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FEATURE ORIENTATION AND POSITIONAL ACCURACY ASSESSMENT OF DIGITAL ORTHOPHOTO AND LINE MAP FOR LARGE SCALE MAPPING: THE CASE STUDY ON BAHIR DAR TOWN, ETHIOPIA
Orthophoto Line map GPS data Positional Orientation Accuracy
2017/7/12
This study used in-situ GPS data to validate the accuracy of horizontal coordinates and orientation of linear features of orthophoto and line map for Bahir Dar city. GPS data is processed using GAMIT/...
POSITIONAL ACCURACY ASSESSMENT OF THE OPENSTREETMAP BUILDINGS LAYER THROUGH AUTOMATIC HOMOLOGOUS PAIRS DETECTION: THE METHOD AND A CASE STUDY
Accuracy Building Open Data
2016/7/8
OpenStreetMap (OSM) is currently the largest openly licensed collection of geospatial data. Being OSM increasingly exploited in a variety of applications, research has placed great attention on the as...
ASSESSMENT OF COMPLETENESS AND POSITIONAL ACCURACY OF LINEAR FEATURES IN VOLUNTEERED GEOGRAPHIC INFORMATION (VGI)
Volunteered Geographical Information Data Quality Quality Assessment Positional Accuracy completeness
2016/1/15
Recent advances in spatial data collection technologies and online services dramatically increase the contribution of ordinary people to produce, share, and use geographic information. Collecting spat...
Spatial Data Positional Accuracy Analyzing and Testing
DLG GPS Quality Control Accuracy Testing Error Distribution
2015/10/12
In this article 1:50000 DLG data is used as an example to analyze and test spatial data positional accuracy.At first 1:50000 DLG data
acquisition technical process and data content is simply introdu...
UPDATION AND POSITIONAL ACCURACY IMPROVEMENT OF GEO SPATIAL DATA-INNOVATIONS AT KAMPSAX INDIA PRIVATE LIMITED
PAI New mapping Updation Transformations Geometric fidelity
2015/6/1
Kampsax India Private Limited (KIL) is engaged in the production of very large mapping projects from all over the world though mainly from Europe and Latin America with over 35 digital Photogrammetric...