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Preterm babies in the Neonatal Intensive Care Unit (NICU) have to undergo continuous monitoring of their cardiac health. Conventional monitoring approaches are contact-based, making the neonates prone to various nosocomial infections.…

Automatic detection of emotion has the potential to revolutionize mental health and wellbeing. Recent work has been successful in predicting affect from unimodal electrocardiogram (ECG) data. However, to be immediately relevant for…

Human-Computer Interaction · Computer Science 2019-07-18 Ross Harper , Joshua Southern

Convolutional layers are an integral part of many deep neural network solutions in computer vision. Recent work shows that replacing the standard convolution operation with mechanisms based on self-attention leads to improved performance on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Souvik Kundu , Hesham Mostafa , Sharath Nittur Sridhar , Sairam Sundaresan

This paper concerns the fully automatic direct in vivo measurement of active and passive dynamic skeletal muscle states using ultrasound imaging. Despite the long standing medical need (myopathies, neuropathies, pain, injury, ageing),…

Computer Vision and Pattern Recognition · Computer Science 2017-06-30 Ryan J. Cunningham , Peter J. Harding , Ian D. Loram

Pose-based action recognition has drawn considerable attention recently. Existing methods exploit the joint positions to extract the body-part features from the activation map of the convolutional networks to assist human action…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Remote photoplethysmography (rPPG) enables contactless physiological monitoring by capturing subtle skin-color variations from facial videos. However, most existing methods predominantly rely on time-domain modeling, making them vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Wei Qian , Dan Guo , Jinxing Zhou , Bochao Zou , Zitong Yu , Meng Wang

Thanks to its capability of acquiring full-view frames at multiple kilohertz, ultrafast ultrasound imaging unlocked the analysis of rapidly changing physical phenomena in the human body, with pioneering applications such as ultrasensitive…

Image and Video Processing · Electrical Eng. & Systems 2020-12-22 Dimitris Perdios , Manuel Vonlanthen , Florian Martinez , Marcel Arditi , Jean-Philippe Thiran

Pedestrian analysis plays a vital role in intelligent video surveillance and is a key component for security-centric computer vision systems. Despite that the convolutional neural networks are remarkable in learning discriminative features…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Xihui Liu , Haiyu Zhao , Maoqing Tian , Lu Sheng , Jing Shao , Shuai Yi , Junjie Yan , Xiaogang Wang

Recent advancements in video generation have been greatly driven by video diffusion models, with camera motion control emerging as a crucial challenge in creating view-customized visual content. This paper introduces trajectory attention, a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Zeqi Xiao , Wenqi Ouyang , Yifan Zhou , Shuai Yang , Lei Yang , Jianlou Si , Xingang Pan

Camera-based physiological measurement is a fast growing field of computer vision. Remote photoplethysmography (rPPG) utilizes imaging devices (e.g., cameras) to measure the peripheral blood volume pulse (BVP) via photoplethysmography, and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Xin Liu , Girish Narayanswamy , Akshay Paruchuri , Xiaoyu Zhang , Jiankai Tang , Yuzhe Zhang , Soumyadip Sengupta , Shwetak Patel , Yuntao Wang , Daniel McDuff

The attention mechanism provides a sequential prediction framework for learning spatial models with enhanced implicit temporal consistency. In this work, we show a systematic design (from 2D to 3D) for how conventional networks and other…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Ruixu Liu , Ju Shen , He Wang , Chen Chen , Sen-ching Cheung , Vijayan K. Asari

This work proposes a new end-to-end DCNN based approach for motion segmentation, especially for video sequences captured with such non-static cameras, called MOSNET. While other approaches focus on spatial or temporal context only, the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Markus Bosch

Blood oxygen saturation (SpO$_2$) is an essential indicator of respiratory functionality and is receiving increasing attention during the COVID-19 pandemic. Clinical findings show that it is possible for COVID-19 patients to have…

Machine Learning · Computer Science 2025-02-04 Joshua Mathew , Xin Tian , Min Wu , Chau-Wai Wong

Objective The coordination of human movement directly reflects function of the central nervous system. Small deficits in movement are often the first sign of an underlying neurological problem. The objective of this research is to develop a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Renjie Li , Chun Yu Lao , Rebecca St. George , Katherine Lawler , Saurabh Garg , Son N. Tran , Quan Bai , Jane Alty

Problem of indirect assessment of heart rate in video is addressed. Several methods of indirect evaluations (adaptive baselines) were examined on Remote Physiological Signal Sensing challenge. Particularly, regression models of dependency…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Mikhail Kopeliovich , Konstantin Kalinin , Yuriy Mironenko , Mikhail Petrushan

Continuous monitoring of cardiac activity is paramount to understanding the functioning of the heart in addition to identifying precursors to conditions such as Atrial Fibrillation. Through continuous cardiac monitoring, early indications…

Machine Learning · Computer Science 2020-10-13 Prithvi Suresh , Naveen Narayanan , Chakilam Vijay Pranav , Vineeth Vijayaraghavan

Dynamic imaging is a recently proposed action description paradigm for simultaneously capturing motion and temporal evolution information, particularly in the context of deep convolutional neural networks (CNNs). Compared with optical flow…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Yang Xiao , Jun Chen , Yancheng Wang , Zhiguo Cao , Joey Tianyi Zhou , Xiang Bai

Affective computing is a field of great interest in many computer vision applications, including video surveillance, behaviour analysis, and human-robot interaction. Most of the existing literature has addressed this field by analysing…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Danilo Avola , Luigi Cinque , Alessio Fagioli , Gian Luca Foresti , Cristiano Massaroni

In this paper, we present a novel deep learning based approach for addressing the problem of interaction recognition from a first person perspective. The proposed approach uses a pair of convolutional neural networks, whose parameters are…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Swathikiran Sudhakaran , Oswald Lanz

Changes in cardiovascular hemodynamics are closely related to the development of aortic regurgitation, a type of valvular heart disease. Metrics derived from blood flows are used to indicate aortic regurgitation onset and evaluate its…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Derek Long , Cameron McMurdo , Edward Ferdian , Charlene A. Mauger , David Marlevi , Alistair A. Young , Martyn P. Nash