搜索结果: 1-15 共查到“测绘科学技术 Data sets”相关记录18条 . 查询时间(0.112 秒)
A STUDY ON PRODUCING HIGHLY RELIABILE REFERENCE DATA SETS FOR GLOBAL LAND COVER VALIDATION
Global land cove Validation Reference data FLUXNET spatial resolution IGBP class
2016/12/1
Validating the accuracy of land cover products using a reliable reference dataset is an important task. A reliable reference dataset is produced with information derived from ground truth data. Recent...
FINE REGISTRATION OF KILO-STATION NETWORKS - A MODERN PROCEDURE FOR TERRESTRIAL LASER SCANNING DATA SETS
Registration Terrestrial laser scanners 3D-Network Graph Spectral analysis
2016/11/11
We propose a complete methodology for the fine registration and referencing of kilo-station networks of terrestrial laser scanner data currently used for many valuable purposes such as 3D as-built rec...
RADIOMETRIC NORMALIZATION OF LARGE AIRBORNE IMAGE DATA SETS ACQUIRED BY DIFFERENT SENSOR TYPES
Multi-Sensor Aerial Images Sensor Radiometry Radiometric Adjustment Mosaic
2016/7/4
Generating seamless mosaics of aerial images is a particularly challenging task when the mosaic comprises a large number of im-ages, collected over longer periods of time and with different sensors un...
Contributions to a quality description of areal objects in spatial data sets
spatial data quality comparison of spatial entities building extraction
2016/5/20
In this paper we present a quality evaluation of two-dimensional building acquisition. We propose methods for identification and quantifi-cation of differences between independently acquired regions, ...
A STUDY OF FEATURE POINTS EXTRACTION BASED ON POINT CLOUD DATA SETS AND MODEL SIMPLIFICATION IN GOAF
Feature Points Extraction 3D laser scanner Point Cloud Data Sets Model Simplification Goaf
2016/3/17
The shape measurement of goaf is an important job in mine project. With the rapid development of the measuring equipment, 3D laser scanner, which makes the efficiency of traditional work being improve...
DELIVERABLES FROM SPACE DATA SETS FOR DISASTER MANAGEMENT–PRESENT AND FUTURE TRENDS
Disasters Satellites Sensors Satellite Data Disaster Management
2015/12/28
Natural disasters strike several parts of the globe at different seasons through out the year, resulting in enormous destruction of properties and untold human sufferings. Due to diverse geo-climatic ...
A GENERIC PUSHBROOM SENSOR MODEL FOR HIGH-RESOLUTION SATELLITE IMAGERY APPLIED TO SPOT 5,QUICKBIRD AND ALOS DATA SETS
Pushbroom sensor SPOT 5 QuickBird ALOS PRISM
2015/9/17
A new generic pushbroom sensor model for high-resolution satellite images is presented. The sensor orbit and attitudes are modelled by splines. In order to determine the parameters of the orbit and at...
A DUAL INTERVAL APPROACH FOR THE ALIGNMENT OF GEOMETRIES IN VECTOR DATA SETS
Cartography GIS Adjustment
2015/8/28
Today, a growing availability of geo datasets can be observed, together with an increasing accessibility of the data via
web-services. In spite of this favourable situation, there are still some prob...
MAPPING CORAL REEF HABITAT OF SOUTH ANDAMAN: A COMPARATIVE ANALYSIS OF DIFFERENT MULTI-SPECTRAL DATA SETS
Coral Reefs Multispectral Data Sets Depth Invariant Bottom Index
2015/8/28
Coral reefs are considered one of the most diverse, productive and sensitive ecosystems among the various ecosystems existing today.
They are usually found in clear waters and often amenable to optic...
Analysis and comparision of different high-resolution data sets for urban applications
Hyperspectral multispectral LIDAR
2015/8/21
The use of remote sensing for urban applications requires high resolution data with respect to geometry and spectral information
in order to deal with the complexity and the variability of urban scen...
Integration of Geoscientific Data Sets and The German Digital Map Using a Matching Approach
Cartography GIS Geology
2015/7/9
The integration of various data sets can be the answer for geoscientific questions on the one hand, but a disadvantage on the other
hand, due to the differences in representation and content. Althoug...
REPRESENTATION OF SKETCH DATA FOR LOCALISATION IN LARGE DATA SETS
Analysis Interpretation Matching
2015/6/1
Sketches are often used by humans to quickly give information about places or illustrate how to find a way from A to B. Thus,
sketches are an interesting technique of generating queries with the goa...
FUZZY EVIDENCE THEORETIC APPROACHES FOR KNOWLEDGE DISCOVERY IN SPATIAL UNCERTAINTY DATA SETS
Data mining Reasoning Algorithms Transformation Representation Visualization
2015/6/1
Although uncertainties exist in spatial knowledge discovery, they have not been paid much attention to. In the past years, the most researches of spatial knowledge discovery focused on the methods of ...
Integrated data sets for land-use planning, natural hazards and impact assessment in Guipuzcoa, Basque Country, Spain
Dynamic processes GIS Hazard Integration Land use/Land cover Spatial data
2015/2/5
EIA of projects has been a legal requirement and a standard practice in Europe since 1986, but no similar regulations
exist for land use planning at European level. Land use planning requires the con...
WebGL Visualisation of 3D Environmental Models Based on Finnish Open Geospatial Data Sets
LiDAR photogrammetry change detection 3D visualization 3D reconstruction
2014/9/9
Recent developments in spatial data infrastructures have enabled real time GIS analysis and visualization using open input data sources and service interfaces. In this study we present a new concept w...