中文
相关论文

相关论文: Learning to Localize Temporal Events in Large-scal…

200 篇论文

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…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Cristian Rodriguez-Opazo , Edison Marrese-Taylor , Basura Fernando , Hongdong Li , Stephen Gould

Anomaly action detection and localization play an essential role in security and advanced surveillance systems. However, due to the tremendous amount of surveillance videos, most of the available data for the task is unlabeled or…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Nada Osman , Marwan Torki

In video analysis, understanding the temporal context is crucial for recognizing object interactions, event patterns, and contextual changes over time. The proposed model leverages adjacency and semantic similarities between objects from…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Ahnaf Farhan , M. Shahriar Hossain

Recognizing Video events in long, complex videos with multiple sub-activities has received persistent attention recently. This task is more challenging than traditional action recognition with short, relatively homogeneous video clips. In…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Yikang Li , Tianshu Yu , Baoxin Li

In this work, we propose an approach to the spatiotemporal localisation (detection) and classification of multiple concurrent actions within temporally untrimmed videos. Our framework is composed of three stages. In stage 1, appearance and…

计算机视觉与模式识别 · 计算机科学 2016-08-05 Suman Saha , Gurkirt Singh , Michael Sapienza , Philip H. S. Torr , Fabio Cuzzolin

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

Recognizing and localizing events in videos is a fundamental task for video understanding. Since events may occur in auditory and visual modalities, multimodal detailed perception is essential for complete scene comprehension. Most previous…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Jiashuo Yu , Ying Cheng , Rui-Wei Zhao , Rui Feng , Yuejie Zhang

In this paper, we newly introduce the concept of temporal attention filters, and describe how they can be used for human activity recognition from videos. Many high-level activities are often composed of multiple temporal parts (e.g.,…

计算机视觉与模式识别 · 计算机科学 2016-12-28 AJ Piergiovanni , Chenyou Fan , Michael S. Ryoo

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

This thesis explore different approaches using Convolutional and Recurrent Neural Networks to classify and temporally localize activities on videos, furthermore an implementation to achieve it has been proposed. As the first step, features…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Alberto Montes , Amaia Salvador , Santiago Pascual , Xavier Giro-i-Nieto

We consider the task of temporal human action localization in lifestyle vlogs. We introduce a novel dataset consisting of manual annotations of temporal localization for 13,000 narrated actions in 1,200 video clips. We present an extensive…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Oana Ignat , Santiago Castro , Yuhang Zhou , Jiajun Bao , Dandan Shan , Rada Mihalcea

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…

信息检索 · 计算机科学 2018-01-09 Didac Surís , Amanda Duarte , Amaia Salvador , Jordi Torres , Xavier Giró-i-Nieto

Deep-Learning-based video recognition has shown promising improvements along with the development of large-scale datasets and spatiotemporal network architectures. In image recognition, learning spatially invariant features is a key factor…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Taeoh Kim , Hyeongmin Lee , MyeongAh Cho , Ho Seong Lee , Dong Heon Cho , Sangyoun Lee

Video large language models (Video-LLMs) can temporally ground language queries and retrieve video moments. Yet, such temporal comprehension capabilities are neither well-studied nor understood. So we conduct a study on prediction…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Minjoon Jung , Junbin Xiao , Byoung-Tak Zhang , Angela Yao

Identifying unusual driving behaviors exhibited by drivers during driving is essential for understanding driver behavior and the underlying causes of crashes. Previous studies have primarily approached this problem as a classification task,…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Armstrong Aboah , Ulas Bagci , Abdul Rashid Mussah , Neema Jakisa Owor , Yaw Adu-Gyamfi

Large-scale datasets have played a significant role in progress of neural network and deep learning areas. YouTube-8M is such a benchmark dataset for general multi-label video classification. It was created from over 7 million YouTube…

机器学习 · 统计学 2017-06-27 Zhenzhen Zhong , Shujiao Huang , Cheng Zhan , Licheng Zhang , Zhiwei Xiao , Chang-Chun Wang , Pei Yang

Automatically describing a video with natural language is regarded as a fundamental challenge in computer vision. The problem nevertheless is not trivial especially when a video contains multiple events to be worthy of mention, which often…

计算机视觉与模式识别 · 计算机科学 2018-04-24 Yehao Li , Ting Yao , Yingwei Pan , Hongyang Chao , Tao Mei

Rapid development of large language models (LLMs) has significantly advanced multimodal large language models (LMMs), particularly in vision-language tasks. However, existing video-language models often overlook precise temporal…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Shimin Chen , Xiaohan Lan , Yitian Yuan , Zequn Jie , Lin Ma

We address the problem of fine-grained action localization from temporally untrimmed web videos. We assume that only weak video-level annotations are available for training. The goal is to use these weak labels to identify temporal segments…

计算机视觉与模式识别 · 计算机科学 2015-08-05 Chen Sun , Sanketh Shetty , Rahul Sukthankar , Ram Nevatia

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe