搜索结果: 46-60 共查到“知识库 光电子学与激光技术”相关记录1642条 . 查询时间(5.395 秒)
Building Exctraction from Laser Scanning Data
Hough Transform Laser Scanning City Modeling Orientation Estimation
2015/12/8
Laser scanning systems are frequently used to provide the digital surface models, DSM, of the earth surface. Laser scanning is a fast and precise technique to extract information related with various ...
Terrain Classification Using Airborne LIDAR Data and Aerial Imagery
Airborne Laser Scanning LIDAR, Aerial Imagery Bare-Earth Estimation Classification Spectral Analysis
2015/12/8
Updated geographic information and 3-D environment models are becoming increasingly important for both military and civilian applications such as simulation, mission planning, visualization, landscapi...
An Approach from Point Cloud plus Feature Data to Grid DEM
DEM LIDAR Point Cloud Feature Data Pattern Recognition
2015/12/8
Data sets acquired by LIDAR consist of land surface information and non-surface information, through some filter methods can get rid of non-surface information, but leave behind non-data area, some im...
Impact of an Optimized Position and Orientation System on the Final Accuracy of LIDAR Data
LIDAR geo-referencing advancement accuracy analysis processing comparison data acquisition
2015/12/8
Airborne (or mobile) laser scanning is used to generate high-accuracy data for various mapping and remote sensing applications. In recent studies by Optech Incorporated, Optech’s Airborne Laser Terrai...
An Approach for Filtering LIDAR Data in Coastal Vegetated Areas Using Intensity Information and Multiple Echoes
LIDAR coast vegetation classification intensity multiple echoes DTM generation
2015/12/8
Accurate digital terrain models (DTM) are one of the most important requirements for many applications in coastal management and safety, such as the calculation of the volume of dunes and dikes for th...
Section Approach for Representation of 3-Dimentional Point Clouds
Laser scanning Point Cloud, Surface Archaeology Three-dimensional Precision
2015/12/8
This article expatiates on representation of irregular hemisphere surface of a niche for Buddha by plane graph with three-dimensional point cloud data associating with the Dunhuang Mogao Caves three-d...
Airborne Laser Scanning Data Filtering Using Flakes
airborne laser scanning filtering flakes variational modelling filtering errors
2015/12/8
Generation of digital terrain model on the basis of airborne laser scanning data requires extracting exclusively these points from the raw point cloud which are reflections of a laser beam from the gr...
Building Boundary Extraction Based on LIDAR Point Clouds Data
LIDAR Laser Scanning Point Clouds Algorithms Building Extraction Processing
2015/12/8
LIDAR (Light Detection And Ranging) is an active remote sensing system, which could provide fleetly three dimensional information of earth surface with high vertical accuracy. Now the building boundar...
Calibration;Infrared;Image;Camera;LIDAR;Radiometry;Close Range
Laser Scanning (LIDAR) Co-Registration Matching Buildings
2015/12/4
When LIDAR data is considered as data source for 3D models of urban areas, there is the choice between airborne and terrestrialsystems. They have different characteristics like resolution or scene ext...
Problems in Automated Building Reconstruction Based on Dense Airborne Laser Scanning Data
Laser scanner Three Dimensional Building Reconstruction Problem Urban
2015/12/4
Reconstructing buildings in 3D has been a challenging research topic for at least ten years, and will be in future as long as acquisition systems are improving and model requirements are increasing. D...
Combinative Representation of TLS Point Cloud and 3D Virtual Reality for Cultural Heritage Preservation Planning
Combination Laser Scanning Point Cloud Representation Reconstruction Virtual Reality Cultural Heritage
2015/12/3
A method for representation of 3D VR by combination of 2D and 3D models is. It improves the process of 3D scene building by importing of models from TLS point cloud data and it is supposed to be an ef...
Fast Continuous 360 Degree Color 3D Laser Scanner
3D laser scanning Data Acquisition Multiview geometry Calibration Texture mapping
2015/11/20
There are many needs for the ability to fast acquire 3D data from environmental surroundings, such as navigation, mapping, localisation and robot mobility, fire and police planning, urban planning, bu...
The Documentation of the Medieval Entrance of the Rhodes Fortification Complex
3D documentation of cultural heritage orthophotomosaics terrestrial laser scanning surface model texture mapping
2015/11/13
The documentation and reconstruction of cultural heritage monuments represents a permanent record of the real world object in its original position and has been greatly facilitated with the technologi...
3D Modelling of Heritage Objects by Fringe Projection and Laser Scanning Systems
Cultural Heritage 3D Digitization Laserscanning Modeling Documentation
2015/11/13
The treasure of the Essen cathedral in Germany is one of the few collections of medieval art completely preserved in the course of history, including approximately 250 objects such as crosses, crowns,...
Laser Scanning Methodology for the Structural Modelling
Laser scanning Cultural Heritage Application Reconstruction Modelling Analysis
2015/11/13
Laser scanning methodology which has been used in different sectors, allow surveying an object by means of very dense and accurate point clouds acquisitions. The alignment and co-registration in a def...