摘要
介绍了扫描仪在测绘(地图)生产中实际操作的重点,分析了选取影像中最亮点与最暗点的重要性,阐述了其原理及在实际工作中的应用。
Based on experiences of scanning work for many years, This paper introduces some key points of scanner operation in surveying and mapping production,and then explains its principles and applications.
出处
《测绘信息与工程》
2006年第3期26-28,共3页
Journal of Geomatics
关键词
航片扫描
黑白平衡
直方图
像素
scanning
black-white balanec
histogram
pixel
