English
Related papers

Related papers: Choroidal thinning assessment through facial video…

200 papers

In this paper an efficient approach for human face recognition based on the use of minutiae points in thermal face image is proposed. The thermogram of human face is captured by thermal infra-red camera. Image processing methods are used to…

Computer Vision and Pattern Recognition · Computer Science 2013-09-05 Ayan Seal , Suranjan Ganguly , Debotosh Bhattacharjee , Mita Nasipuri , Dipak Kr. Basu

Image processing and pattern recognition offer a useful and versatile method for optically characterizing drops of a colloidal solution during the drying process and in its final state. This paper exploits image processing techniques…

Soft Condensed Matter · Physics 2020-02-11 Anusuya Pal , Amalesh Gope , Germano S. Iannacchione

Pain monitoring is essential to the quality of care for patients undergoing a medical procedure with sedation. An automated mechanism for detecting pain could improve sedation dose titration. Previous studies on facial pain detection have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Y. Zarghami , S. Mafeld , A. Conway , B. Taati

Estimating heart rate is important for monitoring users in various situations. Estimates based on facial videos are increasingly being researched because it makes it possible to monitor cardiac information in a non-invasive way and because…

We aim to enhance ophthalmologists' decision-making when diagnosing the Neovascular Age-Related Macular Degeneration (nAMD). We developed three tools to analyze Optical Coherence Tomography Angiography images: (1) extracting biomarkers such…

Image and Video Processing · Electrical Eng. & Systems 2026-01-28 MAria Simona Tivadar , Ioana Damian , Adrian Groza , Simona Delia Nicoara

Purpose: To develop Choroidalyzer, an open-source, end-to-end pipeline for segmenting the choroid region, vessels, and fovea, and deriving choroidal thickness, area, and vascular index. Methods: We used 5,600 OCT B-scans (233 subjects, 6…

Background: Three-dimensional dual-energy X-ray absorptiometry reconstructs three-dimensional maps of the proximal femur's density distribution from standard hip scans, enabling the estimation of trabecular and cortical bone parameters. The…

Quantitative Methods · Quantitative Biology 2026-04-21 Marta I. Bracco , Jorge Malouf , Laurent Maimoun , Xavier Nogues , Jean Paul Roux , François DuBoeuf , Ludovic Humbert

This paper presents a comprehensive survey of facial feature point detection with the assistance of abundant manually labeled images. Facial feature point detection favors many applications such as face recognition, animation, tracking,…

Computer Vision and Pattern Recognition · Computer Science 2014-10-07 Nannan Wang , Xinbo Gao , Dacheng Tao , Xuelong Li

Existing facial analysis systems have been shown to yield biased results against certain demographic subgroups. Due to its impact on society, it has become imperative to ensure that these systems do not discriminate based on gender,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Richa Singh , Puspita Majumdar , Surbhi Mittal , Mayank Vatsa

Vascular calcification is implicated as an important factor in major adverse cardiovascular events (MACE), including heart attack and stroke. A controversy remains over how to integrate the diverse forms of vascular calcification into…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Mehdi Ramezanpour , Anne M. Robertson , Yasutaka Tobe , Xiaowei Jia , Juan R. Cebral

Cardiac amyloidosis, a rare and highly morbid condition, presents significant challenges for detection through echocardiography. Recently, there has been a surge in proposing machine-learning algorithms to identify cardiac amyloidosis, with…

Image and Video Processing · Electrical Eng. & Systems 2024-06-10 Zishun Feng , Joseph A. Sivak , Ashok K. Krishnamurthy

In this paper we describe the anatomy of a real-time facial analysis system. The system recognizes the age, gender and facial expression from users in appearing in front of the camera. All components are based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Janne Tommola , Pedram Ghazi , Bishwo Adhikari , Heikki Huttunen

Automated face recognition is a widely adopted machine learning technology for contactless identification of people in various processes such as automated border control, secure login to electronic devices, community surveillance, tracking…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Megh Pudyel , Mustafa Atay

Machine learning is gaining significant attention as a diagnostic tool in medical imaging, particularly in the analysis of retinal fundus images. However, this approach is not yet clinically applicable, as it still depends on human…

Human-Computer Interaction · Computer Science 2025-10-03 Mattea Reid , Zuhairah Zainal , Khaing Zin Than , Danielle Chan , Jonathan Chan

Features of pericoronary adipose tissue (PCAT) assessed from coronary computed tomography angiography (CCTA) are associated with inflammation and cardiovascular risk. As PCAT is vascularly connected with coronary vasculature, the presence…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Hao Wu , Yingnan Song , Ammar Hoori , Ananya Subramaniam , Juhwan Lee , Justin Kim , Tao Hu , Sadeer Al-Kindi , Wei-Ming Huang , Chun-Ho Yun , Chung-Lieh Hung , Sanjay Rajagopalan , David L. Wilson

Shadow artifacts from retinal vessels hinder the development of quantitative choroidal biomarkers in Optical Coherence Tomography (OCT), which limits the clinical applications of the choroidal OCT to the measures of layer thickness. In this…

Medical Physics · Physics 2019-10-04 Huihong Zhang , Jianlong Yang , Kang Zhou , Fei Li , Yan Hu , Shenghua Gao , Xiulan Zhang , Jiang Liu

Chronic Obstructive Pulmonary Disease (COPD) is a leading cause of morbidity and mortality. While COPD diagnosis is based on lung function tests, early stages and progression of different aspects of the disease can be visible and…

Image and Video Processing · Electrical Eng. & Systems 2019-09-30 Max Argus , Cornelia Schaefer-Prokop , David A. Lynch , Bram van Ginneken

Traditionally, medical discoveries are made by observing associations and then designing experiments to test these hypotheses. However, observing and quantifying associations in images can be difficult because of the wide variety of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Ryan Poplin , Avinash V. Varadarajan , Katy Blumer , Yun Liu , Michael V. McConnell , Greg S. Corrado , Lily Peng , Dale R. Webster

Background: Changes in choroidal thickness are associated with various ocular diseases and the choroid can be imaged using spectral-domain optical coherence tomography (SDOCT) and enhanced depth imaging OCT (EDIOCT). New Method: Eighty…

Motivation: Behavioral observations are an important resource in the study and evaluation of psychological phenomena, but it is costly, time-consuming, and susceptible to bias. Thus, we aim to automate coding of human behavior for use in…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Nicole N. Lønfeldt , Flavia D. Frumosu , A. -R. Cecilie Mora-Jensen , Nicklas Leander Lund , Sneha Das , A. Katrine Pagsberg , Line K. H. Clemmensen