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Efficient neural representations for dynamic video scenes are critical for applications ranging from video compression to interactive simulations. Yet, existing methods often face challenges related to high memory usage, lengthy training…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Andrew Bond , Jui-Hsien Wang , Long Mai , Erkut Erdem , Aykut Erdem

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

The surge in video and social media content underscores the need for a deeper understanding of multimedia data. Most of the existing mature video understanding techniques perform well with short formats and content that requires only…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Yuanxing Xu , Yuting Wei , Bin Wu

The state of the art in video understanding suffers from two problems: (1) The major part of reasoning is performed locally in the video, therefore, it misses important relationships within actions that span several seconds. (2) While there…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Mohammadreza Zolfaghari , Kamaljeet Singh , Thomas Brox

Bridging vision and natural language is a longstanding goal in computer vision and multimedia research. While earlier works focus on generating a single-sentence description for visual content, recent works have studied paragraph…

Multimedia · Computer Science 2020-05-15 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

In this paper, we address the problem of high performance and computationally efficient content-based video retrieval in large-scale datasets. Current methods typically propose either: (i) fine-grained approaches employing spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Giorgos Kordopatis-Zilos , Christos Tzelepis , Symeon Papadopoulos , Ioannis Kompatsiaris , Ioannis Patras

Text-to-video retrieval enables users to find relevant video content using natural language queries, a task that has grown increasingly important with the rapid expansion of online video. Over the past six years, research has produced…

Vision-language models (VLMs) have demonstrated impressive multimodal comprehension capabilities and are being deployed in an increasing number of online video understanding applications. While recent efforts extensively explore advancing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-08 Shengyuan Ye , Bei Ouyang , Tianyi Qian , Liekang Zeng , Mu Yuan , Xiaowen Chu , Weijie Hong , Xu Chen

This paper is on long-term video understanding where the goal is to recognise human actions over long temporal windows (up to minutes long). In prior work, long temporal context is captured by constructing a long-term memory bank consisting…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Ioanna Ntinou , Enrique Sanchez , Georgios Tzimiropoulos

Understanding long video content is a complex endeavor that often relies on densely sampled frame captions or end-to-end feature selectors, yet these techniques commonly overlook the logical relationships between textual queries and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Weiyu Guo , Ziyang Chen , Shaoguang Wang , Jianxiang He , Yijie Xu , Jinhui Ye , Ying Sun , Hui Xiong

Video Large Language Models (VideoLLMs) excel at video understanding tasks where outputs are textual, such as Video Question Answering and Video Captioning. However, they underperform specialized embedding-based models in Retrieval tasks,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Rohit Gupta , Jayakrishnan Unnikrishnan , Fan Fei , Sheng Liu , Son Tran , Mubarak Shah

In this paper we present an approach for supporting users in the difficult task of searching for video. We use collaborative feedback mined from the interactions of earlier users of a video search system to help users in their current…

Information Retrieval · Computer Science 2009-08-07 Frank Hopfgartner , David Vallet , Martin Halvey , Joemon Jose

As large amount of visual Information is available on web in form of images, graphics, animations and videos, so it is important in internet era to have an effective video search system. As there are number of video search engine (blinkx,…

Computer Vision and Pattern Recognition · Computer Science 2014-01-03 Avinash N Bhute , B. B. Meshram

Despite the success of deep learning in video understanding tasks, processing every frame in a video is computationally expensive and often unnecessary in real-time applications. Frame selection aims to extract the most informative and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Mingjun Zhao , Yakun Yu , Xiaoli Wang , Lei Yang , Di Niu

Long video understanding requires more than large context windows. It also needs a memory mechanism that decides what visual evidence to retain, keeps it searchable over long horizons, and grounds later reasoning in recoverable observations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Aiden Yiliu Li , Nels Numan , Anthony Steed

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

Recent years have witnessed an increasing amount of dialogue/conversation on the web especially on social media. That inspires the development of dialogue-based retrieval, in which retrieving videos based on dialogue is of increasing…

Information Retrieval · Computer Science 2023-03-30 Chenyang Lyu , Manh-Duy Nguyen , Van-Tu Ninh , Liting Zhou , Cathal Gurrin , Jennifer Foster

The query-based moment retrieval is a problem of localising a specific clip from an untrimmed video according a query sentence. This is a challenging task that requires interpretation of both the natural language query and the video…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä

Multimodal large language models (MLLMs) have made significant progress in visual-language reasoning, but their ability to efficiently handle long videos remains limited. Despite recent advances in long-context MLLMs, storing and attending…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Yanlai Yang , Zhuokai Zhao , Satya Narayan Shukla , Aashu Singh , Shlok Kumar Mishra , Lizhu Zhang , Mengye Ren

Caching has the potential to be of significant benefit for accessing large language models (LLMs) due to their high latencies which typically range from a small number of seconds to well over a minute. Furthermore, many LLMs charge money…

Databases · Computer Science 2025-03-25 Arun Iyengar , Ashish Kundu , Ramana Kompella , Sai Nandan Mamidi