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Learning object class detectors from weakly annotated video

Open access
Prest, Alessandro, Leistner, C., Civera, J., Schmid, C., Ferrari, V.·2012·2012 IEEE Conference on Computer Vision and Pattern Recognition

Abstract

Object detectors are typically trained on a large set of still images annotated by bounding-boxes. This paper introduces an approach for learning object detectors from real-world web videos known only to contain objects of a target class. We propose a fully automatic pipeline that localizes objects in a set of videos of the class and learns a detector for it. The approach extracts candidate spatio-temporal tubes based on motion segmentation and then selects one tube per video jointly over all videos. To compare to the state of the art, we test our detector on still images, i.e., Pascal VOC 2007. We observe that frames extracted from web videos can differ significantly in terms of quality to still images taken by a good camera. Thus, we formulate the learning from videos as a domain adaptation task. We show that training from a combination of weakly annotated videos and fully annotated still images using domain adaptation improves the performance of a detector trained from still images alone.

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Metadata

Authors
Prest, A., Leistner, C., Civera, J., Schmid, C., & Ferrari, V.
Venue
2012 IEEE Conference on Computer Vision and Pattern Recognition
Publisher
IEEE
Published
2012-06
Pages
3282-3289
ISSN
1063-6919 (ISSN-L)
OpenAlex
W1973054923
Cited by
443
References
7
FWCI
18.23
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Learning object class detectors from weakly annotated video. https://app.cochat.ai/papers/10.1109/cvpr.2012.6248065
The paper
Prest, A., Leistner, C., Civera, J., Schmid, C., & Ferrari, V. (2012). Learning object class detectors from weakly annotated video. 2012 IEEE Conference on Computer Vision and Pattern Recognition. https://doi.org/10.1109/cvpr.2012.6248065

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