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Cardiovascular diseases (CVDs) remain the leading cause of mortality globally, and echocardiography is critical for diagnosis of both common and congenital cardiac conditions. However, echocardiographic data for certain pathologies are…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Kabir Hamzah Muhammad , Marawan Elbatel , Yi Qin , Xiaomeng Li

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…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Phi Nguyen Van , Hieu Pham Huy , Long Tran Quoc

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,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Sekeun Kim , Pengfei Jin , Sifan Song , Cheng Chen , Yiwei Li , Hui Ren , Xiang Li , Tianming Liu , Quanzheng Li

Deep learning-based medical image processing algorithms require representative data during development. In particular, surgical data might be difficult to obtain, and high-quality public datasets are limited. To overcome this limitation and…

Image and Video Processing · Electrical Eng. & Systems 2024-04-05 Siyuan Mei , Fuxin Fan , Fabian Wagner , Mareike Thies , Mingxuan Gu , Yipeng Sun , Andreas Maier

Echocardiography video is a primary modality for diagnosing heart diseases, but the limited data poses challenges for both clinical teaching and machine learning training. Recently, video generative models have emerged as a promising…

Image and Video Processing · Electrical Eng. & Systems 2024-08-01 Junxuan Yu , Rusi Chen , Yongsong Zhou , Yanlin Chen , Yaofei Duan , Yuhao Huang , Han Zhou , Tan Tao , Xin Yang , Dong Ni

Echocardiography (ECHO) is essential for cardiac assessments, but its video quality and interpretation heavily relies on manual expertise, leading to inconsistent results from clinical and portable devices. ECHO video generation offers a…

Image and Video Processing · Electrical Eng. & Systems 2024-10-15 Yiwei Li , Sekeun Kim , Zihao Wu , Hanqi Jiang , Yi Pan , Pengfei Jin , Sifan Song , Yucheng Shi , Tianming Liu , Quanzheng Li , Xiang Li

Foundation models such as Segment Anything Model 2 (SAM 2) exhibit strong generalization on natural images and videos but perform poorly on medical data due to differences in appearance statistics, imaging physics, and three-dimensional…

Image and Video Processing · Electrical Eng. & Systems 2026-01-21 Satrajit Chakrabarty , Sourya Sengupta , Gopal Avinash , Ravi Soni

Accurate myocardium segmentation across all phases in one cardiac cycle in cine cardiac magnetic resonance (CMR) scans is crucial for comprehensively cardiac function analysis. Despite advancements in deep learning (DL) for automatic cine…

Image and Video Processing · Electrical Eng. & Systems 2024-07-17 Zhennong Chen , Sekeun Kim , Hui Ren , Quanzheng Li , Xiang Li

Two key questions in cardiac image analysis are to assess the anatomy and motion of the heart from images; and to understand how they are associated with non-imaging clinical factors such as gender, age and diseases. While the first…

Image and Video Processing · Electrical Eng. & Systems 2023-12-04 Mengyun Qiao , Shuo Wang , Huaqi Qiu , Antonio de Marvao , Declan P. O'Regan , Daniel Rueckert , Wenjia Bai

Accurate motion estimation in cardiac computed tomography (CT) imaging is critical for assessing cardiac function and surgical planning. Data-driven methods have become the standard approach for dense motion estimation, but they rely on…

Image and Video Processing · Electrical Eng. & Systems 2025-07-23 Shahar Zuler , Gal Lifshitz , Hadar Averbuch-Elor , Dan Raviv

Human motion synthesis is an important task in computer graphics and computer vision. While focusing on various conditioning signals such as text, action class, or audio to guide the generation process, most existing methods utilize…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Kebing Xue , Hyewon Seo

To make medical datasets accessible without sharing sensitive patient information, we introduce a novel end-to-end approach for generative de-identification of dynamic medical imaging data. Until now, generative methods have faced…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Hadrien Reynaud , Qingjie Meng , Mischa Dombrowski , Arijit Ghosh , Thomas Day , Alberto Gomez , Paul Leeson , Bernhard Kainz

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…

Machine Learning · Computer Science 2025-08-28 Nima Kondori , Hanwen Liang , Hooman Vaseli , Bingyu Xie , Christina Luong , Purang Abolmaesumi , Teresa Tsang , Renjie Liao

Accurate segmentation is essential for echocardiography-based assessment of cardiovascular diseases (CVDs). However, the variability among sonographers and the inherent challenges of ultrasound images hinder precise segmentation. By…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Rabin Adhikari , Manish Dhakal , Safal Thapaliya , Kanchan Poudel , Prasiddha Bhandari , Bishesh Khanal

Electronic health records (EHRs) are invaluable for clinical research, yet privacy concerns severely restrict data sharing. Synthetic data generation offers a promising solution, but EHRs present unique challenges: they contain both…

Machine Learning · Computer Science 2026-03-26 Shaonan Liu , Yuichiro Iwashita , Soichiro Nakako , Masakazu Iwamura , Koichi Kise

This paper introduces an open-source framework, Video2EEG-SPGN-Diffusion, that leverages the SEED-VD dataset to generate a multimodal dataset of EEG signals conditioned on video stimuli. Additionally, we disclose an engineering pipeline for…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Yunfei Guo , Tao Zhang , Wu Huang , Yao Song

Generating continuous sign language videos from discrete segments is challenging due to the need for smooth transitions that preserve natural flow and meaning. Traditional approaches that simply concatenate isolated signs often result in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Shengeng Tang , Jiayi He , Lechao Cheng , Jingjing Wu , Dan Guo , Richang Hong

Recently, conditional diffusion models have gained popularity in numerous applications due to their exceptional generation ability. However, many existing methods are training-required. They need to train a time-dependent classifier or a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Jiwen Yu , Yinhuai Wang , Chen Zhao , Bernard Ghanem , Jian Zhang

Cardiovascular diseases (CVDs) are disorders impacting the heart and circulatory system. These disorders are the foremost and continuously escalating cause of mortality worldwide. One of the main tasks when working with CVDs is analyzing…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Ivan Sviridov , Konstantin Egorov

Latent diffusion models (LDMs) have recently achieved strong performance in 3D medical image synthesis. However, modalities like cine cardiac MRI (CMR), representing a temporally synchronized 3D volume across the cardiac cycle, add an…