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Related papers: Actor-Transformers for Group Activity Recognition

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As the success of deep models has led to their deployment in all areas of computer vision, it is increasingly important to understand how these representations work and what they are capturing. In this paper, we shed light on deep…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Christoph Feichtenhofer , Axel Pinz , Richard P. Wildes , Andrew Zisserman

Video action detection (VAD) aims to detect actors and classify their actions in a video. We figure that VAD suffers more from classification rather than localization of actors. Hence, we analyze how prevailing methods form features for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Jinsung Lee , Taeoh Kim , Inwoong Lee , Minho Shim , Dongyoon Wee , Minsu Cho , Suha Kwak

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

Understanding dynamic hand motions and actions from egocentric RGB videos is a fundamental yet challenging task due to self-occlusion and ambiguity. To address occlusion and ambiguity, we develop a transformer-based framework to exploit…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Yilin Wen , Hao Pan , Lei Yang , Jia Pan , Taku Komura , Wenping Wang

Robust video scene classification models should capture the spatial (pixel-wise) and temporal (frame-wise) characteristics of a video effectively. Transformer models with self-attention which are designed to get contextualized…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Saurabh Sahu , Palash Goyal

In recent years, video action recognition, as a fundamental task in the field of video understanding, has been deeply explored by numerous researchers.Most traditional video action recognition methods typically involve converting videos…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junlin Chen , Chengcheng Xu , Yangfan Xu , Jian Yang , Jun Li , Zhiping Shi

We propose TubeR: a simple solution for spatio-temporal video action detection. Different from existing methods that depend on either an off-line actor detector or hand-designed actor-positional hypotheses like proposals or anchors, we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Jiaojiao Zhao , Yanyi Zhang , Xinyu Li , Hao Chen , Shuai Bing , Mingze Xu , Chunhui Liu , Kaustav Kundu , Yuanjun Xiong , Davide Modolo , Ivan Marsic , Cees G. M. Snoek , Joseph Tighe

The task of action recognition or action detection involves analyzing videos and determining what action or motion is being performed. The primary subject of these videos are predominantly humans performing some action. However, this…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Amlaan Bhoi

Humans can easily understand a single image as depicting multiple potential objects permitting interaction. We use this skill to plan our interactions with the world and accelerate understanding new objects without engaging in interaction.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Shengyi Qian , David F. Fouhey

Recognizing and comprehending human actions and gestures is a crucial perception requirement for robots to interact with humans and carry out tasks in diverse domains, including service robotics, healthcare, and manufacturing. Event…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Tristan de Blegiers , Ishan Rajendrakumar Dave , Adeel Yousaf , Mubarak Shah

Fine-grained action recognition is a challenging task in computer vision. As fine-grained datasets have small inter-class variations in spatial and temporal space, fine-grained action recognition model requires good temporal reasoning and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Mei Chee Leong , Haosong Zhang , Hui Li Tan , Liyuan Li , Joo Hwee Lim

In this paper, we tackle the problem of detecting objects in 3D and forecasting their future motion in the context of self-driving. Towards this goal, we design a novel approach that explicitly takes into account the interactions between…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Lingyun Luke Li , Bin Yang , Ming Liang , Wenyuan Zeng , Mengye Ren , Sean Segal , Raquel Urtasun

We propose a novel framework for multi-person 3D motion trajectory prediction. Our key observation is that a human's action and behaviors may highly depend on the other persons around. Thus, instead of predicting each human pose trajectory…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Jiashun Wang , Huazhe Xu , Medhini Narasimhan , Xiaolong Wang

Algorithms for the action segmentation task typically use temporal models to predict what action is occurring at each frame for a minute-long daily activity. Recent studies have shown the potential of Transformer in modeling the relations…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Fangqiu Yi , Hongyu Wen , Tingting Jiang

Human Interaction Recognition is the process of identifying interactive actions between multiple participants in a specific situation. The aim is to recognise the action interactions between multiple entities and their meaning. Many single…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Ruoqi Yin , Jianqin Yin

Language-driven action localization in videos is a challenging task that involves not only visual-linguistic matching but also action boundary prediction. Recent progress has been achieved through aligning language query to video segments,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Shuo Yang , Xinxiao Wu

While observing complex events with multiple actors, humans do not assess each actor separately, but infer from the context. The surrounding context provides essential information for understanding actions. To this end, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Oytun Ulutan , Swati Rallapalli , Mudhakar Srivatsa , Carlos Torres , B. S. Manjunath

We propose a novel scheme for human action recognition in videos, using a 3-dimensional Convolutional Neural Network (3D CNN) based classifier. Traditionally in deep learning based human activity recognition approaches, either a few random…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 S. H. Shabbeer Basha , Viswanath Pulabaigari , Snehasis Mukherjee

Social group activity recognition is a challenging task extended from group activity recognition, where social groups must be recognized with their activities and group members. Existing methods tackle this task by leveraging region…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Masato Tamura

We have seen a great progress in video action recognition in recent years. There are several models based on convolutional neural network (CNN) and some recent transformer based approaches which provide top performance on existing…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Madeline Chantry Schiappa , Naman Biyani , Prudvi Kamtam , Shruti Vyas , Hamid Palangi , Vibhav Vineet , Yogesh Rawat