METHOD FOR DETERMINING OBJECTS OF URBAN DEVELOPMENT ON IMAGES OF ONBOARD SYSTEMS OF OPTICAL-ELECTRONIC OBSERVATION USING TRANSFORMATION OF HAFA
DOI:
https://doi.org/10.26906/SUNZ.2018.6.020Keywords:
objects of urban development, optoelectronic image, on-board observation system, Hough transform, Canny border detector, visual quality assessment, color spaceAbstract
The subject matter of the article is a method for determining the objects of urban development on the images of onboard systems of optical-electronic surveillance. The goal is to develop a method for determining the objects of urban development on images of onboard systems of optical-electronic surveillance. The tasks are: substantiation of the need to identify urban buildings on images of onboard systems of optical-electronic surveillance; the presentation of the essence of the method of identifying objects of urban development on the images of onboard systems of optical-electronic surveillance; visual assessment of the quality of the selection of urban buildings on the images of onboard systems of optical-electronic surveillance. The methods used are: methods of probability theory, mathematical statistics, optimization methods, mathematical modeling and digital image processing. Such results are obtained. It has been established that the issue of identifying the geographical landscape, buildings, cultural centers and critical elements of the infrastructure, such as enterprises, transport systems and other fundamental developments on the images of the onboard systems of optical-electronic observation, is topical. It is established that the objects of urban development (bridges, roads, houses, etc.) are quite contrasting and contain many straight lines. The selection of objects of urban development is considered as a two-step method, namely, the use of a certain border detector and the application of the Hough transform. At the first stage, them selection of boundaries is made, at the second - the selection of straight lines. As a boundary detector, the use of a Canny boundary detector has been proposed. Conclusions. It was established that the visual quality allows to reveal objects of urban development on the processed image, and the proposed method can be used to find objects of urban development. The direction of further research is the use of a multiscale image processing method.Downloads
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