Acta Geodaetica et Cartographica Sinica >
An Inner FOV Stitching Method for Non-collinear TDI CCD Images
Received date: 2013-12-06
Revised date: 2014-03-19
Online published: 2014-12-02
High-quality inner FoV (field of view) stitching is a necessary step for post-process and application of images captured by spaceborne non-collinear TDI CCD camera. This paper presents an inner FoV stitching method for non-collinear TDI CCD images. The method utilizes the projection plane in object space and the sensor geometric model of the camera to establish the coordinates transformation relation between pixels of the stitched image and pixels of the orginal image, and then performs image resampling to generate the stitched image by indirect image geometric rectification. After describing the strict geometric models of non-collinear TDI CCD images, the basic principle, the potential error sources and the workflow of the method are discussed in detail. Finally, experimental verification is carried out on the high-resolution (HR) camera images of ZY-1 02C satellite, and the accuracy evaluation of the generated stitched images indicates the feasiblity of the presented method.
PAN Jun HU Fen WANG Mi JIN Shuying LI Guoyuan . An Inner FOV Stitching Method for Non-collinear TDI CCD Images[J]. Acta Geodaetica et Cartographica Sinica, 2014 , 43(11) : 1165 -1173 . DOI: 10.13485/j.cnki.11-2089.2014.0180
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