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Current video retrieval efforts all found their evaluation on an instance-based assumption, that only a single caption is relevant to a query video and vice versa. We demonstrate that this assumption results in performance comparisons often…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Michael Wray , Hazel Doughty , Dima Damen

Streamlining content discovery within media archives requires integrating advanced data representations and effective visualization techniques for clear communication of video topics to users. The proposed system addresses the challenge of…

Information Retrieval · Computer Science 2024-02-13 Oron Nir , Idan Vidra , Avi Neeman , Barak Kinarti , Ariel Shamir

Up to now, only limited research has been conducted on cross-modal retrieval of suitable music for a specified video or vice versa. Moreover, much of the existing research relies on metadata such as keywords, tags, or associated description…

Computer Vision and Pattern Recognition · Computer Science 2017-09-04 Sungeun Hong , Woobin Im , Hyun S. Yang

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

With the development of multimedia data types and available bandwidth there is huge demand of video retrieval systems, as users shift from text based retrieval systems to content based retrieval systems. Selection of extracted features play…

Multimedia · Computer Science 2012-05-09 B V Patel , B B Meshram

Long video understanding remains challenging for multimodal large language models (MLLMs) due to limited context windows, which necessitate identifying sparse query-relevant video segments. However, existing methods predominantly localize…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Ruoliu Yang , Chu Wu , Caifeng Shan , Ran He , Chaoyou Fu

Text-video retrieval is a challenging task that aims to identify relevant videos given textual queries. Compared to conventional textual retrieval, the main obstacle for text-video retrieval is the semantic gap between the textual nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Qian Li , Lixin Su , Jiashu Zhao , Long Xia , Hengyi Cai , Suqi Cheng , Hengzhu Tang , Junfeng Wang , Dawei Yin

Video Retrieval is a challenging task where a text query is matched to a video or vice versa. Most of the existing approaches for addressing such a problem rely on annotations made by the users. Although simple, this approach is not always…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Jesús Andrés Portillo-Quintero , José Carlos Ortiz-Bayliss , Hugo Terashima-Marín

Current text-video retrieval methods mainly rely on cross-modal matching between queries and videos to calculate their similarity scores, which are then sorted to obtain retrieval results. This method considers the matching between each…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Yili Li , Jing Yu , Keke Gai , Bang Liu , Gang Xiong , Qi Wu

Text-video retrieval is a challenging cross-modal task, which aims to align visual entities with natural language descriptions. Current methods either fail to leverage the local details or are computationally expensive. What's worse, they…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Peng Jin , Hao Li , Zesen Cheng , Jinfa Huang , Zhennan Wang , Li Yuan , Chang Liu , Jie Chen

Given a gallery of uncaptioned video sequences, this paper considers the task of retrieving videos based on their relevance to an unseen text query. To compensate for the lack of annotations, we rely instead on a related video gallery…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Jonathan Munro , Michael Wray , Diane Larlus , Gabriela Csurka , Dima Damen

There have been a few recent methods proposed in text to video moment retrieval using natural language queries, but requiring full supervision during training. However, acquiring a large number of training videos with temporal boundary…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Niluthpol Chowdhury Mithun , Sujoy Paul , Amit K. Roy-Chowdhury

Text data present in multimedia contain useful information for automatic annotation, indexing. Extracted information used for recognition of the overlay or scene text from a given video or image. The Extracted text can be used for…

Information Retrieval · Computer Science 2014-04-08 Avinash N Bhute , B. B. Meshram

Text-to-Video (T2V) retrieval aims to identify the most relevant item from a gallery of videos based on a user's text query. Traditional methods rely solely on aligning video and text modalities to compute the similarity and retrieve…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Adriano Fragomeni , Dima Damen , Michael Wray

We present LDAExplore, a tool to visualize topic distributions in a given document corpus that are generated using Topic Modeling methods. Latent Dirichlet Allocation (LDA) is one of the basic methods that is predominantly used to generate…

Information Retrieval · Computer Science 2015-07-24 Ashwinkumar Ganesan , Kiante Brantley , Shimei Pan , Jian Chen

Deep learning has successfully shown excellent performance in learning joint representations between different data modalities. Unfortunately, little research focuses on cross-modal correlation learning where temporal structures of…

Multimedia · Computer Science 2019-08-13 Donghuo Zeng , Yi Yu , Keizo Oyama

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…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Zechen Bai , Tianjun Xiao , Tong He , Pichao Wang , Zheng Zhang , Thomas Brox , Mike Zheng Shou

We introduce the task of retrieving relevant video moments from a large corpus of untrimmed, unsegmented videos given a natural language query. Our task poses unique challenges as a system must efficiently identify both the relevant videos…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Victor Escorcia , Mattia Soldan , Josef Sivic , Bernard Ghanem , Bryan Russell

In this work, we propose a fast content-based video querying system for large-scale video search. The proposed system is distinguished from similar works with two major contributions. First contribution is superiority of joint usage of…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Ersin Esen , Savas Ozkan , Ilkay Atil

Semantic annotations have to satisfy quality constraints to be useful for digital libraries, which is particularly challenging on large and diverse datasets. Confidence scores of multi-label classification methods typically refer only to…

Information Retrieval · Computer Science 2018-06-08 Martin Toepfer , Christin Seifert