arrow
返回

Semi-supervised target classification in multi-frequency echosounder data

delete2021-08-12
delete13
delete
OA
AI
C
Changkyu Choi
M
Michael Kampffmeyer
N
Nils Olav Handegard
A
Arnt-Børre Salberg
O
Olav Brautaset
L
Line Eikvil
R
Robert Jenssen *
DOI:10.1093/icesjms/fsab140delete
delete原文链接
delete原文求助
delete分享
delete收藏
摘要

摘要

En 中文
Acoustic target classification in multi-frequency echosounder data is a major interest for the marine ecosystem and fishery management since it can potentially estimate the abundance or biomass of the species. A key problem of current methods is the heavy dependence on the manual categorization of data samples. Asa solution, we propose a novel semi-supervised deep learning method leveraging a few annotated data samples together with vast amounts of unannotated data samples, all in a single model. Specifically, two inter-connected objectives, namely, a clustering objective and a classification objective, optimize one shared convolutional neural network in an alternating manner. The clustering objective exploits the underlying structure of all data, both annotated and unannotated; the classification objective enforces a certain consistency to given classes using the few annotated data samples. We evaluate our classification method using echosounder data from the sandeel case study in the North Sea. In the semi-supervised setting with only a tenth of the training data annotated, our method achieves 67.6% accuracy, outperforming a conventional semi-supervised method by 7.0 percentage points. When applying the proposed method in a fully supervised setup, we achieve 74.7% accuracy, surpassing the standard supervised deep learning method by 4.7 percentage points.
Keyword:
acoustic target classification
deep clustering
limited annotation
pseudo-labeling
semi-supervised deep learning

期刊

ICES Journal of Marine Science 封面图
ICES Journal of Marine Science
IF:
3.4
论文数:
6.3K
被引数:
1.4W

机构

I
institute of marine research - norway
学者数:
2.3K
论文数: 2.0K
被引数: 2
U
uit the arctic university of tromso
学者数:
9.9K
论文数: 8.7K
被引数: 10
引用论文

引用论文

Size-dependent frequency response of sandeel schools
err2009-04-16
err26
errOAAI
errJohnsen, Espen; Pedersen, Ronald; Ona, Egil
err分享
err收藏
学者 查看更多内容