Towards Underwater Camouflaged Object Tracking: Benchmark and Baselines

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Abstract:Over the past decade, significant progress has been made in visual object tracking, largely due to the availability of large-scale datasets. However, existing tracking datasets are primarily focused on open-air scenarios, which greatly limits the development of object tracking in underwater environments. To bridge this gap, we take a step forward by proposing the first large-scale multimodal underwater camouflaged object tracking dataset, namely UW-COT220. Based on the proposed dataset, this paper first comprehensively evaluates current advanced visual object tracking methods and SAM- and SAM2-based trackers in challenging underwater environments. Our findings highlight the improvements of SAM2 over SAM, demonstrating its enhanced ability to handle the complexities of underwater camouflaged objects. Furthermore, we propose a novel vision-language tracking framework called VL-SAM2, based on the video foundation model SAM2. Experimental results demonstrate that our VL-SAM2 achieves state-of-the-art performance on the UW-COT220 dataset. The dataset and codes can be accessible at color{magenta}{this https URL}.