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Decreased visibility, intensive noise, and biased color are the common problems existing in low-light images. These visual disturbances further reduce the performance of high-level vision tasks, such as object detection, and tracking. To…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Hao Chen , Zhi Jin

Retinal blood vessel segmentation is crucial for diagnosing ocular and cardiovascular diseases. Although the introduction of U-Net in 2015 by Olaf Ronneberger significantly advanced this field, yet issues like limited training data,…

图像与视频处理 · 电气工程与系统科学 2025-06-04 Md Tauhidul Islam , Wu Da-Wen , Tang Qing-Qing , Zhao Kai-Yang , Yin Teng , Li Yan-Fei , Shang Wen-Yi , Liu Jing-Yu , Zhang Hai-Xian

Accurate retinal vessel segmentation is a challenging problem in color fundus image analysis. An automatic retinal vessel segmentation system can effectively facilitate clinical diagnosis and ophthalmological research. Technically, this…

图像与视频处理 · 电气工程与系统科学 2021-03-26 Muyi Sun , Guanhong Zhang

With the advancements in medical artificial intelligence (AI), fundus image classifiers are increasingly being applied to assist in ophthalmic diagnosis. While existing classification models have achieved high accuracy on specific fundus…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Yuzhuo Zhou , Chi Liu , Sheng Shen , Siyu Le , Liwen Yu , Sihan Ouyang , Zongyuan Ge

Parkinson's disease (PD) is a prevalent neurodegenerative disorder globally. The eye's retina is an extension of the brain and has great potential in PD screening. Recent studies have suggested that texture features extracted from retinal…

图像与视频处理 · 电气工程与系统科学 2025-03-26 Xiaoqing Zhang , Hanfeng Shi , Xiangyu Li , Haili Ye , Tao Xu , Na Li , Yan Hu , Fan Lv , Jiangfan Chen , Jiang Liu

Neural Radiance Field (NeRF) is a promising approach for synthesizing novel views, given a set of images and the corresponding camera poses of a scene. However, images photographed from a low-light scene can hardly be used to train a NeRF…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Haoyuan Wang , Xiaogang Xu , Ke Xu , Rynson WH. Lau

Fundus photography is the primary method for retinal imaging and essential for diabetic retinopathy prevention. Automated segmentation of fundus photographs would improve the quality, capacity, and cost-effectiveness of eye care screening…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Jan Kukačka , Anja Zenz , Marcel Kollovieh , Dominik Jüstel , Vasilis Ntziachristos

Fundus image quality is crucial for diagnosing eye diseases, but real-world conditions often result in blurred or unreadable images, increasing diagnostic uncertainty. To address these challenges, this study proposes RetinaRegen, a hybrid…

图像与视频处理 · 电气工程与系统科学 2025-02-28 Yuhan Tang , Yudian Wang , Weizhen Li , Ye Yue , Chengchang Pan , Honggang Qi

Tapered optical fibers (TFs), with diameters gradually reduced from hundreds of microns to the micron scale, offer key advantages over conventional flat optical fibers (FFs), including uniform illumination, efficient long-range signal…

光学 · 物理学 2026-02-03 Mingliang Xu , Fangyuan Li , Yuxin Leng , Ruxin Li , Fei He

Retinal diseases can cause irreversible vision loss in both eyes if not diagnosed and treated early. Since retinal diseases are so complicated, retinal imaging is likely to show two or more abnormalities. Current deep learning techniques…

图像与视频处理 · 电气工程与系统科学 2024-07-04 Tariq M Khan , Shahzaib Iqbal , Syed S. Naqvi , Imran Razzak , Erik Meijering

Motivated by their recent advances, deep learning techniques have been widely applied to low-light image enhancement (LIE) problem. Among which, Retinex theory based ones, mostly following a decomposition-adjustment pipeline, have taken an…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Xinyi Liu , Qi Xie , Qian Zhao , Hong Wang , Deyu Meng

Real-world non-mydriatic retinal fundus photography is prone to artifacts, imperfections and low-quality when certain ocular or systemic co-morbidities exist. Artifacts may result in inaccuracy or ambiguity in clinical diagnoses. In this…

图像与视频处理 · 电气工程与系统科学 2023-02-07 Wenhui Zhu , Peijie Qiu , Mohammad Farazi , Keshav Nandakumar , Oana M. Dumitrascu , Yalin Wang

The difficulties of underwater image degradation due to light scattering, absorption, and fog-like particles which lead to low resolution and poor visibility are discussed in this study report. We suggest a sophisticated hybrid strategy…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Yugandhar Reddy Gogireddy , Jithendra Reddy Gogireddy

Fluorescence Molecular Tomography (FMT) is a promising technique for non-invasive 3D visualization of fluorescent probes, but its reconstruction remains challenging due to the inherent ill-posedness and reliance on inaccurate or…

图像与视频处理 · 电气工程与系统科学 2025-11-07 Shihan Zhao , Jianru Zhang , Yanan Wu , Linlin Li , Siyuan Shen , Xingjun Zhu , Guoyan Zheng , Jiahua Jiang , Wuwei Ren

In this paper, we propose a novel low-light image enhancement method aimed at improving the performance of recognition models. Despite recent advances in deep learning, the recognition of images under low-light conditions remains a…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Current color fundus image registration approaches are limited, among other things, by the lack of labeled data, which is even more significant in the medical domain, motivating the use of unsupervised learning. Therefore, in this work, we…

计算机视觉与模式识别 · 计算机科学 2026-03-12 David Rivas-Villar , Álvaro S. Hervella , José Rouco , Jorge Novo

Segmentation of retinal vessels from retinal fundus images is the key step in the automatic retinal image analysis. In this paper, we propose a new unsupervised automatic method to segment the retinal vessels from retinal fundus images.…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Renoh Johnson Chalakkal , Waleed Abdulla

Medical ultrasound provides images which are the spatial map of the tissue echogenicity. Unfortunately, an ultrasound image is a low-quality version of the expected Tissue Reflectivity Function (TRF) mainly due to the non-ideal Point Spread…

图像与视频处理 · 电气工程与系统科学 2021-09-28 Sobhan Goudarzi , Hassan Rivaz

Recently, Neural Radiance Fields (NeRF) have emerged as a potent method for synthesizing novel views from a dense set of images. Despite its impressive performance, NeRF is plagued by its necessity for numerous calibrated views and its…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Jiayang Bai , Letian Huang , Wen Gong , Jie Guo , Yanwen Guo

Under challenging light conditions, captured images often suffer from various degradations, leading to a decline in the performance of vision-based applications. Although numerous methods have been proposed to enhance image quality, they…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Jing Tao , You Li , Banglei Guan , Yang Shang , Qifeng Yu