Laser Scanning的基本原理及其应用前景

Basic Principle of Laser Scanning and It's Application

首先介绍了激光测距仪的发展历程,针对应用领域的不同,分别对3维激光成像仪和机载/星载激光测高仪的测量原理进行了阐述,并分别介绍了两种激光测距仪的工作流程以及数据处理流程,最后对两种激光测距仪的应用范围进行了阐述,并把两种激光测距技术和普通摄影测量进行了比较,指出了激光测距技术相对于普通摄影测量的优点,即高精度性、穿透性、实时性。

The development of Laser Scanning is introduced in this paper. According to different fields for application, the 3-D laser imaging and the airborne laser scanning is set forth respectively, then their principles of measurement and workflows are explained. At the end, the areas for their applieafions are introdueed and their characteristics are compared to photogrammetry＇ s and their advantages are indieated, namely, high precision, penetrability and real- time.