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The paper provides a survey of the development of machine-learning techniques for video analysis. The survey provides a summary of the most popular deep learning methods used for human activity recognition. We discuss how popular…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Marios S. Pattichis , Venkatesh Jatla , Alvaro E. Ullao Cerna

Human physical motion activity identification has many potential applications in various fields, such as medical diagnosis, military sensing, sports analysis, and human-computer security interaction. With the recent advances in smartphones…

人机交互 · 计算机科学 2022-01-24 Abdulrahman Alruban , Hind Alobaidi , Nathan Clarke' Fudong Li

Activity recognition is the ability to identify and recognize the action or goals of the agent. The agent can be any object or entity that performs action that has end goals. The agents can be a single agent performing the action or group…

机器学习 · 计算机科学 2019-06-19 Ashwin Geet D'Sa , B. G. Prasad

Fitness movement recognition, a focused subdomain of human activity recognition (HAR), plays a vital role in health monitoring, rehabilitation, and personalized fitness training by enabling automated exercise classification from video data.…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Shanjid Hasan Nishat , Srabonti Deb , Mohiuddin Ahmed

In many machine learning applications, we are faced with incomplete datasets. In the literature, missing data imputation techniques have been mostly concerned with filling missing values. However, the existence of missing values is…

机器学习 · 计算机科学 2020-09-07 Mohammad Kachuee , Kimmo Karkkainen , Orpaz Goldstein , Sajad Darabi , Majid Sarrafzadeh

Retrieval augmented methods have shown promising results in various classification tasks. However, existing methods focus on retrieving extra context to enrich the input, which is noise sensitive and non-expandable. In this paper, following…

计算与语言 · 计算机科学 2023-04-12 Xinnian Liang , Shuangzhi Wu , Hui Huang , Jiaqi Bai , Chao Bian , Zhoujun Li

Background: Data preparation, such as missing values imputation and transformation, is the first step in any data analysis and requires crucial attention. Particularly, analysis of metabolites demands more preparation since those small…

定量方法 · 定量生物学 2019-05-14 Akram Yazdani , Azam Yazdan

Deep Learning has driven recent and exciting progress in computer vision, instilling the belief that these algorithms could solve any visual task. Yet, datasets commonly used to train and test computer vision algorithms have pervasive…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Vincent Jacquot , Zhuofan Ying , Gabriel Kreiman

Sensitivity analysis is popular in dealing with missing data problems particularly for non-ignorable missingness. It analyses how sensitively the conclusions may depend on assumptions about missing data e.g. missing data mechanism (MDM). We…

统计方法学 · 统计学 2015-01-26 Peng Yin , Jian Qing Shi

Automatic recognition of human activities from time-series sensor data (referred to as HAR) is a growing area of research in ubiquitous computing. Most recent research in the field adopts supervised deep learning paradigms to automate…

机器学习 · 计算机科学 2018-11-21 Alireza Abedin Varamin , Ehsan Abbasnejad , Qinfeng Shi , Damith Ranasinghe , Hamid Rezatofighi

A person's movement or relative positioning can be effectively captured by different types of sensors and corresponding sensor output can be utilized in various manipulative techniques for the classification of different human activities.…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Utsab Saha , Sawradip Saha , Tahmid Kabir , Shaikh Anowarul Fattah , Mohammad Saquib

Imitation learning considerably simplifies policy synthesis compared to alternative approaches by exploiting access to expert demonstrations. For such imitation policies, errors away from the training samples are particularly critical. Even…

机器学习 · 计算机科学 2024-03-19 Kaustubh Sridhar , Souradeep Dutta , Dinesh Jayaraman , James Weimer , Insup Lee

The popularity and diffusion of wearable devices provides new opportunities for sensor-based human activity recognition that leverages deep learning-based algorithms. Although impressive advances have been made, two major challenges remain.…

信号处理 · 电气工程与系统科学 2024-02-16 Mengna Liu , Dong Xiang , Xu Cheng , Xiufeng Liu , Dalin Zhang , Shengyong Chen , Christian S. Jensen

Automatic human action recognition is indispensable for almost artificial intelligent systems such as video surveillance, human-computer interfaces, video retrieval, etc. Despite a lot of progress, recognizing actions in an unknown video is…

计算机视觉与模式识别 · 计算机科学 2018-03-22 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Detecting and recognizing objects interacting with humans lie in the center of first-person (egocentric) daily activity recognition. However, due to noisy camera motion and frequent changes in viewpoint and scale, most of the previous…

计算机视觉与模式识别 · 计算机科学 2016-06-01 Changzhi Luo , Bingbing Ni , Jun Yuan , Jianfeng Wang , Shuicheng Yan , Meng Wang

The performance of video action recognition has been significantly boosted by using motion representations within a two-stream Convolutional Neural Network (CNN) architecture. However, there are a few challenging problems in action…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yalong Jiang

In this work, we explore the application of recent data imputation techniques to enhance monitoring and management of water distribution networks using smart water meters, based on data derived from a real-world IoT water grid monitoring…

Accurate and computationally efficient means for classifying human activities have been the subject of extensive research efforts. Most current research focuses on extracting complex features to achieve high classification accuracy. We…

人工智能 · 计算机科学 2015-12-22 Skyler Seto , Wenyu Zhang , Yichen Zhou

The gesture recognition using motion capture data and depth sensors has recently drawn more attention in vision recognition. Currently most systems only classify dataset with a couple of dozens different actions. Moreover, feature…

计算机视觉与模式识别 · 计算机科学 2014-09-02 Kyunghyun Cho , Xi Chen

Extrapolation -- the ability to make inferences that go beyond the scope of one's experiences -- is a hallmark of human intelligence. By contrast, the generalization exhibited by contemporary neural network algorithms is largely limited to…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Taylor W. Webb , Zachary Dulberg , Steven M. Frankland , Alexander A. Petrov , Randall C. O'Reilly , Jonathan D. Cohen