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Related papers: Uncovering Temporal Context for Video Question and…

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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

In the era of large language models, applying techniques such as Retrieval Augmented Generation can better address Open-Domain Question-Answering problems. Due to constraints including model sizes and computing resources, the length of…

Computation and Language · Computer Science 2024-12-24 Zhuo Chen , Xinyu Wang , Yong Jiang , Pengjun Xie , Fei Huang , Kewei Tu

Video question answering requires the models to understand and reason about both the complex video and language data to correctly derive the answers. Existing efforts have been focused on designing sophisticated cross-modal interactions to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Junbin Xiao , Angela Yao , Zhiyuan Liu , Yicong Li , Wei Ji , Tat-Seng Chua

Multi-modal Ads Video Understanding Challenge is the first grand challenge aiming to comprehensively understand ads videos. Our challenge includes two tasks: video structuring in the temporal dimension and multi-modal video classification.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Zhenzhi Wang , Liyu Wu , Zhimin Li , Jiangfeng Xiong , Qinglin Lu

Temporal language grounding in videos aims to localize the temporal span relevant to the given query sentence. Previous methods treat it either as a boundary regression task or a span extraction task. This paper will formulate temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Jialin Gao , Xin Sun , Mengmeng Xu , Xi Zhou , Bernard Ghanem

We propose a method for generating a temporally remapped video that matches the desired target duration while maximally preserving natural video dynamics. Our approach trains a neural network through self-supervision to recognize and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Simon Jenni , Markus Woodson , Fabian Caba Heilbron

An ideal model for dense video captioning -- predicting captions localized temporally in a video -- should be able to handle long input videos, predict rich, detailed textual descriptions, and be able to produce outputs before processing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Xingyi Zhou , Anurag Arnab , Shyamal Buch , Shen Yan , Austin Myers , Xuehan Xiong , Arsha Nagrani , Cordelia Schmid

This paper presents an approach for Evoked Expressions from Videos (EEV) challenge, which aims to predict evoked facial expressions from video. We take advantage of pre-trained models on large-scale datasets in computer vision and audio…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 VanThong Huynh , Guee-Sang Lee , Hyung-Jeong Yang , Soo-Huyng Kim

Video captioning has been attracting broad research attention in multimedia community. However, most existing approaches either ignore temporal information among video frames or just employ local contextual temporal knowledge. In this work,…

Multimedia · Computer Science 2016-06-16 Yi Bin , Yang Yang , Zi Huang , Fumin Shen , Xing Xu , Heng Tao Shen

We introduce ReXTime, a benchmark designed to rigorously test AI models' ability to perform temporal reasoning within video events. Specifically, ReXTime focuses on reasoning across time, i.e. human-like understanding when the question and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Jr-Jen Chen , Yu-Chien Liao , Hsi-Che Lin , Yu-Chu Yu , Yen-Chun Chen , Yu-Chiang Frank Wang

Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

Video prediction is commonly referred to as forecasting future frames of a video sequence provided several past frames thereof. It remains a challenging domain as visual scenes evolve according to complex underlying dynamics, such as the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Hafez Farazi , Jan Nogga , Sven Behnke

In this paper, we initiate an attempt of developing an end-to-end chat-centric video understanding system, coined as VideoChat. It integrates video foundation models and large language models via a learnable neural interface, excelling in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 KunChang Li , Yinan He , Yi Wang , Yizhuo Li , Wenhai Wang , Ping Luo , Yali Wang , Limin Wang , Yu Qiao

Identifying a short segment in a long video that semantically matches a text query is a challenging task that has important application potentials in language-based video search, browsing, and navigation. Typical retrieval systems respond…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Bowen Zhang , Hexiang Hu , Joonseok Lee , Ming Zhao , Sheide Chammas , Vihan Jain , Eugene Ie , Fei Sha

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

In this paper, we focus on the Audio-Visual Question Answering (AVQA) task, which aims to answer questions regarding different visual objects, sounds, and their associations in videos. The problem requires comprehensive multimodal…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Guangyao Li , Yake Wei , Yapeng Tian , Chenliang Xu , Ji-Rong Wen , Di Hu

Recent advancements in video-language understanding have been established on the foundation of image-text models, resulting in promising outcomes due to the shared knowledge between images and videos. However, video-language understanding…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Xiao Wang , Yaoyu Li , Tian Gan , Zheng Zhang , Jingjing Lv , Liqiang Nie

It is well believed that video captioning is a fundamental but challenging task in both computer vision and artificial intelligence fields. The prevalent approach is to map an input video to a variable-length output sentence in a sequence…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Jingwen Chen , Yingwei Pan , Yehao Li , Ting Yao , Hongyang Chao , Tao Mei

Long-form video understanding presents significant challenges for interactive retrieval systems, as conventional methods struggle to process extensive video content efficiently. Existing approaches often rely on single models, inefficient…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Huu-Loc Tran , Tinh-Anh Nguyen-Nhu , Huu-Phong Phan-Nguyen , Tien-Huy Nguyen , Nhat-Minh Nguyen-Dich , Anh Dao , Huy-Duc Do , Quan Nguyen , Hoang M. Le , Quang-Vinh Dinh

Understanding web instructional videos is an essential branch of video understanding in two aspects. First, most existing video methods focus on short-term actions for a-few-second-long video clips; these methods are not directly applicable…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Shaojie Wang , Wentian Zhao , Ziyi Kou , Chenliang Xu