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Optical coherence tomography (OCT) is a non-invasive, micrometer-scale imaging modality that has become a clinical standard in ophthalmology. By raster-scanning the retina, sequential cross-sectional image slices are acquired to generate…

Image and Video Processing · Electrical Eng. & Systems 2024-02-20 Stefan Ploner , Jungeun Won , Julia Schottenhamml , Jessica Girgis , Kenneth Lam , Nadia Waheed , James Fujimoto , Andreas Maier

Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging modality that allows micron-level resolution to visualize the retinal microvasculature. The retinal vessel segmentation in OCTA images is still an open problem,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Mingchao Li , Yerui Chen , Weiwei Zhang , Qiang Chen

Age-related macular degeneration (AMD) is a leading cause of irreversible vision loss, making effective prognosis crucial for timely intervention. In this work, we propose AMD-Mamba, a novel multi-modal framework for AMD prognosis, and…

Image and Video Processing · Electrical Eng. & Systems 2025-08-06 Puzhen Wu , Mingquan Lin , Qingyu Chen , Emily Y. Chew , Zhiyong Lu , Yifan Peng , Hexin Dong

Osteosarcoma is the most common primary bone cancer, mainly affecting the youngest and oldest populations. Its detection at early stages is crucial to reduce the probability of developing bone metastasis. In this context, accurate and fast…

Optical coherence tomography (OCT) is used for non-invasive diagnosis of diabetic macular edema assessing the retinal layers. In this paper, we propose a new fully convolutional deep architecture, termed ReLayNet, for end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2017-07-10 Abhijit Guha Roy , Sailesh Conjeti , Sri Phani Krishna Karri , Debdoot Sheet , Amin Katouzian , Christian Wachinger , Nassir Navab

Brain age is the estimate of biological age derived from neuroimaging datasets using machine learning algorithms. Increasing \textit{brain age gap} characterized by an elevated brain age relative to the chronological age can reflect…

Machine Learning · Computer Science 2025-01-06 Saurabh Sihag , Gonzalo Mateos , Alejandro Ribeiro

Automated detection of retinal structures, such as retinal vessels (RV), the foveal avascular zone (FAZ), and retinal vascular junctions (RVJ), are of great importance for understanding diseases of the eye and clinical decision-making. In…

Image and Video Processing · Electrical Eng. & Systems 2022-08-24 Jinkui Hao , Ting Shen , Xueli Zhu , Yonghuai Liu , Ardhendu Behera , Dan Zhang , Bang Chen , Jiang Liu , Jiong Zhang , Yitian Zhao

Coronary CT angiography (CCTA) has established its role as a non-invasive modality for the diagnosis of coronary artery disease (CAD). The CAD-Reporting and Data System (CAD-RADS) has been developed to standardize communication and aid in…

Non-destructive testing (NDT) is essential in ceramic manufacturing to ensure the quality of components without compromising their integrity. In this context, Optical Coherence Tomography (OCT) enables high-resolution internal imaging,…

The task of automatically segmenting 3-D surfaces representing boundaries of objects is important for quantitative analysis of volumetric images, and plays a vital role in biomedical image analysis. Recently, graph-based methods with a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Abhay Shah , Michael Abramoff , Xiaodong Wu

Automatic detection of brain neoplasm in Magnetic Resonance Imaging (MRI) is gaining importance in many medical diagnostic applications. This report presents two improvements for brain neoplasm detection in MRI data: an advanced…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Nilanjan Sinhababu , Monalisa Sarma , Debasis Samanta

We propose a novel method for non-rigid 3-D motion correction of orthogonally raster-scanned optical coherence tomography angiography volumes. This is the first approach that aligns predominantly axial structural features like retinal…

This study presents a dataset consisting of 268 retinal images from 179 individuals, including 133 left-eye and 135 right-eye images, collected from Natasha Eye Care and Research Institute in Pune, Maharashtra, India. The images were…

Image and Video Processing · Electrical Eng. & Systems 2024-09-09 Pooja Bidwai , Shilpa Gite , Biswajeet Pradhan , Aditi Gupta , Kishore pahuja

Eye movements, blinking and other motion during the acquisition of optical coherence tomography (OCT) can lead to artifacts, when processed to OCT angiography (OCTA) images. Affected scans emerge as high intensity (white) or missing (black)…

Image and Video Processing · Electrical Eng. & Systems 2020-01-09 Julian Hossbach , Lennart Husvogt , Martin F. Kraus , James G. Fujimoto , Andreas K. Maier

Objective Neoadjuvant chemotherapy (NACT) is one kind of treatment for advanced stage ovarian cancer patients. However, due to the nature of tumor heterogeneity, the clinical outcomes to NACT vary significantly among different subgroups.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Ke Zhang , Neman Abdoli , Patrik Gilley , Youkabed Sadri , Xuxin Chen , Theresa C. Thai , Lauren Dockery , Kathleen Moore , Robert S. Mannel , Yuchen Qiu

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…

Medical Physics · Physics 2019-10-15 Jianlong Yang , Peng Liu , Lixin Duan , Yan Hu , Jiang Liu

Ultra-wide optical coherence tomography angiography (UW-OCTA) is an emerging imaging technique that offers significant advantages over traditional OCTA by providing an exceptionally wide scanning range of up to 24 x 20 $mm^{2}$, covering…

Image and Video Processing · Electrical Eng. & Systems 2023-11-20 Hao Wei , Peilun Shi , Guitao Bai , Minqing Zhang , Shuangle Li , Wu Yuan

In this study, we demonstrate a novel self-navigated motion correction method that suppresses eye motion and blinking artifacts on wide-field optical coherence tomographic angiography (OCTA) without requiring any hardware modification.…

Medical Physics · Physics 2020-05-25 Xiang Wei , Tristan T. Hormel , Yukun Guo , Thomas S. Hwang , Yali Jia

Accurate staging of Diabetic Retinopathy (DR) is essential for guiding timely interventions and preventing vision loss. However, current staging models are hardly interpretable, and most public datasets contain no clinical reasoning or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Chenjun Li , Laurin Lux , Alexander H. Berger , Martin J. Menten , Mert R. Sabuncu , Johannes C. Paetzold

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…