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Many-shot from low-shot: learning to annotate using mixed supervision for object detection

Abstract:
Object detection has witnessed significant progress by relying on large, manually annotated datasets. Annotating such datasets is highly time consuming and expensive, which motivates the development of weakly supervised and few-shot object detection methods. However, these methods largely underperform with respect to their strongly supervised counterpart, as weak training signals often result in partial or oversized detections. Towards solving this problem we introduce, for the first time, an online annotation module (OAM) that learns to generate a many-shot set of reliable annotations from a larger volume of weakly labelled images. Our OAM can be jointly trained with any fully supervised two-stage object detection method, providing additional training annotations on the fly. This results in a fully end-to-end strategy that only requires a low-shot set of fully annotated images. The integration of the OAM with Fast(er) R-CNN improves their performance by 17 % mAP, 9 % AP50 on PASCAL VOC 2007 and MS-COCO benchmarks, and significantly outperforms competing methods using mixed supervision.
Publication status:
Published
Peer review status:
Reviewed (other)

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Publisher copy:
10.1007/978-3-030-58598-3_3

Authors


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Institution:
University of Oxford
Department:
ENGINEERING SCIENCE
Sub department:
Engineering Science
Role:
Author


Publisher:
Springer Nature
Host title:
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Journal:
Proceedings of the 16th European Conference on Computer Vision (ECCV 2020) More from this journal
Volume:
12353
Pages:
35-50
Series:
Lecture Notes in Computer Science
Publication date:
2020-11-07
Acceptance date:
2020-07-02
Event title:
European Conference on Computer Vision (ECCV 2020)
Event location:
Online
Event website:
https://eccv2020.eu/
Event start date:
2021-08-23
Event end date:
2021-08-28
DOI:
EISSN:
1611-3349
ISSN:
0302-9743
EISBN:
978-3-030-58598-3
ISBN:
9783030585976


Language:
English
Keywords:
Pubs id:
1151096
Local pid:
pubs:1151096
Deposit date:
2021-01-05

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