Maniparambil, Mayug ORCID: 0000-0002-9976-1920, McGuinness, Kevin ORCID: 0000-0003-1336-6477 and O'Connor, Noel E. ORCID: 0000-0002-4033-9135 (2022) Base transformers: attention over base data-points for one shot learning. In: 33rd British Machine Vision Conference, 21-24 Nov 2022, London.
Abstract
Few shot classification aims to learn to recognize novel categories
using only limited samples per category. Most current few shot methods
use a base dataset rich in labeled examples to train an encoder that
is used for obtaining representations of support instances for novel classes. Since
the test instances are from a distribution different to the base
distribution, their feature representations are of poor quality,
degrading performance. In this paper we propose to make
use of the well-trained feature representations of the base dataset that
are closest to each support instance to improve its representation
during meta-test time. To this end, we propose BaseTransformers, that attends to the most relevant regions of the base dataset
feature space and improves support instance representations. Experiments on three benchmark data
sets show that our method works well for several backbones and
achieves state-of-the-art results in the inductive one shot setting. Code is available at github.com/mayug/BaseTransformers .
Metadata
Item Type: | Conference or Workshop Item (Paper) |
---|---|
Event Type: | Conference |
Refereed: | Yes |
Uncontrolled Keywords: | few-shot learning; one-shot learning; transformers; attention |
Subjects: | Computer Science > Artificial intelligence Computer Science > Machine learning |
DCU Faculties and Centres: | DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering |
Published in: | 33rd British Machine Vision Conference, Proceedings. . BMVC. |
Publisher: | BMVC |
Official URL: | https://bmvc2022.mpi-inf.mpg.de/482/ |
Copyright Information: | © 2022 The Authors. |
ID Code: | 27829 |
Deposited On: | 24 Nov 2022 12:43 by Mayug Maniparambil . Last Modified 16 Nov 2023 13:50 |
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