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The study of associations between an individual's age and imaging and non-imaging data is an active research area that attempts to aid understanding of the effects and patterns of aging. In this work we have conducted a supervoxel-wise…

Image and Video Processing · Electrical Eng. & Systems 2026-04-20 Johan Öfverstedt , Elin Lundström , Göran Bergström , Joel Kullberg , Håkan Ahlström

Reliable stress recognition is critical in applications such as medical monitoring and safety-critical systems, including real-world driving. While stress is commonly detected using physiological signals such as perinasal perspiration and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Paraskevi Valergaki , Vassilis C. Nicodemou , Iason Oikonomidis , Antonis Argyros , Anastasios Roussos

Purpose. This study was conducted to determine the thickness map of eleven retinal layers in normal subjects by spectral domain optical coherence tomography (SD-OCT) and evaluate their association with sex and age. Methods. Mean regional…

Computer Vision and Pattern Recognition · Computer Science 2013-12-12 Raheleh Kafieh , Hossein Rabbani , Fedra Hajizadeh , Michael D. Abramoff , Milan Sonka

As global life expectancy increases, so does the burden of chronic diseases, yet individuals exhibit considerable variability in the rate at which they age. Identifying biomarkers that distinguish fast from slow ageing is crucial for…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Kaustubh Chakradeo , Pernille Nielsen , Lise Mette Rahbek Gjerdrum , Gry Sahl Hansen , David A Duchêne , Laust H Mortensen , Majken K Jensen , Samir Bhatt

To study whether it is possible to differentiate intermediate age-related macular degeneration (AMD) from healthy controls using partial optical coherence tomography (OCT) data, that is, restricting the input B-scans to certain pre-defined…

Image and Video Processing · Electrical Eng. & Systems 2023-07-17 Danilo A. Jesus , Eric F. Thee , Tim Doekemeijer , Daniel Luttikhuizen , Caroline Klaver , Stefan Klein , Theo van Walsum , Hans Vingerling , Luisa Sanchez

Infrared thermography has gained interest as a tool for non-contact measurement of blood circulation and skin blood flow due to cardiac activity. Partiularly, blood vessels on the surface, such as on the back of the hand, are suited for…

Medical Physics · Physics 2026-02-17 Nanami Kotani , Kuniharu Sakurada , Jiayi Xu , Masahiko Inami , Yasuaki Monnai

We present a photoacoustic computed tomography investigation on a healthy human finger, to image blood vessels with a focus on vascularity across the interphalangeal joints. The cross-sectional images were acquired using an imager…

Purpose: To evaluate the efficacy of a recently proposed method for characterizing tear film dynamics using non-invasive high speed videokeratoscopy in assessing the loss of homeostasis of tear film. Methods: Thirty subjects, from a…

Medical Physics · Physics 2019-02-14 Clara Llorens-Quintana , Dorota H. Szczesna-Iskander , D. Robert Iskander

Skin disease is one of the most common types of human diseases, which may happen to everyone regardless of age, gender or race. Due to the high visual diversity, human diagnosis highly relies on personal experience; and there is a serious…

Image and Video Processing · Electrical Eng. & Systems 2019-11-21 Xin He , Shihao Wang , Shaohuai Shi , Zhenheng Tang , Yuxin Wang , Zhihao Zhao , Jing Dai , Ronghao Ni , Xiaofeng Zhang , Xiaoming Liu , Zhili Wu , Wu Yu , Xiaowen Chu

Heart rate (HR) is an essential clinical measure for the assessment of cardiorespiratory instability. Since communities of color are disproportionately affected by both COVID-19 and cardiovascular disease, there is a pressing need to deploy…

Image and Video Processing · Electrical Eng. & Systems 2020-12-10 Pradyumna Chari , Krish Kabra , Doruk Karinca , Soumyarup Lahiri , Diplav Srivastava , Kimaya Kulkarni , Tianyuan Chen , Maxime Cannesson , Laleh Jalilian , Achuta Kadambi

Purpose: To assess the early-phase of tear clearance rate (TCR) with anterior segment optical coherence tomography (OCT) and to determine the association between TCR and other clinical measures of the tear film in a group of young subjects…

Advances in optical coherence tomography (OCT) have enabled noninvasive imaging of substructures of the human retina with high spatial resolution. OCT examinations are now a standard procedure in clinics and an integral part of ophthalmic…

Human-Computer Interaction · Computer Science 2022-12-22 Martin Röhlig , Oliver Stachs , Heidrun Schumann

Face anti-spoofing (FAS) plays a vital role in securing the face recognition systems from presentation attacks. Most existing FAS methods capture various cues (e.g., texture, depth and reflection) to distinguish the live faces from the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao

Purpose: To investigate the changes in retinal vascular structures associated various stages of myopia by designing automated software based on an artif intelligencemodel. Methods: The study involved 1324 pediatric participants from the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yinzheng Zhao , Zhihao Zhao , Junjie Yang , Li Li , M. Ali Nasseri , Daniel Zapp

Corneal thickness (pachymetry) maps can be used to monitor restoration of corneal endothelial function, for example after Descemet's membrane endothelial keratoplasty (DMEK). Automated delineation of the corneal interfaces in anterior…

Today, more than 12 million people over the age of 40 suffer from ocular diseases. Most commonly, older patients are susceptible to age related macular degeneration, an eye disease that causes blurring of the central vision due to the…

Image and Video Processing · Electrical Eng. & Systems 2022-05-03 Ananya Dua , Pham Hung Minh , Sajid Fahmid , Shikhar Gupta , Sophia Zheng , Vanessa Moyo , Yanran Elisa Xue

Coronary anatomy governs local haemodynamics associated with atherosclerotic development, progression and ultimately adverse clinical outcomes. However, lack of large sample size studies and methods to link adverse haemodynamics to…

Medical Physics · Physics 2024-01-24 R. Gharleghi , M. Zhang , C. Shen , M. Webster , C. Ellis , S. Beier

The aging society urgently requires scalable methods to monitor cognitive decline and identify social and psychological factors indicative of dementia risk in older adults. Our machine learning (ML) models captured facial, acoustic,…

Computational facial models that capture properties of facial cues related to aging and kinship increasingly attract the attention of the research community, enabling the development of reliable methods for age progression, age estimation,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Markos Georgopoulos , Yannis Panagakis , Maja Pantic

Deviation of blood flow from an optimal range is known to be associated with the initiation and progression of vascular pathologies. Important open questions remain about how the abnormal flow drives specific wall changes in pathologies…