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Heart diseases constitute a global health burden, and the problem is exacerbated by the error-prone nature of listening to and interpreting heart sounds. This motivates the development of automated classification to screen for abnormal…

Sound · Computer Science 2016-12-07 Yuhao Zhang , Sandeep Ayyar , Long-Huei Chen , Ethan J. Li

Deep learning based models, generally, require a large number of samples for appropriate training, a requirement that is difficult to satisfy in the medical field. This issue can usually be avoided with a proper initialization of the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Taibou Birgui Sekou , Moncef Hidane , Julien Olivier , Hubert Cardot

Characteristics such as low contrast and significant organ shape variations are often exhibited in medical images. The improvement of segmentation performance in medical imaging is limited by the generally insufficient adaptive capabilities…

Image and Video Processing · Electrical Eng. & Systems 2023-06-09 Hejun Huang , Zuguo Chen , Ying Zou , Ming Lu , Chaoyang Chen

The analysis of plaque deposits in the coronary vasculature is an important topic in current clinical research. From a technical side mostly new algorithms for different sub tasks - e.g. centerline extraction or vessel/plaque segmentation -…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Felix Denzinger , Michael Wels , Christian Hopfgartner , Jing Lu , Max Schöbinger , Andreas Maier , Michael Sühling

Segmentation of cardiac anatomical structures in cardiac magnetic resonance images (CMRI) is a prerequisite for automatic diagnosis and prognosis of cardiovascular diseases. To increase robustness and performance of segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2020-11-16 Jörg Sander , Bob D. de Vos , Ivana Išgum

Cardiac magnetic resonance imaging improves on diagnosis of cardiovascular diseases by providing images at high spatiotemporal resolution. Manual evaluation of these time-series, however, is expensive and prone to biased and…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Fabian Isensee , Paul Jaeger , Peter M. Full , Ivo Wolf , Sandy Engelhardt , Klaus H. Maier-Hein

In this paper, we propose a novel approach for few-shot semantic segmentation with sparse labeled images. We investigate the effectiveness of our method, which is based on the Model-Agnostic Meta-Learning (MAML) algorithm, in the medical…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Pedro H. T. Gama , Hugo Oliveira , Jefersson A. dos Santos

Medical image annotation is a major hurdle for developing precise and robust machine learning models. Annotation is expensive, time-consuming, and often requires expert knowledge, particularly in the medical field. Here, we suggest using…

Computer Vision and Pattern Recognition · Computer Science 2020-09-28 Holger R Roth , Dong Yang , Ziyue Xu , Xiaosong Wang , Daguang Xu

Computational fluid dynamics (CFD) based simulation of coronary blood flow provides valuable hemodynamic markers, such as pressure gradients, for diagnosing coronary artery disease (CAD). However, CFD is computationally expensive,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Rene Lisasi , Michele Esposito , Chen Zhao

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. The success of machine learning, in particular supervised learning, depends…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Chengliang Dai , Shuo Wang , Yuanhan Mo , Elsa Angelini , Yike Guo , Wenjia Bai

The success of deep convolutional neural networks on image classification and recognition tasks has led to new applications in very diversified contexts, including the field of medical imaging. In this paper we investigate and propose…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Alexey A. Novikov , Dimitrios Lenis , David Major , Jiri Hladůvka , Maria Wimmer , Katja Bühler

Segmentation of blood vessels in murine cerebral 3D OCTA images is foundational for in vivo quantitative analysis of the effects of neurovascular disorders, such as stroke or Alzheimer's, on the vascular network. However, to accurately…

Image and Video Processing · Electrical Eng. & Systems 2024-03-13 Bastian Wittmann , Lukas Glandorf , Johannes C. Paetzold , Tamaz Amiranashvili , Thomas Wälchli , Daniel Razansky , Bjoern Menze

The lack of annotated medical images limits the performance of deep learning models, which usually need large-scale labelled datasets. Few-shot learning techniques can reduce data scarcity issues and enhance medical image analysis,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Eva Pachetti , Sara Colantonio

Optical Coherence Tomography Angiography (OCTA) is a crucial imaging technique for visualizing retinal vasculature and diagnosing eye diseases such as diabetic retinopathy and glaucoma. However, precise segmentation of OCTA vasculature…

Image and Video Processing · Electrical Eng. & Systems 2025-01-03 Shun Zou , Zhuo Zhang , Guangwei Gao

The MedSAM model, built upon the SAM framework, enhances medical image segmentation through generalizable training but still exhibits notable limitations. First, constraints in the perturbation window settings during training can cause…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Boyi Li , Ye Yuan , Wenjun Tan

Clinical fusion of Single Photon Emission Computed Tomography Myocardial Perfusion Imaging (SPECT MPI) and Computed Tomography Angiography (CTA) remains limited by cross-modality misregistration and reliance on manual landmarks, which can…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Ni Yao , Xiangyu Liu , Shaojie Tang , Danyang Sun , Chuang Han , Yanting Li , Jiaofen Nan , Chengyang Li , Fubao Zhu , Chen Zhao , Zhihui Xu , Weihua Zhou

Chest radiography is an effective screening tool for diagnosing pulmonary diseases. In computer-aided diagnosis, extracting the relevant region of interest, i.e., isolating the lung region of each radiography image, can be an essential step…

Image and Video Processing · Electrical Eng. & Systems 2022-02-23 Hilda Azimi , Jianxing Zhang , Pengcheng Xi , Hala Asad , Ashkan Ebadi , Stephane Tremblay , Alexander Wong

Detection of coronary artery stenosis in coronary CT angiography (CCTA) requires highly personalized surface meshes enclosing the coronary lumen. In this work, we propose to use graph convolutional networks (GCNs) to predict the spatial…

Image and Video Processing · Electrical Eng. & Systems 2019-08-16 Jelmer M. Wolterink , Tim Leiner , Ivana Išgum

Medical image segmentation is one of the important tasks of computer-aided diagnosis in medical image analysis. Since most medical images have the characteristics of blurred boundaries and uneven intensity distribution, through existing…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Sixing Yin , Yameng Han , Shufang Li

The medical imaging literature has witnessed remarkable progress in high-performing segmentation models based on convolutional neural networks. Despite the new performance highs, the recent advanced segmentation models still require large,…

Image and Video Processing · Electrical Eng. & Systems 2020-02-13 Nima Tajbakhsh , Laura Jeyaseelan , Qian Li , Jeffrey Chiang , Zhihao Wu , Xiaowei Ding