English
Related papers

Related papers: Position-Guided Prompt Learning for Anomaly Detect…

200 papers

Due to the large volume of medical imaging data, advanced AI methodologies are needed to assist radiologists in diagnosing thoracic diseases from chest X-rays (CXRs). Existing deep learning models often require large, labeled datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Prakhar Bhardwaj , Sheethal Bhat , Andreas Maier

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

Localization of chest pathologies in chest X-ray images is a challenging task because of their varying sizes and appearances. We propose a novel weakly supervised method to localize chest pathologies using class aware deep multiscale…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Suman Sedai , Dwarikanath Mahapatra , Zongyuan Ge , Rajib Chakravorty , Rahil Garnavi

Purpose: Manual annotation of gastric X-ray images by doctors for gastritis detection is time-consuming and expensive. To solve this, a self-supervised learning method is developed in this study. The effectiveness of the proposed…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Guang Li , Ren Togo , Takahiro Ogawa , Miki Haseyama

Universal anomaly detection still remains a challenging problem in machine learning and medical image analysis. It is possible to learn an expected distribution from a single class of normative samples, e.g., through epistemic uncertainty…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Johanna P. Müller , Matthew Baugh , Jeremy Tan , Mischa Dombrowski , Bernhard Kainz

Automatic medical image report generation has drawn growing attention due to its potential to alleviate radiologists' workload. Existing work on report generation often trains encoder-decoder networks to generate complete reports. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Jianmo Ni , Chun-Nan Hsu , Amilcare Gentili , Julian McAuley

Anomaly detection is an emerging approach in digital pathology for its ability to efficiently and effectively utilize data for disease diagnosis. While supervised learning approaches deliver high accuracy, they rely on extensively annotated…

Image and Video Processing · Electrical Eng. & Systems 2025-08-22 Jiamu Wang , Keunho Byeon , Jinsol Song , Anh Nguyen , Sangjeong Ahn , Sung Hak Lee , Jin Tae Kwak

This paper presents a novel method for learning reward functions for robotic motions by harnessing the power of a CLIP-based model. Traditional reward function design often hinges on manual feature engineering, which can struggle to…

Robotics · Computer Science 2025-01-30 Xuzhe Dang , Stefan Edelkamp

To facilitate both the detection and the interpretation of findings in chest X-rays, comparison with a previous image of the same patient is very valuable to radiologists. Today, the most common approach for deep learning methods to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Astrid Berg , Eva Vandersmissen , Maria Wimmer , David Major , Theresa Neubauer , Dimitrios Lenis , Jeroen Cant , Annemiek Snoeckx , Katja Bühler

This paper explores the problem of Generalist Anomaly Detection (GAD), aiming to train one single detection model that can generalize to detect anomalies in diverse datasets from different application domains without any further training on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Jiawen Zhu , Guansong Pang

Contrastive Language-Image Pre-training (CLIP) demonstrates strong potential in medical image analysis but requires substantial data and computational resources. Due to these restrictions, existing CLIP applications in medical imaging focus…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Yuexi Du , John Onofrey , Nicha C. Dvornek

We focus on domain and class generalization problems in analyzing optical remote sensing images, using the large-scale pre-trained vision-language model (VLM), CLIP. While contrastively trained VLMs show impressive zero-shot generalization…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Avigyan Bhattacharya , Mainak Singha , Ankit Jha , Biplab Banerjee

Chest X-rays (X-ray images) have been proven to be effective for the diagnosis of chest diseases, including Pneumonia, Lung Opacity, and COVID-19. However, relying on traditional medical methods for diagnosis from X-ray images is prone to…

Image and Video Processing · Electrical Eng. & Systems 2025-10-01 Omar Hesham Khater , Abdullahi Sani Shuaib , Sami Ul Haq , Abdul Jabbar Siddiqui

Contrastive Language-Image Pre-training (CLIP) models have demonstrated superior performance across various visual tasks including medical image classification. However, fairness concerns, including demographic biases, have received limited…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Chenlang Yi , Zizhan Xiong , Qi Qi , Xiyuan Wei , Girish Bathla , Ching-Long Lin , Bobak Jack Mortazavi , Tianbao Yang

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

Adopting contrastive image-text pretrained models like CLIP towards video classification has gained attention due to its cost-effectiveness and competitive performance. However, recent works in this area face a trade-off. Finetuning the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Syed Talal Wasim , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

The chest X-ray (CXR) is one of the most common and easy-to-get medical tests used to diagnose common diseases of the chest. Recently, many deep learning-based methods have been proposed that are capable of effectively classifying CXRs.…

Image and Video Processing · Electrical Eng. & Systems 2023-05-23 Weizhi Nie , Chen Zhang , Dan Song , Lina Zhao , Yunpeng Bai , Keliang Xie , Anan Liu

This paper considers zero-shot Anomaly Detection (AD), performing AD without reference images of the test objects. We propose a framework called CLIP-AD to leverage the zero-shot capabilities of the large vision-language model CLIP.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Xuhai Chen , Jiangning Zhang , Guanzhong Tian , Haoyang He , Wuhao Zhang , Yabiao Wang , Chengjie Wang , Yong Liu

Pre-trained vision-language models (VLMs) are highly adaptable to various downstream tasks through few-shot learning, making prompt-based anomaly detection a promising approach. Traditional methods depend on human-crafted prompts that…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Pi-Wei Chen , Jerry Chun-Wei Lin , Jia Ji , Feng-Hao Yeh , Zih-Ching Chen , Chao-Chun Chen

Background & Purpose: Chest X-Ray (CXR) use in pre-MRI safety screening for Lead-Less Implanted Electronic Devices (LLIEDs), easily overlooked or misidentified on a frontal view (often only acquired), is common. Although most LLIED types…

Image and Video Processing · Electrical Eng. & Systems 2022-04-28 Mutlu Demirer , Richard D. White , Vikash Gupta , Ronnie A. Sebro , Barbaros S. Erdal