ISI at ImageCLEF 2012: Scalable System for Image Annotation

  title={ISI at ImageCLEF 2012: Scalable System for Image Annotation},
  author={Yoshitaka Ushiku and Hiroshi Muraoka and Sho Inaba and Teppei Fujisawa and Koki Yasumoto and Naoyuki Gunji and Takayuki Higuchi and Yuko Hara-Azumi and Tatsuya Harada and Yasuo Kuniyoshi},
We participate in the ImageCLEF 2012 Photo Annotation Tasks. We devote our attention to make our system scalable for the data amount. Therefore we train linear classifiers with our online multilabel learning. For Flickr Photo task, we extract visual Fisher Vectors (FVs) from some kinds of local descriptors and used the provided Flickr-tags for textual features. For Web Photo tasks, we just use the provided Bagof-Visual-Words (BoVW) of some kinds of SIFT descriptors. A linear classifier for each… CONTINUE READING

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