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Recent methods for boundary or edge detection built on Deep Convolutional Neural Networks (CNNs) typically suffer from the issue of predicted edges being thick and need post-processing to obtain crisp boundaries. Highly imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Ruoxi Deng , Chunhua Shen , Shengjun Liu , Huibing Wang , Xinru Liu

Face images captured in real-world low light suffer multiple degradations-low illumination, blur, noise, and low visibility, etc. Existing cascaded solutions often suffer from severe error accumulation, while generic joint models lack…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yilin Ni , Wenjie Li , Zhengxue Wang , Juncheng Li , Guangwei Gao , Jian Yang

Purpose: To assess the utility of deep learning in the detection of geographic atrophy (GA) from color fundus photographs; secondary aim to explore potential utility in detecting central GA (CGA). Design: A deep learning model was developed…

Image and Video Processing · Electrical Eng. & Systems 2019-06-10 Tiarnan D. Keenan , Shazia Dharssi , Yifan Peng , Qingyu Chen , Elvira Agrón , Wai T. Wong , Zhiyong Lu , Emily Y. Chew

Clinical screening with low-quality fundus images is challenging and significantly leads to misdiagnosis. This paper addresses the issue of improving the retinal image quality and vessel segmentation through retinal image restoration. More…

Image and Video Processing · Electrical Eng. & Systems 2022-10-06 Alnur Alimanov , Md Baharul Islam

Compared to contact fingerprint images, contactless fingerprint images exhibit four distinct characteristics: (1) they contain less noise; (2) they have fewer discontinuities in ridge patterns; (3) the ridge-valley pattern is less distinct;…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Mahrukh Siddiqui , Shahzaib Iqbal , Bandar AlShammari , Bandar Alhaqbani , Tariq M. Khan , Imran Razzak

Grayscale image colorization is a fascinating application of AI for information restoration. The inherently ill-posed nature of the problem makes it even more challenging since the outputs could be multi-modal. The learning-based methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Himanshu Kumar , Abeer Banerjee , Sumeet Saurav , Sanjay Singh

Replication studies are essential for validation of new methods, and are crucial to maintain the high standards of scientific publications, and to use the results in practice. We have attempted to replicate the main method in 'Development…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Mike Voets , Kajsa Møllersen , Lars Ailo Bongo

Convolutional Neural Network models have successfully detected retinal illness from optical coherence tomography (OCT) and fundus images. These CNN models frequently rely on vast amounts of labeled data for training, difficult to obtain,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Sourya Dipta Das , Saikat Dutta , Nisarg A. Shah , Dwarikanath Mahapatra , Zongyuan Ge

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

Color fundus photography (CFP) is central to diagnosing and monitoring retinal disease, yet its acquisition variability (e.g., illumination changes) often degrades image quality, which motivates robust enhancement methods. Unpaired…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Xuanzhao Dong , Wenhui Zhu , Yujian Xiong , Xiwen Chen , Hao Wang , Xin Li , Jiajun Cheng , Zhipeng Wang , Shao Tang , Oana Dumitrascu , Yalin Wang

Retinal fundus photography offers a non-invasive way to diagnose and monitor a variety of retinal diseases, but is prone to inherent quality glitches arising from systemic imperfections or operator/patient-related factors. However,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-13 Vamsi Krishna Vasa , Peijie Qiu , Wenhui Zhu , Yujian Xiong , Oana Dumitrascu , Yalin Wang

This paper presents Deep Retinal Image Understanding (DRIU), a unified framework of retinal image analysis that provides both retinal vessel and optic disc segmentation. We make use of deep Convolutional Neural Networks (CNNs), which have…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Kevis-Kokitsi Maninis , Jordi Pont-Tuset , Pablo Arbeláez , Luc Van Gool

Computed Tomography (CT) based precise prostate segmentation for treatment planning is challenging due to (1) the unclear boundary of the prostate derived from CT's poor soft tissue contrast and (2) the limitation of convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2023-07-20 Chengyin Li , Yao Qiang , Rafi Ibn Sultan , Hassan Bagher-Ebadian , Prashant Khanduri , Indrin J. Chetty , Dongxiao Zhu

The cup-to-disc ratio (CDR) is one of the most significant indicator for glaucoma diagnosis. Different from the use of costly fully supervised learning formulation with pixel-wise annotations in the literature, this study investigates the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Juan Wang , Bin Xia

Reliable corner detection is an important task in determining the shape of different regions within an image. Real-life image data are always imprecise due to inherent uncertainties that may arise from the imaging process such as…

Computer Vision and Pattern Recognition · Computer Science 2014-05-22 Erik Cuevas , Daniel Zaldivar , Marco Perez , Edgar Sanchez , Marte Ramirez

Purpose: To investigate the changes in retinal vascular structures associated various stages of myopia by designing automated software based on an artif intelligencemodel. Methods: The study involved 1324 pediatric participants from the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yinzheng Zhao , Zhihao Zhao , Junjie Yang , Li Li , M. Ali Nasseri , Daniel Zapp

Diabetic Retinopathy (DR) affects individuals with long-term diabetes. Without early diagnosis, DR can lead to vision loss. Fundus photography captures the structure of the retina along with abnormalities indicative of the stage of the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Anca Mihai , Adrian Groza

Retinal fundus imaging plays an essential role in diagnosing various stages of diabetic retinopathy, where exudates are critical markers of early disease onset. Prompt detection of these exudates is pivotal for enabling optometrists to…

Image and Video Processing · Electrical Eng. & Systems 2024-08-14 Mujadded Al Rabbani Alif

The resolving ability of widefield fluorescence microscopy is fundamentally limited by out-of-focus background owing to its low axial resolution, particularly for densely labeled biological samples. Although total internal reflection…

The well-aligned attribute of CLIP-based models enables its effective application like CLIPscore as a widely adopted image quality assessment metric. However, such a CLIP-based metric is vulnerable for its delicate multimodal alignment. In…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Yulin Chen , Zeyuan Wang , Tianyuan Yu , Yingmei Wei , Liang Bai
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