16 January 2006 Clustering and semantically filtering web images to create a large-scale image ontology
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Abstract
In our effort to contribute to the closing of the "semantic gap" between images and their semantic description, we are building a large-scale ontology of images of objects. This visual catalog will contain a large number of images of objects, structured in a hierarchical catalog, allowing image processing researchers to derive signatures for wide classes of objects. We are building this ontology using images found on the web. We describe in this article our initial approach for finding coherent sets of object images. We first perform two semantic filtering steps: the first involves deciding which words correspond to objects and using these words to access databases which index text found associated with an image (e.g. Google Image search) to find a set of candidate images; the second semantic filtering step involves using face recognition technology to remove images of people from the candidate set (we have found that often requests for objects return images of people). After these two steps, we have a cleaner set of candidate images for each object. We then index and cluster the remaining images using our system VIKA (VIsual KAtaloguer) to find coherent sets of objects.
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S. Zinger, C. Millet, B. Mathieu, G. Grefenstette, P. Hède, P.-A. Moëllic, "Clustering and semantically filtering web images to create a large-scale image ontology", Proc. SPIE 6061, Internet Imaging VII, 60610B (16 January 2006); doi: 10.1117/12.642406; https://doi.org/10.1117/12.642406
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