English
Related papers

Related papers: NuI-Go: Recursive Non-Local Encoder-Decoder Networ…

200 papers

Illumination degradation image restoration (IDIR) techniques aim to improve the visibility of degraded images and mitigate the adverse effects of deteriorated illumination. Among these algorithms, diffusion model (DM)-based methods have…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Chunming He , Chengyu Fang , Yulun Zhang , Tian Ye , Kai Li , Longxiang Tang , Zhenhua Guo , Xiu Li , Sina Farsiu

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…

Image and Video Processing · Electrical Eng. & Systems 2023-02-07 Wenhui Zhu , Peijie Qiu , Mohammad Farazi , Keshav Nandakumar , Oana M. Dumitrascu , Yalin Wang

Objective: Diabetic macular edema (DME) is the leading cause of severe visual impairment in patients with diabetes. Quantification of retinal fluid, particularly intraretinal fluid (IRF) and subretinal fluid (SRF), plays a critical role in…

Image and Video Processing · Electrical Eng. & Systems 2026-04-27 Zijun Lei , Zikang Xu , Liang Zhang , Ge Song , Hanyu Guo , Dan Cao , Yujia Zhou , Qianjin Feng

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…

Image and Video Processing · Electrical Eng. & Systems 2025-02-28 Yuhan Tang , Yudian Wang , Weizhen Li , Ye Yue , Chengchang Pan , Honggang Qi

In recent years, there has been a growing interest in low-light image enhancement (LLIE) due to its importance for critical downstream tasks. Current Retinex-based methods and learning-based approaches have shown significant LLIE…

Image and Video Processing · Electrical Eng. & Systems 2026-01-21 Yasin Demir , Nur Hüseyin Kaplan , Sefa Kucuk , Nagihan Severoglu

Restoring images affected by various types of degradation, such as noise, blur, or improper exposure, remains a significant challenge in computer vision. While recent trends favor complex monolithic all-in-one architectures, these models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Joanna Wiekiera , Martyna Zur

The following three factors restrict the application of existing low-light image enhancement methods: unpredictable brightness degradation and noise, inherent gap between metric-favorable and visual-friendly versions, and the limited paired…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Shuzhou Yang , Moxuan Ding , Yanmin Wu , Zihan Li , Jian Zhang

Convolutional neural network has recently achieved great success for image restoration (IR) and also offered hierarchical features. However, most deep CNN based IR models do not make full use of the hierarchical features from the original…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Yulun Zhang , Yapeng Tian , Yu Kong , Bineng Zhong , Yun Fu

Removing undesired reflections from a photo taken in front of glass is of great importance for enhancing visual computing systems' efficiency. Previous learning-based approaches have produced visually plausible results for some reflections…

Image and Video Processing · Electrical Eng. & Systems 2021-03-31 Sutanu Bera , Prabir Kumar Biswas

The diabetic retinopathy is timely diagonalized through color eye fundus images by experienced ophthalmologists, in order to recognize potential retinal features and identify early-blindness cases. In this paper, it is proposed to extract…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Ibrahim Sadek , Mohamed Elawady , Abd El Rahman Shabayek

Universal image restoration (UIR) aims to recover clean images from diverse and unknown degradations using a unified model. Existing UIR methods primarily focus on pixel reconstruction and often lack explicit diagnostic reasoning over…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Wending Yan , Rongkai Zhang , Kaihua Tang , Yu Cheng , Qiankun Liu

Retinal fundus photographs have been used in the diagnosis of many ocular diseases such as glaucoma, pathological myopia, age-related macular degeneration and diabetic retinopathy. With the development of computer science, computer aided…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Jun Cheng , Zhengguo Li , Zaiwang Gu , Huazhu Fu , Damon Wing Kee Wong , Jiang Liu

Automatic blood vessel segmentation from retinal images plays an important role in the diagnosis of many systemic and eye diseases, including retinopathy of prematurity. Current state-of-the-art research in blood vessel segmentation from…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Gorana Gojić , Veljko Petrović , Radovan Turović , Dinu Dragan , Ana Oros , Dušan Gajić , Nebojša Horvat

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

Retinal image segmentation plays an important role in automatic disease diagnosis. This task is very challenging because the complex structure and texture information are mixed in a retinal image, and distinguishing the information is…

Image and Video Processing · Electrical Eng. & Systems 2020-08-04 Shihao Zhang , Huazhu Fu , Yanwu Xu , Yanxia Liu , Mingkui Tan

Noisy data and the similarity in the ocular appearances caused by different ophthalmic pathologies pose significant challenges for an automated expert system to accurately detect retinal diseases. In addition, the lack of knowledge…

Image and Video Processing · Electrical Eng. & Systems 2021-10-20 Sharif Amit Kamran , Alireza Tavakkoli , Stewart Lee Zuckerbrod

We propose to learn a fully-convolutional network model that consists of a Chain of Identity Mapping Modules and residual on the residual architecture for image denoising. Our network structure possesses three distinctive features that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Saeed Anwar , Cong Phuoc Huynh , Fatih Porikli

When imaging through a semi-reflective medium such as glass, the reflection of another scene can often be found in the captured images. It degrades the quality of the images and affects their subsequent analyses. In this paper, a novel deep…

Image and Video Processing · Electrical Eng. & Systems 2022-08-11 Tingtian Li , Yuk-Hee Chan , Daniel P. K. Lun

Diabetic Retinopathy (DR) is a leading cause of preventable blindness among working-age adults worldwide, yet most automated screening systems are limited to image-level classification and lack clinically structured reporting. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Abdelrahman Zaian , Sheethal Bhat , Mohamed Abdalkader , Andreas Maier

Addressing the issues of severe noise and high frequency structural degradation in visible images under low-light conditions, this paper proposes a Near Infrared (NIR) aided low light image restoration method based on Frequency Decoupled…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Ligen Shi , Zengyu Pang , Chang Liu , Shuchen Sun , Jun Qiu