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Motion, e.g., due to patient movement or improper device calibration, is inevitable in many imaging modalities such as photoacoustic tomography (PAT) by a rotating system and can lead to undesirable motion artifacts in image…

Numerical Analysis · Mathematics 2016-09-28 Julianne Chung , Linh Nguyen

Ring artifacts are prevalent in 3D cone-beam computed tomography (CBCT) due to non-ideal responses of X-ray detectors, substantially affecting image quality and diagnostic reliability. Existing state-of-the-art (SOTA) ring artifact…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Qing Wu , Hongjiang Wei , Jingyi Yu , Yuyao Zhang

Longitudinal imaging is capable of capturing the static ana\-to\-mi\-cal structures and the dynamic changes of the morphology resulting from aging or disease progression. Self-supervised learning allows to learn new representation from…

Image and Video Processing · Electrical Eng. & Systems 2019-10-25 Antoine Rivail , Ursula Schmidt-Erfurth , Wolf-Dieter Vogl , Sebastian M. Waldstein , Sophie Riedl , Christoph Grechenig , Zhichao Wu , Hrvoje Bogunović

Strong speckle noise is inherent to optical coherence tomography (OCT) imaging and represents a significant obstacle for accurate quantitative analysis of retinal structures which is key for advances in clinical diagnosis and monitoring of…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Shijie Li , Palaiologos Alexopoulos , Anse Vellappally , Ronald Zambrano , Wollstein Gadi , Guido Gerig

In this paper, we propose a framework that incorporates experts diagnostics and insights into the analysis of Optical Coherence Tomography (OCT) using multi-modal learning. To demonstrate the effectiveness of this approach, we create a…

Image and Video Processing · Electrical Eng. & Systems 2022-03-22 Y. Logan , K. Kokilepersaud , G. Kwon , G. AlRegib , C. Wykoff , H. Yu

Objective: Often, people with Subjective Cognitive Impairment (SCI), Mild Cognitive Impairment (MCI) and dementia are underwent to Electroencephalography (EEG) in order to evaluate through biological indexes the functional connectivity…

Signal Processing · Electrical Eng. & Systems 2019-04-10 Kalogiannis Grigorios , Chassapis George , Tsolaki Magda

Optical coherence tomography (OCT) is widely used for diagnosing and monitoring retinal diseases, such as age-related macular degeneration (AMD). The segmentation of biomarkers such as layers and lesions is essential for patient diagnosis…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Botond Fazekas , Guilherme Aresta , Philipp Seeböck , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunović

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…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Xi Wang , Hao Chen , Luyang Luo , An-ran Ran , Poemen P. Chan , Clement C. Tham , Carol Y. Cheung , Pheng-Ann Heng

Automated vascular segmentation on optical coherence tomography angiography (OCTA) is important for the quantitative analyses of retinal microvasculature in neuroretinal and systemic diseases. Despite recent improvements, artifacts continue…

Image and Video Processing · Electrical Eng. & Systems 2021-04-22 Yih-Cherng Lee , Ling Yeung

Optical Coherence Tomography (OCT) is a widely used non-invasive biomedical imaging modality that can rapidly provide volumetric images of samples. Here, we present a deep learning-based image reconstruction framework that can generate…

Image and Video Processing · Electrical Eng. & Systems 2021-07-30 Yijie Zhang , Tairan Liu , Manmohan Singh , Yilin Luo , Yair Rivenson , Kirill V. Larin , Aydogan Ozcan

Myopia is a manifestation of visual impairment caused by an excessively elongated eyeball. Image data is critical material for studying high myopia and pathological myopia. Measurements of spherical equivalent and axial length are the gold…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Xiao Ma , Zetian Zhang , Zexuan Ji , Kun Huang , Na Su , Songtao Yuan , Qiang Chen

In surface defect detection, due to the extreme imbalance in the number of positive and negative samples, positive-samples-based anomaly detection methods have received more and more attention. Specifically, reconstruction-based methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Wei Luo , Tongzhi Niu , Lixin Tang , Wenyong Yu , Bin Li

The increasing complexity of medical imaging data underscores the need for advanced anomaly detection methods to automatically identify diverse pathologies. Current methods face challenges in capturing the broad spectrum of anomalies, often…

Image and Video Processing · Electrical Eng. & Systems 2024-01-22 Cosmin I. Bercea , Benedikt Wiestler , Daniel Rueckert , Julia A. Schnabel

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…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Dewei Hu , Yuankai K. Tao , Ipek Oguz

Computational corrections of defocus and aberrations in optical coherence tomography (OCT) offers a promising approach to realize high-resolution imaging with deep imaging depth, but without additional high hardware costs. However, these…

Optics · Physics 2025-10-28 Shuichi Makita , Naoki Fukutake , Lida Zhu , Yoshiaki Yasuno

Optical Coherence Tomography (OCT) is an emerging technique in the field of biomedical imaging, with applications in ophthalmology, dermatology, coronary imaging etc. Due to the underlying physics, OCT images usually suffer from a granular…

Computer Vision and Pattern Recognition · Computer Science 2015-02-10 Ahmadreza Baghaie , Roshan M. D'souza , Zeyun Yu

Self-supervised pre-training for images without labels has recently achieved promising performance in image classification. The success of transformer-based methods, ViT and MAE, draws the community's attention to the design of backbone…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Jiantao Wu , Shentong Mo

Medical visual question answering (VQA) is a challenging task that requires answering clinical questions of a given medical image, by taking consider of both visual and language information. However, due to the small scale of training data…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Pengfei Li , Gang Liu , Jinlong He , Zixu Zhao , Shenjun Zhong

Speckle noise has long been an extensively studied problem in medical imaging. In recent years, there have been significant advances in leveraging deep learning methods for noise reduction. Nevertheless, adaptation of supervised learning…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Deborah Pereg

In this article, we are concerned with tracking an object of interest in video stream. We propose an algorithm that is robust against occlusion, the presence of confusing colors, abrupt changes in the object feature space and changes in…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Yi Dai , Bin Liu