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Classifying videos into distinct categories, such as Sport and Music Video, is crucial for multimedia understanding and retrieval, especially when an immense volume of video content is being constantly generated. Traditional methods require…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Yuxing Han , Yunan Ding , Chen Ye Gan , Jiangtao Wen

We describe an extension of the DeepMind Kinetics human action dataset from 600 classes to 700 classes, where for each class there are at least 600 video clips from different YouTube videos. This paper details the changes introduced for…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Joao Carreira , Eric Noland , Chloe Hillier , Andrew Zisserman

There are substantial instructional videos on the Internet, which provide us tutorials for completing various tasks. Existing instructional video datasets only focus on specific steps at the video level, lacking experiential guidelines at…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Jiafeng Liang , Shixin Jiang , Zekun Wang , Haojie Pan , Zerui Chen , Zheng Chu , Ming Liu , Ruiji Fu , Zhongyuan Wang , Bing Qin

To help customers make better-informed viewing choices, video-streaming services try to moderate their content and provide more visibility into which portions of their movies and TV episodes contain age-appropriate material (e.g., nudity,…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Xiang Hao , Jingxiang Chen , Shixing Chen , Ahmed Saad , Raffay Hamid

We are given a set of video clips, each one annotated with an {\em ordered} list of actions, such as "walk" then "sit" then "answer phone" extracted from, for example, the associated text script. We seek to temporally localize the…

计算机视觉与模式识别 · 计算机科学 2014-07-07 Piotr Bojanowski , Rémi Lajugie , Francis Bach , Ivan Laptev , Jean Ponce , Cordelia Schmid , Josef Sivic

Video summarization aims to automatically generate a diverse and concise summary which is useful in large-scale video processing. Most of the methods tend to adopt self-attention mechanism across video frames, which fails to model the…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yingchao Pan , Ouhan Huang , Qinghao Ye , Zhongjin Li , Wenjiang Wang , Guodun Li , Yuxing Chen

Automatic detection of natural disasters and incidents has become more important as a tool for fast response. There have been many studies to detect incidents using still images and text. However, the number of approaches that exploit…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Duygu Sesver , Alp Eren Gençoğlu , Çağrı Emre Yıldız , Zehra Günindi , Faeze Habibi , Ziya Ata Yazıcı , Hazım Kemal Ekenel

Longform media such as movies have complex narrative structures, with events spanning a rich variety of ambient visual scenes. Domain specific challenges associated with visual scenes in movies include transitions, person coverage, and a…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Digbalay Bose , Rajat Hebbar , Krishna Somandepalli , Haoyang Zhang , Yin Cui , Kree Cole-McLaughlin , Huisheng Wang , Shrikanth Narayanan

There is a large variation in the activities that humans perform in their everyday lives. We consider modeling these composite human activities which comprises multiple basic level actions in a completely unsupervised setting. Our model…

计算机视觉与模式识别 · 计算机科学 2016-03-14 Chenxia Wu , Jiemi Zhang , Ozan Sener , Bart Selman , Silvio Savarese , Ashutosh Saxena

Systems based on bag-of-words models from image features collected at maxima of sparse interest point operators have been used successfully for both computer visual object and action recognition tasks. While the sparse, interest-point based…

计算机视觉与模式识别 · 计算机科学 2013-12-31 Stefan Mathe , Cristian Sminchisescu

Crowd analysis via computer vision techniques is an important topic in the field of video surveillance, which has wide-spread applications including crowd monitoring, public safety, space design and so on. Pixel-wise crowd understanding is…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Qi Wang , Junyu Gao , Wei Lin , Yuan Yuan

Equipping visitors of a cultural site with a wearable device allows to easily collect information about their preferences which can be exploited to improve the fruition of cultural goods with augmented reality. Moreover, egocentric video…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Francesco Ragusa , Antonino Furnari , Sebastiano Battiato , Giovanni Signorello , Giovanni Maria Farinella

People's visual experiences of the world are easy to carve up and examine along natural language boundaries, e.g., by category labels, attribute labels, etc. However, it is more difficult to elicit detailed visuospatial information about…

计算机视觉与模式识别 · 计算机科学 2021-04-15 Yiyuan Yang , Kenneth Li , Fernanda Eliott , Maithilee Kunda

We present the Multiview Extended Video with Activities (MEVA) dataset, a new and very-large-scale dataset for human activity recognition. Existing security datasets either focus on activity counts by aggregating public video disseminated…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Kellie Corona , Katie Osterdahl , Roderic Collins , Anthony Hoogs

Video summarization is among challenging tasks in computer vision, which aims at identifying highlight frames or shots over a lengthy video input. In this paper, we propose an novel attention-based framework for video summarization with…

计算机视觉与模式识别 · 计算机科学 2020-06-04 Yen-Ting Liu , Yu-Jhe Li , Yu-Chiang Frank Wang

Deepfakes are increasingly realistic and easy to produce, raising concerns about the reliability of human judgments in misinformation settings. We study audiovisual deepfake detection by measuring how consistently crowd workers distinguish…

信息检索 · 计算机科学 2026-05-07 Michael Soprano , Andrea Cioci , Stefano Mizzaro

We address the problem of detecting attention targets in video. Our goal is to identify where each person in each frame of a video is looking, and correctly handle the case where the gaze target is out-of-frame. Our novel architecture…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Eunji Chong , Yongxin Wang , Nataniel Ruiz , James M. Rehg

Videos capture events that typically contain multiple sequential, and simultaneous, actions even in the span of only a few seconds. However, most large-scale datasets built to train models for action recognition in video only provide a…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Mathew Monfort , Bowen Pan , Kandan Ramakrishnan , Alex Andonian , Barry A McNamara , Alex Lascelles , Quanfu Fan , Dan Gutfreund , Rogerio Feris , Aude Oliva

Human activity and environment produces sounds such as, at home, the noise produced by water, cough, or television. These sounds can be used to determine the activity in the environment. The objective is to monitor a person's activity or…

人工智能 · 计算机科学 2013-11-11 Serge Smidtas , Magalie Peyrot

We introduce a new task, Video-and-Language Inference, for joint multimodal understanding of video and text. Given a video clip with aligned subtitles as premise, paired with a natural language hypothesis based on the video content, a model…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Jingzhou Liu , Wenhu Chen , Yu Cheng , Zhe Gan , Licheng Yu , Yiming Yang , Jingjing Liu