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Purpose: Recently the authors presented a technique that allows corneal thickness measurements along any meridian from optical sections obtained using a rotary scanning system. This paper presents 3-D mapping of the corneal thickness and…

General Physics · Physics 2007-05-23 S. Franco , J. B. Almeida , M. Parafita

Interest in soft continuum arms has increased as their inherent material elasticity enables safe and adaptive interactions with the environment. However to achieve full autonomy in these arms, accurate three-dimensional shape sensing is…

Robotics · Computer Science 2024-10-30 Ali AlBeladi , Girish Krishnan , Mohamed-Ali Belabbas , Seth Hutchinson

Quantitative descriptors convert high-dimensional medical images into low-dimensional features capable of differentiating organ shapes that correlate with injury or disease progression for diagnostic purposes. An important example is aortic…

Tissues and Organs · Quantitative Biology 2025-11-19 Cooper Bruno , Tiago Cecchi , Joseph A. Pugar , Luka Pocivavsek , Newell Washburn

Diffusion Magnetic Resonance Imaging (dMRI) is sensitive to white matter (WM) changes across the human lifespan. Several models have been proposed to provide more specific metrics than those provided by the conventional Diffusion Tensor…

Medical Physics · Physics 2023-06-19 Rafael Neto Henriques1 , Richard Henson , Cam-CAN , Marta Morgado Correia

Background: Quantitative prediction of the adolescents' spherical equivalent based on their variable-length historical vision records. Methods: From October 2019 to March 2022, we examined binocular uncorrected visual acuity, axial length,…

Machine Learning · Computer Science 2022-09-27 Junjia Huang , Wei Ma , Rong Li , Na Zhao , Tao Zhou

Common and important applications of person identification occur at distances and viewpoints in which the face is not visible or is not sufficiently resolved to be useful. We examine body shape as a biometric across distance and viewpoint…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Blake A. Myers , Lucas Jaggernauth , Thomas M. Metz , Matthew Q. Hill , Veda Nandan Gandi , Carlos D. Castillo , Alice J. O'Toole

Anatomical structures such as the hippocampus, liver, and bones can be analyzed as orientable, closed surfaces. This permits the computation of volume, surface area, mean curvature, Gaussian curvature, and the Euler-Poincar\'e…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Bryce A Besler , Tannis D. Kemp , Andrew S. Michalski , Nils D. Forkert , Steven K. Boyd

High-resolution optical imaging methods, such as confocal microscopy and full-field optical coherence tomography, capture flat optical sections of the sample. If the sample is curved, the optical field sections through several sample layers…

Medical Physics · Physics 2020-07-31 Viacheslav Mazlin , Kristina Irsch , Michel Paques , Mathias Fink , Albert Claude Boccara

Accurate human localization is crucial for various applications, especially in the Metaverse era. Existing high precision solutions rely on expensive, tag-dependent hardware, while vision-based methods offer a cheaper, tag-free alternative.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Tianyi Zhang , Wengyu Zhang , Xulu Zhang , Jiaxin Wu , Xiao-Yong Wei , Jiannong Cao , Qing Li

The way organs are positioned and moved in the workplace can cause pain and physical harm. Therefore, ergonomists use ergonomic risk assessments based on visual observation of the workplace, or review pictures and videos taken in the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Amin Ahmadi Kasani , Hedieh Sajedi

The basic body shape (i.e., the body shape in T-pose) of a person does not change within a single video. However, most SOTA human mesh estimation (HME) models output a slightly different, thus inconsistent basic body shape for each video…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Katja Ludwig , Julian Lorenz , Daniel Kienzle , Tuan Bui , Rainer Lienhart

For extremely large telescopes, adaptive optics will be required to correct the Earth's turbulent atmosphere. The performance of tomographic adaptive optics is strongly dependent on the vertical distribution (profile) of this turbulence. An…

Instrumentation and Methods for Astrophysics · Physics 2019-06-26 O. J. D. Farley , J. Osborn , T. Morris , T. Fusco , B. Neichel , C. Correia , R. W. Wilson

The use of static human body dimensions to assess the human accessibility is an essential part of an ergonomic approach in user-centered design. Assessments of reach capability are commonly performed by exercising external anthropometry of…

Medical Physics · Physics 2015-12-31 Mathieu Delangle , Jean François Petiot , Emilie Poirson

Estimating human body measurements from monocular RGB imagery remains challenging due to scale ambiguity, viewpoint sensitivity, and the absence of explicit depth information. This work presents a systematic empirical study of three weakly…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Gaurav Sekar

Musculoskeletal (MSK) models offer a non-invasive way to understand biomechanical loads on joints and tendons, which are difficult to measure directly. Variations in muscle strength, especially relative differences between muscles,…

Tissues and Organs · Quantitative Biology 2025-10-13 R. Maarleveld , H. E. J. Veeger , F. C. T. van der Helm , J. Son , R. L. Lieber , E. van der Kruk

The available reference data for the mandible and mandibular growth consists primarily of two-dimensional linear or angular measurements. The aim of this study was to create the first open-source, three-dimensional statistical shape model…

Reshaping accurate and realistic 3D human bodies from anthropometric parameters (e.g., height, chest size, etc.) poses a fundamental challenge for person identification, online shopping and virtual reality. Existing approaches for creating…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Yanhong Zeng , Jianlong Fu , Hongyang Chao

Human shape estimation has become increasingly important both theoretically and practically, for instance, in 3D mesh estimation, distance garment production and computational forensics, to mention just a few examples. As a further…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Yansel González Tejeda , Helmut A. Mayer

Understanding corneal stiffness is valuable for improving refractive surgery, detecting corneal abnormalities, and assessing intraocular pressure. However, accurately measuring the elastic properties, particularly the tensile and shear…

Medical Physics · Physics 2023-08-11 Guo-Yang Li , Xu Feng , Seok-Hyun Yun

Atherosclerotic lesions within carotid and cerebral vessels are likely to influence hemodynamics and manifest into vascular pathologies, including Alzheimers Disease and ischemic stroke. Hemodynamics are influenced by changes in luminal…

Tissues and Organs · Quantitative Biology 2023-03-24 Jennifer Buoncore , Alexis Sobecki , Brian Lee Beatty