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Video object segmentation (VOS) models such as SAM2 offer promising zero-shot tracking capabilities for surgical videos using minimal user input. Among the available input types, point-based tracking offers an efficient and low-cost…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Woowon Jang , Jiwon Im , Juseung Choi , Niki Rashidian , Wesley De Neve , Utku Ozbulak

Current LiDAR point cloud-based 3D single object tracking (SOT) methods typically rely on point-based representation network. Despite demonstrated success, such networks suffer from some fundamental problems: 1) It contains pooling…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Yuxuan Lu , Jiahao Nie , Zhiwei He , Hongjie Gu , Xudong Lv

Diagnosing pre-existing heart diseases early in life is important as it helps prevent complications such as pulmonary hypertension, heart rhythm problems, blood clots, heart failure and sudden cardiac arrest. To identify such diseases,…

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…

Image and Video Processing · Electrical Eng. & Systems 2025-12-17 Shaheim Ogbomo-Harmitt , Cesare Magnetti , Chiara Spota , Jakub Grzelak , Oleg Aslanidi

Analyzing the dynamic changes of cellular morphology is important for understanding the various functions and characteristics of live cells, including stem cells and metastatic cancer cells. To this end, we need to track all points on the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Junbong Jang , Kwonmoo Lee , Tae-Kyun Kim

Doppler echocardiography offers critical insights into cardiac function and phases by quantifying blood flow velocities and evaluating myocardial motion. However, previous methods for automating Doppler analysis, ranging from initial signal…

Image and Video Processing · Electrical Eng. & Systems 2023-11-16 Jaeik Jeon , Jiyeon Kim , Yeonggul Jang , Yeonyee E. Yoon , Dawun Jeong , Youngtaek Hong , Seung-Ah Lee , Hyuk-Jae Chang

Existed echocardiography segmentation methods often suffer from anatomical inconsistency challenge caused by shape variation, partial observation and region ambiguity with similar intensity across 2D echocardiographic sequences, resulting…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Zhihua Liu , Lei Tong , Xilin He , Che Liu , Rossella Arcucci , Chen Jin , Huiyu Zhou

Cardiac amyloidosis, a rare and highly morbid condition, presents significant challenges for detection through echocardiography. Recently, there has been a surge in proposing machine-learning algorithms to identify cardiac amyloidosis, with…

Image and Video Processing · Electrical Eng. & Systems 2024-06-10 Zishun Feng , Joseph A. Sivak , Ashok K. Krishnamurthy

Accurate segmentation and motion estimation of myocardium have always been important in clinic field, which essentially contribute to the downstream diagnosis. However, existing methods cannot always guarantee the shape integrity for…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Xiaoling Hu , Xiao Chen , Yikang Liu , Eric Z. Chen , Terrence Chen , Shanhui Sun

Data association across frames is at the core of Multiple Object Tracking (MOT) task. This problem is usually solved by a traditional graph-based optimization or directly learned via deep learning. Despite their popularity, we find some…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Jiawei He , Zehao Huang , Naiyan Wang , Zhaoxiang Zhang

The project OptoTracker aims to investigate a new approach to track charged particles in a scintillating material, by using the optical signal. Our idea is to reconstruct the trajectory of a charged particle by collecting the scintillation…

Instrumentation and Detectors · Physics 2016-06-10 A. Celentano

Simultaneous electrocardiography (ECG) and phonocardiogram (PCG) provide a comprehensive, multimodal perspective on cardiac function by capturing the heart's electrical and mechanical activities, respectively. However, the distinct and…

Machine Learning · Computer Science 2025-06-13 Sajjad Karimi , Amit J. Shah , Gari D. Clifford , Reza Sameni

Recent approaches to point tracking are able to recover the trajectory of any scene point through a large portion of a video despite the presence of occlusions. They are, however, too slow in practice to track every point observed in a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Guillaume Le Moing , Jean Ponce , Cordelia Schmid

We propose an object tracking method, SFTrack++, that smoothly learns to preserve the tracked object consistency over space and time dimensions by taking a spectral clustering approach over the graph of pixels from the video, using a fast…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Elena Burceanu

In Monte Carlo radiation transport calculations, Woodcock-delta tracking is a common alternative to the more popular surface tracking technique. In this work we introduce a delta-tracking algorithm that tallies fluxes to a structured…

Computational Physics · Physics 2026-02-25 Joanna Piper Morgan , Ilham Variansyah , Kayla B. Clements , Todd S. Palmer , Kyle E. Niemeyer

Cell tracking is a ubiquitous image analysis task in live-cell microscopy. Unlike multiple object tracking (MOT) for natural images, cell tracking typically involves hundreds of similar-looking objects that can divide in each frame, making…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Benjamin Gallusser , Martin Weigert

Multi-Object Tracking (MOT) poses significant challenges in computer vision. Despite its wide application in robotics, autonomous driving, and smart manufacturing, there is limited literature addressing the specific challenges of running…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Xiang Li , Cheng Chen , Yuan-yao Lou , Mustafa Abdallah , Kwang Taik Kim , Saurabh Bagchi

Advances in deep learning have significantly enhanced medical image analysis, yet the availability of large-scale medical datasets remains constrained by patient privacy concerns. We present EchoFlow, a novel framework designed to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Hadrien Reynaud , Alberto Gomez , Paul Leeson , Qingjie Meng , Bernhard Kainz

Investigation on the electrocardiogram (ECG) signals is an essential way to diagnose heart disease since the ECG process is noninvasive and easy to use. This work presents a supraventricular arrhythmia prediction model consisting of a few…

Signal Processing · Electrical Eng. & Systems 2021-12-28 Pampa Howladar , Manodipan Sahoo

Bats use a sophisticated ultrasonic sensing method called echolocation to recognize the environment. Recently, it has been reported that sighted human participants with no prior experience in echolocation can improve their ability to…

Human-Computer Interaction · Computer Science 2023-02-20 Miyoko Tsumaki , Yu Teshima , Takao Tsuchiya , Kaoru Ashihara , Kohta I. Kobayasi , Shizuko Hiryu