Introducing object reflectance property and sensor spectral response into empirical mode decomposition based MODIS and TM image fusion
文献类型：EI期刊论文
| 作者 | Su Hongbo; Xia Jun; Tian Jing; Chen Shaohui |
| 发表日期 | 2008 |
| 关键词 | Acoustic signal processing Atmospherics Image resolution Medical imaging Object recognition Reflection Sensors Spectrometers Visual communication |
| 英文摘要 | In existing image fusion methods, there is little work concerning the fusion of Moderate Resolution Imaging Spectroradiometer (MODIS) images with Landsat Thematic Mapper (TM) images. In most cases, the object reflectance property and sensor spectral response are not considered, which produces some undesirable effects such as decreased resolution over injection images and slightly modified spectral signatures in some features. Starting from a simplified land surface reflection model, we deduce a general method that takes both aspects into account for injecting features from the TM image into the MODIS images, trying to preserve spectral signatures of the latter and improve the spatial resolution to that of the former. This method is further improved using empirical mode decomposition (EMD) by considering the difference between the detail radiation absent from the MODIS images and that appearing in the TM image. In the experiment, visual inspection and Wald's protocol are used to assess the qualities of the fused MODIS images qualitatively and quantitatively, respectively. Compared to many existing state-of-the-art fusion methods, the proposed method produces fused MODIS images that are closer to the image the corresponding virtual MODIS sensor would observe if it worked at the spatial resolution of the TM image. Extensive assessment results demonstrate that the proposed method is encouraging for increasing spatial details of the MODIS image with its spectral properties reliably preserved. The proposed method is recommended as a useful tool for the fusion of images with significantly different spectral and spatial resolutions. © 2008 CASI. |
| 出处 | Canadian Journal of Remote Sensing
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| 卷 | 34期:6页:585-595 |
| 收录类别 | EI |
| 语种 | 英语 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/24994]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Su Hongbo,Xia Jun,Tian Jing,et al. Introducing object reflectance property and sensor spectral response into empirical mode decomposition based MODIS and TM image fusion. 2008. |
入库方式： OAI收割
来源：地理科学与资源研究所
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