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Alzheimer's is a brain disease that gets worse over time and affects memory, thinking, and behavior. Alzheimer's disease (AD) can be treated and managed if it is diagnosed early, which can slow the progression of symptoms and improve…

图像与视频处理 · 电气工程与系统科学 2024-01-09 Taymaz Akan , Sait Alp , Mohammad A. N Bhuiyanb

We propose GGS, a Generalizable Gaussian Splatting method for Autonomous Driving which can achieve realistic rendering under large viewpoint changes. Previous generalizable 3D gaussian splatting methods are limited to rendering novel views…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Huasong Han , Kaixuan Zhou , Xiaoxiao Long , Yusen Wang , Chunxia Xiao

Physics phenomena are often described by ordinary and/or partial differential equations (ODEs/PDEs), and solved analytically or numerically. Unfortunately, many real-world systems are described only approximately with missing or unknown…

机器学习 · 统计学 2025-06-30 Gurjeet Sangra Singh , Maciej Falkiewicz , Alexandros Kalousis

Current graph neural network (GNN) architectures naively average or sum node embeddings into an aggregated graph representation -- potentially losing structural or semantic information. We here introduce OT-GNN, a model that computes graph…

机器学习 · 统计学 2021-10-12 Benson Chen , Gary Bécigneul , Octavian-Eugen Ganea , Regina Barzilay , Tommi Jaakkola

This paper proposes a simplified version of classical models for urban transportation networks, and studies the problem of controlling intersections with the goal of optimizing network-wide congestion. Differently from traditional…

最优化与控制 · 数学 2018-11-08 Gianluca Bianchin , Fabio Pasqualetti

We present a real-time visualization system for Transcranial Magnetic Stimulation (TMS), a non-invasive neuromodulation technique for treating various brain disorders and mental health diseases. Our solution targets the current challenges…

信号处理 · 电气工程与系统科学 2024-03-14 Loraine Franke , Tae Young Park , Jie Luo , Yogesh Rathi , Steve Pieper , Lipeng Ning , Daniel Haehn

Optimal transport (OT) is a widely used technique for distribution alignment, with applications throughout the machine learning, graphics, and vision communities. Without any additional structural assumptions on trans-port, however, OT can…

机器学习 · 计算机科学 2021-07-20 Chi-Heng Lin , Mehdi Azabou , Eva L. Dyer

We study the use of amortized optimization to predict optimal transport (OT) maps from the input measures, which we call Meta OT. This helps repeatedly solve similar OT problems between different measures by leveraging the knowledge and…

机器学习 · 计算机科学 2023-06-06 Brandon Amos , Samuel Cohen , Giulia Luise , Ievgen Redko

This paper presents the novel Dual Stream Graph-Transformer Fusion (DS-GTF) architecture designed specifically for classifying task-based Magnetoencephalography (MEG) data. In the spatial stream, inputs are initially represented as graphs,…

信号处理 · 电气工程与系统科学 2024-10-11 Lucas Goene , Siamak Mehrkanoon

We present an efficient algorithm for regularized optimal transport. In contrast to previous methods, we use the Douglas-Rachford splitting technique to develop an efficient solver that can handle a broad class of regularizers. The…

机器学习 · 计算机科学 2023-05-31 Jacob Lindbäck , Zesen Wang , Mikael Johansson

High-dimensional neuroimaging data presents challenges for assessing neurodegenerative diseases due to complex non-linear relationships. Variational Autoencoders (VAEs) can encode scans into lower-dimensional latent spaces capturing…

Motion planning for autonomous vehicles requires generating collision-free and dynamically feasible trajectories in complex environments under real-time constraints. While nonlinear optimal control formulations provide high-fidelity…

机器人学 · 计算机科学 2026-05-15 Matheus Wagner , Antônio Augusto Fröhlich

Partial identification often arises when the joint distribution of the data is known only up to its marginals. We consider the corresponding partially identified GMM model and develop a methodology for identification, estimation, and…

计量经济学 · 经济学 2025-12-29 Grigory Franguridi , Laura Liu

Survival prediction is a complicated ordinal regression task that aims to predict the ranking risk of death, which generally benefits from the integration of histology and genomic data. Despite the progress in joint learning from pathology…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Yingxue Xu , Hao Chen

Vision transformers (ViTs) have recently been used for visual matching beyond object detection and segmentation. However, the original grid dividing strategy of ViTs neglects the spatial information of the keypoints, limiting the…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Jinpei Guo , Shaofeng Zhang , Runzhong Wang , Chang Liu , Junchi Yan

In several applications, including imaging of deformable objects while in motion, simultaneous localization and mapping, and unlabeled sensing, we encounter the problem of recovering a signal that is measured subject to unknown…

信息论 · 计算机科学 2021-03-15 Yanting Ma , Petros T. Boufounos , Hassan Mansour , Shuchin Aeron

Flow visualization technologies such as particle tracking velocimetry (PTV) are broadly used in understanding the all-pervasiveness three-dimensional (3D) turbulent flow from nature and industrial processes. Despite the advances in 3D…

流体动力学 · 物理学 2022-11-01 Jiaming Liang , Chao Xu , Shengze Cai

Flow Matching (FM) generative models offer efficient simulation-free training and deterministic sampling, but their practical deployment is challenged by high-precision parameter requirements. We adapt optimal transport (OT)-based…

机器学习 · 计算机科学 2025-11-17 Dara Varam , Diaa A. Abuhani , Imran Zualkernan , Raghad AlDamani , Lujain Khalil

Optimal power flow (OPF) is a critical optimization problem that allocates power to the generators in order to satisfy the demand at a minimum cost. Solving this problem exactly is computationally infeasible in the general case. In this…

系统与控制 · 电气工程与系统科学 2022-10-18 Damian Owerko , Fernando Gama , Alejandro Ribeiro

The time-fractional optimal transport (OT) and mean-field planning (MFP) models are developed to describe the anomalous transport of the agents in a heterogeneous environment such that their densities are transported from the initial…

最优化与控制 · 数学 2023-09-06 Yiqun Li , Hong Wang , Wuchen Li