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This paper studies the task of temporal moment localization in a long untrimmed video using natural language query. Given a query sentence, the goal is to determine the start and end of the relevant segment within the video. Our key…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Cristian Rodriguez-Opazo , Edison Marrese-Taylor , Basura Fernando , Hongdong Li , Stephen Gould

Video-text retrieval has been stuck in the information mismatch caused by personalized and inadequate textual descriptions of videos. The substantial information gap between the two modalities hinders an effective cross-modal representation…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Baoyao Yang , Junxiang Chen , Wanyun Li , Wenbin Yao , Yang Zhou

Prior works on text-based video moment localization focus on temporally grounding the textual query in an untrimmed video. These works assume that the relevant video is already known and attempt to localize the moment on that relevant video…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Sudipta Paul , Niluthpol Chowdhury Mithun , Amit K. Roy-Chowdhury

Text-video retrieval is a challenging task that aims to search relevant video contents based on natural language descriptions. The key to this problem is to measure text-video similarities in a joint embedding space. However, most existing…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Xiaohan Wang , Linchao Zhu , Yi Yang

Evaluating short-form video content requires moving beyond surface-level quality metrics toward human-aligned, multimodal reasoning. While existing frameworks like VideoScore-2 assess visual and semantic fidelity, they do not capture how…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Arnav Gupta , Gurekas Singh Sahney , Hardik Rathi , Abhishek Chandwani , Ishaan Gupta , Pratik Narang , Dhruv Kumar

Retrieving target videos based on text descriptions is a task of great practical value and has received increasing attention over the past few years. Despite recent progress, imperfect annotations in existing video retrieval datasets have…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Zeyu Wang , Yu Wu , Karthik Narasimhan , Olga Russakovsky

Video retrieval using natural language queries requires learning semantically meaningful joint embeddings between the text and the audio-visual input. Often, such joint embeddings are learnt using pairwise (or triplet) contrastive loss…

Information Retrieval · Computer Science 2021-03-10 Jayaprakash A , Abhishek , Rishabh Dabral , Ganesh Ramakrishnan , Preethi Jyothi

We propose a novel supervised learning technique for summarizing videos by automatically selecting keyframes or key subshots. Casting the problem as a structured prediction problem on sequential data, our main idea is to use Long Short-Term…

Computer Vision and Pattern Recognition · Computer Science 2016-08-01 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

One of the challenging tasks in the field of video understanding is extracting semantic content from video inputs. Most existing systems use language models to describe videos in natural language sentences, but this has several major…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Taniya Das , Louis Mahon , Thomas Lukasiewicz

In this paper, we propose a novel method for video moment retrieval (VMR) that achieves state of the arts (SOTA) performance on R@1 metrics and surpassing the SOTA on the high IoU metric (R@1, IoU=0.7). First, we propose to use a multi-head…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Xinli Yu , Mohsen Malmir , Cynthia He , Yue Liu , Rex Wu

Standard LDA model suffers the problem that the topic assignment of each word is independent and word correlation hence is neglected. To address this problem, in this paper, we propose a model called Word Related Latent Dirichlet Allocation…

Computation and Language · Computer Science 2014-11-11 Xun Wang

Text-to-video retrieval systems have recently made significant progress by utilizing pre-trained models trained on large-scale image-text pairs. However, most of the latest methods primarily focus on the video modality while disregarding…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sarah Ibrahimi , Xiaohang Sun , Pichao Wang , Amanmeet Garg , Ashutosh Sanan , Mohamed Omar

Personalized search provides a potentially powerful tool, however, it is limited due to the large number of roles that a person has: parent, employee, consumer, etc. We present the role-relevance algorithm: a search technique that favors…

Information Retrieval · Computer Science 2018-05-01 Christopher A. George , Onur Ozdemir , Connie Fournelle , Kendra E. Moore

Video moment retrieval is to search the moment that is most relevant to the given natural language query. Existing methods are mostly trained in a fully-supervised setting, which requires the full annotations of temporal boundary for each…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Zhijie Lin , Zhou Zhao , Zhu Zhang , Qi Wang , Huasheng Liu

The remarkable progress in text-to-video diffusion models enables the generation of photorealistic videos, although the content of these generated videos often includes unnatural movement or deformation, reverse playback, and motionless…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Yuta Oshima , Masahiro Suzuki , Yutaka Matsuo , Hiroki Furuta

The remarkable natural language understanding, reasoning, and generation capabilities of large language models (LLMs) have made them attractive for application to video understanding, utilizing video tokens as contextual input. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Jiaqi Xu , Cuiling Lan , Wenxuan Xie , Xuejin Chen , Yan Lu

In this paper, we propose a novel approach for detecting the text present in videos and scene images based on the Multiscale Weber's Local Descriptor (MWLD). Given an input video, the shots are identified and the key frames are extracted…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 B. H. Shekar , Smitha M. L.

Existing long video retrieval systems are trained and tested in the paragraph-to-video retrieval regime, where every long video is described by a single long paragraph. This neglects the richness and variety of possible valid descriptions…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Matthew Gwilliam , Michael Cogswell , Meng Ye , Karan Sikka , Abhinav Shrivastava , Ajay Divakaran

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

There has been significant attention to the research on dense video captioning, which aims to automatically localize and caption all events within untrimmed video. Several studies introduce methods by designing dense video captioning as a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Minkuk Kim , Hyeon Bae Kim , Jinyoung Moon , Jinwoo Choi , Seong Tae Kim