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Methods based on supervised learning using annotations in an end-to-end fashion have been the state-of-the-art for classification problems. However, they may be limited in their generalization capability, especially in the low data regime.…

Sound · Computer Science 2023-08-14 Ilyass Moummad , Nicolas Farrugia

Recent self-supervised contrastive learning methods greatly benefit from the Siamese structure that aims to minimizing distances between positive pairs. These methods usually apply random data augmentation to input images, expecting the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Sheng Wang , Zixu Zhuang , Xi Ouyang , Lichi Zhang , Zheren Li , Chong Ma , Tianming Liu , Dinggang Shen , Qian Wang

We perform a comprehensive benchmarking of contrastive frameworks for learning multimodal representations in the medical domain. Through this study, we aim to answer the following research questions: (i) How transferable are general-domain…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Shuvendu Roy , Yasaman Parhizkar , Franklin Ogidi , Vahid Reza Khazaie , Michael Colacci , Ali Etemad , Elham Dolatabadi , Arash Afkanpour

Chest radiography is climacteric in identifying different pulmonary diseases, yet radiologist workload and inefficiency can lead to misdiagnoses. Automatic, accurate, and efficient segmentation of lung from X-ray images of chest is…

Image and Video Processing · Electrical Eng. & Systems 2024-12-17 Sharmin Akter

Automated generation of clinically accurate radiology reports can improve patient care. Previous report generation methods that rely on image captioning models often generate incoherent and incorrect text due to their lack of relevant…

Understanding the severity of conditions shown in images in medical diagnosis is crucial, serving as a key guide for clinical assessment, treatment, as well as evaluating longitudinal progression. This paper proposes Con- PrO: a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Hong Nguyen , Hoang Nguyen , Melinda Chang , Hieu Pham , Shrikanth Narayanan , Michael Pazzani

Due to the common content of anatomy, radiology images with their corresponding reports exhibit high similarity. Such inherent data bias can predispose automatic report generation models to learn entangled and spurious representations…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Mingjie Li , Haokun Lin , Liang Qiu , Xiaodan Liang , Ling Chen , Abdulmotaleb Elsaddik , Xiaojun Chang

Recent works show that Generative Adversarial Networks (GANs) can be successfully applied to chest X-ray data augmentation for lung disease recognition. However, the implausible and distorted pathology features generated from the less than…

Image and Video Processing · Electrical Eng. & Systems 2020-01-23 Yunyan Xing , Zongyuan Ge , Rui Zeng , Dwarikanath Mahapatra , Jarrel Seah , Meng Law , Tom Drummond

Unsupervised anomaly detection in medical imaging aims to detect and localize arbitrary anomalies without requiring annotated anomalous data during training. Often, this is achieved by learning a data distribution of normal samples and…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Carsten T. Lüth , David Zimmerer , Gregor Koehler , Paul F. Jaeger , Fabian Isensee , Jens Petersen , Klaus H. Maier-Hein

This paper proposes a novel framework for lung segmentation in chest X-rays. It consists of two key contributions, a criss-cross attention based segmentation network and radiorealistic chest X-ray image synthesis (i.e. a synthesized…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Youbao Tang , Yuxing Tang , Jing Xiao , Ronald M. Summers

Medical image segmentation is a relevant task as it serves as the first step for several diagnosis processes, thus it is indispensable in clinical usage. Whilst major success has been reported using supervised techniques, they assume a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Lihao Liu , Angelica I Aviles-Rivero , Carola-Bibiane Schönlieb

Medical image-language pre-training aims to align medical images with clinically relevant text to improve model performance on various downstream tasks. However, existing models often struggle with the variability and ambiguity inherent in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Shreyank N Gowda , Ruichi Zhang , Xiao Gu , Ying Weng , Lu Yang

Recently, multi-modal vision-language foundation models have gained significant attention in the medical field. While these models offer great opportunities, they still face crucial challenges, such as the requirement for fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Weijian Huang , Cheng Li , Hong-Yu Zhou , Hao Yang , Jiarun Liu , Yong Liang , Hairong Zheng , Shaoting Zhang , Shanshan Wang

Unsupervised pre-training has been proven as an effective approach to boost various downstream tasks given limited labeled data. Among various methods, contrastive learning learns a discriminative representation by constructing positive and…

Image and Video Processing · Electrical Eng. & Systems 2022-02-17 Jizong Peng , Ping Wang , Marco Pedersoli , Christian Desrosiers

Contrastive learning, which aims to capture general representation from unlabeled images to initialize the medical analysis models, has been proven effective in alleviating the high demand for expensive annotations. Current methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Huai Chen , Renzhen Wang , Xiuying Wang , Jieyu Li , Qu Fang , Hui Li , Jianhao Bai , Qing Peng , Deyu Meng , Lisheng Wang

Interpreting chest X-rays is inherently challenging due to the overlap between anatomical structures and the subtle presentation of many clinically significant pathologies, making accurate diagnosis time-consuming even for experienced…

Artificial Intelligence · Computer Science 2026-04-17 Shantam Srivastava , Mahesh Bhosale , David Doermann , Mingchen Gao

Computed Tomography Report Generation (CTRG) aims to automate the clinical radiology reporting process, thereby reducing the workload of report writing and facilitating patient care. While deep learning approaches have achieved remarkable…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Hong Liu , Dong Wei , Qiong Peng , Yawen Huang , Xian Wu , Yefeng Zheng , Liansheng Wang

Contrastive learning has delivered impressive results for various tasks in the self-supervised regime. However, existing approaches optimize for learning representations specific to downstream scenarios, i.e., \textit{global}…

Machine Learning · Computer Science 2021-10-29 Shuang Ma , Zhaoyang Zeng , Daniel McDuff , Yale Song

Medical report generation automates radiology descriptions from images, easing the burden on physicians and minimizing errors. However, current methods lack structured outputs and physician interactivity for clear, clinically relevant…

Artificial Intelligence · Computer Science 2024-04-18 Hongzhao Li , Hongyu Wang , Xia Sun , Hua He , Jun Feng

When reading images, radiologists generate text reports describing the findings therein. Current state-of-the-art computer-aided diagnosis tools utilize a fixed set of predefined categories automatically extracted from these medical reports…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Constantin Seibold , Simon Reiß , M. Saquib Sarfraz , Rainer Stiefelhagen , Jens Kleesiek