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From diagnosing neovascular diseases to detecting white matter lesions, accurate tiny vessel segmentation in fundus images is critical. Promising results for accurate vessel segmentation have been known. However, their effectiveness in…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Suraj Mishra , Danny Z. Chen , X. Sharon Hu

Optical Coherence Tomography (OCT) is a novel and effective screening tool for ophthalmic examination. Since collecting OCT images is relatively more expensive than fundus photographs, existing methods use multi-modal learning to complement…

Image and Video Processing · Electrical Eng. & Systems 2023-08-02 Lehan Wang , Weihang Dai , Mei Jin , Chubin Ou , Xiaomeng Li

Interpreting motion captured in image sequences is crucial for a wide range of computer vision applications. Typical estimation approaches include optical flow (OF), which approximates the apparent motion instantaneously in a scene, and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Tanner D. Harms , Steven L. Brunton , Beverley J. McKeon

Segmentation of blood vessels in retinal images provides early diagnosis of diseases like glaucoma, diabetic retinopathy and macular degeneration. Among these diseases occurrence of Glaucoma is most frequent and has serious ocular…

Computer Vision and Pattern Recognition · Computer Science 2012-09-07 Nilanjan Dey , Anamitra Bardhan Roy , Moumita Pal , Achintya Das

Optical coherence tomography (OCT) is a micrometer-scale, volumetric imaging modality that has become a clinical standard in ophthalmology. OCT instruments image by raster-scanning a focused light spot across the retina, acquiring…

Image and Video Processing · Electrical Eng. & Systems 2022-09-16 Stefan Ploner , Siyu Chen , Jungeun Won , Lennart Husvogt , Katharina Breininger , Julia Schottenhamml , James Fujimoto , Andreas Maier

Convolutional Neural Network models have successfully detected retinal illness from optical coherence tomography (OCT) and fundus images. These CNN models frequently rely on vast amounts of labeled data for training, difficult to obtain,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Sourya Dipta Das , Saikat Dutta , Nisarg A. Shah , Dwarikanath Mahapatra , Zongyuan Ge

The detection of retinal vessel is of great importance in the diagnosis and treatment of many ocular diseases. Many methods have been proposed for vessel detection. However, most of the algorithms neglect the connectivity of the vessels,…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Lei Mou , Li Chen , Jun Cheng , Zaiwang Gu , Yitian Zhao , Jiang Liu

This paper proposes a novel image segmentation approachthat integrates fully convolutional networks (FCNs) with a level setmodel. Compared with a FCN, the integrated method can incorporatesmoothing and prior information to achieve an…

Computer Vision and Pattern Recognition · Computer Science 2017-10-25 Min Tang , Sepehr Valipour , Zichen Vincent Zhang , Dana Cobzas , MartinJagersand

Computer vision and image processing techniques provide important assistance to physicians and relieve their workload in different tasks. In particular, identifying objects of interest such as lesions and anatomical structures from the…

Medical Physics · Physics 2020-04-23 Meysam Tavakoli , Mahdieh Nazar , Alireza Golestaneh , Faraz Kalantari

In ophthalmology, the study of the retinal microcirculation is a key issue in the analysis of many ocular and systemic diseases, like hypertension or diabetes. This motivates the research on improving the retinal vasculature segmentation.…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 José Morano , Álvaro S. Hervella , Noelia Barreira , Jorge Novo , José Rouco

Anomaly detection and localization is an important vision problem, having multiple applications. Effective and generic semantic segmentation of anomalous regions on various different surfaces, where most anomalous regions inherently do not…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Hrishikesh Sharma , Prakhar Pradhan , Balamuralidhar P

With the introduction of spectral-domain optical coherence tomography (OCT), much larger image datasets are routinely acquired compared to what was possible using the previous generation of time-domain OCT. Thus, the need for 3-D…

Computer Vision and Pattern Recognition · Computer Science 2012-05-03 Yankui Sun , Tian Zhang

Recent progresses in visual tracking have greatly improved the tracking performance. However, challenges such as occlusion and view change remain obstacles in real world deployment. A natural solution to these challenges is to use multiple…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Minye Wu , Haibin Ling , Ning Bi , Shenghua Gao , Hao Sheng , Jingyi Yu

Purpose: Optical Coherence Tomography Angiography (OCT-A) permits visualization of the changes to the retinal circulation due to diabetic retinopathy (DR), a microvascular complication of diabetes. We demonstrate accurate segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2021-01-13 Julian Lo , Morgan Heisler , Vinicius Vanzan , Sonja Karst , Ivana Zadro Matovinovic , Sven Loncaric , Eduardo V. Navajas , Mirza Faisal Beg , Marinko V. Sarunic

The automatic detection of disease related entities in retinal imaging data is relevant for disease- and treatment monitoring. It enables the quantitative assessment of large amounts of data and the corresponding study of disease…

Optical coherence tomography (OCT) is a prevalent imaging technique for retina. However, it is affected by multiplicative speckle noise that can degrade the visibility of essential anatomical structures, including blood vessels and tissue…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Dewei Hu , Joseph D. Malone , Yigit Atay , Yuankai K. Tao , Ipek Oguz

Ophthalmological imaging utilizes different imaging systems, such as color fundus, infrared, fluorescein angiography, optical coherence tomography (OCT) or OCT angiography. Multiple images with different modalities or acquisition times are…

Image and Video Processing · Electrical Eng. & Systems 2022-01-10 Aline Sindel , Bettina Hohberger , Sebastian Fassihi Dehcordi , Christian Mardin , Robert Lämmer , Andreas Maier , Vincent Christlein

Appearance-based detectors achieve remarkable performance on common scenes, but tend to fail for scenarios lack of training data. Geometric motion segmentation algorithms, however, generalize to novel scenes, but have yet to achieve…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Gengshan Yang , Deva Ramanan

Automated segmentation of cancerous lesions in PET/CT images is a vital initial task for quantitative analysis. However, it is often challenging to train deep learning-based segmentation methods to high degree of accuracy due to the…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Shadab Ahamed , Arman Rahmim

Retinal Optical Coherence Tomography (OCT) segmentation is essential for diagnosing pathology. Traditional methods focus on either spatial or spectral domains, overlooking their combined dependencies. We propose a triple-encoder network…

Image and Video Processing · Electrical Eng. & Systems 2025-11-26 Kristin Qi , Xinhan Di