搜索结果: 1-15 共查到“DSMs”相关记录16条 . 查询时间(0.057 秒)
COMPARISON OF UAV-ENABLED PHOTOGRAMMETRY-BASED 3D POINT CLOUDS AND INTERPOLATED DSMs OF SLOPING TERRAIN FOR ROCKFALL HAZARD ANALYSIS
Drones UAV Photogrammetry 3D point clouds Rockfall Structure-from-Motion DSM
2016/10/14
UAVs are expected to be particularly valuable to define topography for natural slopes that may be prone to geological hazards, such as landslides or rockfalls. UAV-enabled imagery and aerial mapping c...
VOLUME BASED DTM GENERATION FROM VERY HIGH RESOLUTION PHOTOGRAMMETRIC DSMS
digital surface model digital terrain model multi-directional ground filtering
2016/7/27
In this paper we propose a new algorithm for digital terrain (DTM) model reconstruction from very high spatial resolution digital surface models (DSMs). It represents a combination of multi-directiona...
CO-REGISTRATION OF DSMs GENERATED BY UAV AND TERRESTRIAL LASER SCANNING SYSTEMS
Co-registration DSM Automation Wavelets Matching UAV Laser Scanning
2016/7/5
An approach for the co-registration of Digital Surface Models (DSMs) derived from Unmanned Aerial Vehicles (UAVs) and Terrestrial Laser Scanners (TLS) is proposed. Specifically, a wavelet-based featur...
AN ACCURACY ASSESSMENT OF DSMS AND ORTHOIMAGES DERIVED FROM ALOS/PRISM AND THEIR AVAILABILITY IN FORESTRY
Satellite Automation Image Matching DEM/DTM Orthoimage Accuracy Forestry
2015/12/28
ALOS PRISM is designed to gather 2.5m resolution triplet images to obtain accurate terrain data. The PRISM triplet images are expected to be used for generating high-precision stable Digital Surface M...
Generation and Analysis of DSMs in Urban Areas Based on DMC-Images
Digital Matching DEM/DTM Aerial Accuracy Quality
2015/12/17
DSMs are a geometric description of the height of the visible terrain surface, including elements like buildings and trees. DSMs became an important source for scene analysis and for 3D feature detect...
ALIGNMENT OF POINT CLOUD DSMs FROM TLS AND UAV PLATFORMS
Point Clouds Alignment UAV TLS Matching
2015/9/10
The co-registration of 3D point clouds has received considerable attention from various communities, particularly those in photogrammetry, computer graphics and computer vision. Although significant p...
Comparison of DSMs generated from mini UAV imagery and terrestrial laserscanner in a cultural heritage application
UAV Laser scanning DEM/DTM Comparison Analysis Accuracy Archaeology
2015/8/24
In this paper we present two different methods, which were applied for the DSM generation of the cultural heritage site Pinchango Alto. The area of interest is a LIP (Late Intermediate Period; 1400 AD...
The filtering of a digital situation model (DSM) containing points located on vegetation and buildings to a digital height model
(DHM) is depending upon the structure of the objects not belonging to...
Influence of temporal baseline on the vertical absolute accuracies of TSX HS interferometric DSMs: Case Study on Berlin
Temporal baseline SAR TSX DSM Accuracy
2014/9/29
In recent years, interferometric sytnthetic aperture radar (InSAR) is one of the most preferred techniques to generate digital surface models (DSM) which are the three dimensional (3D) digital cartogr...
DSMS GENERATION FROM COSMO-SKYMED, RADARSAT-2 AND TERRASAR-X IMAGERY ON BEAUPORT (CANADA) TEST SITE: EVALUATION AND COMPARISON OF DIFFERENT RADARGRAMMETRIC APPROACHES
Digital Surface Models high resolution SAR imagery radargrammetry
2014/4/24
This work is focused on the analysis of potentialities of the radargrammetric DSMs generation using high resolution SAR imagery acquired by three different platforms (COSMO-SkyMed, TerraSAR-X and Rada...
COMPARISON OF TWO FUSION BASED BUILDING CHANGE DETECTION METHODS USING SATELLITE STEREO IMAGERY AND DSMS
Fusion Change detection Building monitoring DSM
2014/4/24
Digital Surface Models (DSMs) can assist building change detection in a variety of approaches. Limited to the quality of DSMsfrom
satellite stereo imagery, it is hard to reach precise change detecti...
A NOVEL 3D CITY MODELLING APPROACH FOR SATELLITE STEREO DATA USING 3D ACTIVE SHAPE MODELS ON DSMS
Building Modelling City DSM/DTM
2014/4/28
Since remote sensing provides new sensors and techniques to accumulate stereo data on urban regions, three-dimensional (3D) repre- sentation of these regions gained much interest for various applicati...
MULTI-LEVEL BUILDING RECONSTRUCTION FOR AUTOMATIC ENHANCEMENT OF HIGH RESOLUTION DSMS
Digital Surface Models(DSM) Generalization Levels of Detail (LOD) Approximation Building prismatic parametric DSM Enhancement
2014/4/25
In this article a multi-level approach is proposed for reconstruction-based improvement of high resolution Digital Surface Models (DSMs). The concept of Levels of Detail (LOD) defined by CityGML stand...
MORPHOLOGIC QUALITY OF DSMs BASED ON OPTICAL AND RADAR SPACE IMAGERY
DSM, SPOT-5 SRTM C-band ASTER GDEM Morphologic quality Comparison
2014/6/5
Digital Surface Models (DSMs) are representing the visible surface of the earth by the height corresponding to its X-, Y-location and
height value Z. The quality of a DSM can be described by the acc...
BUILDING MONITORING WITH DIFFERENTIAL DSMS
DSM, GeoEye-1 IKONOS aerial photos least squares matching semi global matching
2014/6/5
The monitoring of building activity (erection of new buildings, demolishing buildings and especially the change of building heights)
by manual inspection of space and aerial images is time consuming...