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Some Experiments of Face Annotation Based on Latent Semantic Indexing in FIARS
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Intelligent Databases in the Virtual Information Community
Some Experiments of Face Annotation Based on Latent Semantic Indexing in FIARS
Hideaki Ito1 and Hiroyasu Koshimizu1 
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School of Information Science and Technology, Chukyo University, 101 Tokodachi, Kaizu-cho, Toyota, Aichi, 470-0393, Japan |
Abstract
This paper describes annotation of face images in keywords based on latent semantic indexing, and experimental results in
FIARS. Two latent semantic spaces are constructed from visual and symbolic features. These features are corresponding to lengths
of some places of a face and keywords. One latent semantic space is constructed from visual features, the other space is constructed
from both features. The former space is used for retrieving similar face images, and the latter for seeking keywords to a
given face image. Moreover, the two types of visual futures are utilized. One is specified in terms of the lengths of face
parts, and the other in terms of points on the outlines of a face and its parts. As an experiment, recall and precision ratios
of assigned keywords are measured using the two types of the visual features.
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