Hostname: page-component-77f85d65b8-pztms Total loading time: 0 Render date: 2026-04-23T04:20:22.171Z Has data issue: false hasContentIssue false

EHDC: enhanced dilated convolution framework for underwater blurred target recognition

Published online by Cambridge University Press:  26 July 2022

Lei Cai*
Affiliation:
School of Artificial Intelligence, Henan Institute of Science and Technology, Xinxiang, China
Xiaochen Qin
Affiliation:
School of Information Engineering, Henan Institute of Science and Technology, Xinxiang, China
Tao Xu
Affiliation:
School of Artificial Intelligence, Henan Institute of Science and Technology, Xinxiang, China
*
*Corresponding author. E-mail: cailei2014@126.com

Abstract

The autonomous underwater vehicle (AUV) has a problem with feature loss when recognizing small targets underwater. At present, algorithms usually use multi-scale feature extraction to solve the problem, but this method increases the computational effort of the algorithm. In addition, low underwater light and turbid water result in incomplete information on target features. This paper proposes an enhanced dilated convolution framework (EHDC) for underwater blurred target recognition. Firstly, this paper extracts small target features through hybrid dilated convolution networks, increasing the perceptive field of the algorithm without increasing the computational power of the algorithm. Secondly, the proposed algorithm learns spatial semantic features through an adaptive correlation matrix and compensates for the missing features of the target. Finally, this paper fuses spatial semantic features and visual features for the recognition of small underwater blurred targets. Experiments show that the proposed method improves the recognition accuracy by 1.04% compared to existing methods when recognizing small underwater blurred targets.

Information

Type
Research Article
Copyright
© The Author(s), 2022. Published by Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable