Mr. Andrei Ryzhikov Profile

Andrei Ryzhikov

at Ryazan State Radio Engineering Univ.

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Proceedings Article | 9 October 2018 Paper

High-speed search of the control points on images of Earth surface using GPU

A. Ryzhikov, A. Kochergin, A. Kuznetcov

Proceedings Volume 10792, 107920G (2018) https://doi.org/10.1117/12.2325344

KEYWORDS: Image analysis, Image processing, Landsat, Data storage, Georeferencing

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Control and refinement of the geodetic linkage according to control points are one of the stages for processing of satellite image with high spatial resolution. The present paper has suggested a solution of two issues connected with high speed search of control points. Firstly, continuous supporting coating synthesized from separate images obtained from the spacecraft Landsat-8 has been created. Existing solutions for storage of the reference data have been studied and implementation of the tile storage being significantly exceeding than open solutions GeoServer, MapServer by speed has been suggested. Secondly, a possibility of effective parallel implementation of algorithms for search of control points using modern computer technology including multicore CPU and GPU has been researched. Method to search control points allowing forming a set of control points with the specified reliability and speed greatly increasing the correlation-based algorithm speed has been suggested.

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