摄影测量,顾名思义,就是采用摄影的方法进行测量工作的一门学科。激光雷达虽然价格高昂,但是采集速度快,效果较好,数据量大,近几年也被广泛的采用。摄影测量与激光雷达的目的都是为了获取物体属性及其他信息。 Photogrammetry, as its name implies, is a discipline that uses photographic methods for measurement. Although the high price of laser radar, but the acquisition speed, the effect is better, the amount of data, in recent years has also been widely adopted. The purpose of photogrammetry and laser radar is to obtain object attributes and other information.