文章基本信息

标题：Mapping potential of the IRS-1C Pan satellite imagery
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作者：Costas Armenakis ; Florin Savopol
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：1998
卷号：XXXII Part 4
出版社：Copernicus Publications
摘要：The current and upcoming high resolution satellite imagery is expected to have a significant impact on the topographicmapping applications of primary data acquisition and especially on the updating of databases. The Centre forTopographic Information (CTI), Geomatics Canada has initiated an investigation to evaluate the use of space imagery inthe national topographic program from technical, systems and economic points of view. For this purpose a scene and thethree CCD scenes from the PAN camera of the Indian Remote Sensing satellite IRS-1C were acquired covering the eastof Ottawa region. The initial tests conducted aimed to examine the geometric and radiometric characteristics of theimagery, the detectability and identification of topographic features for data collection and database updating, as well asthe suitability of the existing system and the determination of additional requirements. The performance of existing linescanner sensor modelling was tested on the entire IRS-1C scene, on a sub-scene consisting of segments from the threeimage arrays and on an array sub-scene. Orthoimages were produced from contour generated DEM and geometricallytested. Extraction and classification of topographic features were evaluated from the orthoimagery in a monoscopicmode. For 1:50000 mapping, initial results showed that the imagery can meet the accuracy requirements and whencontextual information is available has the potential to support the updating of certain features in new suburbandevelopments and in non urban areas
关键词：IRS-1C; PAN camera; satellite imagery; orthorectification; monoscopic-mode; topographic mapping