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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

Upcoming surveys are predicted to discover galaxy-scale strong lenses on the order of $10^5$, making deep learning methods necessary in lensing data analysis. Currently, there is insufficient real lensing data to train deep learning…

天体物理仪器与方法 · 物理学 2023-11-30 Paxson Swierc , Megan Zhao , Aleksandra Ćiprijanović , Brian Nord

Photoplethysmography (PPG)-based blood pressure (BP) estimation represents a promising alternative to cuff-based BP measurements. Recently, an increasing number of deep learning models have been proposed to infer BP from the raw PPG…

机器学习 · 计算机科学 2026-03-03 Mohammad Moulaeifard , Peter H. Charlton , Nils Strodthoff

In this paper, we present a novel approach called KPTransfer for improving modeling performance for keypoint detection deep neural networks via domain transfer between different keypoint subsets. This approach is motivated by the notion…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Kanav Vats , Helmut Neher , Alexander Wong , David A. Clausi , John Zelek

Generalising deep models to new data from new centres (termed here domains) remains a challenge. This is largely attributed to shifts in data statistics (domain shifts) between source and unseen domains. Recently, gradient-based…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Xiao Liu , Spyridon Thermos , Alison O'Neil , Sotirios A. Tsaftaris

Image alignment across domains has recently become one of the realistic and popular topics in the research community. In this problem, a deep learning-based image alignment method is usually trained on an available largescale database.…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Thanh-Dat Truong , Khoa Luu , Chi Nhan Duong , Ngan Le , Minh-Triet Tran

Accurate extraction of heart rate from photoplethysmography (PPG) signals remains challenging due to motion artifacts and signal degradation. Although deep learning methods trained as a data-driven inference problem offer promising…

信号处理 · 电气工程与系统科学 2024-10-21 Christodoulos Kechris , Jonathan Dan , Jose Miranda , David Atienza

This study evaluates remote Photopletismography (rPPG) algorithms, Spatial Subspace Rotation (2SR), Chrominance-based method (CHROM), Plane-Orthogonal-to-Skin (POS), and Principal Component Analysis (PCA), applied to selected…

图像与视频处理 · 电气工程与系统科学 2026-05-26 Đorđe D. Nešković , Nadica Miljković

Change detection, as an important and widely applied technique in the field of remote sensing, aims to analyze changes in surface areas over time and has broad applications in areas such as environmental monitoring, urban development, and…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Zihan Yu , Tianxiao Li , Yuxin Zhu , Rongze Pan

Domain randomization (DR) is a successful technique for learning robust policies for robot systems, when the dynamics of the target robot system are unknown. The success of policies trained with domain randomization however, is highly…

机器学习 · 计算机科学 2019-09-18 Melissa Mozifian , Juan Camilo Gamboa Higuera , David Meger , Gregory Dudek

Deep neural networks have largely failed to effectively utilize synthetic data when applied to real images due to the covariate shift problem. In this paper, we show that by applying a straightforward modification to an existing…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Aysegul Dundar , Ming-Yu Liu , Ting-Chun Wang , John Zedlewski , Jan Kautz

Object detectors have achieved remarkable performance in many applications; however, these deep learning models are typically designed under the i.i.d. assumption, meaning they are trained and evaluated on data sampled from the same…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Sara Al-Emadi , Yin Yang , Ferda Ofli

Remote photoplethysmography (rPPG) enables non-contact heart rate measurement from facial videos, but its performance is significantly degraded by facial motions such as speaking and head shaking. To address this issue, we propose two…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Gan Pei , Junhao Ning , Boqiu Shen , Yan Zhu , Menghan Hu

Applying an object detector, which is neither trained nor fine-tuned on data close to the final application, often leads to a substantial performance drop. In order to overcome this problem, it is necessary to consider a shift between…

计算机视觉与模式识别 · 计算机科学 2020-05-27 Alexey Abramov , Christopher Bayer , Claudio Heller

Remote Photoplethysmography (rPPG) is a fast-growing technique of vital sign estimation by analyzing video of a person. Several major phenomena affecting rPPG signals have been studied (e.g. video compression, distance from person to…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Yuriy Mironenko , Konstantin Kalinin , Mikhail Kopeliovich , Mikhail Petrushan

The performance of a machine learning model degrades when it is applied to data from a similar but different domain than the data it has initially been trained on. To mitigate this domain shift problem, domain adaptation (DA) techniques…

机器学习 · 计算机科学 2024-10-08 Felix Ott , David Rügamer , Lucas Heublein , Bernd Bischl , Christopher Mutschler

Deformable image registration is able to achieve fast and accurate alignment between a pair of images and thus plays an important role in many medical image studies. The current deep learning (DL)-based image registration approaches…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Xinke Ma , Yibo Yang , Yong Xia , Dacheng Tao

While deep neural networks demonstrate state-of-the-art performance on a variety of learning tasks, their performance relies on the assumption that train and test distributions are the same, which may not hold in real-world applications.…

机器学习 · 计算机科学 2021-02-18 Wenyu Zhang , Mohamed Ragab , Ramon Sagarna

Object pose estimation enables robots to understand and interact with their environments. Training with synthetic data is necessary in order to adapt to novel situations. Unfortunately, pose estimation under domain shift, i.e., training on…

计算机视觉与模式识别 · 计算机科学 2020-11-02 Stefan Thalhammer , Markus Leitner , Timothy Patten , Markus Vincze

In practice, it is very demanding and sometimes impossible to collect datasets of tagged data large enough to successfully train a machine learning model, and one possible solution to this problem is transfer learning. This study aims to…

机器学习 · 计算机科学 2022-01-13 Erik Otović , Marko Njirjak , Dario Jozinović , Goran Mauša , Alberto Michelini , Ivan Štajduhar