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Recent advancements in retinal surgery have paved the way for a modern operating room equipped with a surgical robot, a microscope, and intraoperative optical coherence tomography (iOCT)- a depth sensor widely used in retinal surgery.…

机器人学 · 计算机科学 2023-07-28 Ji Woong Kim , Shuwen Wei , Peiyao Zhang , Peter Gehlbach , Jin U. Kang , Iulian Iordachita , Marin Kobilarov

To develop a new method to quantify nonperfused retinal capillaries (NPCs) by using co-registered optical coherence tomography (OCT) and OCT angiography (OCTA), and to evaluate NPCs in eyes with age-related macular degeneration (AMD) and…

Organ at risk (OAR) segmentation in computed tomography (CT) imagery is a difficult task for automated segmentation methods and can be crucial for downstream radiation treatment planning. U-net has become a de-facto standard for medical…

图像与视频处理 · 电气工程与系统科学 2024-02-27 Abdullah Nazib , Riad Hassan , Zahidul Islam , Clinton Fookes

Noise in speckle-prone optical coherence tomography tends to obfuscate important details necessary for medical diagnosis. In this paper, a denoising approach that preserves disease characteristics on retinal optical coherence tomography…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Max-Heinrich Laves , Sontje Ihler , Lüder Alexander Kahrs , Tobias Ortmaier

Optical Coherence Tomography (OCT) is one of the most emerging imaging modalities that has been used widely in the field of biomedical imaging. From its emergence in 1990's, plenty of hardware and software improvements have been made. Its…

计算机视觉与模式识别 · 计算机科学 2014-11-18 Ahmadreza Baghaie , Roshan M. D'souza , Zeyun Yu

Methods for automated retinal vessel segmentation play an important role in the treatment and diagnosis of many eye and systemic diseases. With the fast development of deep learning methods, more and more retinal vessel segmentation methods…

图像与视频处理 · 电气工程与系统科学 2023-06-13 Gorana Gojić , Ognjen Kundačina , Dragiša Mišković , Dinu Dragan

Intravascular ultrasound and optical coherence tomography are widely available for characterizing coronary stenoses and provide critical vessel parameters to optimize percutaneous intervention. Intravascular polarization-sensitive optical…

图像与视频处理 · 电气工程与系统科学 2022-09-15 Mohammad Haft-Javaherian , Martin Villiger , Kenichiro Otsuka , Joost Daemen , Peter Libby , Polina Golland , Brett E. Bouma

Fundus photography has been routinely used to document the presence and severity of various retinal degenerative diseases such as age-related macula degeneration, glaucoma, and diabetic retinopathy, for which the fovea, optic disc (OD), and…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Huaqing He , Li Lin , Zhiyuan Cai , Xiaoying Tang

Optical coherence tomography (OCT) is a prevalent non-invasive imaging method which provides high resolution volumetric visualization of retina. However, its inherent defect, the speckle noise, can seriously deteriorate the tissue…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Dewei Hu , Yuankai K. Tao , Ipek Oguz

Choroidal nevi are common benign pigmented lesions in the eye, with a small risk of transforming into melanoma. Early detection is critical to improving survival rates, but misdiagnosis or delayed diagnosis can lead to poor outcomes.…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Mohammadmahdi Eshragh , Emad A. Mohammed , Behrouz Far , Ezekiel Weis , Carol L Shields , Sandor R Ferenczy , Trafford Crump

Recent studies suggest that early stages of diabetic retinopathy (DR) can be diagnosed by monitoring vascular changes in the deep vascular complex. In this work, we investigate a novel method for automated DR grading based on optical…

图像与视频处理 · 电气工程与系统科学 2022-12-22 Linus Kreitner , Ivan Ezhov , Daniel Rueckert , Johannes C. Paetzold , Martin J. Menten

Visible light optical coherence tomography (vis-OCT) provides a unique tool for imaging the structure and oxygen metabolism in tissues. However, since it works in the spectral domain, vis-OCT still suffers from noises due to the multiple…

医学物理 · 物理学 2021-12-28 Danlei Qiao , Peng Miao , Ian Rubinoff , Jibo Zhou , John B. Troy , Hao F. Zhang , Shanbao Tong

Due to its noninvasive character, optical coherence tomography (OCT) has become a popular diagnostic method in clinical settings. However, the low-coherence interferometric imaging procedure is inevitably contaminated by heavy speckle…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Yongqiang Huang , Wenjun Xia , Zexin Lu , Yan Liu , Hu Chen , Jiliu Zhou , Leyuan Fang , Yi Zhang

There has recently been great progress in automatic segmentation of medical images with deep learning algorithms. In most works observer variation is acknowledged to be a problem as it makes training data heterogeneous but so far no…

计算机视觉与模式识别 · 计算机科学 2020-01-24 Arkadiy Dushatskiy , Adriënne M. Mendrik , Peter A. N. Bosman , Tanja Alderliesten

When delineating lesions from medical images, a human expert can always keep in mind the anatomical structure behind the voxels. However, although high-quality (though not perfect) anatomical information can be retrieved from computed…

图像与视频处理 · 电气工程与系统科学 2023-12-04 Rongzhao Zhang , Zhian Bai , Ruoying Yu , Wenrao Pang , Lingyun Wang , Lifeng Zhu , Xiaofan Zhang , Huan Zhang , Weiguo Hu

Optical coherence tomography angiography (OCTA) has drawn numerous attentions in ophthalmology. However, its data acquisition is time-consuming, because it is based on temporal-decorrelation principle thus requires multiple repeated…

医学物理 · 物理学 2019-10-15 Jianlong Yang , Peng Liu , Lixin Duan , Yan Hu , Jiang Liu

With the advancement of deep learning techniques, an increasing number of methods have been proposed for optic disc and cup (OD/OC) segmentation from the fundus images. Clinically, OD/OC segmentation is often annotated by multiple clinical…

图像与视频处理 · 电气工程与系统科学 2022-09-20 Junde Wu , Huihui Fang , Dalu Yang , Zhaowei Wang , Wenshuo Zhou , Fangxin Shang , Yehui Yang , Yanwu Xu

Optical Coherence Tomography is a technique used to scan the Retina of the eye and check for tears. In this paper, we develop a Convolutional Neural Network Architecture for OCT scan classification. The model is trained to detect Retinal…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Adit Magotra , Aagat Gedam , Tanush Savadi , Emily Li

Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manual time consuming delineation of radio-sensitive organs at…

Glaucoma is a progressive eye disease that leads to optic nerve damage, causing irreversible vision loss if left untreated. Optical coherence tomography (OCT) has become a crucial tool for glaucoma diagnosis, offering high-resolution 3D…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Roshan Kenia , Anfei Li , Rishabh Srivastava , Kaveri A. Thakoor