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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/...
EVALUATING UNMANNED AERIAL PLATFORMS FOR CULTURAL HERITAGE LARGE SCALE MAPPING
UAS large scale mapping structure from motion dense matching orthophotos
2016/11/11
When it comes to large scale mapping of limited areas especially for cultural heritage sites, things become critical. Optical and non-optical sensors are developed to such sizes and weights that can b...
RESEARCH ON THE KEY TECHNOLOGY OF LARGE SCALE MAPPING FROM LOW ALTITUDE PHOTOGRAMMETRY
Large-scale Photogrammetry Wide-angle Camera Elevation Accuracy Low Altitude Photogrammetry Production Process Low Altitude Photogrammetric DLG Production Multi-center Image Projection Reconstruction
2016/7/5
Based on the theoretic analysis of the accuracy in large scale photogrammetric mapping, some defects in traditional procedure were discussed. A set of key technologies dedicate to accuracy improvement...
Potential of High-resolution Indian Remote Sensing Satellite Imagery for Large Scale Mapping
Cartosat-1 Cartosat-2 rigorous sensor model stability DEM,orthoimage
2016/1/25
This paper gives an assessment of the mapping potential of high-resolution Indian remote sensing satellites Cartosat-1 and
Cartosat-2. The satellites are equipped with in-track stereo mapping capabil...
An Investigation of Digital Orthophotos for Large Scale Mapping and Cadastre Renovation
Orthophoto Map Accuracy Cadastre Fast Cadastre Mobil Cadastre
2015/12/18
Photogrammetric softwares , functions and applications were tremendously effected by developments of image proccessing technologies in past decades. One of the applications of photogrammetric software...
Application and Accuracy Evaluation of Leica ADS40 for Large Scale Mapping
ADS40 push-broom digital sensor mapping local coordinate accuracy
2015/11/23
Leica ADS40 photogrammetry system is one of the advanced aerial survey and mapping systems. Based on the three linear CCD arrays and pushbroom technology, ADS40 enables the quick acquisition of high s...
IMPLEMENTATION OF AN UNMANNED AERIAL VEHICLE SYSTEM FOR LARGE SCALE MAPPING
UAV Drones DIY Mapping GNSS Autopilot Aerial Photography
2015/9/10
Unmanned Aerial Vehicles (UAVs), digital cameras, powerful personal computers, and software have made it possible for geomatics professionals to capture aerial photographs and generate digital terrain...
EXPERIMENTAL STUDY OF DIRECT GEOREFERENCING SYSTEM (DGS) FOR LARGE-SCALE MAPPING
adjustment camera GPS IMU triangulation
2015/6/1
Presently for the orthophoto projects and small-scale mapping (e.g., 1:2,500) the aerial triangulation is no longer essential while
Direct Georeferencing System (DGS) is available as a complementary...
Segmentation quality evaluation for large scale mapping purposes in Flanders, Belgium
Image segmentation segmentation evaluation segmentation quality large scale mapping
2014/6/12
In Flanders the large scale reference database called GRB, takes care of the layout, exchange and management of large scale geographic information with respect to, amongst others, roads, buildings and...