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Optical coherence tomography (OCT) helps ophthalmologists assess macular edema, accumulation of fluids, and lesions at microscopic resolution. Quantification of retinal fluids is necessary for OCT-guided treatment management, which relies…

图像与视频处理 · 电气工程与系统科学 2022-12-15 Reza Rasti , Armin Biglari , Mohammad Rezapourian , Ziyun Yang , Sina Farsiu

The accurate segmentation of medical images is critical for various healthcare applications. Convolutional neural networks (CNNs), especially Fully Convolutional Networks (FCNs) like U-Net, have shown remarkable success in medical image…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Omid Nejati Manzari , Javad Mirzapour Kaleybar , Hooman Saadat , Shahin Maleki

Optical coherence tomography (OCT) is a powerful and noninvasive method for retinal imaging. In this paper, we introduce a fast segmentation method based on a new variant of spectral graph theory named diffusion maps. The research is…

计算机视觉与模式识别 · 计算机科学 2012-10-09 Raheleh Kafieh , Hossein Rabbani , Michael D. Abramoff , Milan Sonka

Our objective is to evaluate the efficacy of methods that use deep learning (DL) for the automatic fine-grained segmentation of optical coherence tomography (OCT) images of the retina. OCT images from 10 patients with mild non-proliferative…

计算机视觉与模式识别 · 计算机科学 2018-01-31 Mike Pekala , Neil Joshi , David E. Freund , Neil M. Bressler , Delia Cabrera DeBuc , Philippe M Burlina

Purpose: (1) To develop a deep learning algorithm to automatically segment structures of the optic nerve head (ONH) and macula in 3D wide-field optical coherence tomography (OCT) scans; (2) To assess whether 3D macula or ONH structures (or…

In this study, the performance of existing U-shaped neural network architectures was enhanced for medical image segmentation by adding Transformer. Although Transformer architectures are powerful at extracting global information, its…

图像与视频处理 · 电气工程与系统科学 2024-04-12 Songkai Sun , Qingshan She , Yuliang Ma , Rihui Li , Yingchun Zhang

Accurate segmentation of organs-at-risks (OARs) is a precursor for optimizing radiation therapy planning. Existing deep learning-based multi-scale fusion architectures have demonstrated a tremendous capacity for 2D medical image…

图像与视频处理 · 电气工程与系统科学 2022-08-17 Abhishek Srivastava , Debesh Jha , Elif Keles , Bulent Aydogan , Mohamed Abazeed , Ulas Bagci

Optical Coherence Tomography (OCT) imaging plays an important role in glaucoma diagnosis in clinical practice. Early detection and timely treatment can prevent glaucoma patients from permanent vision loss. However, only a dearth of…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Xi Wang , Hao Chen , Luyang Luo , An-ran Ran , Poemen P. Chan , Clement C. Tham , Carol Y. Cheung , Pheng-Ann Heng

The automatic segmentation of retinal layer structures enables clinically-relevant quantification and monitoring of eye disorders over time in OCT imaging. Eyes with late-stage diseases are particularly challenging to segment, as their…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Stefanos Apostolopoulos , Sandro De Zanet , Carlos Ciller , Sebastian Wolf , Raphael Sznitman

Fundus image segmentation on unseen domains is challenging, especially for the over-parameterized deep models trained on the small medical datasets. To address this challenge, we propose a method named Adaptive Feature-fusion Neural Network…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Jiyuan Zhong , Hu Ke , Ming Yan

Glaucoma is a severe blinding disease, for which automatic detection methods are urgently needed to alleviate the scarcity of ophthalmologists. Many works have proposed to employ deep learning methods that involve the segmentation of optic…

图像与视频处理 · 电气工程与系统科学 2022-09-26 Yanni Wang , Gang Yang , Dayong Ding , Jianchun Zao

We propose an attention mechanism for 3D medical image segmentation. The method, named segmentation-by-detection, is a cascade of a detection module followed by a segmentation module. The detection module enables a region of interest to…

计算机视觉与模式识别 · 计算机科学 2017-11-02 Min Tang , Zichen Zhang , Dana Cobzas , Martin Jagersand , Jacob L. Jaremko

Automated and accurate segmentation of cystoid structures in Optical Coherence Tomography (OCT) is of interest in the early detection of retinal diseases. It is, however, a challenging task. We propose a novel method for localizing cysts in…

计算机视觉与模式识别 · 计算机科学 2017-08-29 Karthik Gopinath , Jayanthi Sivaswamy

Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

Current medical image segmentation approaches have limitations in deeply exploring multi-scale information and effectively combining local detail textures with global contextual semantic information. This results in over-segmentation,…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Zhenkun Lu , Chaoyin She , Wei Wang , Qinghua Huang

Medical image segmentation is a crucial method for assisting professionals in diagnosing various diseases through medical imaging. However, various factors such as noise, blurriness, and low contrast often hinder the accurate diagnosis of…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Jeonghyun Noh , Wangsu Jeon , Jinsun Park

3D point clouds are rich in geometric structure information, while 2D images contain important and continuous texture information. Combining 2D information to achieve better 3D semantic segmentation has become mainstream in 3D scene…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Chaolong Yang , Yuyao Yan , Weiguang Zhao , Jianan Ye , Xi Yang , Amir Hussain , Kaizhu Huang

Recently, the state-of-art models for medical image segmentation is U-Net and their variants. These networks, though succeeding in deriving notable results, ignore the practical problem hanging over the medical segmentation field:…

图像与视频处理 · 电气工程与系统科学 2025-01-07 Hao Ziang , Jingsi Zhang , Lixian Li

With the introduction of spectral-domain optical coherence tomography (OCT), resulting in a significant increase in acquisition speed, the fast and accurate segmentation of 3-D OCT scans has become evermore important. This paper presents a…

计算机视觉与模式识别 · 计算机科学 2014-04-01 Fabian Rathke , Stefan Schmidt , Christoph Schnörr

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