This article presents GAT, a Graphical Annotation Tool based on a region-based hierarchical
representation of images. The proposed solution uses Partition Trees to navigate through the image
segments which are automatically defined at different spatial scales. Moreover, the system focuses
on the navigation through ontologies for a semantic annotation of objects and of the parts that
compose them. The tool has been designed under usability criteria to minimize the user interaction
by trying to predict the future selection of regions and semantic classes. The implementation uses
MPEG-7/XML input and output data to allow interoperability with any type of Partition Tree. This
tool is publicly available and its source code can be downloaded under a free software license.
The original publication is available at http://www.springerlink.com/content/j78782k762617352/
CitationGiro, X.; Camps, N.; Marques, F. GAT, a Graphical Annotation Tool for semantic regions. "Multimedia tools and applications", 26 Octubre 2009, vol. 46, núm. 2/3 (2010), p. 155-174.
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