Enhancing Underwater Object Detection through Spatio-Temporal Analysis and Spatial Attention Networks

• URL: http://arxiv.org/abs/2510.25797v1
• Date: Wed, 29 Oct 2025 01:22:42 GMT
• Title: Enhancing Underwater Object Detection through Spatio-Temporal Analysis and Spatial Attention Networks
• Authors: Sai Likhith Karri, Ansh Saxena,
• Abstract summary: Temporal-enhanced YOLOv5 variant T-YOLOv5 is evaluated, in comparison with the standard YOLOv5.<n>For the second phase, an augmented version of T-YOLOv5 is developed, through the addition of a Conal Block Attention Module (CBAM)
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This study examines the effectiveness of spatio-temporal modeling and the integration of spatial attention mechanisms in deep learning models for underwater object detection. Specifically, in the first phase, the performance of temporal-enhanced YOLOv5 variant T-YOLOv5 is evaluated, in comparison with the standard YOLOv5. For the second phase, an augmented version of T-YOLOv5 is developed, through the addition of a Convolutional Block Attention Module (CBAM). By examining the effectiveness of the already pre-existing YOLOv5 and T-YOLOv5 models and of the newly developed T-YOLOv5 with CBAM. With CBAM, the research highlights how temporal modeling improves detection accuracy in dynamic marine environments, particularly under conditions of sudden movements, partial occlusions, and gradual motion. The testing results showed that YOLOv5 achieved a mAP@50-95 of 0.563, while T-YOLOv5 and T-YOLOv5 with CBAM outperformed with mAP@50-95 scores of 0.813 and 0.811, respectively, highlighting their superior accuracy and generalization in detecting complex objects. The findings demonstrate that T-YOLOv5 significantly enhances detection reliability compared to the standard model, while T-YOLOv5 with CBAM further improves performance in challenging scenarios, although there is a loss of accuracy when it comes to simpler scenarios.

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