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Localized Vision-Language Matching for Open-vocabulary Object Detection

German Conference on Pattern Recognition (GCPR), 2022
Abstract: In this work, we propose an open-vocabulary object detection method that, based on image-caption pairs, learns to detect novel object classes along with a given set of known classes. It is a two-stage training approach that first uses a location-guided image-caption matching technique to learn class labels for both novel and known classes in a weakly-supervised manner and second specializes the model for the object detection task using known class annotations. We show that a simple language model fits better than a large contextualized language model for detecting novel objects. Moreover, we introduce a consistency-regularization technique to better exploit image-caption pair information. Our method compares favorably to existing open-vocabulary detection approaches while being data-efficient.
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BibTex reference

@InProceedings{BMB22,
  author       = "M. Bravo and S. Mittal and T. Brox",
  title        = "Localized Vision-Language Matching for Open-vocabulary Object Detection",
  booktitle    = "German Conference on Pattern Recognition (GCPR)",
  month        = " ",
  year         = "2022",
  keywords     = "Open-vocabulary Object Detection, Image-caption Matching, Weakly-supervised Learning, Multi-modal Training",
  url          = "http://lmb.informatik.uni-freiburg.de/Publications/2022/BMB22"
}

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