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A new formulation of lateral imaging process of point-scanning optical coherence tomography (OCT) and a new differential contrast method designed by using this formulation are presented. The formulation is based on a mathematical sample…

The development of computing paradigms alternative to von Neumann architectures has recently fueled significant progress in novel all-optical processing solutions. In this work, we investigate how the coherence properties can be exploited…

Optical coherence tomography (OCT) has stimulated a wide range of medical image-based diagnosis and treatment in fields such as cardiology and ophthalmology. Such applications can be further facilitated by deep learning-based…

医学物理 · 物理学 2023-07-24 Xueshen Li , Zhenxing Dong , Hongshan Liu , Jennifer J. Kang-Mieler , Yuye Ling , Yu Gan

Some methods based on simple regularizing geometric element transformations have heuristically been shown to give runtime efficient and quality effective smoothing algorithms for meshes. We describe the mathematical framework and a…

计算几何 · 计算机科学 2013-07-09 Dimitris Vartziotis , Benjamin Himpel

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…

医学物理 · 物理学 2023-08-11 Guo-Yang Li , Xu Feng , Seok-Hyun Yun

High anisotropy in volumetric medical images can lead to the inconsistent quantification of anatomical and pathological structures. Particularly in optical coherence tomography (OCT), slice spacing can substantially vary across and within…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Coen de Vente , Mohammad Mohaiminul Islam , Philippe Valmaggia , Carel Hoyng , Adnan Tufail , Clara I. Sánchez

At the present time Optical Coherence Tomography (OCT) is among the most commonly used non-invasive imaging methods for the acquisition of large volumetric scans of human retinal tissues and vasculature. To resolve decisive information from…

计算机视觉与模式识别 · 计算机科学 2021-11-02 D. Sitenko , B. Boll , C. Schnörr

Inverse scattering in optical coherence tomography (OCT) seeks to recover both structural images and intrinsic tissue optical properties, including refractive index, scattering coefficient, and anisotropy. This inverse problem is…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Jinglun Yu , Yaning Wang , Wenhan Guo , Yuan Gao , Yu Sun , Jin U. Kang

Optical coherence tomography (OCT) has seen widespread success as an in vivo clinical diagnostic 3D imaging modality, impacting areas including ophthalmology, cardiology, and gastroenterology. Despite its many advantages, such as high…

Optical coherence tomography (OCT) is commonly used to analyze retinal layers for assessment of ocular diseases. In this paper, we propose a method for retinal layer segmentation and quantification of uncertainty based on Bayesian deep…

计算机视觉与模式识别 · 计算机科学 2018-09-13 Suman Sedai , Bhavna Antony , Dwarikanath Mahapatra , Rahil Garnavi

We present a new approach to the numerical upscaling for elliptic problems with rough diffusion coefficient at high contrast. It is based on the localizable orthogonal decomposition of $H^1$ into the image and the kernel of some novel…

数值分析 · 数学 2016-01-26 Daniel Peterseim , Robert Scheichl

Robot-assisted surgery has advantages compared to conventional laparoscopic procedures, e.g., precise movement of the surgical instruments, improved dexterity, and high-resolution visualization of the surgical field. However, mechanical…

图像与视频处理 · 电气工程与系统科学 2025-01-28 Maximilian Neidhardt , Robin Mieling , Sarah Latus , Martin Fischer , Tobias Maurer , Alexander Schlaefer

Optical coherence tomography (OCT) is a label-free, non-invasive 3D imaging tool widely used in both biological research and clinical diagnosis. Current OCT modalities can only visualize specimen tomography without chemical information.…

Customization techniques for text-to-image models have paved the way for a wide range of previously unattainable applications, enabling the generation of specific concepts across diverse contexts and styles. While existing methods…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Ryan Po , Guandao Yang , Kfir Aberman , Gordon Wetzstein

Ultrasound modulated optical tomography, also called acousto-optics tomography, is a hybrid imaging modality that aims to combine the high contrast of optical waves with the high resolution of ultrasound. We follow the model of the…

偏微分方程分析 · 数学 2015-06-15 Guillaume Bal , Shari Moskow

Watershed segmentation method has been used in various applications. But many a times, due to its over-segmentation attributes, it underperforms in several tasks where noise is a dominant source. In this study, Optical Coherence Tomography…

图像与视频处理 · 电气工程与系统科学 2023-03-30 Maryam Viqar , Violeta Madjarova , Elena Stoykova

We present a new mathematical framework for incorporating partial coherence effects into wave optics simulations through a comprehensive surface-to-detector approach. Unlike traditional ensemble averaging methods, our dual-component…

光学 · 物理学 2025-05-26 Netzer Moriya

Quantum sensing exploits quantum phenomena to enhance the detection and estimation of classical parameters of physical systems and biological entities, particularly so as to overcome the inefficiencies of its classical counterparts. A…

Optical Coherence Tomography (OCT) has become one of the most used imaging modality in ophthalmology. It provides high-resolution, non-invasive visualization of retinal microarchitecture. The automated analysis of OCT images through…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Hedi Tabia , Désiré Sidibé , Nawres Khlifa , Ahmed Tabia , Ines Rahmany , Noura Aboudi , Zainab Haddad , Hajer Khachnaoui , Hsouna Zgolli

Whole-eye optical coherence tomography (WEOCT) has emerged as a transformative imaging modality capable of simultaneously capturing the anterior and posterior segments of the human eye. WEOCT enables comprehensive ocular biometry, which is…