Fusion of Multi-band SAR Images Based on Contourlet Transform
Aim at the fusion of multi-band Synthetic Aperture Radar (SAR) images, a new fused method using the contourlet transform is presented. Contourlet transform provides a flexible multiresolution, anisotropy and directional expansion for images. Compared with wavelets, it can afford more efficient presentation of image edges. This is employed for fusing the directional high-frequency coefficients. For the lowpass coefficients, an averaging fusion rule is used. For the directional high-frequency coefficients, the higher value of Edge Information Measurement is used to select the better coefficients for fusion. The proposed method solves the problem of losing edge information for wavelet based fusion method. Finally, the example result of two bands SAR image fusion compared with wavelet fused method shows the vision effect and the statistical evaluation factors for fusion are both improved.
SAR image Multi-band,Image Fusion,Contourlet Transform.
Yong-an Zheng Changsheng Zhu Jianshe Song Xunhui Zhao
Institute of Information Engineering Xian Research Institute of High-tech HongQing Town, Shaanxi,710025, China
国际会议
2006 IEEE International Conference on Information Acquisition
山东威海
英文
420-424
2006-08-20（万方平台首次上网日期，不代表论文的发表时间）