| Инд. авторы: | Синявский Ю.Н., Пестунов И.А., Дубровская О.А., Рылов С.А., Мельников П.В., Ермаков Н.Б., Полякова М.А. |
| Заглавие: | Методы и технология сегментации мультиспектральных изображений высокого разрешения для исследования природных и антропогенных объектов |
| Библ. ссылка: | Синявский Ю.Н., Пестунов И.А., Дубровская О.А., Рылов С.А., Мельников П.В., Ермаков Н.Б., Полякова М.А. Методы и технология сегментации мультиспектральных изображений высокого разрешения для исследования природных и антропогенных объектов // Вычислительные технологии. - 2016. - Т.21. - № 1. - С.127-140. - ISSN 1560-7534. - EISSN 2313-691X. |
| Внешние системы: | РИНЦ: 25644534; |
| Реферат: | eng: A logical scheme for uniform representation and technology for joint processing of heterogeneous spatial data is proposed. A set of raster layers (data layers) is generated by all available geo-referenced data (satellite images, maps, digital elevation models, field data etc.). Data layers are used to generate a set of binary masks (thematic layers) built with available a priori information and expert knowledge. Thematic layers are designed to highlight specific types of objects (water bodies, shadows, vegetation, manmade areas, etc). All of the new raster layers are interpreted as additional features during further processing. Thematic layers allow using the most appropriate method of processing for each type of object. Methods necessary for solving practical problems with the proposed technology being developed at the laboratory of data processing of the Institute of Computational Technologies SB RAS. These methods are implemented as standardized web services (WPS processes). Nine web services are created based on original algorithms of image segmentation and highlighting of different object types. This approach allows using the proposed technology to solve practical problems on the client side using both freeware GIS packages (QGIS, uDig, openJUMP et al) and commercial geographic information system ArcGIS. The technology and methods been used successfully to solve three practical problems: 1) discovery and mapping of pine tree stands damage by the Pleiades-1A satellite images; 2) identification of the fundamental laws of formation for steppe vegetation biome by the WorldView-2 satellite data; 3) rapid assessment of the flood situation and flooded areas identification by images from Russian satellites (Canopus-B, Resurs-P, and Meteor-M). rus: Предложена логическая схема единообразного представления разнородных пространственных данных. На ее основе разработана технология сегментации спутниковых изображений высокого пространственного разрешения, которая позволяет учесть всю имеющуюся информацию (спектральные и пространственные признаки, данные полевых наблюдений, тематические карты, базы данных, априорные и экспертные сведения и т. п.). Представлены методы, предназначенные для тематической обработки спутниковых снимков высокого пространственного разрешения. Описана реализация методов и алгоритмов в виде стандартизованных веб-сервисов, которая позволяет использовать технологию на стороне пользователя. Приведены примеры решения практических задач. |
| Ключевые слова: | texture and context features; high spatial resolution; multispectral satellite images segmentation; веб-сервисы; обработка разнородных данных; текстурные и контекстные признаки; высокое пространственное разрешение; сегментация мультиспектральных спутниковых изображений; web services; heterogeneous data processing; |
| Издано: | 2016 |
| Физ. характеристика: | с.127-140 |
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