Bridging Information Asymmetry in Text-video Retrieval: A Data-centric Approach
Keywords: Text-video Retrieval, Vision-Language Model, Multimodal
TL;DR: We introduce a data-centric approach that bridges the inherent information asymmetry in the text-video video task and achieves state-of-the-art performance.
Abstract: As online video content rapidly grows, the task of text-video retrieval (TVR) becomes increasingly important. A key challenge in TVR is the information asymmetry between video and text: videos are inherently richer in information, while their textual descriptions often capture only fragments of this complexity. This paper introduces a novel, data-centric framework to bridge this gap by enriching textual representations to better match the richness of video content. During training, videos are segmented into event-level clips and captioned to ensure comprehensive coverage. During retrieval, a large language model (LLM) generates semantically diverse queries to capture a broader range of possible matches. To enhance retrieval efficiency, we propose a query selection mechanism that identifies the most relevant and diverse queries, reducing computational cost while improving accuracy. Our method achieves state-of-the-art results across multiple benchmarks, demonstrating the power of data-centric approaches in addressing information asymmetry in TVR. This work paves the way for new research focused on leveraging data to improve cross-modal retrieval.
Primary Area: applications to computer vision, audio, language, and other modalities
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Submission Number: 862
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