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Автоматическое аннотирование ландшафтных изображений

Автоматическое аннотирование ландшафтных изображений

Abstract

The image retrieval in the Internet and specialized datasets is the important task. For such retrieval is expedient to apply the systems of automatic image annotation (AIA) based on low-level features. Due to wide variety of images, it's sometimes useful to categorize images and to customize methods of AIA according these categories. In this article, the automatic landscape image annotation (ALIA) is discussed. Natural objects (rocks, clouds and etc.) on the landscape images often include just one texture. Because of that, for ALIA enough use of the machine translation model. In this model, the process of image annotation is analogous to the translation of one form of representation (image regions) to another form (keywords). Firstly, a segmentation algorithm is used to segment images into object-shaped regions. Then, cauterization is applied to the feature descriptors that are extracted from all the regions, to build visual words (clusters of visually similar image regions). Finally, a machine translation model is applied to build a translation table containing the probability estimations of the translation between image regions and

Поиск изображений в сети Интернет и специализированных базах является актуальной задачей. Для такого поиска целесообразно применять системы автоматического аннотирования изображений на основе низкоуровневых характеристик. Проведен анализ существующих методов автоматического аннотирования изображений, а также алгоритмов автоматической сегментации. Приведены описания модели машинного перевода и алгоритма сегментации JSEG. Предложен набор визуальных признаков для описания областей изображений, включающий статистические признаки второго порядка и фрактальные признаки. Разработан алгоритм ААЛИ на основе модели машинного перевода. Предложенный алгоритм аннотирует с точностью до 88 % и применим для аннотирования изображений в специализированных базах и сети Интернет.

Keywords

ЛАНДШАФТНЫЕ ИЗОБРАЖЕНИЯ, АВТОМАТИЧЕСКОЕ АННОТИРОВАНИЕ, АЛГОРИТМ СЕГМЕНТАЦИИ JSEG, ТЕКСТУРНЫЕ ПРИЗНАКИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average