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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

Glaucoma is a leading cause of irreversible blindness, but early detection can significantly improve treatment outcomes. Traditional diagnostic methods are often invasive and require specialized equipment. In this work, we present a deep…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Rishiraj Paul Chowdhury , Nirmit Shekar Karkera

We propose a novel approach to the important fundamental problem of detecting weak optical fields at the few photon level. The ability to detect with high efficiency (>99%), and to distinguish the number of photons in a given time interval…

Quantum Physics · Physics 2009-11-07 Daniel James , Paul Kwiat

Cameras can be used to perceive the environment around the vehicle, while affordable radar sensors are popular in autonomous driving systems as they can withstand adverse weather conditions unlike cameras. However, radar point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Kavin Chandrasekaran , Sorin Grigorescu , Gijs Dubbelman , Pavol Jancura

Recent advances in image data processing through machine learning and especially deep neural networks (DNNs) allow for new optimization and performance-enhancement schemes for radiation detectors and imaging hardware through data-endowed…

Instrumentation and Detectors · Physics 2024-02-23 S. Lin , S. Ning , H. Zhu , T. Zhou , C. L. Morris , S. Clayton , M. Cherukara , R. T. Chen , Z. Wang

Diagnosing different retinal diseases from Spectral Domain Optical Coherence Tomography (SD-OCT) images is a challenging task. Different automated approaches such as image processing, machine learning and deep learning algorithms have been…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Sharif Amit Kamran , Sourajit Saha , Ali Shihab Sabbir , Alireza Tavakkoli

Multispectral image pairs can provide the combined information, making object detection applications more reliable and robust in the open world. To fully exploit the different modalities, we present a simple yet effective cross-modality…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Fang Qingyun , Han Dapeng , Wang Zhaokui

Fundus image segmentation on unseen domains is challenging, especially for the over-parameterized deep models trained on the small medical datasets. To address this challenge, we propose a method named Adaptive Feature-fusion Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Jiyuan Zhong , Hu Ke , Ming Yan

We propose an automatic diabetic retinopathy (DR) analysis algorithm based on two-stages deep convolutional neural networks (DCNN). Compared to existing DCNN-based DR detection methods, the proposed algorithm have the following advantages:…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Yehui Yang , Tao Li , Wensi Li , Haishan Wu , Wei Fan , Wensheng Zhang

To investigate whether and to what extent central serous chorioretinopathy (CSC) depicted on color fundus photographs can be assessed using deep learning technology. We collected a total of 2,504 fundus images acquired on different…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Yi Zhen , Hang Chen , Xu Zhang , Meng Liu , Xin Meng , Jian Zhang , Jiantao Pu

The Convolutional Neural Network (CNN) is a state-of-the-art architecture for a wide range of deep learning problems, the quintessential example of which is computer vision. CNNs principally employ the convolution operation, which can be…

Image and Video Processing · Electrical Eng. & Systems 2021-03-17 Edward Cottle , Florent Michel , Joseph Wilson , Nick New , Iman Kundu

Optical Coherence Tomography (OCT) is the primary imaging modality for detecting pathological biomarkers associated to retinal diseases such as Age-Related Macular Degeneration. In practice, clinical diagnosis and treatment strategies are…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Thomas Kurmann , Pablo Márquez-Neila , Siqing Yu , Marion Munk , Sebastian Wolf , Raphael Sznitman

Purpose: The integration of multimodal imaging into operating rooms paves the way for comprehensive surgical scene understanding. In ophthalmic surgery, by now, two complementary imaging modalities are available: operating microscope (OPMI)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Nikolo Rohrmoser , Ghazal Ghazaei , Michael Sommersperger , Nassir Navab

This paper studies the problem of detecting and segmenting acute intracranial hemorrhage on head computed tomography (CT) scans. We propose to solve both tasks as a semantic segmentation problem using a patch-based fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Weicheng Kuo , Christian Häne , Esther Yuh , Pratik Mukherjee , Jitendra Malik

Glaucoma is a serious ocular disorder for which the screening and diagnosis are carried out by the examination of the optic nerve head (ONH). The color fundus image (CFI) is the most common modality used for ocular screening. In CFI, the…

Image and Video Processing · Electrical Eng. & Systems 2019-02-05 Sharath M Shankaranarayana , Keerthi Ram , Kaushik Mitra , Mohanasankar Sivaprakasam

We present CT-Bound, a robust and fast boundary detection method for very noisy images using a hybrid Convolution and Transformer neural network. The proposed architecture decomposes boundary estimation into two tasks: local detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Wei Xu , Junjie Luo , Qi Guo

In this paper, we propose FCHD-Fully Convolutional Head Detector, an end-to-end trainable head detection model. Our proposed architecture is a single fully convolutional network which is responsible for both bounding box prediction and…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Aditya Vora , Vinay Chilaka

The morphology and hierarchy of the vascular systems are essential for perfusion in supporting metabolism. In human retina, one of the most energy-demanding organs, retinal circulation nourishes the entire inner retina by an intricate…

Image and Video Processing · Electrical Eng. & Systems 2024-02-16 Siyi Chen , Amir H. Kashani , Ji Yi

Vessel segmentation in fundus is a key diagnostic capability in ophthalmology, and there are various challenges remained in this essential task. Early approaches indicate that it is often difficult to obtain desirable segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Shaoming Zheng , Tianyang Zhang , Jiawei Zhuang , Hao Wang , Jiang Liu

Red-lesions, microaneurysms (MAs) and hemorrhages (HMs), are the early signs of diabetic retinopathy (DR). The automatic detection of MAs and HMs on retinal fundus images is a challenging task. Most of the existing methods detect either…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Norah Asiri , Muhammad Hussain , Fadwa Al Adel