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Fundus image classification is crucial in the computer aided diagnosis tasks, but label noise significantly impairs the performance of deep neural networks. To address this challenge, we propose a robust framework, Self-Supervised…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Mengwen Ye , Yingzi Huangfu , You Li , Zekuan Yu

Resonant anomaly detection is a promising framework for model-independent searches for new particles. Weakly supervised resonant anomaly detection methods compare data with a potential signal against a template of the Standard Model (SM)…

高能物理 - 唯象学 · 物理学 2023-06-16 Tobias Golling , Samuel Klein , Radha Mastandrea , Benjamin Nachman

Anomaly detection from a single image is challenging since anomaly data is always rare and can be with highly unpredictable types. With only anomaly-free data available, most existing methods train an AutoEncoder to reconstruct the input…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Yunfei Liu , Chaoqun Zhuang , Feng Lu

Diabetic Retinopathy (DR) is a leading cause of vision loss globally. Yet despite its prevalence, the majority of affected people lack access to the specialized ophthalmologists and equipment required for assessing their condition. This can…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Alexandros Papadopoulos , Fotis Topouzis , Anastasios Delopoulos

Visual surface anomaly detection aims to detect local image regions that significantly deviate from normal appearance. Recent surface anomaly detection methods rely on generative models to accurately reconstruct the normal areas and to fail…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Vitjan Zavrtanik , Matej Kristan , Danijel Skočaj

Unsupervised anomaly detection in brain images is crucial for identifying injuries and pathologies without access to labels. However, the accurate localization of anomalies in medical images remains challenging due to the inherent…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Farzad Beizaee , Gregory Lodygensky , Christian Desrosiers , Jose Dolz

Despite the remarkable success, recent reconstruction-based anomaly detection (AD) methods via diffusion modeling still involve fine-grained noise-strength tuning and computationally expensive multi-step denoising, leading to a fundamental…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Shunsuke Sakai , Xiangteng He , Chunzhi Gu , Leonid Sigal , Tatsuhito Hasegawa

The segmentation of retinal vessels is of significance for doctors to diagnose the fundus diseases. However, existing methods have various problems in the segmentation of the retinal vessels, such as insufficient segmentation of retinal…

计算机视觉与模式识别 · 计算机科学 2018-05-14 Yun Jiang , Ning Tan

Synthesizing anomaly samples has proven to be an effective strategy for self-supervised 2D industrial anomaly detection. However, this approach has been rarely explored in multi-modality anomaly detection, particularly involving 3D and RGB…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Kecen Li , Bingquan Dai , Jingjing Fu , Xinwen Hou

Recent advances in diffusion models have spurred research into their application for Reconstruction-based unsupervised anomaly detection. However, these methods may struggle with maintaining structural integrity and recovering the…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Farzad Beizaee , Gregory A. Lodygensky , Christian Desrosiers , Jose Dolz

Transformer-based methods have demonstrated impressive results in medical image restoration, attributed to the multi-head self-attention (MSA) mechanism in the spatial dimension. However, the majority of existing Transformers conduct…

图像与视频处理 · 电气工程与系统科学 2024-07-15 Zhiwen Yang , Haowei Chen , Ziniu Qian , Yang Zhou , Hui Zhang , Dan Zhao , Bingzheng Wei , Yan Xu

Unsupervised image anomaly detection (UAD) has become a critical process in industrial and medical applications, but it faces growing challenges due to increasing concerns over data privacy. The limited class diversity inherent to one-class…

分布式、并行与集群计算 · 计算机科学 2025-12-30 Silin Chen , Andy Liu , Kangjian Di , Yichu Xu , Han-Jia Ye , Wenhan Luo , Ningmu Zou

An important class of techniques for resonant anomaly detection in high energy physics builds models that can distinguish between reference and target datasets, where only the latter has appreciable signal. Such techniques, including…

高能物理 - 唯象学 · 物理学 2023-08-09 Mayee F. Chen , Benjamin Nachman , Frederic Sala

This study explores the recently proposed and challenging multi-view Anomaly Detection (AD) task. Single-view tasks will encounter blind spots from other perspectives, resulting in inaccuracies in sample-level prediction. Therefore, we…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Haoyang He , Jiangning Zhang , Guanzhong Tian , Chengjie Wang , Lei Xie

Video anomaly detection is a challenging task because most anomalies are scarce and non-deterministic. Many approaches investigate the reconstruction difference between normal and abnormal patterns, but neglect that anomalies do not…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Guodong Shen , Yuqi Ouyang , Victor Sanchez

With the rapid advancement of image generation techniques, robust forgery detection has become increasingly imperative to ensure the trustworthiness of digital media. Recent research indicates that the learned semantic concepts of…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Ziye Wang , Minghang Yu , Chunyan Xu , Zhen Cui

Anomaly detection in medical imaging is essential for identifying rare pathological conditions, particularly when annotated abnormal samples are limited. We propose a hybrid anomaly detection framework that integrates self-supervised…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Pritam Kar , Gouri Lakshmi S , Saptarshi Bej

Deep anomaly detection models using a supervised mode of learning usually work under a closed set assumption and suffer from overfitting to previously seen rare anomalies at training, which hinders their applicability in a real scenario. In…

图像与视频处理 · 电气工程与系统科学 2020-10-26 Behzad Bozorgtabar , Dwarikanath Mahapatra , Guillaume Vray , Jean-Philippe Thiran

The built environment, encompassing critical infrastructure such as bridges and buildings, requires diligent monitoring of unexpected anomalies or deviations from a normal state in captured imagery. Anomaly detection methods could aid in…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Subin Varghese , Vedhus Hoskere

Ultra-Wide-Field (UWF) retinal imaging has revolutionized retinal diagnostics by providing a comprehensive view of the retina. However, it often suffers from quality-degrading factors such as blurring and uneven illumination, which obscure…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Weicheng Liao , Zan Chen , Jianyang Xie , Yalin Zheng , Yuhui Ma , Yitian Zhao