搜索结果: 1-14 共查到“测绘科学技术 Refinement”相关记录14条 . 查询时间(0.09 秒)
REFINEMENT METHOD FOR RESIDENTIAL AREA REVISION USING REMOTE SENSING IMAGE AND GIS DATA IN EARTHQUAKE RISK ASSESSMENT
Earthquake Disaster Risk Assessment Residential Area Revision Remote Sensing
2016/11/30
This paper proposes an automatic approach for residential areas revision by means of analysing the correlation between the residential area and the topographic and geographical factors. The approach c...
AN AUTOMATIC OPTICAL AND SAR IMAGE REGISTRATION METHOD USING ITERATIVE MULTI-LEVEL AND REFINEMENT MODEL
SAR images image registration multi-features multi-measures visual saliency model iteration strategy
2016/11/23
Automatic image registration is a vital yet challenging task, particularly for multi-sensor remote sensing images. Given the diversity of the data, it is unlikely that a single registration algorithm ...
REFINEMENT OF STEREO IMAGE ANALYSIS USING PHOTOMETRIC SHAPE RECOVERY AS AN ALTERNATIVE TO BUNDLE ADJUSTMENT
Stereo Image Analysis Shape from Shading Bundle Adjustment DEM 67P/Churyumov-Gerasimenko
2016/11/8
Topographic mapping, e.g. the generation of Digital Elevation Models (DEM), is of general interest to the remote sensing community and scientific research. Commonly, photogrammetric methods, e.g. ster...
POINT CLOUD REFINEMENT WITH A TARGET-FREE INTRINSIC CALIBRATION OF A MOBILE MULTI-BEAM LIDAR SYSTEM
LIDAR Intrinsic Calibration Mobile Mapping 3D Automatic Computer Processing Velodyne
2016/7/27
LIDAR sensors are widely used in mobile mapping systems. The mobile mapping platforms allow to have fast acquisition in cities for example, which would take much longer with static mapping systems. Th...
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...
Refinement of Urban Digital Elevation Models from Very High Resolution Stereo Satellite Images
VHR satellite data stereo images digital surface models optimization dense stereo matching occlusion mask blunder elimination
2016/1/25
Digital elevation models (DEM) of high resolution and high quality are required for many applications like urban modeling, readiness for
catastrophes or disaster assessment. A good source for the de...
Geometric Refinement of LIDAR Roof Contours Using Photogrammetric Data and Markov Random Field Model
Digital Photogrammetry Building Reconstruction Spatial Analysis
2015/12/16
In this paper, a methodology is proposed for the geometric refinement of LiDAR building roof contours using high-resolution aerial images and Markov Random Field (MRF) models. The proposed methodology...
A Multi-Photo Least Squares Matching Algorithm for Urban Area DEM Refinement Using Breaklines
DEM least squares adjustment least squares matching breaklines occlusion
2015/12/4
High quality digital elevation models (DEMs) are required for a large number of urban applications such as; telecommunication, urban development, and city planning and management. Sudden changes in su...
Evaluation of use of remote-sensing imagery in refinement of geologic mapping for seismic hazard zoning in northern los angeles county, California
Remote Sensing Seismic Hazard Zoning Geologic Mapping
2015/8/21
The California Seismic Hazards Mapping Act of 1990 directs the California Geological Survey (CGS) to delineate seismic hazard
zones of required investigation for earthquake-induced ground failures - ...
DATA MINING AND ITS APPLICATION IN DATABASE CONTENT REFINEMENT
Data mining NFGIS 1:50,000 DLG database Content Refinement Clustering Analysis
2015/8/10
At present, China has established a series of National Fundamental Geographical Information System (NFGIS) databases which provide a united and authoritative space platform for GIS user communities an...
REGION REFINEMENT AND PARAMETRIC RECONSTRUCTION OF BUILDING ROOFS BY INTEGRATION OF IMAGE AND HEIGHT DATA
Building reconstruction Feature extraction Segmentation LiDAR Data fusion Photogrammetry
2015/8/7
The refinement of the features extracted from image data is a key issue in automated building extraction since feature extraction algorithms often result in incomplete features. This paper describes a...
In this paper we present a voxel-based object reconstruction technique to compute photo realistic volume models of real world
objects from multiple color images. The 3D object acquisition is performe...
A HYBRID APPROACH TO EXTRACTION AND REFINEMENT OF BUILDING FOOTPRINTS FROM AIRBORNE LIDAR DATA
Urban Building Extraction LIDAR Point Cloud Three-dimensional
2014/5/8
This work presents a combined bottom-up and top-down approach to extraction and refinement of building footprints from airborne
LIDAR data. Building footprints are interesting for many applications ...
REFINEMENT OF DIGITAL SURFACE MODELS THROUGH CONSTRAINED CONNECTIVITY PARTITIONING OF OPTICAL IMAGERY
High resolution very high resolution Data fusion
2014/6/5
One of the tasks of ISFEREA action at the Joint Research Center (JRC) in Ispra, Italy, is to assess changes in land cover after natural
disasters using satellite imagery. To describe the pre-event a...