Joint Perceptual Learning for Enhancement and Object Detection in Underwater Scenarios

• URL: http://arxiv.org/abs/2307.03536v1
• Date: Fri, 7 Jul 2023 11:54:06 GMT
• Title: Joint Perceptual Learning for Enhancement and Object Detection in Underwater Scenarios
• Authors: Chenping Fu, Wanqi Yuan, Jiewen Xiao, Risheng Liu, and Xin Fan
• Abstract summary: We propose a bilevel optimization formulation for jointly learning underwater object detection and image enhancement. Our method outputs visually favoring images and higher detection accuracy.
• Score: 41.34564703212461
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Underwater degraded images greatly challenge existing algorithms to detect objects of interest. Recently, researchers attempt to adopt attention mechanisms or composite connections for improving the feature representation of detectors. However, this solution does \textit{not} eliminate the impact of degradation on image content such as color and texture, achieving minimal improvements. Another feasible solution for underwater object detection is to develop sophisticated deep architectures in order to enhance image quality or features. Nevertheless, the visually appealing output of these enhancement modules do \textit{not} necessarily generate high accuracy for deep detectors. More recently, some multi-task learning methods jointly learn underwater detection and image enhancement, accessing promising improvements. Typically, these methods invoke huge architecture and expensive computations, rendering inefficient inference. Definitely, underwater object detection and image enhancement are two interrelated tasks. Leveraging information coming from the two tasks can benefit each task. Based on these factual opinions, we propose a bilevel optimization formulation for jointly learning underwater object detection and image enhancement, and then unroll to a dual perception network (DPNet) for the two tasks. DPNet with one shared module and two task subnets learns from the two different tasks, seeking a shared representation. The shared representation provides more structural details for image enhancement and rich content information for object detection. Finally, we derive a cooperative training strategy to optimize parameters for DPNet. Extensive experiments on real-world and synthetic underwater datasets demonstrate that our method outputs visually favoring images and higher detection accuracy.

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