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Currently, spatiotemporal features are embraced by most deep learning approaches for human action detection in videos, however, they neglect the important features in frequency domain. In this work, we propose an end-to-end network that…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Changhai Li , Huawei Chen , Jingqing Lu , Yang Huang , Yingying Liu

In this paper, we propose a state-of-the-art video denoising algorithm based on a convolutional neural network architecture. Until recently, video denoising with neural networks had been a largely under explored domain, and existing methods…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Matias Tassano , Julie Delon , Thomas Veit

Recent advances in supervised deep learning techniques have demonstrated the possibility to remotely measure human physiological vital signs (e.g., photoplethysmograph, heart rate) just from facial videos. However, the performance of these…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Yuxuan Ou , Yuzhe Zhang , Yuntang Wang , Shwetak Patel , Daniel McDuf , Yuzhe Yang , Xin Liu

Background: Cardiac MRI derived biventricular mass and function parameters, such as end-systolic volume (ESV), end-diastolic volume (EDV), ejection fraction (EF), stroke volume (SV), and ventricular mass (VM) are clinically well…

计算机视觉与模式识别 · 计算机科学 2017-06-15 Hinrich B Winther , Christian Hundt , Bertil Schmidt , Christoph Czerner , Johann Bauersachs , Frank Wacker , Jens Vogel-Claussen

Camera-based physiological signal estimation provides a non-contact and convenient means to monitor Heart Rate (HR). However, the presence of vital signals in facial videos raises significant privacy concerns, as they can reveal sensitive…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Tianwen Zhou , Akshay Paruchuri , Josef Spjut , Kaan Akşit

Providing wireless users with high-quality video content has become increasingly important. However, ensuring consistent video quality poses challenges due to variable encoded bitrate caused by dynamic video content and fluctuating channel…

网络与互联网体系结构 · 计算机科学 2023-10-12 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

In the United States, heart disease is the leading cause of death for both men and women, accounting for 610,000 deaths each year [1]. Physicians use Magnetic Resonance Imaging (MRI) scans to take images of the heart in order to…

计算机视觉与模式识别 · 计算机科学 2018-11-22 Ehab Abdelmaguid , Jolene Huang , Sanjay Kenchareddy , Disha Singla , Laura Wilke , Mai H. Nguyen , Ilkay Altintas

Human action recognition in videos is a critical task with significant implications for numerous applications, including surveillance, sports analytics, and healthcare. The challenge lies in creating models that are both precise in their…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yufei Xie

Image-based computer simulation of cardiac function can be used to probe the mechanisms of (patho)physiology, and guide diagnosis and personalized treatment of cardiac diseases. This paradigm requires constructing simulation-ready meshes of…

图像与视频处理 · 电气工程与系统科学 2021-07-23 Fanwei Kong , Shawn C. Shadden

Remote photoplethysmography (rPPG) is a non-contact technique for measuring cardiac signals from facial videos. High-quality rPPG pulse signals are urgently demanded in many fields, such as health monitoring and emotion recognition.…

图像与视频处理 · 电气工程与系统科学 2020-06-05 Rencheng Song , Huan Chen , Juan Cheng , Chang Li , Yu Liu , Xun Chen

Healthcare is one of the most important aspects of human life. Heart disease is known to be one of the deadliest diseases which is hampering the lives of many people around the world. Heart disease must be detected early so the loss of…

机器学习 · 计算机科学 2024-09-04 Shadab Hussain , Santosh Kumar Nanda , Susmith Barigidad , Shadab Akhtar , Md Suaib , Niranjan K. Ray

The goal of the present study is to explore the application of deep convolutional network features to emotion recognition. Results indicate that they perform similarly to other published models at a best recognition rate of 94.4%, and do so…

计算机视觉与模式识别 · 计算机科学 2014-08-19 Sébastien Ouellet

Cardiac coronary angiography is a major technology to assist doctors during cardiac interventional surgeries. Under the exposure of X-ray radiation, doctors inject contrast agents through catheters to determine the position and status of…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Xiao-Lei Yin , Dong-Xue Liang , Lu Wang , Jing Qiu , Zhi-Yun Yang , Jun-Hui Xing , Jian-Zeng Dong , Zhao-Yuan Ma

Automated cardiac segmentation from magnetic resonance imaging datasets is an essential step in the timely diagnosis and management of cardiac pathologies. We propose to tackle the problem of automated left and right ventricle segmentation…

计算机视觉与模式识别 · 计算机科学 2017-04-28 Phi Vu Tran

Remote photoplethysmography (rPPG) based physiological measurement has great application values in affective computing, non-contact health monitoring, telehealth monitoring, etc, which has become increasingly important especially during the…

人机交互 · 计算机科学 2022-06-22 Yuhang Dong , Gongping Yang , Yilong Yin

Depression is a mental illness that may be harmful to an individual's health. The detection of mental health disorders in the early stages and a precise diagnosis are critical to avoid social, physiological, or psychological side effects.…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Constantino Álvarez Casado , Manuel Lage Cañellas , Miguel Bordallo López

The area of face recognition is one of the most widely researched areas in the domain of computer vision and biometric. This is because, the non-intrusive nature of face biometric makes it comparatively more suitable for application in area…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Nayaneesh Kumar Mishra , Satish Kumar Singh

Camera-based vital signs monitoring in recent years has attracted more and more researchers and the results are promising. However, a few research works focus on heart rate extraction under extremely low illumination environments. In this…

图像与视频处理 · 电气工程与系统科学 2025-03-07 Lin Xi , Xingming Wu , Weihai Chen , Jianhua Wang , Changchen Zhao

In this study, we make non-invasive, remote, passive measurements of the heart beat frequency and determine the map of blood pulsation intensity in a region of interest (ROI) of skin. The ROI used was the forearm of a volunteer. The method…

医学物理 · 物理学 2016-11-14 Pedro Henrique de M. Borges , George C. Cardoso

To facilitate diagnosis on cardiac ultrasound (US), clinical practice has established several standard views of the heart, which serve as reference points for diagnostic measurements and define viewports from which images are acquired.…

图像与视频处理 · 电气工程与系统科学 2024-03-04 Sarina Thomas , Cristiana Tiago , Børge Solli Andreassen , Svein Arne Aase , Jurica Šprem , Erik Steen , Anne Solberg , Guy Ben-Yosef