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The present paper deals with the problem of improving the efficiency of large scale turbulent flow simulations. The high-fidelity methods for modelling turbulent flows become available for a wider range of applications thanks to the…

Computational Physics · Physics 2018-04-10 Boris Krasnopolsky

Background: Coronary artery bypass grafting (CABG) planning requires advanced spatial visualization and consideration of coronary artery depth, calcification, and pericardial adhesions. Objective: To develop and evaluate a dynamic…

Medical Physics · Physics 2025-10-02 Shuo Wang , Tong Ren , Nan Cheng , Li Zhang , Rong Wang

In this paper, we explore the problem of event-based meshflow estimation, a novel task that involves predicting a spatially smooth sparse motion field from event cameras. To start, we review the state-of-the-art in event-based flow…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Xinglong Luo , Ao Luo , Kunming Luo , Zhengning Wang , Ping Tan , Bing Zeng , Shuaicheng Liu

This paper presents the implementation of a HLLC finite volume solver using GPU technology for the solution of shallow water problems in two dimensions. It compares both CPU and GPU approaches for implementing all the solver's steps. The…

Computational Engineering, Finance, and Science · Computer Science 2018-07-03 Fabrice Zaoui

This work introduces an integrative approach based on Q-analysis with machine learning. The new approach, called Neural Hypernetwork, has been applied to a case study of pulmonary embolism diagnosis. The objective of the application of…

Large-scale Vision-Language Models (VLMs) such as CLIP learn powerful semantic representations but operate in Euclidean space, which fails to capture the inherent hierarchical structure of visual and linguistic concepts. Hyperbolic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Chuong Huynh , Hossein Souri , Abhinav Kumar , Vitali Petsiuk , Deen Dayal Mohan , Suren Kumar

Long-term monitoring of patients with epilepsy presents a challenging problem from the engineering perspective of real-time detection and wearable devices design. It requires new solutions that allow continuous unobstructed monitoring and…

Machine Learning · Computer Science 2022-04-11 Una Pale , Tomas Teijeiro , David Atienza

We introduce a rapid and precise analytical approach for analyzing cerebral blood flow (CBF) using Diffuse Correlation Spectroscopy (DCS) with the application of the Extreme Learning Machine (ELM). Our evaluation of ELM and existing…

Machine Learning · Computer Science 2024-02-02 Xi Chen , Zhenya Zang , Xingda Li

Computational fluid dynamics (CFD) simulation provides valuable information on blood flow from the vascular geometry. However, it requires extracting precise models of arteries from low-resolution medical images, which remains challenging.…

Computational Geometry · Computer Science 2023-06-14 Méghane Decroocq , Carole Frindel , Pierre Rougé , Makoto Ohta , Guillaume Lavoué

Doppler holography is an emerging retinal imaging technique that captures the dynamic behavior of blood flow with high temporal resolution, enabling quantitative assessment of retinal hemodynamics. This requires accurate segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Marius Dubosc , Yann Fischer , Zacharie Auray , Nicolas Boutry , Edwin Carlinet , Michael Atlan , Thierry Geraud

This study investigates the potential of an ambulatory device that incorporates Large Language Models (LLMs) in cadence with other specialized ML models to assess anemia severity in sickle cell patients in real time. The device would rely…

Computation and Language · Computer Science 2023-05-08 Oluwatosin Ogundare , Subuola Sofolahan

This paper introduces Helix, a distributed system for high-throughput, low-latency large language model (LLM) serving in heterogeneous GPU clusters. The key idea behind Helix is to formulate inference computation of LLMs over heterogeneous…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-07 Yixuan Mei , Yonghao Zhuang , Xupeng Miao , Juncheng Yang , Zhihao Jia , Rashmi Vinayak

Ultrasound localization microscopy has enabled super-resolution vascular imaging through precise localization of individual ultrasound contrast agents (microbubbles) across numerous imaging frames. However, analysis of high-density regions…

Signal Processing · Electrical Eng. & Systems 2018-12-14 Ruud J. G. van Sloun , Oren Solomon , Matthew Bruce , Zin Z. Khaing , Hessel Wijkstra , Yonina C. Eldar , Massimo Mischi

Vision-language models (VLMs) have demonstrated impressive multimodal comprehension capabilities and are being deployed in an increasing number of online video understanding applications. While recent efforts extensively explore advancing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-08 Shengyuan Ye , Bei Ouyang , Tianyi Qian , Liekang Zeng , Mu Yuan , Xiaowen Chu , Weijie Hong , Xu Chen

Enodvascular coils treat intracranial aneurysms (IAs) by causing them to occlude by thrombosis. Ideally, coiled IAs eventually occlude in the long-term. However, 20.8% are found incompletely occluded at treatment follow-up. Computer…

Evaluating the nuanced human-centric video understanding capabilities of Multimodal Large Language Models (MLLMs) remains a great challenge, as existing benchmarks often overlook the intricacies of emotion, behavior, and cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Ting Zhou , Daoyuan Chen , Qirui Jiao , Bolin Ding , Yaliang Li , Ying Shen

Event-based vision sensors produce asynchronous event streams with high temporal resolution based on changes in the visual scene. The properties of these sensors allow for accurate and fast calculation of optical flow as events are…

Hardware Architecture · Computer Science 2024-03-14 Daniel C. Stumpp , Himanshu Akolkar , Alan D. George , Ryad B. Benosman

A large number of retinal vessel analysis methods based on image segmentation have emerged in recent years. However, existing methods depend on cumbersome backbones, such as VGG16 and ResNet-50, benefiting from their powerful feature…

Image and Video Processing · Electrical Eng. & Systems 2019-11-25 Ling Luo , Dingyu Xue , Xinglong Feng

We propose a novel approach to generate samples from the conditional distribution of patient-specific cardiovascular models given a clinically aquired image volume. A convolutional neural network architecture with dropout layers is first…

Quantitative Methods · Quantitative Biology 2021-09-01 Gabriel Maher , Casey Fleeter , Daniele Schiavazzi , Alison Marsden

It is known that the maximum diameter for the rupture-risk assessment of the abdominal aortic aneurysm is a generally good method, but not sufficient. Alternative features obtained with computational modeling may provide additional useful…

Computational Engineering, Finance, and Science · Computer Science 2020-03-16 Shanlin Qin , Rongliang Chen , Bokai Wu , Jia Liu , Wen-Shin Shiu , Zhengzheng Yan , Xiao-Chuan Cai