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Accurate reproduction of facial skin tone is essential for realism, identity preservation, and fairness in Virtual Human (VH) rendering. However, most accessible avatar creation pipelines rely on photographic inputs that lack colorimetric…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Gabriel Ferri Schneider , Erick Menezes , Rafael Mecenas , Paulo Knob , Victor Araujo , Soraia Raupp Musse

Quantifying muscle tissue properties is crucial for understanding pathophysiological changes occurring in skeletal muscle (SM). In particular, T2 relaxation and diffusion MRI (dMRI) are promising techniques. However, typical methods measure…

Purpose: To apply tracer kinetic models as temporal constraints during reconstruction of under-sampled dynamic contrast enhanced (DCE) MRI. Methods: A library of concentration v.s time profiles is simulated for a range of physiological…

Noninvasive, non-contact and \textit{in vivo} monitoring of blood glucose is a long needed pathology tool for saving patients from recurring pain and hassle that can accompany conventional blood glucose testing methods. Optical coherence…

Biological Physics · Physics 2008-08-04 R Poddar , S R Sharma , P Sen , J T Andrews

Background: Brain maturation and aging involve significant microstructural changes, resulting in functional and cognitive alterations. Quantitative MRI (qMRI) can measure this evolution, distinguishing the physiological effects of normal…

Purpose: To evaluate the performance of an automated choroid segmentation algorithm in optical coherence tomography (OCT) data using a longitudinal kidney donor and recipient cohort. Methods: We assessed 22 donors and 23 patients requiring…

OBJECTIVES: Quantitative MRI techniques such as T2 and T1$\rho$ mapping are beneficial in evaluating cartilage and meniscus. We aimed to evaluate the MIXTURE (Multi-Interleaved X-prepared Turbo-Spin Echo with IntUitive RElaxometry)…

Studying the changed water dynamics in the hydration layers of biomolecules is an important step towards fuller understanding of their function and mechanisms, but has shown to be quite difficult. The measurement of the time-dependent…

Chemical Physics · Physics 2021-05-20 Esther Heid , Christian Schröder

Staying hydrated and drinking fluids is extremely crucial to stay healthy and maintaining even basic bodily functions. Studies have shown that dehydration leads to loss of productivity, cognitive impairment and mood in both men and women.…

Computers and Society · Computer Science 2020-09-30 Nandan Kulkarni , Christopher Compton , Jooseppi Luna , Mohammad Arif Ul Alam

The thickness of the cortical band is linked to various neurological and psychiatric conditions, and is often estimated through surface-based methods such as Freesurfer in MRI studies. The DiReCT method, which calculates cortical thickness…

Image and Video Processing · Electrical Eng. & Systems 2023-07-24 Richard McKinley , Christian Rummel

Deep learning models have shown strong performance in medical image analysis, but deploying them in low-resource clinical environments remains difficult due to computational, memory, and power constraints. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Sumanth Meenan Kanneti , Aryan Shah

We propose a magnetic resonance (MR)-based method for estimation of continuous linear attenuation coefficients (LAC) in positron emission tomography (PET) using a physical compartmental model and ultrashort echo time (UTE)/multi-echo Dixon…

Quantification of brain atrophy currently requires visual rating scales which are time consuming and automated brain image analysis is warranted. We validated our automated deep learning (DL) tool measuring the Global Cerebral Atrophy (GCA)…

Image and Video Processing · Electrical Eng. & Systems 2025-09-11 Sukhdeep Bal , Emma Colbourne , Jasmine Gan , Ludovica Griffanti , Taylor Hanayik , Nele Demeyere , Jim Davies , Sarah T Pendlebury , Mark Jenkinson

Functional MRI (fMRI) is widely used to examine brain functionality by detecting alteration in oxygenated blood flow that arises with brain activity. In this study, complexity specific image categorization across different visual datasets…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Vamshi K. Kancharala , Debanjali Bhattacharya , Neelam Sinha

In the medical image analysis field, precise quantification of curve tortuosity plays a critical role in the auxiliary diagnosis and pathological assessment of various diseases. In this study, we propose a novel framework for tortuosity…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Kesheng Wang , Xiaoyu Chen , Chunlei He , Fenfen Li , Xinxin Yu , Dexing Kong , Shoujun Huang , Qi Dai

Reliable quantification of natural and anthropogenic gas release (e.g.\ CO$_2$, methane) from the seafloor into the water column, and potentially to the atmosphere, is a challenging task. While ship-based echo sounders such as single beam…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Mengkun She , Tim Weiß , Yifan Song , Peter Urban , Jens Greinert , Kevin Köser

Cortical thickness measurements from magnetic resonance imaging, an important biomarker in many neurodegenerative and neurological disorders, are derived by many tools from an initial voxel-wise tissue segmentation. White matter (WM)…

Image and Video Processing · Electrical Eng. & Systems 2025-03-27 Vinzenz Uhr , Ivan Diaz , Christian Rummel , Richard McKinley

Phantom systems consisting of liposome suspensions are widely employed to investigate quantitative MRI parameters mimicking cellular membranes. The proper physical understanding of the measurement results, however, requires proper models…

Medical Physics · Physics 2024-09-02 Heiko Neeb , Felix Schyboll , Rona Shaharabani , Aviv A. Mezer , Oshrat Shtangel

We report on the frozen-spin polarized hydrogen--deuteride (HD) targets for photoproduction experiments at SPring-8/LEPS. Pure HD gas with a small amount of ortho-H2 (~0.1%) was liquefied and solidified by liquid helium. The temperature of…

Instrumentation and Detectors · Physics 2020-09-11 T. Ohta , M. Fujiwara , T. Hotta , I. Ide , K. Ishizaki , H. Kohri , Y. Yanai , M. Yosoi

Background and Purpose: This study was designed to compare the effects of high-intensity interval training (HIT) and moderate-intensity continuous training (MOD) on functional recovery and cerebral plasticity during the first 2 weeks…

Neurons and Cognition · Quantitative Biology 2018-02-09 Caroline Pin-Barre , Annabelle Constans , Jeanick Brisswalter , Christophe Pellegrino , Jérôme Laurin