中文
相关论文

相关论文: Ultrasound Video Transformers for Cardiac Ejection…

200 篇论文

Segmentation of the Left ventricle (LV) is a crucial step for quantitative measurements such as area, volume, and ejection fraction. However, the automatic LV segmentation in 2D echocardiographic images is a challenging task due to…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Shakiba Moradi , Mostafa Ghelich-Oghli , Azin Alizadehasl , Isaac Shiri , Niki Oveisi , Mehrdad Oveisi , Majid Maleki , Jan Dhooge

In response to the growing demand for high-quality videos, Versatile Video Coding (VVC) was released in 2020, building on the hybrid coding architecture of its predecessor, HEVC, achieving about 50% bitrate reduction for the same visual…

多媒体 · 计算机科学 2025-03-04 Kamran Qureshi , Hadi Amirpour , Christian Timmerer

Echocardiography plays a fundamental role in the extraction of important clinical parameters (e.g. left ventricular volume and ejection fraction) required to determine the presence and severity of heart-related conditions. When deploying…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Thierry Judge , Olivier Bernard , Woo-Jin Cho Kim , Alberto Gomez , Arian Beqiri , Agisilaos Chartsias , Pierre-Marc Jodoin

Computed Tomography (CT) based precise prostate segmentation for treatment planning is challenging due to (1) the unclear boundary of the prostate derived from CT's poor soft tissue contrast and (2) the limitation of convolutional neural…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Chengyin Li , Yao Qiang , Rafi Ibn Sultan , Hassan Bagher-Ebadian , Prashant Khanduri , Indrin J. Chetty , Dongxiao Zhu

Heart disease is one of the most common diseases causing morbidity and mortality. Electrocardiogram (ECG) has been widely used for diagnosing heart diseases for its simplicity and non-invasive property. Automatic ECG analyzing technologies…

机器学习 · 计算机科学 2019-08-28 Yang Liu , Runnan He , Kuanquan Wang , Qince Li , Qiang Sun , Na Zhao , Henggui Zhang

Left ventricular segmentation is essential for measuring left ventricular function indices. Segmentation of one or several images requires an initial guess of the contour. It is hypothesized here that creating an initial guess by first…

计算机视觉与模式识别 · 计算机科学 2015-10-13 Yael Petrank , Nahum Smirin , Yossi Tsadok , Zvi Friedman , Peter Lysiansky , Dan Adam

Automatic segmentation of left ventricle (LV) myocardium in cardiac short-axis cine MR images acquired on subjects with myocardial infarction is a challenging task, mainly because of the various types of image inhomogeneity caused by the…

计算机视觉与模式识别 · 计算机科学 2018-11-16 Dongqing Zhang , Ilknur Icke , Belma Dogdas , Sarayu Parimal , Smita Sampath , Joseph Forbes , Ansuman Bagchi , Chih-Liang Chin , Antong Chen

The electrocardiogram (ECG) is one of the most common primary tests to evaluate the health of the heart. Reliable automatic interpretation of ECG records is crucial to the goal of improving public health. It can enable a safe inexpensive…

信号处理 · 电气工程与系统科学 2023-01-18 Laura Rebollo-Neira , Khalil Battikh , Amadou Sidi Watt

Unsupervised video-based surgical instrument segmentation has the potential to accelerate the adoption of robot-assisted procedures by reducing the reliance on manual annotations. However, the generally low quality of optical flow in…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Yang Liu , Peiran Wu , Jiayu Huo , Gongyu Zhang , Zhen Yuan , Christos Bergeles , Rachel Sparks , Prokar Dasgupta , Alejandro Granados , Sebastien Ourselin

Heartbeat classification using electrocardiogram (ECG) data is a vital assistive technology for wearable health solutions. We propose heartbeat feature classification based on a novel sparse representation using time-frequency joint…

信号处理 · 电气工程与系统科学 2019-08-20 Anup Das , Francky Catthoor , Siebren Schaafsma

High frame rate videos are increasingly getting popular in recent years, driven by the strong requirements of the entertainment and streaming industries to provide high quality of experiences to consumers. To achieve the best trade-offs…

多媒体 · 计算机科学 2020-10-22 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

We propose a novel end-to-end solution for video instance segmentation (VIS) based on transformers. Recently, the per-clip pipeline shows superior performance over per-frame methods leveraging richer information from multiple frames.…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Sukjun Hwang , Miran Heo , Seoung Wug Oh , Seon Joo Kim

The T-wave of an electrocardiogram (ECG) represents the ventricular repolarization that is critical in restoration of the heart muscle to a pre-contractile state prior to the next beat. Alterations in the T-wave reflect various cardiac…

应用统计 · 统计学 2010-09-30 Yingchun Zhou , Nell Sedransk

Ventricular Fibrillation (VF), one of the most dangerous arrhythmias, is responsible for sudden cardiac arrests. Thus, various algorithms have been developed to predict VF from Electrocardiogram (ECG), which is a binary classification…

机器学习 · 计算机科学 2019-03-13 Nabil Ibtehaz , M. Saifur Rahman , M. Sohel Rahman

Synthetic data generation represents a significant advancement in boosting the performance of machine learning (ML) models, particularly in fields where data acquisition is challenging, such as echocardiography. The acquisition and labeling…

In recent years, complex valued artificial neural networks have gained increasing interest as they allow neural networks to learn richer representations while potentially incorporating less parameters. Especially in the domain of computer…

计算机视觉与模式识别 · 计算机科学 2019-03-11 Niloofar Azizi , Nils Wandel , Sven Behnke

Segmentation of the heart in cardiac cine MR is clinically used to quantify cardiac function. We propose a fully automatic method for segmentation and disease classification using cardiac cine MR images. A convolutional neural network (CNN)…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Jelmer M. Wolterink , Tim Leiner , Max A. Viergever , Ivana Isgum

Cardiovascular magnetic resonance (CMR) is the gold standard for assessing cardiac function, but individual cardiac cycles complicate automatic temporal comparison or sub-phase analysis. Accurate cardiac keyframe detection can eliminate…

Foundation models have recently gained significant attention because of their generalizability and adaptability across multiple tasks and data distributions. Although medical foundation models have emerged, solutions for cardiac imaging,…

计算机视觉与模式识别 · 计算机科学 2025-01-30 Sekeun Kim , Pengfei Jin , Sifan Song , Cheng Chen , Yiwei Li , Hui Ren , Xiang Li , Tianming Liu , Quanzheng Li

Conventional cardiovascular magnetic resonance (CMR) cine imaging relies on binning multiple heartbeats into a single cardiac cycle, which fails in arrhythmic patients where beat-to-beat variability causes motion artifacts and loss of…