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Multi-modal retrieval has seen tremendous progress with the development of vision-language models. However, further improving these models require additional labelled data which is a huge manual effort. In this paper, we propose a framework…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Avinash Madasu , Estelle Aflalo , Gabriela Ben Melech Stan , Shachar Rosenman , Shao-Yen Tseng , Gedas Bertasius , Vasudev Lal

This paper addresses the problem of video summarization. Given an input video, the goal is to select a subset of the frames to create a summary video that optimally captures the important information of the input video. With the large…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Mrigank Rochan , Linwei Ye , Yang Wang

This paper introduces a framework for super-resolution of scalable video based on compressive sensing and sparse representation of residual frames in reconnaissance and surveillance applications. We exploit efficient compressive sampling…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Mohammad Hossein Moghaddam , Mohammad Javad Azizipour , Saeed Vahidian , Besma Smida

Researchers have presented systems for efficiently analysing video data at scale using sampling algorithms. While these systems effectively leverage the temporal redundancy present in videos, they suffer from three limitations. First, they…

Databases · Computer Science 2021-04-06 Jaeho Bang , Pramod Chunduri , Joy Arulraj

Due to a noticeable expansion of document recognition applicability, there is a high demand for recognition on mobile devices. A mobile camera, unlike a scanner, cannot always ensure the absence of various image distortions, therefore the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Olga Petrova , Konstantin Bulatov , Vladimir L. Arlazarov

Multimodal Retrieval-Augmented Generation (MRAG) enhances large language models (LLMs) by integrating multimodal data (text, images, videos) into retrieval and generation processes, overcoming the limitations of text-only…

Information Retrieval · Computer Science 2025-04-15 Lang Mei , Siyu Mo , Zhihan Yang , Chong Chen

Vision-language models (VLMs) advance video understanding but operate under tight computational budgets, making performance dependent on selecting a small, high-quality subset of frames. Existing frame sampling strategies, such as uniform…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Chaoyu Li , Tianzhi Li , Fei Tao , Zhenyu Zhao , Ziqian Wu , Maozheng Zhao , Juntong Song , Cheng Niu , Pooyan Fazli

Video Moment Retrieval (VMR) aims to retrieve temporal segments in untrimmed videos corresponding to a given language query by constructing cross-modal alignment strategies. However, these existing strategies are often sub-optimal since…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Zhihang Liu , Jun Li , Hongtao Xie , Pandeng Li , Jiannan Ge , Sun-Ao Liu , Guoqing Jin

Videos inherently contain multiple modalities, including visual events, text overlays, sounds, and speech, all of which are important for retrieval. However, state-of-the-art multimodal language models like VAST and LanguageBind are built…

The increasing amount of online videos brings several opportunities for training self-supervised neural networks. The creation of large scale datasets of videos such as the YouTube-8M allows us to deal with this large amount of data in…

Information Retrieval · Computer Science 2018-01-09 Didac Surís , Amanda Duarte , Amaia Salvador , Jordi Torres , Xavier Giró-i-Nieto

Current state-of-the-art approaches to cross-modal retrieval process text and visual input jointly, relying on Transformer-based architectures with cross-attention mechanisms that attend over all words and objects in an image. While…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Gregor Geigle , Jonas Pfeiffer , Nils Reimers , Ivan Vulić , Iryna Gurevych

Vision-Language Models (VLMs) are able to process increasingly longer videos. Yet, important visual information is easily lost throughout the entire context and missed by VLMs. Also, it is important to design tools that enable…

Computation and Language · Computer Science 2026-01-09 Galann Pennec , Zhengyuan Liu , Nicholas Asher , Philippe Muller , Nancy F. Chen

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

We propose a multiple instance learning approach to content-based retrieval of classroom video for the purpose of supporting human assessing the learning environment. The key element of our approach is a mapping between the semantic…

Information Retrieval · Computer Science 2014-03-26 Qifeng Qiao , Peter A. Beling

Industrial standards and normative documents exhibit intricate hierarchical structures, domain-specific lexicons, and extensive cross-referential dependencies, which making it challenging to process them directly by Large Language Models…

Information Retrieval · Computer Science 2026-04-14 Aiman Al Masoud , Marco Arazzi , Simone Germani , Antonino Nocera

Retrieval-Augmented Generation (RAG) is increasingly employed in generative AI-driven scientific workflows to integrate rapidly evolving scientific knowledge bases, yet its reliability is frequently compromised by non-determinism in their…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-24 Baiqiang Wang , Dongfang Zhao , Nathan R Tallent , Luanzheng Guo

Not all video frames are equally informative for recognizing an action. It is computationally infeasible to train deep networks on all video frames when actions develop over hundreds of frames. A common heuristic is uniformly sampling a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Xin Liu , Silvia L. Pintea , Fatemeh Karimi Nejadasl , Olaf Booij , Jan C. van Gemert

The goal of video segmentation is to turn video data into a set of concrete motion clusters that can be easily interpreted as building blocks of the video. There are some works on similar topics like detecting scene cuts in a video, but…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Hajar Sadeghi Sokeh , Vasileios Argyriou , Dorothy Monekosso , Paolo Remagnino

Visual RAG has offered an alternative to traditional RAG. It treats documents as images and uses vision encoders to obtain vision patch tokens. However, hundreds of patch tokens per document create retrieval and storage challenges in a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Ho Hung Lim , Yi Yang

Video Multimodal Large Language Models (MLLMs) have shown remarkable capability of understanding the video semantics on various downstream tasks. Despite the advancements, there is still a lack of systematic research on visual context…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Yifan Du , Yuqi Huo , Kun Zhou , Zijia Zhao , Haoyu Lu , Han Huang , Wayne Xin Zhao , Bingning Wang , Weipeng Chen , Ji-Rong Wen