搜索结果: 1-15 共查到“测绘科学技术 Vertical”相关记录23条 . 查询时间(0.116 秒)
A POINT CLOUD CLASSIFICATION APPROACH BASED ON VERTICAL STRUCTURES OF GROUND OBJECTS
airborne LiDAR vertical structural characteristics urban point cloud ground objects classification
2018/5/17
This paper proposes a novel method for point cloud classification using vertical structural characteristics of ground objects. Since urbanization develops rapidly nowadays, urban ground objects also c...
VERTICAL ACCURACY EVALUATION OF ASTER GDEM2 OVER A MOUNTAINOUS AREA BASED ON UAV PHOTOGRAMMETRY
Global Digital Elevation Model ASTER GDEM2 UAV Photogrammetry Accuracy Evaluation Geodesy
2018/6/4
Global digital elevation models (GDEM) provide elementary information on heights of the Earth’s surface and objects on the ground. GDEMs have become an important data source for a range of application...
USE OF VERTICAL AERIAL IMAGES FOR SEMI-OBLIQUE MAPPING
Aerial photogrammetry Oblique camera Modelling Mapping
2017/7/13
The paper proposes a methodology for the use of the oblique sections of images from large-format photogrammetric cameras, by exploiting the effect of the central perspective geometry in the lateral pa...
VERTICAL ACCURACY COMPARISON OF DIGITAL ELEVATION MODEL FROM LIDAR AND MULTITEMPORAL SATELLITE IMAGERY
Vertical Accuracy LiDAR DEM Multitemporal Stereo Satellite Imagery DEM
2017/7/13
Digital elevation model serves to illustrate the appearance of the earth's surface. DEM can be produced from a wide variety of data sources including from radar data, LiDAR data, and stereo satellite ...
VERTICAL ACCURACY ASSESSMENT OF ZY-3 DIGITAL SURFACE MODEL USING ICESAT/GLAS LASER ALTIMETER DATA
Accuracy assessment ZY-3 stereo images DSM ICESat/GLAS
2017/7/12
The Ziyuan-3 (ZY-3) satellite, as the first civilian high resolution surveying and mapping satellite in China, has a very important role in national 1 : 50,000 stereo mapping project. High...
AUTOMATIC GENERATION OF BUILDING MAPPING USING DIGITAL,VERTICAL AND AERIAL HIGH RESOLUTION PHOTOGRAPHS AND LIDAR POINT CLOUDS
Cartography Automatic Extraction Photogrammetry Aerial Photographs Image Segmentation
2016/11/23
The objective of this research is automatic generation of buildings in the interest areas. This research was developed by using high resolution vertical aerial photographs and the LIDAR point cloud th...
THE POTENTIAL OF LOW-COST RPAS FOR MULTI-VIEW RECONSTRUCTION OF SUB-VERTICAL ROCK FACES
UAV Close Range Photogrammetry Structure from Motion Action Camera Calibration Accuracy Coded Targets Natural Features
2016/11/11
The current work investigates the potential of two low-cost off-the-shelf quadcopters for multi-view reconstruction of sub-vertical rock faces. The two platforms used are a DJI Phantom 1 equipped with...
TREE STEM RECONSTRUCTION USING VERTICAL FISHEYE IMAGES: A PRELIMINARY STUDY
Dense Reconstruction Fisheye Image Rectification Photogrammetry
2016/11/11
A preliminary study was conducted to assess a tree stem reconstruction technique with panoramic images taken with fisheye lenses. The concept is similar to the Structure from Motion (SfM) technique, b...
VERTICAL ACCURACY ASSESSMENT OF 30-M RESOLUTION ALOS, ASTER, AND SRTM GLOBAL DEMS OVER NORTHEASTERN MINDANAO, PHILIPPINES
AW3D30 ASTER GDEM2 SRTM-30m Digital Elevation Model Accuracy Assessment Philippines
2016/11/8
The ALOS World 3D – 30 m (AW3D30), ASTER Global DEM Version 2 (GDEM2), and SRTM-30 m are Digital Elevation Models (DEMs) that have been made available to the general public free of charge....
DUBAI 3D TEXTUERD MESH USING HIGH QUALITY RESOLUTION VERTICAL/OBLIQUE AERIAL IMAGERY
Oblique Texturing 3D Dense Matching Mesh Dubai Municipality DSM
2016/7/27
Providing high quality 3D data with reasonable quality and cost were always essential, affording the core data and foundation for developing an information-based decision-making tool of urban environm...
VISUALIZATION OF NASA A-TRAIN VERTICAL DATA ON GOOGLE EARTHTM
Vertical Data Orbit Curtain A-Train Google Earth COLLADA CloudSat CALIPSO
2015/12/28
Google Earth is becoming a popular browser for online geographic-related data and information. It integrates satellite imagery, aerial photography, digital map data, and social-economic data to make a...
A Method for Urban Buildings Change Detection Based on Vertical Edges Extraction
Vertical Edge Change Detection Vanishing Point Photogrammetry Edge Extracting Line Detection
2015/12/9
This paper proposes a method for buildings change detection. Vertical edges of buildings are extracted in pairs of aerial images respectively, taking advantage of the character that vertical edges int...
DEVELOPMENT OF A PROCEDURE FOR VERTICAL STRUCTURE ANALYSIS AND 3D-SINGLE TREE EXTRACTION WITHIN FORESTS BASED ON LIDAR POINT CLOUD
Canopy Vertical structure Tree crown 3D model Lidar Point cloud
2015/11/10
A procedure for both vertical canopy structure analysis and 3D single tree extraction based on Lidar raw point cloud is presented in this paper. The whole study area is segmented into small study cell...
TEACHING CARTOGRAPHY THROUGH VRML: INCLUDING BREAKLINES AND VERTICAL WALLS IN TINS TO RENDER ARCHAELOGICAL SITES
Archaeology Learning Rendering
2015/8/24
The Bologne process stresses the importance of developing professional skills. In Cartography nowadays, a very
important competence is to understand and asses competitive software. The cartographic ...
ROUTE GUIDING WITH VERTICAL CONSIDERATION FOR VISITORS ON FOOT
Spatial Information Sciences GIS Navigation Decision Support Networks
2015/6/1
Route guiding has become increasingly essential in pedestrian navigation within the urban space. Large buildings of multi-stories (such as hotel, hospital, and airport complexes) dominate the urban se...