搜索结果: 1-15 共查到“工学 roof”相关记录46条 . 查询时间(0.156 秒)
AUTOMATIC 3D RECONSTRUCTION OF BUILDINGS ROOF TOPS IN DENSELY URBANIZED AREAS
3D reconstruction RANSAC plane fitting moments of inertia Automation Building
2018/11/9
3D reconstruction of the urban environment constitutes a well-studied problem in the field of photogrammetry and computer vision, attracting the growing interest of the scientific community, for many ...
EXTRACTION OF BUILDING ROOF EDGES FROM LIDAR DATA TO OPTIMIZE THE DIGITAL SURFACE MODEL FOR TRUE ORTHOPHOTO GENERATION
LiDAR Aerial photos Edge Detection DSM True Orthophoto
2018/6/5
Various kinds of urban applications require true orthophotos. True orthophoto generation requires a DSM (Digital Surface Model) to project the photo orthogonally and minimize geometric distortion due ...
BUILDING ROOF BOUNDARY EXTRACTION FROM LiDAR AND IMAGE DATA BASED ON MARKOV RANDOM FIELD
Markov Random Field LiDAR Aerial images Building roof boundary
2017/7/12
In this paper a method for automatic extraction of building roof boundaries is proposed, which combines LiDAR data and highresolution aerial images. The proposed method is based on three steps. In the...
ROOF TYPE SELECTION BASED ON PATCH-BASED CLASSIFICATION USING DEEP LEARNING FOR HIGH RESOLUTION SATELLITE IMAGERY
Roof Reconstruction High Resolution Satellite Imagery Deep Learning Method Convolutional Neural Networks
2017/7/13
3D building reconstruction from remote sensing image data from satellites is still an active research topic and very valuable for 3D city modelling. The roof model is the most important component to r...
RECONSTRUCTING BUILDINGS WITH DISCONTINUITIES AND ROOF OVERHANGS FROM OBLIQUE AERIAL IMAGERY
Aerial Oblique Building Reconstruction Discontinuities Roof Overhangs Texture Mapping CityGML
2017/7/13
This paper proposes a two-stage method for the reconstruction of city buildings with discontinuities and roof overhangs from oriented nadir and oblique aerial images. To model the structures the input...
SURVEY OF THE PAGODA TIMBER ROOF IN DERNEBURG CASTLE
Timber structures Structural analysis Roof CAD representation Laser scanner survey
2017/6/20
The work analyses the historical roof of Derneburg Castle, in the municipality of Holle, Hildesheim’s district, Lower Saxony, Germany. The roof is assembled according to Laves Balken’s system (Laves b...
IMPROVEMENT EVALUATION ON CERAMIC ROOF EXTRACTION USING WORLDVIEW-2 IMAGERY AND GEOGRAPHIC DATA MINING APPROACH
Geographical Data Mining GEOBIA WorldView-2 Ceramic roof C4.5 Decision Tree Classification accuracy
2016/11/24
Advances in geotechnologies and in remote sensing have improved analysis of urban environments. The new sensors are increasingly suited to urban studies, due to the enhancement in spatial, spectral an...
EXTRACTION OF ROOF LINES FROM HIGH-RESOLUTION IMAGES BY A GROUPING METHOD
Markov Random Field ALS Straight line
2016/7/28
This paper proposes a method for extracting groups of straight lines that represent roof boundaries and roof ridgelines from highresolution aerial images using corresponding Airborne Laser Scanner (AL...
AN IMPROVED SNAKE MODEL FOR REFINEMENT OF LIDAR-DERIVED BUILDING ROOF CONTOURS USING AERIAL IMAGES
Building Roof Contour Refinement Aerial Images Snake Model Greedy Algorithm
2016/7/27
Building roof contours are considered as very important geometric data, which have been widely applied in many fields, including but not limited to urban planning, land investigation, change detection...
AUTOMATIC BUILDING EXTRACTION AND ROOF RECONSTRUCTION IN 3K IMAGERY BASED ON LINE SEGMENTS
Building detection line segment detection DSM morphological filtering RANSAC plane fitting vegetation identification
2016/7/27
We propose an image processing workflow to extract rectangular building footprints using georeferenced stereo-imagery and a derivative digital surface model (DSM) product. The approach applies a line ...
AVOIDING THE BLUE ROOF DATA DURING EXTRACTING VEGETATION FROM HIGH RESOLUTION IMAGES
Blue roof Extraction vegetation Global Environment Monitoring Index land cover Nanjing Quick Birds
2016/3/17
The very high resolution multispectral satellites imagery, such as IKONOS and Quickbird satellite provides a level of detail compatible with urban mapping, it collect images which are a need to classi...
AUTOMATIC RECONSTRUCED ROOF SHAPES FOR LIDAR STRIP ADJUSTMENT AND QUALITY CONTROL
LIDAR Reconstruction Adjustment Building Point Cloud Quality
2016/2/29
In the recent years, the performance of LiDAR systems was improved by acquisition of the terrain surface with steadily increasing
point densities. However, the main error sources affecting the quali...
With the rapid improvement of LIDAR systems regarding point density and accuracy in relation to the (application dependent)
requirements, robustness, efficiency and automation of the modeling process...
LiDAR Strip Adjustment using Automatically Reconstructed Roof Shapes
LIDAR Reconstruction Adjustment Building Point Cloud Quality
2016/1/25
LiDAR systems have been established as technology for fast and high-resolution acquisition of 3D point clouds. In general, LiDAR
data acquisition is conducted by private companies who are also respo...
Classification of Roof Materials for Rainwater Pollution Modelization
Supervised classifi cation Image segmentation Roofi ng materials Roofs Rainwater pollution
2016/1/25
It has been proven that roof runoff water plays an important role in the high metallic concentration levels in urban rainwater since
metallic elements are generated by corrosion of roof materials bef...