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Searching troves of videos with textual descriptions is a core multimodal retrieval task. Owing to the lack of a purpose-built dataset for text-to-video retrieval, video captioning datasets have been re-purposed to evaluate models by (1)…

Computation and Language · Computer Science 2023-04-20 Pedro Rodriguez , Mahmoud Azab , Becka Silvert , Renato Sanchez , Linzy Labson , Hardik Shah , Seungwhan Moon

Scaling multimodal large language models (MLLMs) to long videos is constrained by limited context windows. While retrieval-augmented generation (RAG) is a promising remedy by organizing query-relevant visual evidence into a compact context,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Honghao Fu , Miao Xu , Yiwei Wang , Dailing Zhang , Jun Liu , Yujun Cai

Retrieval-augmented generation (RAG) improves language model (LM) performance by providing relevant context at test time for knowledge-intensive situations. However, the relationship between parametric knowledge acquired during pretraining…

Computation and Language · Computer Science 2026-04-02 Karan Singh , Michael Yu , Varun Gangal , Zhuofu Tao , Sachin Kumar , Emmy Liu , Steven Y. Feng

Recent incremental learning for action recognition usually stores representative videos to mitigate catastrophic forgetting. However, only a few bulky videos can be stored due to the limited memory. To address this problem, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Yixuan Pei , Zhiwu Qing , Jun Cen , Xiang Wang , Shiwei Zhang , Yaxiong Wang , Mingqian Tang , Nong Sang , Xueming Qian

Large Language Models (LLMs) have demonstrated impressive capabilities in answering questions, but they lack domain-specific knowledge and are prone to hallucinations. Retrieval Augmented Generation (RAG) is one approach to address these…

Computation and Language · Computer Science 2024-10-30 Monica Riedler , Stefan Langer

Research on video frame interpolation has made significant progress in recent years. However, existing methods mostly use off-the-shelf metrics to measure the quality of interpolation results with the exception of a few methods that employ…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Qiqi Hou , Abhijay Ghildyal , Feng Liu

In this work, we propose an efficient Video-Language Alignment (ViLA) network. Our ViLA model addresses both efficient frame sampling and effective cross-modal alignment in a unified way. In our ViLA network, we design a new learnable…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Xijun Wang , Junbang Liang , Chun-Kai Wang , Kenan Deng , Yu Lou , Ming Lin , Shan Yang

Document Visual Question Answering (Document VQA) must cope with documents that span dozens of pages, yet leading systems still concatenate every page or rely on very large vision-language models, both of which are memory-hungry.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Eric López , Artemis Llabrés , Ernest Valveny

Many methods have been developed to help people find the video contents they want efficiently. However, there are still some unsolved problems in this area. For example, given a query video and a reference video, how to accurately localize…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Yang Feng , Lin Ma , Wei Liu , Tong Zhang , Jiebo Luo

We present CLIP2Video network to transfer the image-language pre-training model to video-text retrieval in an end-to-end manner. Leading approaches in the domain of video-and-language learning try to distill the spatio-temporal video…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Han Fang , Pengfei Xiong , Luhui Xu , Yu Chen

The majority of traditional text-to-video retrieval systems operate in static environments, i.e., there is no interaction between the user and the agent beyond the initial textual query provided by the user. This can be sub-optimal if the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Avinash Madasu , Junier Oliva , Gedas Bertasius

With the rapid development of large-scale language models, Retrieval-Augmented Generation (RAG) has been widely adopted. However, existing RAG paradigms are inevitably influenced by erroneous retrieval information, thereby reducing the…

Information Retrieval · Computer Science 2024-05-30 Ridong Wu , Shuhong Chen , Xiangbiao Su , Yuankai Zhu , Yifei Liao , Jianming Wu

Cross-modal video-text retrieval, a challenging task in the field of vision and language, aims at retrieving corresponding instance giving sample from either modality. Existing approaches for this task all focus on how to design encoding…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Rui Zhao , Kecheng Zheng , Zheng-Jun Zha , Hongtao Xie , Jiebo Luo

This paper presents a novel semi-supervised deep learning algorithm for retrieving similar 2D and 3D videos based on visual content. The proposed approach combines the power of deep convolutional and recurrent neural networks with dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yintai Ma , Diego Klabjan

Retrieval-augmented generation (RAG) has emerged as a promising paradigm for improving factual accuracy in large language models (LLMs). We introduce a benchmark designed to evaluate RAG pipelines as a whole, evaluating a pipeline's ability…

Artificial Intelligence · Computer Science 2026-05-25 Samuel Hildebrand , Curtis Taylor , Sean Oesch , James M Ghawaly , Amir Sadovnik , Ryan Shivers , Brandon Schreiber , Kevin Kurian

Textual data such as tags, sentence descriptions are combined with visual cues to reduce the semantic gap for image retrieval applications in today's Multimodal Image Retrieval (MIR) systems. However, all tags are treated as equally…

Computer Vision and Pattern Recognition · Computer Science 2017-01-11 Shangwen Li , Sanjay Purushotham , Chen Chen , Yuzhuo Ren , C. -C. Jay Kuo

Efficient long-video understanding~(LVU) remains a challenging task in computer vision. Current long-context vision-language models~(LVLMs) suffer from information loss due to compression and brute-force downsampling. While…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Huaying Yuan , Zheng Liu , Minghao Qin , Hongjin Qian , Yan Shu , Zhicheng Dou , Ji-Rong Wen , Nicu Sebe

Visually rich documents (VRDs) challenge retrieval-augmented generation (RAG) with layout-dependent semantics, brittle OCR, and evidence spread across complex figures and structured tables. This survey examines how Multimodal Large Language…

Information Retrieval · Computer Science 2026-01-08 Xiantao Zhang

The exponential increase in video content poses significant challenges in terms of efficient navigation, search, and retrieval, thus requiring advanced video summarization techniques. Existing video summarization methods, which heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Min Jung Lee , Dayoung Gong , Minsu Cho

The rapid growth of online video resources has significantly promoted the development of video retrieval methods. As a standard evaluation metric for video retrieval, Average Precision (AP) assesses the overall rankings of relevant videos…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yang Liu , Qianqian Xu , Peisong Wen , Siran Dai , Qingming Huang