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In medical imaging, Class-Activation Map (CAM) serves as the main explainability tool by pointing to the region of interest. Since the localization accuracy from CAM is constrained by the resolution of the model's feature map, one may…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Konpat Preechakul , Sira Sriswasdi , Boonserm Kijsirikul , Ekapol Chuangsuwanich

Detecting novel anomalies in medical imaging is challenging due to the limited availability of labeled data for rare abnormalities, which often display high variability and subtlety. This challenge is further compounded when small abnormal…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Jingkun Chen , Guang Yang , Xiao Zhang , Jingchao Peng , Tianlu Zhang , Jianguo Zhang , Jungong Han , Vicente Grau

Chest radiography is a relatively cheap, widely available medical procedure that conveys key information for making diagnostic decisions. Chest X-rays are almost always used in the diagnosis of respiratory diseases such as pneumonia or the…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Matej Gazda , Jakub Gazda , Jan Plavka , Peter Drotar

Anomaly activities such as robbery, explosion, accidents, etc. need immediate actions for preventing loss of human life and property in real world surveillance systems. Although the recent automation in surveillance systems are capable of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Snehashis Majhi , Srijan Das , Francois Bremond , Ratnakar Dash , Pankaj Kumar Sa

Supervised deep learning has been widely used in the studies of automatic ECG classification, which largely benefits from sufficient annotation of large datasets. However, most of the existing large ECG datasets are roughly annotated, so…

Machine Learning · Computer Science 2020-12-11 Yang Liu , Kuanquan Wang , Qince Li , Runnan He , Yongfeng Yuan , Henggui Zhang

Object localization is an important computer vision problem with a variety of applications. The lack of large scale object-level annotations and the relative abundance of image-level labels makes a compelling case for weak supervision in…

Computer Vision and Pattern Recognition · Computer Science 2016-03-30 Archith J. Bency , Heesung Kwon , Hyungtae Lee , S. Karthikeyan , B. S. Manjunath

Labeling medical images depends on professional knowledge, making it difficult to acquire large amount of annotated medical images with high quality in a short time. Thus, making good use of limited labeled samples in a small dataset to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Peng Jiang , Juan Liu , Lang Wang , Zhihui Ynag , Hongyu Dong , Jing Feng

We propose and demonstrate machine learning algorithms to assess the severity of pulmonary edema in chest x-ray images of congestive heart failure patients. Accurate assessment of pulmonary edema in heart failure is critical when making…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Ruizhi Liao , Jonathan Rubin , Grace Lam , Seth Berkowitz , Sandeep Dalal , William Wells , Steven Horng , Polina Golland

The neural attention mechanism has been incorporated into deep neural networks to achieve state-of-the-art performance in various domains. Most such models use multi-head self-attention which is appealing for the ability to attend to…

Machine Learning · Computer Science 2021-10-26 Shujian Zhang , Xinjie Fan , Huangjie Zheng , Korawat Tanwisuth , Mingyuan Zhou

Background: Chest X-rays are the most commonly performed, cost-effective diagnostic imaging tests ordered by physicians. A clinically validated AI system that can reliably separate normals from abnormals can be invaluble particularly in…

The limited availability of annotated data presents a major challenge for applying deep learning methods to medical image analysis. Few-shot learning methods aim to recognize new classes from only a small number of labeled examples. These…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Berenice Montalvo-Lezama , Gibran Fuentes-Pineda

In real-world clinical practice, overlooking unanticipated findings can result in serious consequences. However, supervised learning, which is the foundation for the current success of deep learning, only encourages models to identify…

Deep learning-based medical image segmentation technology aims at automatic recognizing and annotating objects on the medical image. Non-local attention and feature learning by multi-scale methods are widely used to model network, which…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Bo Wang , Lei Wang , Junyang Chen , Zhenghua Xu , Thomas Lukasiewicz , Zhigang Fu

Due to the scarcity of annotated data in the medical domain, few-shot learning may be useful for medical image analysis tasks. We design a few-shot learning method using an ensemble of random subspaces for the diagnosis of chest x-rays…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Kshitiz , Garvit Garg , Angshuman Paul

Analysis of histopathology slides is a critical step for many diagnoses, and in particular in oncology where it defines the gold standard. In the case of digital histopathological analysis, highly trained pathologists must review vast…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Pierre Courtiol , Eric W. Tramel , Marc Sanselme , Gilles Wainrib

The increasing popularity of attention mechanisms in deep learning algorithms for computer vision and natural language processing made these models attractive to other research domains. In healthcare, there is a strong need for tools that…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Tiago Gonçalves , Isabel Rio-Torto , Luís F. Teixeira , Jaime S. Cardoso

Medical imaging data suffers from the limited availability of annotation because annotating 3D medical data is a time-consuming and expensive task. Moreover, even if the annotation is available, supervised learning-based approaches suffer…

Image and Video Processing · Electrical Eng. & Systems 2020-11-12 Abinav Ravi Venkatakrishnan , Seong Tae Kim , Rami Eisawy , Franz Pfister , Nassir Navab

Anomaly detection and localization without any manual annotations and prior knowledge is a challenging task under the setting of unsupervised learning. The existing works achieve excellent performance in the anomaly detection, but with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Honghui Chen , Pingping Chen , Huan Mao , Mengxi Jiang

Chest radiography remains one of the most widely used imaging modalities for thoracic diagnosis, yet increasing imaging volumes and radiologist workload continue to challenge timely interpretation. In this work, we investigate the use of…

Recently, deep neural networks have achieved remarkable performance on the task of object detection and recognition. The reason for this success is mainly grounded in the availability of large scale, fully annotated datasets, but the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Christian Bartz , Haojin Yang , Joseph Bethge , Christoph Meinel