The research presented in this paper is focused on extracting building's feature from laser scanning data, especially captured by vehicle-borne laser scanning systems.
本文研究从激光扫描数据中进行建筑物特征提取，研究重点是车载激光扫描数据分类和建筑物特征提取。
For the laser scanning data of a building fa? Ade, which is featured with huge amount of data and complex point cloud, it is difficult to extract building's feature information.
对于建筑物立面的激光扫描数据来说，具有数据量大，点云复杂等特点，提取建筑物特征信息具有一定难度。
This study proposed an algorithm for building model reconstruction from airborne laser scanning data, based on feature line detection and separation of planimetric and height computations.
该方法以投影为基础，以平高分解为手段，通过在多个投影平面内逐步确定平面、高程信息实现特征线提取及模型重建。
This paper is devoted to describe the principle converting the data measured by a laser scanning automatic size detecting device into the bar-form-diagram through a series of transformations.
本文通过一系列变换函数和映射函数，论述了如何将激光扫描尺寸自动检测仪测得的数据转换成棒状图的原理。
Through Laser 3-dimension Scanning technology the 3-d model of static object can be acquired fast, precisely and multi-directionally, the model and its data can be analyzed and proceed further.
激光三维扫描技术能够快速、精确、多方位地获取静态物体的三维模型，并对模型进行进一步的分析和数据处理。
The Cavity-Autoscanning Laser System (C-ALS) has the features of automatic scanning, easy operation and simple data processing, and the detection personnel do not need to enter the cavity.
采空区三维激光扫系统(C -ALS)具有全自动扫描、操作方便、数据处理简单等特点，同时探测人员无须进入空区。
The system has two laser scanning distance meters mounted on the roof of the vehicle, and the horizontal and vertical data are sampled separately.
该系统有两个激光扫描测距仪安装在屋顶上的车辆，和单独的水平和垂直的数据进行采样。
Methods By laser scanning apparatus the plaster face model was scanned and the primitive face point data were acquired.
方法通过激光扫描仪对一例单侧眼眶部缺损石膏面部模型进行数据采集。
As a data collecting method, laser scanning technology has been gradually applied in surveying engineering.
作为一种采集数据的手段，激光扫描技术已逐步应用到测量工作中来。
Due to physical limits, a three-dimensional laser scanning can't acquire all the data object, so to scanning point clouds for stitching.
由于物理上的一些限制，一次三维激光扫描不能获取扫描物体的全部数据，因此要对扫描点云进行拼接。
The working principle of the three dimension laser ranger scanning and the principle of spatial positioning for three dimension data capturing are firstly given in this paper.
本文首先给出了三维激光扫描的基本工作原理和三维数据采集的空间定位原理。
Aerial photography and photogrammetry, airborne and terrestrial laser scanning, mobile mapping system and GPS positioning contrihuted to the great increase of accuracy and speed of data acquisition.
机载与地面激光扫描、地面移动测量与GPS定位等传感器的精度与速度都有了明显的提高。
This paper presents a 3d laser scanning rapid data acquisition system with the laser sensor and POS, which is designed for 3d scanning the both sides of railway.
本文给出一种利用激光传感器与导航POS组成的车载三维激光数据快速采集系统，对铁道两侧的地形、地物进行三维扫描。
Spatial 3d point cloud can be quickly captured on object surface by laser scanning, however its data volume is huge.
三维激光扫描获得的点云数据，其数据量比较大。
First, we validated the feasibility of the calibration method by simulated data, and then, we carried out experiments on the platform of 3d laser scanning system.
我们首先通过数值仿真验证了标定方法的可行性，接着在本文的三维激光测量系统平台上进行了实验。
First, we validated the feasibility of the calibration method by simulated data, and then, we carried out experiments on the platform of 3d laser scanning system.
我们首先通过数值仿真验证了标定方法的可行性，接着在本文的三维激光测量系统平台上进行了实验。
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