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Dense human pose estimation is the problem of learning dense correspondences between RGB images and the surfaces of human bodies, which finds various applications, such as human body reconstruction, human pose transfer, and human action…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Liqian Ma , Lingjie Liu , Christian Theobalt , Luc Van Gool

In this paper we introduce a novel method to estimate the head pose of people in single images starting from a small set of head keypoints. To this purpose, we propose a regression model that exploits keypoints computed automatically by 2D…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Giorgio Cantarini , Federico Figari Tomenotti , Nicoletta Noceti , Francesca Odone

Uncertainty quantification is vital for safety-critical Deep Learning applications like medical image segmentation. We introduce BA U-Net, an uncertainty-aware model for MRI segmentation that integrates Bayesian Neural Networks with…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Lohith Konathala

Statistical shape modeling (SSM) has recently taken advantage of advances in deep learning to alleviate the need for a time-consuming and expert-driven workflow of anatomy segmentation, shape registration, and the optimization of…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Jadie Adams , Riddhish Bhalodia , Shireen Elhabian

Remote photoplethysmography (rPPG), which aims at measuring heart activities and physiological signals from facial video without any contact, has great potential in many applications (e.g., remote healthcare and affective computing). Recent…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Zitong Yu , Yuming Shen , Jingang Shi , Hengshuang Zhao , Philip Torr , Guoying Zhao

We develop and evaluate two novel purpose-built deep learning (DL) models for synthesis of the arterial blood pressure (ABP) waveform in a cuff-less manner, using a single-site photoplethysmography (PPG) signal. We train and evaluate our DL…

信号处理 · 电气工程与系统科学 2024-06-11 Muhammad Wasim Nawaz , Muhammad Ahmad Tahir , Ahsan Mehmood , Muhammad Mahboob Ur Rahman , Kashif Riaz , Qammer H. Abbasi

Video-based heart and respiratory rate measurements using facial videos are more useful and user-friendly than traditional contact-based sensors. However, most of the current deep learning approaches require ground-truth pulse and…

图像与视频处理 · 电气工程与系统科学 2024-01-12 Yusuke Akamatsu , Terumi Umematsu , Hitoshi Imaoka

Automatic classification of diabetic retinopathy from retinal images has been widely studied using deep neural networks with impressive results. However, there is a clinical need for estimation of the uncertainty in the classifications, a…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Joel Jaskari , Jaakko Sahlsten , Theodoros Damoulas , Jeremias Knoblauch , Simo Särkkä , Leo Kärkkäinen , Kustaa Hietala , Kimmo Kaski

Heartbeat rhythm and heart rate (HR) are important physiological parameters of the human body. This study presents an efficient multi-hierarchical spatio-temporal convolutional network that can quickly estimate remote physiological (rPPG)…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Bin Li , Panpan Zhang , Jinye Peng , Hong Fu

Remote photoplethysmography (rPPG) emerges as a promising method for non-invasive, convenient measurement of vital signs, utilizing the widespread presence of cameras. Despite advancements, existing datasets fall short in terms of size and…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Jiankai Tang , Xinyi Li , Jiacheng Liu , Xiyuxing Zhang , Zeyu Wang , Yuntao Wang

We propose a novel multi-stream architecture and training methodology that exploits semantic labels for facial image deblurring. The proposed Uncertainty Guided Multi- Stream Semantic Network (UMSN) processes regions belonging to each…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Rajeev Yasarla , Federico Perazzi , Vishal M. Patel

Continuous and noninvasive monitoring of blood pressure has numerous clinical and fitness applications. Current methods of continuous measurement of blood pressure are either invasive and/or require expensive equipment. Therefore, we…

信号处理 · 电气工程与系统科学 2018-11-16 Armin Soltan Zadi , Raichel Alex , Rong Zhang , Donald E. Watenpaugh , Khosrow Behbehani

Camera-based remote photoplethysmography (rPPG) enables contactless measurement of important physiological signals such as pulse rate (PR). However, dynamic and unconstrained subject motion introduces significant variability into the facial…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Sam Cantrill , David Ahmedt-Aristizabal , Lars Petersson , Hanna Suominen , Mohammad Ali Armin

We introduce CUPS, a novel method for learning sequence-to-sequence 3D human shapes and poses from RGB videos with uncertainty quantification. To improve on top of prior work, we develop a method to generate and score multiple hypotheses…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Harry Zhang , Luca Carlone

In a clinical setting, epilepsy patients are monitored via video electroencephalogram (EEG) tests. A video EEG records what the patient experiences on videotape while an EEG device records their brainwaves. Currently, there are no existing…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Siddharth Sharma , Florian Dubost , Christopher Lee-Messer , Daniel Rubin

Objective: to establish an algorithmic framework and a benchmark dataset for comparing methods of pulse rate estimation using imaging photoplethysmography (iPPG). Approach: first we reveal essential steps of pulse rate estimation from…

图像与视频处理 · 电气工程与系统科学 2018-05-01 Anton M. Unakafov

Bayesian neural networks (BNN) and deep ensembles are principled approaches to estimate the predictive uncertainty of a deep learning model. However their practicality in real-time, industrial-scale applications are limited due to their…

机器学习 · 计算机科学 2020-10-27 Jeremiah Zhe Liu , Zi Lin , Shreyas Padhy , Dustin Tran , Tania Bedrax-Weiss , Balaji Lakshminarayanan

Video-based remote photoplethysmography (rPPG) has emerged as a promising technology for non-contact vital sign monitoring, especially under controlled conditions. However, the accurate measurement of vital signs in real-world scenarios…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Nhi Nguyen , Le Nguyen , Honghan Li , Miguel Bordallo López , Constantino Álvarez Casado

Maintaining good cardiac function for as long as possible is a major concern for healthcare systems worldwide and there is much interest in learning more about the impact of different risk factors on cardiac health. The aim of this study is…

Remote photoplethysmography (rPPG) enables non-contact measurement of physiological signals from facial videos, offering strong potential for remote healthcare and daily health monitoring. Driven by this potential, various deep…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Jun Seong Lee , Samyeul Noh , Changki Sung , Hyun Myung