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Skin conditions are a global health concern, ranking the fourth highest cause of nonfatal disease burden when measured as years lost due to disability. As diagnosing, or classifying, skin diseases can help determine effective treatment,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Jeremy Kawahara , Ghassan Hamarneh

This paper presents a novel face and periocular biometric fusion at feature level using canonical correlation analysis. Face recognition itself has limitations such as illumination, pose, expression, occlusion etc. Also, periocular…

Computer Vision and Pattern Recognition · Computer Science 2016-04-07 N. S. Lakshmiprabha

Parkinson's disease (PD) is projected to increase substantially due to population aging, making early diagnosis increasingly important, as timely detection may delay progression and reduce long-term complications. Retinal microvasculature…

Systemic diseases such as diabetes, hypertension, atherosclerosis are among the leading causes of annual human mortality rate. It is suggested that retinal and conjunctival vascular tortuosity is a potential biomarker for such systemic…

Image and Video Processing · Electrical Eng. & Systems 2021-01-05 Ashwin De Silva , Malsha V. Perera , Navodini Wijethilake , Saroj Jayasinghe , Nuwan D. Nanayakkara , Anjula De Silva

Most research aimed at measuring biomarkers on the skin is only concerned with sensing chemicals in sweat using electrical signals, but these methods are not truly non-invasive nor non-intrusive because they require substantial amounts of…

Medical Physics · Physics 2022-10-12 Anthony Annerino , Michael Faltas , Manoj Srinivasan , Pelagia-Irene Gouma

Accurate estimation of shape thickness from medical images is crucial in clinical applications. For example, the thickness of myocardium is one of the key to cardiac disease diagnosis. While mathematical models are available to obtain…

Image and Video Processing · Electrical Eng. & Systems 2020-08-26 Qiaoying Huang , Eric Z. Chen , Hanchao Yu , Yimo Guo , Terrence Chen , Dimitris Metaxas , Shanhui Sun

Diffusion MRI measures of the human brain provide key insight into microstructural variations across individuals and into the impact of central nervous system diseases and disorders. One approach to extract information from diffusion…

Medical Physics · Physics 2022-01-19 Qianqian Yang , David C. Reutens , Viktor Vegh

Visual content has become the primary source of information, as evident in the billions of images and videos, shared and uploaded on the Internet every single day. This has led to an increase in alterations in images and videos to make them…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Prabhat Kumar , Mayank Vatsa , Richa Singh

In coronary CT angiography, a series of CT images are taken at different levels of radiation dose during the examination. Although this reduces the total radiation dose, the image quality during the low-dose phases is significantly…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Eunhee Kang , Hyun Jung Koo , Dong Hyun Yang , Joon Bum Seo , Jong Chul Ye

Background: Recent studies have used basic epicardial adipose tissue (EAT) assessments (e.g., volume and mean HU) to predict risk of atherosclerosis-related, major adverse cardiovascular events (MACE). Objectives: Create novel, hand-crafted…

Quantitative Methods · Quantitative Biology 2024-01-31 Tao Hu , Joshua Freeze , Prerna Singh , Justin Kim , Yingnan Song , Hao Wu , Juhwan Lee , Sadeer Al-Kindi , Sanjay Rajagopalan , David L. Wilson , Ammar Hoori

Face aging simulation has received rising investigations nowadays, whereas it still remains a challenge to generate convincing and natural age-progressed face images. In this paper, we present a novel approach to such an issue by using…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Hongyu Yang , Di Huang , Yunhong Wang , Heng Wang , Yuanyan Tang

Detection and monitoring of patients with pulmonary hypertension, defined as mean blood pressure in the main pulmonary artery above 25 mmHg, requires a combination of imaging and hemodynamic measurements. This study demonstrates how to…

Quantitative Methods · Quantitative Biology 2020-02-21 Megan J. Chambers , Mitchel J. Colebank , M Umar Qureshi , Rachel Clipp , Mette S. Olufsen

Early detection of cardiovascular disease risk factors is essential to alter the course of the disease. Previous studies showed that deep learning can successfully be used to detect such risk factors from retinal images. This study uses…

Image and Video Processing · Electrical Eng. & Systems 2024-10-16 Andrea Prenner

A significant number of people are suffering from cognitive impairment all over the world. Early detection of cognitive impairment is of great importance to both patients and caregivers. However, existing approaches have their shortages,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Zixiang Fei , Erfu Yang , Leijian Yu , Xia Li , Huiyu Zhou , Wenju Zhou

Mathematical modelling of the microcirculatory hemodynamics in the retina is an essential tool for understanding various diseases of the retina, yet remains challenging due to the multiscale nature of the retinal vasculature and its…

Biological Physics · Physics 2026-04-28 Chang Lin , Zilong Song , Robert Eisenberg , Shixin Xu , Huaxiong Huang

Research on human face processing using eye movements has provided evidence that we recognize face images successfully focusing our visual attention on a few inner facial regions, mainly on the eyes, nose and mouth. To understand how we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Carlos E. Thomaz , Vagner Amaral , Gilson A. Giraldi , Duncan F. Gillies , Daniel Rueckert

Remote photoplethysmography (rPPG), a family of techniques for monitoring blood volume changes, may be especially useful for widespread contactless health monitoring using face video from consumer-grade visible-light cameras. The COVID-19…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Jeremy Speth , Nathan Vance , Patrick Flynn , Kevin Bowyer , Adam Czajka

Aging is a multidimensional process where phenotypes change at varying rates. Longitudinal studies of aging typically involve following a cohort of individuals over the course of several years. This design is hindered by cost, attrition,…

Psychophysical studies suggest that face recognition takes place in a narrow band of low spatial frequencies (``critical band''). Here, we examined the recognition performance of an artificial face recognition system as a function of the…

Neurons and Cognition · Quantitative Biology 2007-05-23 Matthias S. Keil , Agata Lapedriza , David Masip , Jordi Vitria

Continuous cardiovascular monitoring is essential for managing circulatory health and disease, yet most wearable sensors are constrained by reliance on electrical transduction and built-in electronics. We present a circuit-free, wholly…