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Convolutional neural networks (CNNs) can potentially provide powerful tools for classifying and identifying patterns in climate and environmental data. However, because of the inherent complexities of such data, which are often…

大气与海洋物理 · 物理学 2020-03-03 Ashesh Chattopadhyay , Pedram Hassanzadeh , Saba Pasha

Human Activity Recognition has witnessed a significant progress in the last decade. Although a great deal of work in this field goes in recognizing normal human activities, few studies focused on identifying motion in sports. Recognizing…

计算机视觉与模式识别 · 计算机科学 2017-06-28 Aliaa Rassem , Mohammed El-Beltagy , Mohamed Saleh

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…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Peter Washington , Aaron Kline , Onur Cezmi Mutlu , Emilie Leblanc , Cathy Hou , Nate Stockham , Kelley Paskov , Brianna Chrisman , Dennis P. Wall

The need for automatic surgical skills assessment is increasing, especially because manual feedback from senior surgeons observing junior surgeons is prone to subjectivity and time consuming. Thus, automating surgical skills evaluation is a…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Hassan Ismail Fawaz , Germain Forestier , Jonathan Weber , Lhassane Idoumghar , Pierre-Alain Muller

This work presents, the classification of user activities such as Rest, Walk and Run, on the basis of frequency component present in the acceleration data in a wireless sensor network environment. As the frequencies of the above mentioned…

神经与进化计算 · 计算机科学 2011-07-25 Annapurna Sharma , Amit Purwar , Young-Dong Lee Young-Sook Lee Wan-Young Chung

Fine-grained action detection is an important task with numerous applications in robotics and human-computer interaction. Existing methods typically utilize a two-stage approach including extraction of local spatio-temporal features…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Khoi-Nguyen C. Mac , Dhiraj Joshi , Raymond A. Yeh , Jinjun Xiong , Rogerio S. Feris , Minh N. Do

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

Our hands reveal important information such as the pulsing of our veins which help us determine the blood pressure, tremors indicative of motor control, or neurodegenerative disorders such as Essential Tremor or Parkinson's disease. The…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Ranjani Ramesh

In this paper we consider the problem of human pose estimation in real-world videos of swimmers. Swimming channels allow filming swimmers simultaneously above and below the water surface with a single stationary camera. These recordings can…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Moritz Einfalt , Dan Zecha , Rainer Lienhart

Although convolutional neural networks (CNNs) are now widely used in various computer vision applications, its huge resource demanding on parameter storage and computation makes the deployment on mobile and embedded devices difficult.…

计算机视觉与模式识别 · 计算机科学 2019-09-26 Zhe Xu , Ray C. C. Cheung

In this paper, we propose an effective electrocardiogram (ECG) arrhythmia classification method using a deep two-dimensional convolutional neural network (CNN) which recently shows outstanding performance in the field of pattern…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Tae Joon Jun , Hoang Minh Nguyen , Daeyoun Kang , Dohyeun Kim , Daeyoung Kim , Young-Hak Kim

Identifying the distribution of users' transportation modes is an essential part of travel demand analysis and transportation planning. With the advent of ubiquitous GPS-enabled devices (e.g., a smartphone), a cost-effective approach for…

机器学习 · 计算机科学 2018-04-10 Sina Dabiri , Kevin Heaslip

In this work, we present a framework based on multi-stream convolutional neural networks (CNNs) for group activity recognition. Streams of CNNs are separately trained on different modalities and their predictions are fused at the end. Each…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Sina Mokhtarzadeh Azar , Mina Ghadimi Atigh , Ahmad Nickabadi

In this paper, we propose a Computer Assisted Diagnosis (CAD) system based on a deep Convolutional Neural Network (CNN) model, to build an end-to-end learning process that classifies breast mass lesions. We investigate the impact that has…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Hiba Chougrad , Hamid Zouaki , Omar Alheyane

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

Magnetic Resonance Imaging allows high resolution data acquisition with the downside of motion sensitivity due to relatively long acquisition times. Even during the acquisition of a single 2D slice, motion can severely corrupt the image.…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Mathias S. Feinler , Bernadette N. Hahn

Convolutional neural networks (CNNs) are increasingly being used to automate segmentation of organs-at-risk in radiotherapy. Since large sets of highly curated data are scarce, we investigated how much data is required to train accurate and…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Edward G. A. Henderson , Marcel van Herk , Eliana M. Vasquez Osorio

Deep convolutional neural networks (CNNs) have shown excellent performance in object recognition tasks and dense classification problems such as semantic segmentation. However, training deep neural networks on large and sparse datasets is…

计算机视觉与模式识别 · 计算机科学 2017-12-25 Lorenz Berger , Eoin Hyde , M. Jorge Cardoso , Sebastien Ourselin

We investigate video classification via a two-stream convolutional neural network (CNN) design that directly ingests information extracted from compressed video bitstreams. Our approach begins with the observation that all modern video…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Aaron Chadha , Alhabib Abbas , Yiannis Andreopoulos

For image classification problems, various neural network models are commonly used due to their success in yielding high accuracies. Convolutional Neural Network (CNN) is one of the most frequently used deep learning methods for image…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Ilkay Sikdokur , Inci Baytas , Arda Yurdakul