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This short textbook was written for someone who newly start studying, doing research, or development about optical coherence tomography (OCT) or using OCT. The first chapter summarizes the concept and the history of OCT. In the second…

Medical Physics · Physics 2022-12-09 Yoshiaki Yasuno

Purpose: To remove retinal shadows from optical coherence tomography (OCT) images of the optic nerve head(ONH). Methods:2328 OCT images acquired through the center of the ONH using a Spectralis OCT machine for both eyes of 13 subjects were…

Acousto-optical coherence tomography (AOCT) consists in using random phase jumps on ultrasound and light to achieve a millimeter resolution when imaging thick scattering media. We combined this technique with heterodyne off-axis digital…

In tomographic reconstruction, the image quality of the reconstructed images can be significantly degraded by defects in the measured two-dimensional (2D) raw image data. Despite the importance of screening defective 2D images for robust…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Donghun Ryu , Youngju Jo , Jihyeong Yoo , Taean Chang , Daewoong Ahn , Young Seo Kim , Geon Kim , Hyun-seok Min , Yongkeun Park

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

Early identification of patients at risk of cardiovascular diseases (CVD) is crucial for effective preventive care, reducing healthcare burden, and improving patients' quality of life. This study demonstrates the potential of retinal…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Cynthia Maldonado-Garcia , Arezoo Zakeri , Alejandro F Frangi , Nishant Ravikumar

Optical coherence tomography (OCT) is a prevalent, interferometric, high-resolution imaging method with broad biomedical applications. Nonetheless, OCT images suffer from an artifact, called speckle which degrades the image quality. Digital…

Reliable automated analysis of Optical Coherence Tomography (OCT) imaging is crucial for diagnosing retinal disorders but faces a critical barrier: the need for expensive, labor-intensive expert annotations. Supervised deep learning models…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Tania Haghighi , Sina Gholami , Hamed Tabkhi , Minhaj Nur Alam

Serial sectioning Optical Coherence Tomography (sOCT) is a high-throughput, label free microscopic imaging technique that is becoming increasingly popular to study post-mortem neurovasculature. Quantitative analysis of the vasculature…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Etienne Chollet , Yael Balbastre , Caroline Magnain , Bruce Fischl , Hui Wang

In this paper, we propose the use of Optical Coherence Tomography (OCT) imaging for the problem of iris presentation attack (PA) detection. We assess its viability by comparing its performance with respect to traditional iris imaging…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Renu Sharma , Arun Ross

Diabetic retinopathy (DR) is a complication of diabetes, and one of the major causes of vision impairment in the global population. As the early-stage manifestation of DR is usually very mild and hard to detect, an accurate diagnosis via…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Yuhan Zheng , Fuping Wu , Bartłomiej W. Papież

Diagnostic investigation has an important role in risk stratification and clinical decision making of patients with suspected and documented Coronary Artery Disease (CAD). However, the majority of existing tools are primarily focused on the…

Optical Coherence Tomography (OCT) is a key 3D imaging technology that provides micron scale depth resolution for bio-imaging. This resolution substantially surpasses what it typically achieved in Light Detection and Ranging (LiDAR) which…

Optics · Physics 2022-07-27 Robbie Murray , Ashley Lyons

A resolution enhancement technique for optical coherence tomography (OCT), based on Generative Adversarial Networks (GANs), was developed and investigated. GANs have been previously used for resolution enhancement of photography and optical…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Kaicheng Liang , Xinyu Liu , Si Chen , Jun Xie , Wei Qing Lee , Linbo Liu , Hwee Kuan Lee

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…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Gabriel García , Rocío del Amor , Adrián Colomer , Rafael Verdú-Monedero , Juan Morales-Sánchez , Valery Naranjo

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

Diabetic Retinopathy (DR) caused by diabetes occurs as a result of changes in the retinal vessels and causes visual impairment. Microaneurysms (MAs) are the early clinical signs of DR, whose timely diagnosis can help detecting DR in the…

Image and Video Processing · Electrical Eng. & Systems 2022-05-11 Elahe Sadat Kazemi Nasab , Ramin Almasi , Bijan Shoushtarian , Ehsan Golkar , Hossein Rabbani

Optical Coherence Tomography (OCT) is a non-invasive imaging modality essential for diagnosing various eye diseases. Despite its clinical significance, developing OCT-based diagnostic tools faces challenges, such as limited public datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Mohammadreza Saraei , Igor Kozak , Eung-Joo Lee

Early detection of dementia, such as Alzheimer's disease (AD) or mild cognitive impairment (MCI), is essential to enable timely intervention and potential treatment. Accurate detection of AD/MCI is challenging due to the high complexity,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-13 Shouyue Liu , Ziyi Zhang , Yuanyuan Gu , Jinkui Hao , Yonghuai Liu , Huazhu Fu , Xinyu Guo , Hong Song , Shuting Zhang , Yitian Zhao

Optical coherence tomography (OCT) can perform non-invasive high-resolution three-dimensional (3D) imaging and has been widely used in biomedical fields, while it is inevitably affected by coherence speckle noise which degrades OCT imaging…

Optics · Physics 2025-06-30 Renxiong Wu , Fei Zheng , Meixuan Li , Shaoyan Huang , Xin Ge , Linbo Liu , Yong Liu , Guangming Ni
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