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Related papers: Human Action Sequence Classification

200 papers

We present an approach to robot learning from egocentric human videos by modeling human preferences in a reward function and optimizing robot behavior to maximize this reward. Prior work on reward learning from human videos attempts to…

Robotics · Computer Science 2026-02-13 Mrinal Verghese , Christopher G. Atkeson

A great number of computer vision publications have focused on distinguishing between human action recognition and classification rather than the intensity of actions performed. Indexing the intensity which determines the performance of…

Artificial Intelligence · Computer Science 2020-03-27 Nihar Bendre , Nima Ebadi , John J Prevost , Paul Rad

Understanding human actions in wild videos is an important task with a broad range of applications. In this paper we propose a novel approach named Hierarchical Attention Network (HAN), which enables to incorporate static spatial…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Yilin Wang , Suhang Wang , Jiliang Tang , Neil O'Hare , Yi Chang , Baoxin Li

Video action detection (spatio-temporal action localization) is usually the starting point for human-centric intelligent analysis of videos nowadays. It has high practical impacts for many applications across robotics, security, healthcare,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Xin Hu , Zhenyu Wu , Hao-Yu Miao , Siqi Fan , Taiyu Long , Zhenyu Hu , Pengcheng Pi , Yi Wu , Zhou Ren , Zhangyang Wang , Gang Hua

Activity recognition computer vision algorithms can be used to detect the presence of autism-related behaviors, including what are termed "restricted and repetitive behaviors", or stimming, by diagnostic instruments. The limited data that…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Peter Washington , Aaron Kline , Onur Cezmi Mutlu , Emilie Leblanc , Cathy Hou , Nate Stockham , Kelley Paskov , Brianna Chrisman , Dennis P. Wall

We introduce Activity Graph Transformer, an end-to-end learnable model for temporal action localization, that receives a video as input and directly predicts a set of action instances that appear in the video. Detecting and localizing…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Megha Nawhal , Greg Mori

Real-time human activity recognition plays an essential role in real-world human-centered robotics applications, such as assisted living and human-robot collaboration. Although previous methods based on skeletal data to encode human poses…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Brian Reily , Qingzhao Zhu , Christopher Reardon , Hao Zhang

We consider human activity recognition (HAR) from wearable sensor data in manual-work processes, like warehouse order-picking. Such structured domains can often be partitioned into distinct process steps, e.g., packaging or transporting.…

Signal Processing · Electrical Eng. & Systems 2021-11-09 Stefan Lüdtke , Fernando Moya Rueda , Waqas Ahmed , Gernot A. Fink , Thomas Kirste

Self-supervised methods have significantly closed the gap with end-to-end supervised learning for image classification. In the case of human action videos, however, where both appearance and motion are significant factors of variation, this…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Salar Hosseini Khorasgani , Yuxuan Chen , Florian Shkurti

We present an approach for weakly supervised learning of human actions. Given a set of videos and an ordered list of the occurring actions, the goal is to infer start and end frames of the related action classes within the video and to…

Computer Vision and Pattern Recognition · Computer Science 2017-10-10 Alexander Richard , Hilde Kuehne , Juergen Gall

When we say a person is texting, can you tell the person is walking or sitting? Emphatically, no. In order to solve this incomplete representation problem, this paper presents a sub-action descriptor for detailed action detection. The…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Cheng-Bin Jin , Shengzhe Li , Hakil Kim

The recent development of commodity 360$^{\circ}$ cameras have enabled a single video to capture an entire scene, which endows promising potentials in surveillance scenarios. However, research in omnidirectional video analysis has lagged…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Junnan Li , Jianquan Liu , Yongkang Wong , Shoji Nishimura , Mohan Kankanhalli

Human actions often involve complex interactions across several inter-related objects in the scene. However, existing approaches to fine-grained video understanding or visual relationship detection often rely on single object representation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Chih-Yao Ma , Asim Kadav , Iain Melvin , Zsolt Kira , Ghassan AlRegib , Hans Peter Graf

Action spotting in soccer videos is the task of identifying the specific time when a certain key action of the game occurs. Lately, it has received a large amount of attention and powerful methods have been introduced. Action spotting…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Alejandro Cartas , Coloma Ballester , Gloria Haro

We describe the DeepMind Kinetics human action video dataset. The dataset contains 400 human action classes, with at least 400 video clips for each action. Each clip lasts around 10s and is taken from a different YouTube video. The actions…

The recent trend in action recognition is towards larger datasets, an increasing number of action classes and larger visual vocabularies. State-of-the-art human action classification in challenging video data is currently based on a…

Computer Vision and Pattern Recognition · Computer Science 2014-05-30 Michael Sapienza , Fabio Cuzzolin , Philip H. S. Torr

Video classification and analysis is always a popular and challenging field in computer vision. It is more than just simple image classification due to the correlation with respect to the semantic contents of subsequent frames brings…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yilin Wang , Jiayi Ye

Action recognition, which is formulated as a task to identify various human actions in a video, has attracted increasing interest from computer vision researchers due to its importance in various applications. Recently, appearance-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Jack Humphreys , Zhe Chen , Dacheng Tao

Understanding emotions in videos is a challenging task. However, videos contain several modalities which make them a rich source of data for machine learning and deep learning tasks. In this work, we aim to improve video sentiment…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Mehrshad Saadatinia , Minoo Ahmadi , Armin Abdollahi

Human pose estimation and action recognition are related tasks since both problems are strongly dependent on the human body representation and analysis. Nonetheless, most recent methods in the literature handle the two problems separately.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Diogo C Luvizon , Hedi Tabia , David Picard