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Optical Coherence Tomography allows ophthalmologist to obtain cross-section imaging of eye retina. Assisted with digital image analysis methods, effective disease detection could be performed. Various methods exist to extract feature from…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Kuntoro Adi Nugroho

Computerized Tomography Angiography (CTA) based follow-up of Abdominal Aortic Aneurysms (AAA) treated with Endovascular Aneurysm Repair (EVAR) is essential to evaluate the progress of the patient and detect complications. In this context,…

Glaucoma is one of the leading causes of blindness worldwide and Optical Coherence Tomography (OCT) is the quintessential imaging technique for its detection. Unlike most of the state-of-the-art studies focused on glaucoma detection, in…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Gabriel García , Rocío del Amor , Adrián Colomer , Rafael Verdú-Monedero , Juan Morales-Sánchez , Valery Naranjo

Attenuation artifacts remain a significant challenge in cardiac Myocardial Perfusion Imaging (MPI) using Single-Photon Emission Computed Tomography (SPECT), often compromising diagnostic accuracy and reducing clinical interpretability.…

X-ray computed tomography (CT) is widely utilized in the medical, industrial, and other fields to nondestructively generate three-dimensional structural images of objects. However, CT images are often affected by various artifacts, with…

医学物理 · 物理学 2025-05-27 Yang Zou , Meili Qi , Jianhua Zhang , Difei Zhang , Shuwei Wang , Jiale Zhang , Shengkun Yao , Huaidong Jiang

Various types of atherosclerotic plaque and varying grades of stenosis could lead to different management of patients with coronary artery disease. Therefore, it is crucial to detect and classify the type of coronary artery plaque, as well…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Majd Zreik , Robbert W. van Hamersvelt , Jelmer M. Wolterink , Tim Leiner , Max A. Viergever , Ivana Isgum

In the application of deep learning on optical coherence tomography (OCT) data, it is common to train classification networks using 2D images originating from volumetric data. Given the micrometer resolution of OCT systems, consecutive…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Iulian Emil Tampu , Anders Eklund , Neda Haj-Hosseini

The identification and quantification of markers in medical images is critical for diagnosis, prognosis, and disease management. Supervised machine learning enables the detection and exploitation of findings that are known a priori after…

Angiography by Optical Coherence Tomography is a non-invasive retinal imaging modality of recent appearance that allows the visualization of the vascular structure at predefined depths based on the detection of the blood movement. OCT-A…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Macarena Díaz , Jorge Novo , Paula Cutrín , Francisco Gómez-Ulla , Manuel G. Penedo , Marcos Ortega

Severe occlusions of objects pose a major challenge for computer vision. We show that two root causes are (1) the loss of visible information and (2) the distracting patterns caused by the occluders. Our approach addresses both causes at…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Kay Gijzen , Gertjan J. Burghouts , Daniël M. Pelt

Three-dimensional x-ray CT image reconstruction in baggage scanning in security applications is an important research field. The variety of materials to be reconstructed is broader than medical x-ray imaging. Presence of high attenuating…

计算机视觉与模式识别 · 计算机科学 2015-08-20 S. Degirmenci , Joseph A. O'Sullivan , David G. Politte

Computational corrections of defocus and aberrations in optical coherence tomography (OCT) offers a promising approach to realize high-resolution imaging with deep imaging depth, but without additional high hardware costs. However, these…

光学 · 物理学 2025-10-28 Shuichi Makita , Naoki Fukutake , Lida Zhu , Yoshiaki Yasuno

Accurate segmentation of macular edema, a hallmark pathological feature in vision-threatening conditions such as age-related macular degeneration and diabetic macular edema, is essential for clinical diagnosis and management. To overcome…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Li Yang , Yuting Liu

Optical Projection Tomography (OPT) is a powerful tool for 3D imaging of mesoscopic samples, thus of great importance to image whole organs for the study of various disease models in life sciences. OPT is able to achieve resolution at a few…

Retinal vessel segmentation plays a vital role in analyzing fundus images for the diagnosis of systemic and ocular diseases. Building on this, classifying segmented vessels into arteries and veins (A/V) further enables the extraction of…

图像与视频处理 · 电气工程与系统科学 2025-08-07 Shuang Zeng , Chee Hong Lee , Kaiwen Li , Boxu Xie , Ourui Fu , Hangzhou He , Lei Zhu , Yanye Lu , Fangxiao Cheng

Artefacts in quantum-mimic Optical Coherence Tomography are considered detrimental because they scramble the images even for the simplest objects. They are a side effect of autocorrelation which is used in the quantum entanglement mimicking…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Krzysztof A. Maliszewski , Piotr Kolenderski , Varvara Vetrova , Sylwia M. Kolenderska

The mathematical foundation of X-ray CT is based on the assumption that by measuring the attenuation of X-rays passing through an object, one can recover the integrals of the attenuation coefficient $\mu(x)$ along a sufficiently rich family…

数值分析 · 数学 2025-05-07 Alexander Katsevich

Compared with other imaging modalities, intravascular optical coherence tomography (IVOCT) has significant advantages for guiding percutaneous coronary interventions. To aid IVOCT research studies, we developed the Optical Coherence…

Tracking and localizing objects is a central problem in computer-assisted surgery. Optical coherence tomography (OCT) can be employed as an optical tracking system, due to its high spatial and temporal resolution. Recently, 3D convolutional…

图像与视频处理 · 电气工程与系统科学 2020-07-03 Marcel Bengs , Nils Gessert , Alexander Schlaefer

Purpose: Disease progression of retinal atrophy associated with AMD requires the accurate quantification of the retinal atrophy changes on longitudinal OCT studies. It is based on finding, comparing, and delineating subtle atrophy changes…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Adi Szeskin , Roei Yehuda , Or Shmueli , Jaime Levy , Leo Joskowicz