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Retinal blood vessel segmentation can extract clinically relevant information from fundus images. As manual tracing is cumbersome, algorithms based on Convolution Neural Networks have been developed. Such studies have used small publicly…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Jeremiah Fadugba , Patrick Köhler , Lisa Koch , Petru Manescu , Philipp Berens

We introduce a simple and efficient method to enhance and clarify images. More specifically, we deal with low light image enhancement and clarification of hazy imagery (hazy/foggy images, images containing sand dust, and underwater images).…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Alexander Belyaev , Pierre-Alain Fayolle , Michael Cohen

Automatic lung organ segmentation on CT images is crucial for lung disease diagnosis. However, the unlimited voxel values and class imbalance of lung organs can lead to false-negative/positive and leakage issues in advanced methods.…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Sheng Zhang , Yang Nan , Yingying Fang , Shiyi Wang , Xiaodan Xing , Zhifan Gao , Guang Yang

Vascular structures in the retina contain important information for the detection and analysis of ocular diseases, including age-related macular degeneration, diabetic retinopathy and glaucoma. Commonly used modalities in diagnosis of these…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Erick O. Rodrigues , Aura Conci , Panos Liatsis

Automatic segmentation of retinal blood vessels from fundus images plays an important role in the computer aided diagnosis of retinal diseases. The task of blood vessel segmentation is challenging due to the extreme variations in morphology…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Avijit Dasgupta , Sonam Singh

In the last 15 years, the segmentation of vessels in retinal images has become an intensively researched problem in medical imaging, with hundreds of algorithms published. One of the de facto benchmarking data sets of vessel segmentation…

Image and Video Processing · Electrical Eng. & Systems 2021-11-09 György Kovács , Attila Fazekas

Image enhancement plays an important role in several application in the field of computer vision and image processing. Histogram specification (HS) is one of the most widely used techniques for contrast enhancement of an image, which…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Vishal Agarwal , Diwanshu Jain , A. Vamshi Krishna Reddy , Frank Chung-Hoon Rhee

Retinal Vessel Segmentation is important for the diagnosis of various diseases. The research on retinal vessel segmentation focuses mainly on the improvement of the segmentation model which is usually based on U-Net architecture. In our…

Image and Video Processing · Electrical Eng. & Systems 2021-06-01 Enes Sadi Uysal , M. Şafak Bilici , B. Selin Zaza , M. Yiğit Özgenç , Onur Boyar

The detection of vascular structures from noisy images is a fundamental process for extracting meaningful information in many applications. Most well-known vascular enhancing techniques often rely on Hessian-based filters. This paper…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Haifa F. Alhasson , Shuaa S. Alharbi , Boguslaw Obara

Electron microscopy is a powerful tool for visualizing the shapes of sub-nanometer objects. However, contrast is not in proportional to density distribution, and therefore achieving a quantitative understanding of specimens is not…

Instrumentation and Detectors · Physics 2020-05-14 Masato Tomita , Yukinori Nagatani , Kazuyoshi Murata , Atsushi Momose

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

Early identification of stroke is crucial for intervention, requiring reliable models. We proposed an efficient retinal image representation together with clinical information to capture a comprehensive overview of cardiovascular health,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Yuqing Huang , Bastian Wittmann , Olga Demler , Bjoern Menze , Neda Davoudi

Major retinal layer segmentation methods from OCT images assume that the retina is flattened in advance, and thus cannot always deal with retinas that have changes in retinal structure due to ophthalmopathy and/or curvature due to myopia.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Tsubasa Konno , Takahiro Ninomiya , Kanta Miura , Koichi Ito , Noriko Himori , Parmanand Sharma , Toru Nakazawa , Takafumi Aoki

Precision in identifying and differentiating micro and macro blood vessels in the retina is crucial for the diagnosis of retinal diseases, although it poses a significant challenge. Current autoencoding-based segmentation approaches…

Image and Video Processing · Electrical Eng. & Systems 2024-03-05 Rui Yang , Shunpu Zhang

Inability to express the confidence level and detect unseen classes has limited the clinical implementation of artificial intelligence in the real-world. We developed a foundation model with uncertainty estimation (FMUE) to detect 11…

Image and Video Processing · Electrical Eng. & Systems 2024-06-26 Yuanyuan Peng , Aidi Lin , Meng Wang , Tian Lin , Ke Zou , Yinglin Cheng , Tingkun Shi , Xulong Liao , Lixia Feng , Zhen Liang , Xinjian Chen , Huazhu Fu , Haoyu Chen

Image segmentation is a vital part of image processing. Segmentation has its application widespread in the field of medical images in order to diagnose curious diseases. The same medical images can be segmented manually. But the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2010-04-13 M. Gomathi , P. Thangaraj

In the recent advancement of multimedia technologies, it becomes a major concern of detecting visual attention regions in the field of image processing. The popularity of the terminal devices in a heterogeneous environment of the multimedia…

Computer Vision and Pattern Recognition · Computer Science 2012-06-19 Koushik Mondal , Paramartha Dutta , Siddhartha Bhattacharyya

Accurate retinal vessel segmentation provides essential structural information for ophthalmic image analysis. However, existing methods struggle with challenges such as multi-scale vessel variability, complex curvatures, and ambiguous…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Yihao Ouyang , Xunheng Kuang , Mengjia Xiong , Zhida Wang , Yuanquan Wang

This paper presents, for the first time, an image enhancement methodology designed to enhance the clarity of small intestinal villi in Wireless Capsule Endoscopy (WCE) images. This method first separates the low-frequency and high-frequency…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Shaojie Zhang , Yinghui Wang , Peixuan Liu , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim. Atadjanov

Retinal template matching and registration is an important challenge in teleophthalmology with low-cost imaging devices. However, the images from such devices generally have a small field of view (FOV) and image quality degradations, making…

Image and Video Processing · Electrical Eng. & Systems 2018-11-30 Chen Gong , N. Benjamin Erichson , John P. Kelly , Laura Trutoiu , Brian T. Schowengerdt , Steven L. Brunton , Eric J. Seibel