摘要
针对1∶50 000地形图现势性差、更新效率低等问题,以SPOT 5全色和多光谱影像作为主要信息源,经过DLG制作和对图像增强、配准、融合、正射纠正等一系列处理后,在ARCGIS基础上,成功完成北京市全市1:50 000地形图的快速更新及其基础地理信息库的建立。
Aiming at the slow updating speed and low updating efficiency of 1 ： 50,000 topographical maps, it uses SPOT 5 panchromatic images and SPOT 5 multispectral images as the main spatial information data. After the making of DLG and a series of images processing such as enhancement, registration, merging and orth-correction, it has completed the quick updating of 1 ： 50000 topographic maps and the basic GIS database of Beijing based on ArcGIS successfully.
出处
《黑龙江工程学院学报》
CAS
2006年第2期27-30,共4页
Journal of Heilongjiang Institute of Technology
关键词
SPOT5
影像
地形图
更新
精度
SPOT 5
image
topographical map
updating
vector
precision
