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The UN Open GIS Initiative is to identify and develop, under UN guidance, an Open Source GIS bundle that meets the requirements of UN operations, taking full advantage of the expertise of mission part...
IMAGE-BASED AIRBORNE LiDAR POINT CLOUD ENCODING FOR 3D BUILDING MODEL RETRIEVAL
Point Cloud Encoding Spatial Histogram 3D Model Retrieval Cyber City Modeling
2016/12/1
With the development of Web 2.0 and cyber city modeling, an increasing number of 3D models have been available on web-based model-sharing platforms with many applications such as navigation, urban pla...
AN APPROACH TO ALLEVIATE THE FALSE ALARM IN BUILDING CHANGE DETECTION FROM URBAN VHR IMAGE
Change detection False alarm Shadow Spatial topological relation
2016/11/23
Building change detection from very-high-resolution (VHR) urban remote sensing image frequently encounter the challenge of serious false alarm caused by different illumination or viewing angles in bi-...
PRELIMINARY RESULTS OF EARTHQUAKE-INDUCED BUILDING DAMAGE DETECTION WITH OBJECT-BASED IMAGE CLASSIFICATION
Ercis-Van Earthquake Object-Based Image Classification Building Damage Detection
2016/11/23
Earthquakes are the most destructive natural disasters, which result in massive loss of life, infrastructure damages and financial losses. Earthquake-induced building damage detection is a very import...
BUILDING CHANGE DETECTION BY COMBINING LiDAR DATA AND ORTHO IMAGE
LiDAR data Ortho Image DSM Building 3D Change Detection
2016/7/28
The elevation information is not considered in the traditional building change detection methods. This paper presents an algorithm of combining LiDAR data and ortho image for 3D building change detect...
IMPACT OF BUILDING HEIGHTS ON 3D URBAN DENSITY ESTIMATION FROM SPACEBORNE STEREO IMAGERY
Urban Density Building Density 3D Density Building Height Floor Area Ratio Stereo Imagery Impact
2016/7/28
In urban planning and design applications, visualization of built up areas in three dimensions (3D) is critical for understanding building density, but the accurate building heights required for 3D de...
KNOWLEDGE BASED 3D BUILDING MODEL RECOGNITION USING CONVOLUTIONAL NEURAL NETWORKS FROM LIDAR AND AERIAL IMAGERIES
Deep Learning Convolutional Neural Network Pattern Recognition LiDAR 3D Building Model
2016/7/28
In recent years, with the development of the high resolution data acquisition technologies, many different approaches and algorithms have been presented to extract the accurate and timely updated 3D m...
FIRST PRISMATIC BUILDING MODEL RECONSTRUCTION FROM TOMOSAR POINT CLOUDS
TerraSAR-X tomographic SAR inversion (TomoSAR) 4D point clouds building reconstruction watershed segmentation
2016/7/27
This paper demonstrates for the first time the potential of explicitly modelling the individual roof surfaces to reconstruct 3-D prismatic building models using spaceborne tomographic synthetic apertu...
AUTOMATIC EXTRACTION OF BUILDING OUTLINE FROM HIGH RESOLUTION AERIAL IMAGERY
Point Cloud Extraction Building Image Outline Automation
2016/7/27
In this paper, a new approach for automated extraction of building boundary from high resolution imagery is proposed. The proposed approach uses both geometric and spectral properties of a building to...
AUTOMATIC EXTRACTION AND REGULARIZATION OF BUILDING OUTLINES FROM AIRBORNE LIDAR POINT CLOUDS
Buildings Outlines Algorithm LiDAR Extraction Regularization
2016/7/27
Building outlines are needed for various applications like urban planning, 3D city modelling and updating cadaster. Their automatic reconstruction, e.g. from airborne laser scanning data, as regulariz...
SEMI-AUTOMATIC BUILDING MODELS AND FAÇADE TEXTURE MAPPING FROM MOBILE PHONE IMAGES
Building extraction stereo matching 3D reconstruction rendering texture mapping
2016/7/27
Research on 3D urban modelling has been actively carried out for a long time. Recently the need of 3D urban modelling research is increased rapidly due to improved geo-web services and popularized sma...
A FAST AND FLEXIBLE METHOD FOR META-MAP BUILDING FOR ICP BASED SLAM
LiDAR 3D point cloud ICP SLAM Mobile Mapping
2016/7/27
Recent developments in LiDAR sensors make mobile mapping fast and cost effective. These sensors generate a large amount of data which in turn improves the coverage and details of the map. Due to the l...
THE BUILDING OF WATER INFORMATION PUBLISHING SYSTEM FOR ANHUI PROVINCES
Water information Asp.net C# Publish on Internet ArcIMS
2016/3/17
Publishing Water information on internet can provide people real time rain and water information. The author takes anhui province water information as example to research the design of waterinformatio...
DETECTING BUILDING CHANGES FROM AERIAL IMAGES USING HEIGHT INFORMATION
Change Detection Aerial Stereo Images Edge Detection VLL Matching
2015/12/31
A new approach of detecting urban building changes using edge detection and VLL (vertical line locus) matching method is presented. The approach mainly contents three steps. First step, edges are extr...
SPECTRAL ANALYSIS OF BUILDING MATERIALS USED IN JAPAN
Urban Hyper spectral Spectral Library Building Classification
2015/12/26
To conduct appropriate urban planning for a given area, understanding latent urban problems such as excessive concentration of population, aging of residents, and grasping temporal changes in both soc...