English
Related papers

Related papers: Weakly Supervised Anomaly Detection for Chest X-Ra…

200 papers

Chest radiography (CXR) is the most widely-used thoracic clinical imaging modality and is crucial for guiding the management of cardiothoracic conditions. The detection of specific CXR findings has been the main focus of several artificial…

We propose a data collecting and annotation pipeline that extracts information from Vietnamese radiology reports to provide accurate labels for chest X-ray (CXR) images. This can benefit Vietnamese radiologists and clinicians by annotating…

Image and Video Processing · Electrical Eng. & Systems 2023-01-11 Thao T. B. Nguyen , Tam M. Vo , Thang V. Nguyen , Hieu H. Pham , Ha Q. Nguyen

Computed tomography (CT) and chest X-ray (CXR) have been the two dominant imaging modalities deployed for improved management of Coronavirus disease 2019 (COVID-19). Due to faster imaging, less radiation exposure, and being cost-effective…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Xiao Qi , John L. Nosher , David J. Foran , Ilker Hacihaliloglu

Medical image analysis tasks often focus on regions or structures located in a particular location within the patient's body. Often large parts of the image may not be of interest for the image analysis task. When using deep-learning based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Thomas Buddenkotte , Roland Opfer , Julia Krüger , Alessa Hering , Mireia Crispin-Ortuzar

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…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Behzad Bozorgtabar , Dwarikanath Mahapatra , Guillaume Vray , Jean-Philippe Thiran

Chest X-ray (CXR) is frequently employed in emergency departments and intensive care units to verify the proper placement of central lines and tubes and to rule out related complications. The automation of the X-ray reading process can be a…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Francesca Boccardi , Axel Saalbach , Heinrich Schulz , Samuele Salti , Ilyas Sirazitdinov

Chest X-ray (CXR) interpretation is hindered by the long-tailed distribution of pathologies and the open-world nature of clinical environments. Existing benchmarks often rely on closed-set classes from a single institution, failing to…

Anisotropic multi-slice Cardiac Magnetic Resonance (CMR) Images are conventionally acquired in patient-specific short-axis (SAX) orientation. In specific cardiovascular diseases that affect right ventricular (RV) morphology, acquisitions in…

Detecting anomalous regions in images is a frequently encountered problem in industrial monitoring. A relevant example is the analysis of tissues and other products that in normal conditions conform to a specific texture, while defects…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Andrea Bionda , Luca Frittoli , Giacomo Boracchi

Unsupervised anomaly detection in medical images such as chest radiographs is stepping into the spotlight as it mitigates the scarcity of the labor-intensive and costly expert annotation of anomaly data. However, nearly all existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Behzad Bozorgtabar , Dwarikanath Mahapatra , Jean-Philippe Thiran

Recent advancements in industrial anomaly detection (AD) have demonstrated that incorporating a small number of anomalous samples during training can significantly enhance accuracy. However, this improvement often comes at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Hanxi Li , Jingqi Wu , Deyin Liu , Lin Wu , Hao Chen , Mingwen Wang , Chunhua Shen

Unsupervised anomaly detection aims to identify anomalies without pixel-level annotations. Synthetic anomaly-based methods exhibit a unique capacity to introduce controllable irregularities with known masks, enabling explicit supervision…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Qinyi Cao , Jianan Fan , Weidong Cai

The deployment of automated systems to diagnose diseases from medical images is challenged by the requirement to localise the diagnosed diseases to justify or explain the classification decision. This requirement is hard to fulfil because…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Renato Hermoza , Gabriel Maicas , Jacinto C. Nascimento , Gustavo Carneiro

In the last few years, deep learning classifiers have shown promising results in image-based medical diagnosis. However, interpreting the outputs of these models remains a challenge. In cancer diagnosis, interpretability can be achieved by…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Kangning Liu , Yiqiu Shen , Nan Wu , Jakub Chłędowski , Carlos Fernandez-Granda , Krzysztof J. Geras

Radiography imaging protocols focus on particular body regions, therefore producing images of great similarity and yielding recurrent anatomical structures across patients. Exploiting this structured information could potentially ease the…

Image and Video Processing · Electrical Eng. & Systems 2024-03-14 Tiange Xiang , Yixiao Zhang , Yongyi Lu , Alan Yuille , Chaoyi Zhang , Weidong Cai , Zongwei Zhou

Unsupervised anomaly detection (UAD) learns one-class classifiers exclusively with normal (i.e., healthy) images to detect any abnormal (i.e., unhealthy) samples that do not conform to the expected normal patterns. UAD has two main…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Yu Tian , Guansong Pang , Fengbei Liu , Yuanhong chen , Seon Ho Shin , Johan W. Verjans , Rajvinder Singh , Gustavo Carneiro

Chest X-ray (CXR) interpretation is hindered by the long-tailed distribution of pathologies and the open-world nature of clinical environments. Existing benchmarks often rely on closed-set classes from single institutions, failing to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Hexin Dong , Yi Lin , Pengyu Zhou , Xuan Zhong Feng , Alan Clint Legasto , Mingquan Lin , Hao Chen , Yuzhe Yang , George Shih , Yifan Peng

The increasing complexity of medical imaging data underscores the need for advanced anomaly detection methods to automatically identify diverse pathologies. Current methods face challenges in capturing the broad spectrum of anomalies, often…

Image and Video Processing · Electrical Eng. & Systems 2024-01-22 Cosmin I. Bercea , Benedikt Wiestler , Daniel Rueckert , Julia A. Schnabel

Weakly supervised video anomaly detection (WSVAD) is a challenging task since only video-level labels are available for training. In previous studies, the discriminative power of the learned features is not strong enough, and the data…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Congqi Cao , Xin Zhang , Shizhou Zhang , Peng Wang , Yanning Zhang

Robust anatomical segmentation of chest X-rays (CXRs) remains challenging due to the scarcity of comprehensive annotations and the substantial variability of real-world acquisition conditions. We propose AnyCXR, a unified framework that…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Zifei Dong , Wenjie Wu , Jinkui Hao , Tianqi Chen , Ziqiao Weng , Bo Zhou