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Traditional human activity recognition (HAR) based on time series adopts sliding window analysis method. This method faces the multi-class window problem which mistakenly labels different classes of sampling points within a window as a…

机器学习 · 计算机科学 2018-09-24 Yong Zhang , Yu Zhang , Zhao Zhang , Jie Bao , Yunpeng Song

Deep learning has been demonstrated to achieve excellent results for image classification and object detection. However, the impact of deep learning on video analysis (e.g. action detection and recognition) has been limited due to…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Rui Hou , Chen Chen , Mubarak Shah

3D skeleton-based motion prediction and activity recognition are two interwoven tasks in human behaviour analysis. In this work, we propose a motion context modeling methodology that provides a new way to combine the advantages of both…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Dianhao Zhang , Ngo Anh Vien , Mien Van , Sean McLoone

Being able to detect and recognize human activities is essential for several applications, including personal assistive robotics. In this paper, we perform detection and recognition of unstructured human activity in unstructured…

机器人学 · 计算机科学 2014-06-25 Jaeyong Sung , Colin Ponce , Bart Selman , Ashutosh Saxena

This article proposes a novel approach for augmenting generative adversarial network (GAN) with a self-supervised task in order to improve its ability for encoding video representations that are useful in downstream tasks such as human…

计算机视觉与模式识别 · 计算机科学 2021-07-08 Mohammad Zaki Zadeh , Ashwin Ramesh Babu , Ashish Jaiswal , Fillia Makedon

We propose an approach for forecasting video of complex human activity involving multiple people. Direct pixel-level prediction is too simple to handle the appearance variability in complex activities. Hence, we develop novel intermediate…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Mengyao Zhai , Jiacheng Chen , Ruizhi Deng , Lei Chen , Ligeng Zhu , Greg Mori

We propose a method for human activity recognition from RGB data that does not rely on any pose information during test time and does not explicitly calculate pose information internally. Instead, a visual attention module learns to predict…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Fabien Baradel , Christian Wolf , Julien Mille , Graham W. Taylor

Upsurging abnormal activities in crowded locations such as airports, train stations, bus stops, shopping malls, etc., urges the necessity for an intelligent surveillance system. An intelligent surveillance system can differentiate between…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Shahriar Jahan , Roknuzzaman , Md Robiul Islam

We propose a new method for anomaly detection of human actions. Our method works directly on human pose graphs that can be computed from an input video sequence. This makes the analysis independent of nuisance parameters such as viewpoint…

计算机视觉与模式识别 · 计算机科学 2020-04-13 Amir Markovitz , Gilad Sharir , Itamar Friedman , Lihi Zelnik-Manor , Shai Avidan

Most of the crowd abnormal event detection methods rely on complex hand-crafted features to represent the crowd motion and appearance. Convolutional Neural Networks (CNN) have shown to be a powerful tool with excellent representational…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Mahdyar Ravanbakhsh , Moin Nabi , Hossein Mousavi , Enver Sangineto , Nicu Sebe

Deep learning models have been widely used for anomaly detection in surveillance videos. Typical models are equipped with the capability to reconstruct normal videos and evaluate the reconstruction errors on anomalous videos to indicate the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Xianlin Zeng , Yalong Jiang , Wenrui Ding , Hongguang Li , Yafeng Hao , Zifeng Qiu

The state-of-the art solutions for human activity understanding from a video stream formulate the task as a spatio-temporal problem which requires joint localization of all individuals in the scene and classification of their actions or…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Mahsa Ehsanpour , Alireza Abedin , Fatemeh Saleh , Javen Shi , Ian Reid , Hamid Rezatofighi

Inertial sensors are present in most mobile devices nowadays and such devices are used by people during most of their daily activities. In this paper, we present an approach for human activity recognition based on inertial sensors by…

计算机视觉与模式识别 · 计算机科学 2017-12-06 Otávio A. B. Penatti , Milton F. S. Santos

Numerous powerful point process models have been developed to understand temporal patterns in sequential data from fields such as health-care, electronic commerce, social networks, and natural disaster forecasting. In this paper, we develop…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Yatao Zhong , Bicheng Xu , Guang-Tong Zhou , Luke Bornn , Greg Mori

We propose an efficient approach for activity detection in video that unifies activity categorization with space-time localization. The main idea is to pose activity detection as a maximum-weight connected subgraph problem. Offline, we…

计算机视觉与模式识别 · 计算机科学 2016-07-12 Chao-Yeh Chen , Kristen Grauman

Activity recognition has become a popular research branch in the field of pervasive computing in recent years. A large number of experiments can be obtained that activity sensor-based data's characteristic in activity recognition is…

计算机视觉与模式识别 · 计算机科学 2018-05-21 Li Xue , Si Xiandong , Nie Lanshun , Li Jiazhen , Ding Renjie , Zhan Dechen , Chu Dianhui

Recognizing human actions based on videos has became one of the most popular areas of research in computer vision in recent years. This area has many applications such as surveillance, robotics, health care, video search and human-computer…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Aytekin Nebisoy , Saber Malekzadeh

Recognizing human actions is a vital task for a humanoid robot, especially in domains like programming by demonstration. Previous approaches on action recognition primarily focused on the overall prevalent action being executed, but we…

机器人学 · 计算机科学 2019-09-13 Christian R. G. Dreher , Mirko Wächter , Tamim Asfour

Human action detection is a hot topic, which is widely used in video surveillance, human machine interface, healthcare monitoring, gaming, dancing training and musical instrument teaching. As inertial sensors are low cost, portable, and…

信号处理 · 电气工程与系统科学 2021-12-14 Xia Gong , Yan Lu , Haoran Wei

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…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Ruoqi Yin , Jianqin Yin