搜索结果: 1-15 共查到“地图制图技术 Accuracy”相关记录27条 . 查询时间(0.216 秒)
AN OPEN SOURCE APPROACH FOR THE INTRINSIC ASSESSMENT OF THE TEMPORAL ACCURACY, UP-TO-DATENESS AND LINEAGE OF OPENSTREETMAP
Data Quality Lineage Open Source OpenStreetMap Temporal Accuracy Thematic Accuracy Up-to-dateness
2018/11/8
OpenStreetMap (OSM) is the most popular crowdsourced geographic information project. The main factor that still limits the practical use of OSM is the lack of quality assurance. OSM quality assessment...
LOW COST MULTI-SENSOR ROBOT LASER SCANNING SYSTEM AND ITS ACCURACY INVESTIGATIONS FOR INDOOR MAPPING APPLICATION
Indoor Mapping Laser Scanning Multi-sensor Robot
2018/3/5
In order to solve the automation of 3D indoor mapping task, a low cost multi-sensor robot laser scanning system is proposed in this paper. The multiple-sensor robot laser scanning system includes a pa...
AN AUTOMATED GRASS-BASED PROCEDURE TO ASSESS THE GEOMETRICAL ACCURACY OF THE OPENSTREETMAP PARIS ROAD NETWORK
Accuracy FOSS4G GRASS Open data OpenStreetMap Road network Volunteered Geographic Information
2016/11/24
OpenStreetMap (OSM) is the largest spatial database of the world. One of the most frequently occurring geospatial elements within this database is the road network, whose quality is crucial for applic...
MODEL ACCURACY COMPARISON FOR HIGH RESOLUTION INSAR COHERENCE STATISTICS OVER URBAN AREAS
Interferometric Synthetic Aperture Radar (InSAR) Coherence Statistics Model Accuracy Urban Areas
2016/11/24
The interferometric coherence map derived from the cross-correlation of two complex registered synthetic aperture radar (SAR) images is the reflection of imaged targets. In many applications, it can a...
EFFECT OF PANSHARPENED IMAGE ON SOME OF PIXEL BASED AND OBJECT BASED CLASSIFICATION ACCURACY
Pan Sharpening Decision Tree Maximum Likelihood Support Vector Machine Object Based Classification Sun Flower Corn
2016/11/23
Classification is the most important method to determine type of crop contained in a region for agricultural planning. There are two types of the classification. First is pixel based and the other is ...
USING MOBILE LASER SCANNING DATA FOR FEATURES EXTRACTION OF HIGH ACCURACY DRIVING MAPS
High Accuracy Driving Maps Intelligent Drive Assistant Systems Hierarchical Classification Semantic Labelling
2016/7/27
High Accuracy Driving Maps (HADMs) are the core component of Intelligent Drive Assistant Systems (IDAS), which can effectively reduce the traffic accidents due to human error and provide more comforta...
Comparisation of Spatial Accuracy of Data Acquaried from Mono and Stereo Images: a Case Study of Campus Area Konya -Turkey
High Resolution IKONOS Images Feature Points Geodetic Methods Ortho Photo
2015/12/18
Nowadays, high resolution IKONOS images for map productions, local municipality studies, communications, agriculture, forestry, energy and infrastructure, monitoring of environment, disaster managemen...
Research on Relation Between Control Points Precision and Geometric Correction Accuracy
Geometric Accuracy Correction Image Analysis Precision
2015/12/17
Through ASTER, ETM, SPOT5 and IKONOS four kinds of remote-sensing images (a coarse correction) , this paper makes a geometric correction for these four remote sensing images, using the control points ...
OPTIMIZED IMAGE SEGMENTATION AND ITS EFFECT ON CLASSIFICATION ACCURACY
Image segmentation Segment based classification Variance Spatial autocorrelation Moran’s Index SPRING McNemar’s test
2015/9/28
Image segmentation is a preliminary and critical step in segment-based image analysis. Its proper evaluation ensures that the best segmentation result is used in image classification. In this paper, i...
Terrestrial laserscanning metric control: assessment of metric accuracy for cultural heritage modeling
Cultural Heritage Laser scanning Accuracy Metric Control
2015/8/25
This contribution gives account of one of the results achieved by the group MAPA (Models and Algorithms for the digital documentation of Architectural Heritage) that integrates the IMAP3D group and th...
OBJECT FATE ANALYSIS–A VIRTUAL OVERLAY METHOD FOR THE CATEGORISATION OF OBJECT TRANSITION AND OBJECT-BASED ACCURACY ASSESSMENT
GIS interference object-based change detection object loyalty remote sensing spatial relations
2015/8/19
Land use often changes considerably due to shifts in political and societal systems. The border zone between Austria and Hungary (the former Iron Curtain zone) is an outstanding example for these soci...
ACCURACY AND MORPHOLOGICAL ANALYSES OF GTOPO30 AND SRTM XC BAND DEMS IN THE TEST AREA ISTANBUL
Global SAR DEM, Accuracy Performance
2015/8/17
GTOPO30 is a global DEM regularly spaced at 30-arc seconds (approximately 1 kilometer) covering the full extent of latitude from
90 degrees south to 90 degrees north, and the full extent of longitud...
COMPARISON OF DIFFERENT MATHEMATICAL MODELS ON THE ACCURACY OF THE ORTHORECTIFICATION OF ASTER IMAGERY
ASTER Orthorectification Accuracy Mathematical Models
2015/8/17
The accuracy assessments of the orthorectification of ASTER imagery carried out using twelve different mathematical models are
presented. For performing the orthorectification, 77 ground control poi...
Accuracy of Measurements Made with a Cyrax 2500 Laser Scanner Against Surfaces of Known Colour
Laser scanning point cloud accuracy testing
2015/7/9
Several commercial manufacturers produce laser scanning systems capable of measuring the surfaces of objects to precisions of the
order of a few millimetres at ranges of between 2 and 200 meters. Exp...