搜索结果: 16-30 共查到“测绘科学技术 urban areas”相关记录83条 . 查询时间(0.253 秒)
Registration of High Resolution SAR and Optical Satellite Imagery in Urban Areas
region growing urban area extraction mutual information normalized cross correlation image registration disaster mitigation
2016/1/25
With the launch of high resolution remote sensing satellites in different modalities like TerraSAR-X, WorldView-1 and Ikonos, the
contribution of remote sensing for various applications has received...
Analyzing TerraSAR-X and COSMO-Skymed High-resolution SAR Data of Urban Areas
SAR high-resolution urban area InSAR Persistent Scatterer Interferometry
2016/1/25
The new high-resolution synthetic aperture radar (SAR) satellite systems offer new possibilities for urban remote sensing. COSMO-SkyMed and TerraSAR-X operate in X-band and both can deliver data with ...
Building Height Estimation in Urban Areas from Very High Resolution Satellite Stereo Images
satellite data digital surface model urban area local and global matching empirical comparison height estimation
2016/1/25
The extraction of the third dimension from stereoscopic image pairs is a well known technique. Since in a number of countries aerial
images and laser scanner data are unavailable, expensive or class...
ANALYSIS OF VEGETATION DISTRIBUTION IN URBAN AREAS: SPATIAL ANALYSIS APPROACH ON A REGIONAL SCALE
Vegetation Spatial Autocorrelation Spatial Continuity NDVI Seasonal Fluctuation Ridgeline
2015/12/26
Recently, it is required to investigate the spatial distribution of vegetation in urban areas on a regional scale for not only the improvement of urban environment but also the conservation of ecosyst...
OBJECT-ORIENTED DETECTION OF URBAN AREAS FROM TERRASAR-X DATA
Synthetic Aperture Radar Urban Planning High-resolution Image Thematic Mapping Image Understanding Feature Detection Satellite Remote Sensing
2015/12/26
Urban environments represent one of the most dynamic regions on earth. Even in developed countries the yearly conversion of natural or agricultural space into residential, industrial or transport area...
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...
Automated 3D Reconstruction of Urban Areas from Networks of Wide-Baseline Image Sequences
Computer Vision Virtual Landscape Close Range Photogrammetry
2015/12/16
The efficient automated reconstruction of highly detailed 3D models of urban areas for visualization and analysis is an active area of
research for diverse applications ranging from surveillance to a...
Mobile Lidar Mapping for 3D Point Cloud Collection in Urban Areas - A Performance Test
Three-dimensional Point Cloud Urban
2015/12/16
The use of static terrestrial laser scanning for the 3D data capturing of smaller scenes as well as airborne laser scanning from
helicopters and fixed wing aircraft for data collection of large areas...
A NEW OBJECT-BASED FRAMEWORK TO DETECT SHODOWS IN HIGH-RESOLUTION SATELLITE IMAGERY OVER URBAN AREAS
Shadow Detection Spectral Index High resolution satellite imagery Segmentation Object-based Majority Voting
2016/1/18
In this paper a new object-based framework to detect shadow areas in high resolution satellite images is proposed. To produce shadow map in pixel level state of the art supervised machine learning alg...
Accuracy of Lacunarity Algorithms in Texture Classification of High Spatial Resolution Images from Urban Areas
Accuracy Algorithms Texture Classification High Resolution Urban
2015/12/8
Lacunarity based measures can be described as texture recognition approaches that provide a flexible yet theoretically consistent mean of characterizing the morphology of urban spatial patterns across...
Generation of COARSE 3D Models of Urban Areas from High Resolution Stereo Satellite Image
digital terrain model surface modelling stereo image high resolution
2015/11/23
With the emergence of more and more satellites delivering very high resolution (VHR) imagery with ground sampling distances in the range of one meter or below the generation of three dimensional urban...
Monitoring of Height Changes in Urban Areas from Multi-Temporal, Multi-Scale and Multi-Platform Remotely Sensed Data
Developing Countries Human Settlement Estimation DEM/DTM IKONOS Aerial Multitemporal Multisensor
2015/11/23
This study aims to automatically determine changes in urban areas from multi-temporal, multi-scale, and multi-platform remotely sensed data as a base for estimating changes in population. The data set...
MODELING OF URBAN AREAS FROM HIGH RESOLUTION STEREO SATELLITE IMAGES
VHR data stereo images digital surface models classification urban modelling
2015/9/17
Models of urban areas are an important input for many applications in the field of urban monitoring. Besides the creation and updating of maps from sprawling urban settlements the models are also used...
DEVELOPMENT OF AN INVERSION CODE, ICARE, ABLE TO EXTRACT URBAN AREAS GROUND REFLECTANCES
Urban area hyperspectral reflectance
2015/9/8
Automatic mapping of urban materials from remotely sensed radiance images remains difficult because of the complex physical
phenomena induced by relief. Indeed, shadows and environment effects disrup...
high quality georeferencing of ground-based mobile mapping systems in urban areas: using 3d aerial-extracted roadmarks as ground control objects
Mobile Mapping Autonomous navigation Georeferencing Pose estimation Automation
2015/9/1
We propose a novel image-based strategy for a sub-decimetre quality georeferencing of Mobile Mapping Systems in urban areas. The presented approach uses very high resolution multiple-view calibrated a...