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The rising prevalence of vision-threatening retinal diseases poses a significant burden on the global healthcare systems. Deep learning (DL) offers a promising solution for automatic disease screening but demands substantial data.…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Ruoyu Chen , Weiyi Zhang , Bowen Liu , Xiaolan Chen , Pusheng Xu , Shunming Liu , Mingguang He , Danli Shi

The retina provides a unique, noninvasive window into Alzheimer's disease (AD) and dementia, capturing early structural changes through morphometric features, while systemic and lifestyle risk factors reflect well-established contributors…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Seowung Leem , Lin Gu , Chenyu You , Kuang Gong , Ruogu Fang

Graph-based collaborative filtering has been established as a prominent approach in recommendation systems, leveraging the inherent graph topology of user-item interactions to model high-order connectivity patterns and enhance…

Information Retrieval · Computer Science 2025-03-21 Fan Huang , Wei Wang

Importance: Ultra-widefield fundus photography (UWF-FP) has shown utility in sickle cell retinopathy screening; however, image artifact may diminish quality and gradeability of images. Objective: To create an automated algorithm for UWF-FP…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Anqi Feng , Dimitri Johnson , Grace R. Reilly , Loka Thangamathesvaran , Ann Nampomba , Mathias Unberath , Adrienne W. Scott , Craig Jones

Blind deconvolution aims to recover an original image from a blurred version in the case where the blurring kernel is unknown. It has wide applications in diverse fields such as astronomy, microscopy, and medical imaging. Blind…

Numerical Analysis · Mathematics 2024-02-06 Markus Haltmeier , Gyeongha Hwang

Recently, representation learning with contrastive learning algorithms has been successfully applied to challenging unlabeled datasets. However, these methods are unable to distinguish important features from unimportant ones under simply…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Toshiyuki Oshima , Kentaro Takagi , Kouta Nakata

Metal artifacts from high-attenuation implants severely degrade CT image quality, obscuring critical anatomical structures and posing a challenge for standard deep learning methods that require extensive paired training data. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Ahmet Rasim Emirdagi , Süleyman Aslan , Mısra Yavuz , Görkay Aydemir , Yunus Bilge Kurt , Nasrin Rahimi , Burak Can Biner , M. Akın Yılmaz

In this paper, we propose a recurrent framework for Joint Unsupervised LEarning (JULE) of deep representations and image clusters. In our framework, successive operations in a clustering algorithm are expressed as steps in a recurrent…

Computer Vision and Pattern Recognition · Computer Science 2016-06-21 Jianwei Yang , Devi Parikh , Dhruv Batra

Anomaly detection in medical imaging is to distinguish the relevant biomarkers of diseases from those of normal tissues. Deep supervised learning methods have shown potentials in various detection tasks, but its performances would be…

Image and Video Processing · Electrical Eng. & Systems 2021-12-01 Byungjai Kim , Kinam Kwon , Changheun Oh , Hyunwook Park

Most of the achievements in artificial intelligence so far were accomplished by supervised learning which requires numerous annotated training data and thus costs innumerable manpower for labeling. Unsupervised learning is one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Mingxiang Chen , Zhanguo Chang , Haonan Lu , Bitao Yang , Zhuang Li , Liufang Guo , Zhecheng Wang

Supervised deep learning needs a large amount of labeled data to achieve high performance. However, in medical imaging analysis, each site may only have a limited amount of data and labels, which makes learning ineffective. Federated…

Image and Video Processing · Electrical Eng. & Systems 2022-04-26 Yawen Wu , Dewen Zeng , Zhepeng Wang , Yiyu Shi , Jingtong Hu

Brain imaging classification is commonly approached from two perspectives: modeling the full image volume to capture global anatomical context, or constructing ROI-based graphs to encode localized and topological interactions. Although both…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Wei Liang , Lifang He

This paper addresses the emerging task of recognizing multiple retinal diseases from wide-field (WF) and ultra-wide-field (UWF) fundus images. For an effective use of existing large amount of labeled color fundus photo (CFP) data and the…

Image and Video Processing · Electrical Eng. & Systems 2023-10-25 Qijie Wei , Jingyuan Yang , Bo Wang , Jinrui Wang , Jianchun Zhao , Xinyu Zhao , Sheng Yang , Niranchana Manivannan , Youxin Chen , Dayong Ding , Jing Zhou , Xirong Li

We propose a simple strategy for masking image patches during visual-language contrastive learning that improves the quality of the learned representations and the training speed. During each iteration of training, we randomly mask clusters…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Zihao Wei , Zixuan Pan , Andrew Owens

Current image quality assessment methods are heavily biased towards global distortions (e.g., noise, blur), neglecting local perceptual artifacts such as ghosting, lens flare, and moire effects. Although significant progress has been made…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Juan Wang , Xinyu Sun , Ke Zhang , Jin Wang , Bing Li , Weiming Hu , Liang Wang

Skeleton-based action recognition aims to project skeleton sequences to action categories, where skeleton sequences are derived from multiple forms of pre-detected points. Compared with earlier methods that focus on exploring single-form…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Xuanhan Wang , Yan Dai , Lianli Gao , Jingkuan Song

Recent studies show that graph neural networks (GNNs) are prevalent to model high-order relationships for collaborative filtering (CF). Towards this research line, graph contrastive learning (GCL) has exhibited powerful performance in…

Information Retrieval · Computer Science 2024-02-27 Xubin Ren , Lianghao Xia , Jiashu Zhao , Dawei Yin , Chao Huang

Image quality control (IQC) can be used in automated magnetic resonance (MR) image analysis to exclude erroneous results caused by poorly acquired or artifact-laden images. Existing IQC methods for MR imaging generally require human effort…

Image and Video Processing · Electrical Eng. & Systems 2023-02-02 Lianrui Zuo , Yuan Xue , Blake E. Dewey , Yihao Liu , Jerry L. Prince , Aaron Carass

Current developments in computer vision and deep learning allow to automatically generate hyper-realistic images, hardly distinguishable from real ones. In particular, human face generation achieved a stunning level of realism, opening new…

Computer Vision and Pattern Recognition · Computer Science 2019-10-08 Francesco Marra , Cristiano Saltori , Giulia Boato , Luisa Verdoliva

Deep neural networks (DNNs) have achieved remarkable success in computer vision tasks such as image classification, segmentation, and object detection. However, they are vulnerable to adversarial attacks, which can cause incorrect…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Suklav Ghosh , Sonal Kumar , Arijit Sur