数,采用平均法选择低频区域系数,选择区域"能量"较大的高频系数作为融合影像的高频系数。实验结果表明,基于所提出的小波-Contourlet变换的融合结果优于其他常用的融合方法。
A novel method of fusing panchromatic and multispectral multisensor images by using wavelet based on contourlet transform is proposed. Contourlet transform can offer a much richer set of directions and shapes, and it is more effective than other methods in fusing multisensor images. The images are firstly decomposed by contourlet transform, the tow frequency contourlet coefficients are choosed by average method, and hight frequency contourlet coefficients are choosed by using energy method. The experimental results show that the fused image produced by the contourlet transform is of better quality than others.
出处
《激光与光电子学进展》
CSCD
北大核心
2009年第9期68-72,共5页
Laser & Optoelectronics Progress
