遥感影像在矿区地形图更新中的应用
首发时间:2010-11-12
摘要:针对矿区更新地形图的必要性和迫切性,本文采用淮北市陈庄地区2005年的SPOT-5影像作为遥感数据源,对其进行图像增强、几何校正、配准、融合、裁剪等一系列的影像处理,将处理后的影像作为底图与经过坐标、投影转化和分层矢量化的2003年的1:5000地形图进行叠加、判读、对居民地、道路、水系三方面的主要地物进行更新,生成2005年的1:5000地形图。研究发现经过处理后的遥感影像精度接近1:5000地形图的更新要求。
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Experiment of Updated Topographic Maps of the Chenzhuang Area Based on Remote Sensing Images
Abstract:The question is that renewal topographical map necessity and urgency for coal mine area. In the article, the remote sensing data source is SPOT-5 image of Chenzhuang Area of Huaibei in 2005. After the series of processing to the image, such as image enhancement, geometric correction, registration, merging, clipping, was regarded as base map, which is superimposed and interpreted with the 1:5000 topographic maps in 2003 after coordinate, projection transforming and vector stratifying. By updating the main ground object such as settlement place, road and water system, we get the 1:5000 topographic maps in 2005. The renewed result shows that the precision of the processed remote sensing images is able to meet the need of 1:5000 topographic maps updating.
Keywords: topographical maps update SPOT-5 large-scale topographical maps precision
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