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Construction of nearshore elevation model using open satellite data

Авторы: Hmelnov A.E., Gachenko A.S.

Журнал: CEUR Workshop Proceedings: All-Russian Conference With International Participation "Spatial Data Processing for Monitoring of Natural and Anthropogenic Processes" (SDM-2021, Novosibirsk, 24-27 August 2021)

Том: 3006

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Год: 2021

Отчётный год: 2021

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Аннотация: For the tasks considering changes of water level it is required to have a combined (above water and underwater) elevation model. And the highest accuracy requirements are imposed on the parts of the model, which produce the contour lines in the range of the actual water level changes, while the information about the underwater elevation is usually very scarce and rough. In the article we consider the possibility to obtain this part of the elevation model using open high resolution (10 m/pixel) satellite images corresponding to different water levels. Here we describe the technique, which allows us to obtain the subpixel accuracy of the resulting contour lines. And we consider the problems in the quality of the satellite images that the contour lines reveal, and some ways to deal with the problems.

Индексируется WOS: 0

Индексируется Scopus: 1

Индексируется РИНЦ: 1

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