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Two-dimensional echocardiography (2DE) measurements of left ventricle (LV) dimensions are highly significant markers of several cardiovascular diseases. These measurements are often used in clinical care despite suffering from large…

Image and Video Processing · Electrical Eng. & Systems 2019-11-07 Andrew Gilbert , Marit Holden , Line Eikvil , Svein Arne Aase , Eigil Samset , Kristin McLeod

Temporal action segmentation is a topic of increasing interest, however, annotating each frame in a video is cumbersome and costly. Weakly supervised approaches therefore aim at learning temporal action segmentation from videos that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mohsen Fayyaz , Juergen Gall

Most existing real-time deep models trained with each frame independently may produce inconsistent results across the temporal axis when tested on a video sequence. A few methods take the correlations in the video sequence into…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

In this work, we introduce long-video masked-embedding autoencoders (LV-MAE), a self-supervised learning framework for long video representation. Our approach treats short- and long-span dependencies as two separate tasks. Such decoupling…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Ilan Naiman , Emanuel Ben-Baruch , Oron Anschel , Alon Shoshan , Igor Kviatkovsky , Manoj Aggarwal , Gerard Medioni

Using offline training schemes, researchers have tackled the event segmentation problem by providing full or weak-supervision through manually annotated labels or self-supervised epoch-based training. Most works consider videos that are at…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Ramy Mounir , Roman Gula , Jörn Theuerkauf , Sudeep Sarkar

Introduction: Heart failure with preserved ejection fraction (HFpEF) arises from diverse comorbidities and progresses through prolonged subclinical stages, making early diagnosis and prognosis difficult. Current echocardiography-based…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Andrés Bell-Navas , Jesús Garicano-Mena , Antonella Ausiello , Soledad Le Clainche , María Villalba-Orero , Enrique Lara-Pezzi

The electrocardiogram (ECG) is a key diagnostic tool in cardiovascular health. Single-lead ECG recording is integrated into both clinical-grade and consumer wearables. While self-supervised pretraining of foundation models on unlabeled ECGs…

Machine Learning · Computer Science 2025-12-03 Yuxuan Shu , Peter H. Charlton , Fahim Kawsar , Jussi Hernesniemi , Mohammad Malekzadeh

Weakly-supervised audio-visual video parsing (AVVP) seeks to detect audible, visible, and audio-visual events without temporal annotations. Previous work has emphasized refining global predictions through contrastive or collaborative…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yaru Chen , Ruohao Guo , Liting Gao , Yang Xiang , Qingyu Luo , Zhenbo Li , Wenwu Wang

Labeled data is a critical resource for training and evaluating machine learning models. However, many real-life datasets are only partially labeled. We propose a semi-supervised machine learning training strategy to improve event detection…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Florian Dubost , Erin Hong , Nandita Bhaskhar , Siyi Tang , Daniel Rubin , Christopher Lee-Messer

Echocardiography records ultrasound videos of the heart, enabling clinicians to assess cardiac function. Recent advances in large-scale vision-language models (VLMs) have spurred interest in automating echocardiographic interpretation.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ryo Takizawa , Satoshi Kodera , Tempei Kabayama , Ryo Matsuoka , Yuta Ando , Yuto Nakamura , Haruki Settai , Norihiko Takeda

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…

Image and Video Processing · Electrical Eng. & Systems 2023-11-22 Adil Dahlan , Cyril Zakka , Abhinav Kumar , Laura Tang , Rohan Shad , Robyn Fong , William Hiesinger

Electrocardiogram (ECG) delineation, the segmentation of meaningful waveform features, is critical for clinical diagnosis. Despite recent advances using deep learning, progress has been limited by the scarcity of publicly available…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Minje Park , Jeonghwa Lim , Taehyung Yu , Sunghoon Joo

Recent advances in computer vision and neural networks have made it possible for more surveillance videos to be automatically searched and analyzed by algorithms rather than humans. This happened in parallel with advances in edge computing…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-03 Tarek Elgamal , Shu Shi , Varun Gupta , Rittwik Jana , Klara Nahrstedt

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)…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Jelmer M. Wolterink , Tim Leiner , Max A. Viergever , Ivana Isgum

We present an emotion recognition system for nonverbal vocalizations (NVs) submitted to the ExVo Few-Shot track of the ICML Expressive Vocalizations Competition 2022. The proposed method uses self-supervised learning (SSL) models to extract…

Sound · Computer Science 2022-06-23 Detai Xin , Shinnosuke Takamichi , Hiroshi Saruwatari

Objective: To develop and interpret a supervised variational autoencoder (VAE) model for classifying cardiotocography (CTG) signals based on pregnancy outcomes, addressing interpretability limits of current deep learning approaches.…

Machine Learning · Computer Science 2025-09-09 John Tolladay , Beth Albert , Gabriel Davis Jones

Cardiovascular disease (CVD) is a leading cause of death in the lung cancer screening population. Chest CT scans made in lung cancer screening are suitable for identification of participants at risk of CVD. Existing methods analyzing CT…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Sanne G. M. van Velzen , Majd Zreik , Nikolas Lessmann , Max A. Viergever , Pim A. de Jong , Helena M. Verkooijen , Ivana Išgum

Electrocardiogram (ECG) is an essential signal in monitoring human heart activities. Researchers have achieved promising results in leveraging ECGs in clinical applications with deep learning models. However, the mainstream deep learning…

Machine Learning · Computer Science 2023-10-06 Han Yu , Huiyuan Yang , Akane Sano

Echocardiography (echo) is an ultrasound imaging modality that is widely used for various cardiovascular diagnosis tasks. Due to inter-observer variability in echo-based diagnosis, which arises from the variability in echo image acquisition…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Masoud Mokhtari , Neda Ahmadi , Teresa S. M. Tsang , Purang Abolmaesumi , Renjie Liao

Computational modeling of cardiovascular function has become a critical part of diagnosing, treating and understanding cardiovascular disease. Most strategies involve constructing anatomically accurate computer models of cardiovascular…

Image and Video Processing · Electrical Eng. & Systems 2025-01-28 Numi Sveinsson Cepero , Shawn C. Shadden