Automatic and semi-automatic image classification, annotation and tagging through the use of image acquisition parameters and metadata

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United States of America Patent

PATENT NO 8520909
APP PUB NO 20110317885A1
SERIAL NO

13255241

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Abstract

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A method for characterizing image contents automatically or semi-automatically using image acquisition parameters and metadata is presented. The method establishes probabilistic and deterministic relationships between different types of metadata and the semantic attributes and contents of images. It furnishes a mechanism that enables the automatic and semi-automatic classification, annotation, tagging, indexing, searching, identification or retrieval of images based on their contents, semantic properties and metadata characteristics. The method uses, but is not limited to, image capture metadata such as focal length, exposure time, relative aperture, flash information, ISO setting, angle of view, subject distance, timestamp, GPS information as well as other forms of metadata, including but not limited to, captions, keywords, headings, tags, comments, remarks, titles which may be automatically, semi-automatically, or manually generated. The present invention can be applied to image databases, web searching, personal search, community search, broad-based or vertical search engines for internet, intranet, extranet or other usages.

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Patent Owner(s)

  • HONG KONG BAPTIST UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leung, Clement Ho Cheung Hong Kong, HK 3 152
Liu, Jiming Hong Kong, HK 8 153
Wong, Chun Fan Hong Kong, HK 1 100

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