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arXiv · 2504.11441

TADACap: Time-series Adaptive Domain-Aware Captioning

Elizabeth Fons·Rachneet Kaur·Zhen Zeng·Soham Palande·Tucker Balch·Svitlana Vyetrenko·Manuela Veloso
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Abstract

While image captioning has gained significant attention, the potential of captioning time-series images, prevalent in areas like finance and healthcare, remains largely untapped. Existing time-series captioning methods typically offer generic, domain-agnostic descriptions of time-series shapes and struggle to adapt to new domains without substantial retraining. To address these limitations, we introduce TADACap, a retrieval-based framework to generate domain-aware captions for time-series images, capable of adapting to new domains without retraining. Building on TADACap, we propose a novel retrieval strategy that retrieves diverse image-caption pairs from a target domain database, namely TADACap-diverse. We benchmarked TADACap-diverse against state-of-the-art methods and ablation variants. TADACap-diverse demonstrates comparable semantic accuracy while requiring significantly less annotation effort.

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Elizabeth Fons, Rachneet Kaur, Zhen Zeng, Soham Palande, Tucker Balch, Svitlana Vyetrenko, Manuela Veloso. 2025-04-15. TADACap: Time-series Adaptive Domain-Aware Captioning. https://arxiv.org/abs/2504.11441

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