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Deep learning methods have reached state-of-the-art performance in cardiac image segmentation. Currently, the main bottleneck towards their effective translation into clinics requires assuring continuous high model performance and…

图像与视频处理 · 电气工程与系统科学 2021-06-15 Francesco Galati , Maria A. Zuluaga

We propose a method for generating an electrocardiogram (ECG) signal for one cardiac cycle using a variational autoencoder. Using this method we extracted a vector of new 25 features, which in many cases can be interpreted. The generated…

信号处理 · 电气工程与系统科学 2020-02-04 V. V. Kuznetsov , V. A. Moskalenko , N. Yu. Zolotykh

Automated segmentation of the left ventricular endocardium in echocardiography videos is a key research area in cardiology. It aims to provide accurate assessment of cardiac structure and function through Ejection Fraction (EF) estimation.…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Dongfang Wang , Jian Yang , Yizhe Zhang , Tao Zhou

Medical image segmentation is crucial for enhancing diagnostic accuracy and treatment planning in Magnetic Resonance Imaging (MRI). However, acquiring precise lesion masks for segmentation model training demands specialized expertise and…

图像与视频处理 · 电气工程与系统科学 2025-03-25 Feiran Wang , Bin Duan , Jiachen Tao , Nikhil Sharma , Dawen Cai , Yan Yan

Single-particle cryo-electron microscopy (cryo-EM) has become a cornerstone of structural biology, enabling near-atomic resolution analysis of macromolecules through advanced computational methods. However, the development of cryo-EM…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Runmin Jiang , Genpei Zhang , Yuntian Yang , Siqi Wu , Minhao Wu , Wanyue Feng , Yizhou Zhao , Xi Xiao , Xiao Wang , Tianyang Wang , Xingjian Li , Muyuan Chen , Min Xu

This study introduces a text-conditioned approach to generating drumbeats with Latent Diffusion Models (LDMs). It uses informative conditioning text extracted from training data filenames. By pretraining a text and drumbeat encoder through…

声音 · 计算机科学 2024-08-07 Pushkar Jajoria , James McDermott

Accurate analysis of 3D myocardium deformation using high-resolution computerized tomography (CT) datasets with ground truth (GT) annotations is crucial for advancing cardiovascular imaging research. However, the scarcity of such datasets…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Shahar Zuler , Dan Raviv

This work presents an extensive hyperparameter search on Image Diffusion Models for Echocardiogram generation. The objective is to establish foundational benchmarks and provide guidelines within the realm of ultrasound image and video…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Hadrien Reynaud , Bernhard Kainz

Generating synthetic ECG data has numerous applications in healthcare, from educational purposes to simulating scenarios and forecasting trends. While recent diffusion models excel at generating short ECG segments, they struggle with longer…

信号处理 · 电气工程与系统科学 2025-05-27 Paul Pöhl , Viktor Schlegel , Hao Li , Anil Bharath

Large-scale text-to-image diffusion models have significantly improved the state of the art in generative image modelling and allow for an intuitive and powerful user interface to drive the image generation process. Expressing spatial…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Guillaume Couairon , Marlène Careil , Matthieu Cord , Stéphane Lathuilière , Jakob Verbeek

Cardiovascular disease (CVD) is a leading cause of mortality worldwide. Electrocardiograms (ECGs) are the most widely used non-invasive tool for cardiac assessment, yet large, well-annotated ECG corpora are scarce due to cost, privacy, and…

机器学习 · 计算机科学 2025-11-14 Xiaoda Wang , Kaiqiao Han , Yuhao Xu , Xiao Luo , Yizhou Sun , Wei Wang , Carl Yang

Delineation of anatomical structures is often the first step of many medical image analysis workflows. While convolutional neural networks achieve high performance, these do not incorporate anatomical shape information. We introduce a novel…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Athira J Jacob , Puneet Sharma , Daniel Ruckert

Echocardiography (echo) is the first imaging modality used when assessing cardiac function. The measurement of functional biomarkers from echo relies upon the segmentation of cardiac structures and deep learning models have been proposed to…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Iman Islam , Esther Puyol-Antón , Bram Ruijsink , Andrew J. Reader , Andrew P. King

Cryogenic Electron Tomography (CryoET) is a useful imaging technology in structural biology that is hindered by its need for manual annotations, especially in particle picking. Recent works have endeavored to remedy this issue with few-shot…

定量方法 · 定量生物学 2024-07-10 Yizhou Zhao , Hengwei Bian , Michael Mu , Mostofa R. Uddin , Zhenyang Li , Xiang Li , Tianyang Wang , Min Xu

The high prevalence of cardiovascular diseases (CVDs) calls for accessible and cost-effective continuous cardiac monitoring tools. Despite Electrocardiography (ECG) being the gold standard, continuous monitoring remains a challenge, leading…

信号处理 · 电气工程与系统科学 2023-12-29 Debaditya Shome , Pritam Sarkar , Ali Etemad

Within cardiovascular disease detection using deep learning applied to ECG signals, the complexities of handling physiological signals have sparked growing interest in leveraging deep generative models for effective data augmentation. In…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Nour Neifar , Achraf Ben-Hamadou , Afef Mdhaffar , Mohamed Jmaiel

Recent work has shown great progress in integrating spatial conditioning to control large, pre-trained text-to-image diffusion models. Despite these advances, existing methods describe the spatial image content using hand-crafted…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Jiayi Wang , Kevin Alexander Laube , Yumeng Li , Jan Hendrik Metzen , Shin-I Cheng , Julio Borges , Anna Khoreva

Human organs constantly undergo anatomical changes due to a complex mix of short-term (e.g., heartbeat) and long-term (e.g., aging) factors. Evidently, prior knowledge of these factors will be beneficial when modeling their future state,…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Jee Seok Yoon , Chenghao Zhang , Heung-Il Suk , Jia Guo , Xiaoxiao Li

Surface electromyography (sEMG) recordings can be influenced by electrocardiogram (ECG) signals when the muscle being monitored is close to the heart. Several existing methods use signal-processing-based approaches, such as high-pass filter…

信号处理 · 电气工程与系统科学 2024-04-02 Yu-Tung Liu , Kuan-Chen Wang , Kai-Chun Liu , Sheng-Yu Peng , Yu Tsao

Continuous Conditional Diffusion Model (CCDM) is a diffusion-based framework designed to generate high-quality images conditioned on continuous regression labels. Although CCDM has demonstrated clear advantages over prior approaches across…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xin Ding , Yun Chen , Sen Zhang , Kao Zhang , Nenglun Chen , Peibei Cao , Yongwei Wang , Fei Wu