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Vessel structure is one of the most important parts of the retina which physicians can detect many diseases by analysing its features. Localization of blood vessels in retina images is an important process in medical image analysis. This…

Image and Video Processing · Electrical Eng. & Systems 2024-01-09 Vahid Mohammadi Safarzadeh

Retinal fundus images are widely used for the clinical screening and diagnosis of eye diseases. However, fundus images captured by operators with various levels of experience have a large variation in quality. Low-quality fundus images…

Image and Video Processing · Electrical Eng. & Systems 2020-12-10 Ziyi Shen , Huazhu Fu , Jianbing Shen , Ling Shao

Low-light images often suffer from noise and color distortion. Object detection, semantic segmentation, instance segmentation, and other tasks are challenging when working with low-light images because of image noise and chromatic…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Xiaochun Lei , Weiliang Mai , Junlin Xie , He Liu , Zetao Jiang , Zhaoting Gong , Chang Lu , Linjun Lu

Glaucoma is one of the leading causes of vision impairment. Digital imaging techniques, such as color fundus photography (CFP) and optical coherence tomography (OCT), provide quantitative and noninvasive methods for glaucoma diagnosis.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Zhiyuan Yang , Bo Zhang , Yufei Shi , Ningze Zhong , Johnathan Loh , Huihui Fang , Yanwu Xu , Si Yong Yeo

Dynamic Contrast-enhanced magnetic resonance imaging (DCE-MRI) is a tissue perfusion imaging technique. Some versatile free-breathing DCE-MRI techniques combining compressed sensing (CS) and parallel imaging with golden-angle radial…

Medical Physics · Physics 2020-07-08 Yuhan Hu , Xinlin Zhang , Li Feng , Dicheng Chen , Zhiping Yan , Xiaoyong Shen , Gen Yan , Lin Ou-yang , Xiaobo Qu

Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) is essential for breast cancer diagnosis due to its ability to characterize tissue through contrast agent kinetics. However, traditional DCE-MRI protocols require multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Ruben D. Fonnegra , Maria Liliana Hernández , Juan C. Caicedo , Gloria M. Díaz

Image fusion is the process of integrating multiple images of the same scene into a single fused image to reduce uncertainty and minimizing redundancy while extracting all the useful information from the source images. Image fusion process…

Computer Vision and Pattern Recognition · Computer Science 2012-12-04 D. Srinivasa Rao , M. Seetha , M. H. M. Krishna Prasad

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…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Jan Kukačka , Anja Zenz , Marcel Kollovieh , Dominik Jüstel , Vasilis Ntziachristos

Enhancement, followed by segmentation, quantification and modelling, of blood vessels in retinal images plays an essential role in computer-aid retinopathy diagnosis. In this paper, we introduce a new vessel enhancement method which is the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Çiğdem Sazak , Carl J. Nelson , Boguslaw Obara

Analyzing the morphological attributes of blood vessels plays a critical role in the computer-aided diagnosis of many cardiovascular and ophthalmologic diseases. Although being extensively studied, segmentation of blood vessels,…

Image and Video Processing · Electrical Eng. & Systems 2020-10-12 Yicheng Wu , Chengwei Pan , Shuqi Wang , Ming Zhang , Yong Xia , Yizhou Yu

Unpaired image dehazing (UID) holds significant research importance due to the challenges in acquiring haze/clear image pairs with identical backgrounds. This paper proposes a novel method for UID named Orthogonal Decoupling Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zhongze Wang , Haitao Zhao , Jingchao Peng , Lujian Yao , Kaijie Zhao

This paper presents a new method, called FlexiCurve, for photo enhancement. Unlike most existing methods that perform image-to-image mapping, which requires expensive pixel-wise reconstruction, FlexiCurve takes an input image and estimates…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Chongyi Li , Chunle Guo , Qiming Ai , Shangchen Zhou , Chen Change Loy

In the field of 3D object detection tasks, fusing heterogeneous features from LiDAR and camera sensors into a unified Bird's Eye View (BEV) representation is a widely adopted paradigm. However, existing methods often suffer from imprecise…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Ziying Song , Hongyu Pan , Feiyang Jia , Yongchang Zhang , Lin Liu , Lei Yang , Shaoqing Xu , Peiliang Wu , Caiyan Jia , Zheng Zhang , Yadan Luo

Fully convolutional neural networks (F-CNNs) have set the state-of-the-art in image segmentation for a plethora of applications. Architectural innovations within F-CNNs have mainly focused on improving spatial encoding or network…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Abhijit Guha Roy , Nassir Navab , Christian Wachinger

Accurate multi-class segmentation is a long-standing challenge in medical imaging, especially in scenarios where classes share strong similarity. Segmenting retinal blood vessels in retinal photographs is one such scenario, in which…

Image and Video Processing · Electrical Eng. & Systems 2021-12-10 Yukun Zhou , Moucheng Xu , Yipeng Hu , Hongxiang Lin , Joseph Jacob , Pearse A. Keane , Daniel C. Alexander

The appearance and structure of blood vessels in retinal images have an important role in diagnosis of diseases. This paper proposes a method for automatic retinal vessel segmentation. In this work, a novel preprocessing based on local…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Saeid Fazli , Sevin Samadi

A novel method of color image enhancement is proposed, in which three or four color channels of the image are transformed to one channel 2-D grayscale image. This paper describes different models of such transformations in the RGB and other…

Image and Video Processing · Electrical Eng. & Systems 2018-07-24 Artyom M Grigoryan , Aparna John , Sos S Agaian

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Aashis Khanal , Rolando Estrada

Synthetic images are an option for augmenting limited medical imaging datasets to improve the performance of various machine learning models. A common metric for evaluating synthetic image quality is the Fr\'echet Inception Distance (FID)…

Image and Video Processing · Electrical Eng. & Systems 2025-07-30 Thomas Wallace , Ik Siong Heng , Senad Subasic , Chris Messenger

Magnetic resonance imaging (MRI) is a leading modality for the diagnosis of liver cancer, significantly improving the classification of the lesion and patient outcomes. However, traditional MRI faces challenges including risks from contrast…

Image and Video Processing · Electrical Eng. & Systems 2025-08-14 Xiaojiao Xiao , Jianfeng Zhao , Qinmin Vivian Hu , Guanghui Wang
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