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Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

This paper presents a novel automated system that segments six sub-retinal layers from optical coherence tomography (OCT) image stacks of healthy patients and patients with diabetic macular edema (DME). First, each image in the OCT stack is…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury , Dara D. Koozekanani , Michael Reinsbach , Keshab K. Parhi

It is crucial to reduce natural gas methane emissions, which can potentially offset the climate benefits of replacing coal with gas. Optical gas imaging (OGI) is a widely-used method to detect methane leaks, but is labor-intensive and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Jingfan Wang , Lyne P. Tchapmi , Arvind P. Ravikumara , Mike McGuire , Clay S. Bell , Daniel Zimmerle , Silvio Savarese , Adam R. Brandt

Over 300 million people worldwide are affected by various retinal diseases. By noninvasive Optical Coherence Tomography (OCT) scans, a number of abnormal structural changes in the retina, namely retinal lesions, can be identified. Automated…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Yue Wu , Yang Zhou , Jianchun Zhao , Jingyuan Yang , Weihong Yu , Youxin Chen , Xirong Li

Optical coherence tomography (OCT) as retina imaging technology is currently used by ophthalmologist as a non-invasive and non-contact method for diagnosis of agerelated degeneration (AMD) and diabetic macular edema (DME) diseases. Fluid…

Image and Video Processing · Electrical Eng. & Systems 2019-12-30 Elyas Rashno , Abdolreza Rashno , Sadegh Fadaei

Optical coherence tomography (OCT) is a powerful and noninvasive method for retinal imaging. In this paper, we introduce a fast segmentation method based on a new variant of spectral graph theory named diffusion maps. The research is…

Computer Vision and Pattern Recognition · Computer Science 2012-10-09 Raheleh Kafieh , Hossein Rabbani , Michael D. Abramoff , Milan Sonka

Accurate segmentation of the optic disc from a retinal image is vital to extracting retinal features that may be highly correlated with retinal conditions such as glaucoma. In this paper, we propose a deep-learning based approach capable of…

Image and Video Processing · Electrical Eng. & Systems 2020-10-02 Abdullah Sarhan , Ali Al-KhazÁly , Adam Gorner , Andrew Swift , Jon Rokne , Reda Alhajj , Andrew Crichton

Automatic evaluation of the retinal fundus image is emerging as one of the most important tools for early detection and treatment of progressive eye diseases like Glaucoma. Glaucoma results to a progressive degeneration of vision and is…

Image and Video Processing · Electrical Eng. & Systems 2021-12-13 Sneha Dasgupta , Rishav Mukherjee , Kaushik Dutta , Anindya Sen

The Computer-Assisted Diagnosis systems could save workloads and give objective diagnostic to ophthalmologists. At first, feature extraction is a fundamental step. One of these retinal features is the fovea. The fovea is a small fossa on…

Medical Physics · Physics 2020-04-21 Meysam Tavakoli , Patrick Kelley , Mahdieh Nazar , Faraz Kalantari

Diabetic retinopathy (DR) is a leading cause of vision loss, requiring early and accurate assessment to prevent irreversible damage. Spectral Domain Optical Coherence Tomography (SD-OCT) enables high-resolution retinal imaging, but…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 S. Chen , D. Ma , M. Raviselvan , S. Sundaramoorthy , K. Popuri , M. J. Ju , M. V. Sarunic , D. Ratra , M. F. Beg

This paper proposed a retinal image segmentation method based on conditional Generative Adversarial Network (cGAN) to segment optic disc. The proposed model consists of two successive networks: generator and discriminator. The generator…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Vivek Kumar Singh , Hatem Rashwan , Farhan Akram , Nidhi Pandey , Md. Mostaf Kamal Sarker , Adel Saleh , Saddam Abdulwahab , Najlaa Maaroof , Santiago Romani , Domenec Puig

Nasopharyngeal Carcinoma (NPC) is a leading form of Head-and-Neck (HAN) cancer in the Arctic, China, Southeast Asia, and the Middle East/North Africa. Accurate segmentation of Organs-at-Risk (OAR) from Computed Tomography (CT) images with…

Image and Video Processing · Electrical Eng. & Systems 2021-02-04 Wenhui Lei , Haochen Mei , Zhengwentai Sun , Shan Ye , Ran Gu , Huan Wang , Rui Huang , Shichuan Zhang , Shaoting Zhang , Guotai Wang

Visual field tests (VFT) are pivotal for glaucoma diagnosis and conducted regularly to monitor disease progression. Here we address the question to what degree aggregate VFT measurements such as Visual Field Index (VFI) and Mean Deviation…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Stefan Maetschke , Bhavna Antony , Hiroshi Ishikawa , Gadi Wollstein , Joel Schuman , Rahil Garnavi

The accurate segmentation of organs-at-risk (OARs) in head and neck CT images is a critical step for radiation therapy of head and neck cancer patients. However, manual delineation for numerous OARs is time-consuming and laborious, even for…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Shuai Wang , Theodore Yanagihara , Bhishamjit Chera , Colette Shen , Pew-Thian Yap , Jun Lian

Object detection in optical remote sensing images, being a fundamental but challenging problem in the field of aerial and satellite image analysis, plays an important role for a wide range of applications and is receiving significant…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Gong Cheng , Junwei Han

Optical neural networks (ONNs) are emerging as a promising neuromorphic computing paradigm for object recognition, offering unprecedented advantages in light-speed computation, ultra-low power consumption, and inherent parallelism. However,…

Retinopathy of Prematurity (ROP) is an eye disorder primarily affecting premature infants with lower weights. It causes proliferation of vessels in the retina and could result in vision loss and, eventually, retinal detachment, leading to…

Image and Video Processing · Electrical Eng. & Systems 2020-04-06 Alexander Ding , Qilei Chen , Yu Cao , Benyuan Liu

Focusing on the complicated pathological features, such as blurred boundaries, severe scale differences between symptoms, background noise interference, etc., in the task of retinal edema lesions joint segmentation from OCT images and…

Image and Video Processing · Electrical Eng. & Systems 2024-01-03 Meng Wang , Kai Yu , Chun-Mei Feng , Ke Zou , Yanyu Xu , Qingquan Meng , Rick Siow Mong Goh , Yong Liu , Huazhu Fu

Optical coherence tomography angiography (OCTA) is a non-invasive imaging modality that can acquire high-resolution volumes of the retinal vasculature and aid the diagnosis of ocular, neurological and cardiac diseases. Segmenting the…

Optical coherence tomography angiography (OCTA) is a novel imaging modality that has been widely utilized in ophthalmology and neuroscience studies to observe retinal vessels and microvascular systems. However, publicly available OCTA…

Image and Video Processing · Electrical Eng. & Systems 2022-12-27 Mingchao Li , Kun Huang , Qiuzhuo Xu , Jiadong Yang , Yuhan Zhang , Zexuan Ji , Keren Xie , Songtao Yuan , Qinghuai Liu , Qiang Chen