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Denoising Diffusion Probabilistic Models (DDPMs) have demonstrated significant achievements in various image and video generation tasks, including the domain of medical imaging. However, generating echocardiography videos based on semantic…

图像与视频处理 · 电气工程与系统科学 2023-10-12 Phi Nguyen Van , Duc Tran Minh , Hieu Pham Huy , Long Tran Quoc

Cardiac auscultation is one of the most cost-effective techniques used to detect and identify many heart conditions. Computer-assisted decision systems based on auscultation can support physicians in their decisions. Unfortunately, the…

Echocardiogram is the most commonly used imaging modality in cardiac assessment duo to its non-invasive nature, real-time capability, and cost-effectiveness. Despite its advantages, most clinical echocardiograms provide only two-dimensional…

图像与视频处理 · 电气工程与系统科学 2025-05-12 Xilin Gong , Yongkai Chen , Shushan Wu , Fang Wang , Ping Ma , Wenxuan Zhong

Electrocardiography (ECG) is the clinical gold standard for cardiovascular disease (CVD) assessment, yet continuous monitoring is constrained by the need for dedicated hardware and trained personnel. Photoplethysmography (PPG) is ubiquitous…

机器学习 · 计算机科学 2026-01-22 Xiaocheng Fang , Jiarui Jin , Haoyu Wang , Che Liu , Jieyi Cai , Yujie Xiao , Guangkun Nie , Bo Liu , Shun Huang , Hongyan Li , Shenda Hong

The electrocardiogram or ECG has been in use for over 100 years and remains the most widely performed diagnostic test to characterize cardiac structure and electrical activity. We hypothesized that parallel advances in computing power,…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Geoffrey H. Tison , Jeffrey Zhang , Francesca N. Delling , Rahul C. Deo

Echocardiography interpretation requires integrating multi-view temporal evidence with quantitative measurements and guideline-grounded reasoning, yet existing foundation-model pipelines largely solve isolated subtasks and fail when tool…

Purpose: Myocardium segmentation in echocardiography videos is a challenging task due to low contrast, noise, and anatomical variability. Traditional deep learning models either process frames independently, ignoring temporal information,…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Bahar Khodabakhshian , Nima Hashemi , Armin Saadat , Zahra Gholami , In-Chang Hwang , Samira Sojoudi , Christina Luong , Purang Abolmaesumi , Teresa Tsang

Image synthesis is expected to provide value for the translation of machine learning methods into clinical practice. Fundamental problems like model robustness, domain transfer, causal modelling, and operator training become approachable…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Hadrien Reynaud , Mengyun Qiao , Mischa Dombrowski , Thomas Day , Reza Razavi , Alberto Gomez , Paul Leeson , Bernhard Kainz

Cardiac Magnetic Resonance (CMR) imaging serves as the gold-standard for evaluating cardiac morphology and function. Typically, a multi-view CMR stack, covering short-axis (SA) and 2/3/4-chamber long-axis (LA) views, is acquired for a…

图像与视频处理 · 电气工程与系统科学 2025-07-03 Yundi Zhang , Chen Chen , Suprosanna Shit , Sophie Starck , Daniel Rueckert , Jiazhen Pan

Remote monitoring of cardiovascular diseases plays an essential role in early detection of abnormal cardiac function, enabling timely intervention, improved preventive care, and personalized patient treatment. Abnormalities in the heart…

音频与语音处理 · 电气工程与系统科学 2025-11-07 Vladimir Despotovic , Peter Pocta , Andrej Zgank

Dense 3D facial motion capture from only monocular in-the-wild pairs of RGB images is a highly challenging problem with numerous applications, ranging from facial expression recognition to facial reenactment. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2020-05-18 Mohammad Rami Koujan , Anastasios Roussos , Stefanos Zafeiriou

Learning to localize the sound source in videos without explicit annotations is a novel area of audio-visual research. Existing work in this area focuses on creating attention maps to capture the correlation between the two modalities to…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Dennis Fedorishin , Deen Dayal Mohan , Bhavin Jawade , Srirangaraj Setlur , Venu Govindaraju

Biological signals, such as electroencephalograms (EEG), play a crucial role in numerous clinical applications, exhibiting diverse data formats and quality profiles. Current deep learning models for biosignals are typically specialized for…

信号处理 · 电气工程与系统科学 2023-05-18 Chaoqi Yang , M. Brandon Westover , Jimeng Sun

Convolutional neural networks (CNNs) have recently proven their excellent ability to segment 2D cardiac ultrasound images. However, the majority of attempts to perform full-sequence segmentation of cardiac ultrasound videos either rely on…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Phi Nguyen Van , Hieu Pham Huy , Long Tran Quoc

Echocardiography has become routinely used in the diagnosis of cardiomyopathy and abnormal cardiac blood flow. However, manually measuring myocardial motion and cardiac blood flow from echocardiogram is time-consuming and error-prone.…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Wentao Zhu , Yufang Huang , Mani A Vannan , Shizhen Liu , Daguang Xu , Wei Fan , Zhen Qian , Xiaohui Xie

Cardiovascular diseases stand as the primary global cause of mortality. Among the various imaging techniques available for visualising the heart and evaluating its function, echocardiograms emerge as the preferred choice due to their safety…

图像与视频处理 · 电气工程与系统科学 2023-11-22 Adil Dahlan , Cyril Zakka , Abhinav Kumar , Laura Tang , Rohan Shad , Robyn Fong , William Hiesinger

The forward problem in electrocardiology, computing body surface potentials from cardiac electrical activity, is traditionally solved using physics-based models such as the bidomain or monodomain equations. While accurate, these approaches…

图像与视频处理 · 电气工程与系统科学 2025-12-17 Shaheim Ogbomo-Harmitt , Cesare Magnetti , Chiara Spota , Jakub Grzelak , Oleg Aslanidi

Mechanistic cardiac electrophysiology models allow for personalized simulations of the electrical activity in the heart and the ensuing electrocardiogram (ECG) on the body surface. As such, synthetic signals possess known ground truth…

Estimating the shape and motion state of the myocardium is essential in diagnosing cardiovascular diseases.However, cine magnetic resonance (CMR) imaging is dominated by 2D slices, whose large slice spacing challenges inter-slice shape…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Xiaohan Yuan , Cong Liu , Yangang Wang

Analysing the haemodynamics of flow in carotid artery disease serves as a means to better understand the development and progression of associated complex diseases. Carotid artery disease can predispose people to major adverse…