期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2004
卷号：XXXV Part B3
页码：689-692
出版社：Copernicus Publications
摘要：In the field of digital photogrammetry, it is very important to enhance the image resolution. By enhancement, a clearer image with higher resolution is produced. So far, the enhancement technique is widely applied in various photogrammetric images. However, because of the restriction of the CCD sensor itself, the number of pixels on the sensor isn't much enough in some case. The image quality is affected and restricted. To solve this problem, the enhancement techniques are expended mainly in two categories: One is hardware solution; the other is software solution. In this paper, we propose a software algorithm for the enhancement of the image resolution considering inaccurate sub-pixel matching. In the proposed algorithm, the shifts, the gray values of the low-resolution images and the enhancement ratio are used to calculate the gray values of the higher- resolution image iteratively. Thus, the new image has higher resolution, so that it has higher definition. Experimental results indicate that the proposed algorithm has more universal applications
