搜索结果: 1-9 共查到“测绘仪器 3D”相关记录9条 . 查询时间(0.14 秒)
针对2D/3D点包含判定方法的复杂和低效问题,提出基于点圆理论的方法:分类描述奇异情形在点圆中的投影、叠加特征及判定方法,将3D点包含测试转换为与2D点包含测试一致的算法(除子平面方程系数计算外)。筛选和累加与射线相交的射线以上或以下的线段,据此奇偶性判定3D或2D点包含;解析2D射线与多边形相交连续线段内节点的几何特征,即y坐标要么都大于、要么都小于测试点,构建高效2D点包含增量筛选射线法。实验...
evaluation of the potential of pleaides system for 3d city models production : building, vegetation and dtm extraction
PLEIADES geometric modelling surface reconstruction digital surface models
2015/9/1
ThePleiades system developed by theFrench space agency CNESshall be ready for launch in early 2009. It deals with a new generation of high resolution optical satellites. The great agility of Pleiades ...
Urban 3D modelling using terrestrial laserscanners
Urban Three-dimensional Laser scanning Registration
2015/8/24
This paper describes a technique for 3D Reconstruction of large outdoor areas using terrestrial laser scanning. It presents the paradigm for automated 3D registration and requirements of the positioni...
ORDERING CRITERIA AND INFORMATION FUSION IN 3D LASER SURVEYING OF SMALL URBAN SPACES
Laser Scanner Surveying Architecture Data Processing Virtual Reality
2015/8/7
The introduction of laser-based photogrammetry in the surveying of Cultural Heritage provides an increasing volume of data, which
requires multi-resolution approaches for analyzing and displaying th...
SIGNIFICANCE OF DIGITAL RECONSTRUCTION OF HISTORIC BUILDINGS USING 3D LASER SCANNER CASE STUDY: PRASAT SUOR PRAT N1 TOWER, ANGKOR, CAMBODIA
Digital archives Laser scanner Cultural heritage Historic buildings World heritage
2015/5/25
A scanning device generally referred to as a "laser scanner", used to obtain 3D data of the objects by irradiating laser beams, is enjoying a steady rise in the number of users in the field of cultura...
RECONSTRUCTION WITH LASER SCANNING AND 3D VISUALIZATION OF ROMAN MONUMENTS AND REMAINS IN TYRE, LEBANON
Laser Scanning Cultural heritage Reconstruction Visualization CG animation
2015/5/25
3D scanning using laser scanners has been recognized as one of the most efficient and accurate way to record and reconstruct digitally large-scale cultural heritages. The authors report on 3D scanning...
3D REPRESENTATION OF HISTORICAL STRUCTURE FOR DIGITAL ARCHIVES BY LASER SCANNER
Laser Scanner 3D Representation Historical Structure Marching Cube Surface Rendering
2015/5/25
Recording, mapping, 3D modeling and visualization of cultural heritage are currently receiving more attention for use in digital archives or VR museum. However, 3D Representation of historical structu...
PILOT APPLICATION OF 3D UNDERWATER IMAGING TECHNIQUES FOR MAPPING POSIDONIA OCEANICA (L.) DELILE MEADOWS
Posidonia oceanica optical instruments 3D mapping 3D reconstruction quality status
2015/4/23
Seagrass communities are considered one of the most productive and complex marine ecosystems. Seagrasses belong to a small group of 66 species that can form extensive meadows in all coastal areas of o...
Synergistic use of Imager Window observations for Cloud Clearing of Sounder Observation for INSAT-3D
Cloud-clearing INSAT-3D Sounder Imager Clear-sky Probability
2014/12/15
The retrieval of atmospheric temperature and water vapor profiles from infrared Sounder are severely limited by the presence of cloud. Therefore, retrieval from infrared sounding observations is perfo...