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Layer segmentation is important to quantitative analysis of retinal optical coherence tomography (OCT). Recently, deep learning based methods have been developed to automate this task and yield remarkable performance. However, due to the…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Hong Liu , Dong Wei , Donghuan Lu , Xiaoying Tang , Liansheng Wang , Yefeng Zheng

Abnormalities in retinal fundus images may indicate certain pathologies such as diabetic retinopathy, hypertension, stroke, glaucoma, retinal macular edema, venous occlusion, and atherosclerosis, making the study and analysis of retinal…

Image and Video Processing · Electrical Eng. & Systems 2024-05-28 Yuzhuo Chen , Zetong Chen , Yuanyuan Liu

Retinal Optical Coherence Tomography (OCT), a noninvasive cross-sectional scan of the eye with qualitative 3D visualization of the retinal anatomy is use to study the retinal structure and the presence of pathogens. The advent of the…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Nchongmaje Ndipenoch , Alina Miron , Zidong Wang , Yongmin Li

In recent years, there has been a growing interest in applying convolutional neural networks (CNNs) to low-level vision tasks such as denoising and super-resolution. Due to the coherent nature of the image formation process, optical…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Ashkan Abbasi , Amirhassan Monadjemi , Leyuan Fang , Hossein Rabbani , Yi Zhang

Inpainting shadowed regions cast by superficial blood vessels in retinal optical coherence tomography (OCT) images is critical for accurate and robust machine analysis and clinical diagnosis. Traditional sequence-based approaches such as…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Yaoqi Tang , Yufan Li , Hongshan Liu , Jiaxuan Li , Peiyao Jin , Yu Gan , Yuye Ling , Yikai Su

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…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Stefanos Apostolopoulos , Sandro De Zanet , Carlos Ciller , Sebastian Wolf , Raphael Sznitman

We present a pseudo-real-time retinal layer segmentation for high-resolution Sensorless Adaptive Optics-Optical Coherence Tomography (SAO-OCT). Our pseudo-real-time segmentation method is based on Dijkstra's algorithm that uses the…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Worawee Janpongsri , Joey Huang , Ringo Ng , Daniel J. Wahl , Marinko V. Sarunic , Yifan Jian

Retinal vessel segmentation plays an imaportant role in the field of retinal image analysis because changes in retinal vascular structure can aid in the diagnosis of diseases such as hypertension and diabetes. In recent research, numerous…

Image and Video Processing · Electrical Eng. & Systems 2020-04-09 Changlu Guo , Márton Szemenyei , Yugen Yi , Ying Xue , Wei Zhou , Yangyuan Li

Optical coherence tomography (OCT) is one of the non-invasive and easy-to-acquire biomarkers (the thickness of the retinal layers, which is detectable within OCT scans) being investigated to diagnose Alzheimer's disease (AD). This work aims…

Image and Video Processing · Electrical Eng. & Systems 2022-06-14 Paria Jeihouni , Omid Dehzangi , Annahita Amireskandari , Ali Dabouei , Ali Rezai , Nasser M. Nasrabadi

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…

Optical Coherence Tomography (OCT) is pervasive in both the research and clinical practice of Ophthalmology. However, OCT images are strongly corrupted by noise, limiting their interpretation. Current OCT denoisers leverage assumptions on…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Guillaume Gisbert , Neel Dey , Hiroshi Ishikawa , Joel Schuman , James Fishbaugh , Guido Gerig

Organ at risk (OAR) segmentation is a crucial step for treatment planning and outcome determination in radiotherapy treatments of cancer patients. Several deep learning based segmentation algorithms have been developed in recent years,…

Image and Video Processing · Electrical Eng. & Systems 2022-02-07 Ilkin Isler , Curtis Lisle , Justin Rineer , Patrick Kelly , Damla Turgut , Jacob Ricci , Ulas Bagci

The reliable segmentation of retinal vasculature can provide the means to diagnose and monitor the progression of a variety of diseases affecting the blood vessel network, including diabetes and hypertension. We leverage the power of…

Image and Video Processing · Electrical Eng. & Systems 2019-07-23 Ali Hatamizadeh , Hamid Hosseini , Zhengyuan Liu , Steven D. Schwartz , Demetri Terzopoulos

Speckle noise and retinal shadows within OCT B-scans occlude important edges, fine textures and deep tissues, preventing accurate and robust diagnosis by algorithms and clinicians. We developed a single process that successfully removed…

Purpose: To enable fast and reliable assessment of subcutaneous and visceral adipose tissue compartments derived from whole-body MRI. Methods: Quantification and localization of different adipose tissue compartments from whole-body MR…

A 3D deep learning model (OARnet) is developed and used to delineate 28 H&N OARs on CT images. OARnet utilizes a densely connected network to detect the OAR bounding-box, then delineates the OAR within the box. It reuses information from…

Image and Video Processing · Electrical Eng. & Systems 2021-11-24 Mumtaz Hussain Soomro , Hamidreza Nourzadeh , Victor Gabriel Leandro Alves , Wookjin Choi , Jeffrey V. Siebers

In this work we propose a ResNet-based universal method for speckle reduction in optical coherence tomography (OCT) images. The proposed model contains 3 main modules: Convolution-BN-ReLU, Branch and Residual module. Unlike traditional…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Cai Ning , Shi Fei , Hu Dianlin , Chen Yang

Optical Coherence Tomography (OCT) is a vital imaging modality for diagnosing and monitoring retinal diseases. However, OCT images are inherently degraded by speckle noise, which obscures fine details and hinders accurate interpretation.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Botond Fazekas , Thomas Pinetz , Guilherme Aresta , Taha Emre , Hrvoje Bogunovic

Retinal optical coherence tomography (OCT) and OCT angiography (OCTA) suffer from the degeneration of image quality due to speckle noise and bulk-motion noise, respectively. Because the cross-sectional retina has distinct features in OCT…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Jianlong Yang , Yan Hu , Liyang Fang , Jun Cheng , Jiang Liu

Quantification of intra-retinal boundaries in optical coherence tomography (OCT) is a crucial task for studying and diagnosing neurological and ocular diseases. Since manual segmentation of layers is usually a time consuming task and relay…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Mahdi Salarian
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