Search Results for author: Yuting Ng

Found 8 papers, 1 papers with code

Neural McKean-Vlasov Processes: Distributional Dependence in Diffusion Processes

no code implementations15 Apr 2024 Haoming Yang, Ali Hasan, Yuting Ng, Vahid Tarokh

We empirically compare the performance of the different architectures and estimators on real and synthetic datasets for time series and probabilistic modeling.

Time Series

PrACTiS: Perceiver-Attentional Copulas for Time Series

no code implementations3 Oct 2023 Cat P. Le, Chris Cannella, Ali Hasan, Yuting Ng, Vahid Tarokh

Transformers incorporating copula structures have demonstrated remarkable performance in time series prediction.

Time Series Time Series Forecasting +1

Individual Treatment Effects in Extreme Regimes

no code implementations20 Jun 2023 Ahmed Aloui, Ali Hasan, Yuting Ng, Miroslav Pajic, Vahid Tarokh

Understanding individual treatment effects in extreme regimes is important for characterizing risks associated with different interventions.

Inference and Sampling of Point Processes from Diffusion Excursions

no code implementations1 Jun 2023 Ali Hasan, Yu Chen, Yuting Ng, Mohamed Abdelghani, Anderson Schneider, Vahid Tarokh

In this framework, we relate the return times of a diffusion in a continuous path space to new arrivals of the point process.

Point Processes

Inference and Sampling for Archimax Copulas

no code implementations27 May 2022 Yuting Ng, Ali Hasan, Vahid Tarokh

Understanding multivariate dependencies in both the bulk and the tails of a distribution is an important problem for many applications, such as ensuring algorithms are robust to observations that are infrequent but have devastating effects.

Generative Archimedean Copulas

1 code implementation22 Feb 2021 Yuting Ng, Ali Hasan, Khalil Elkhalil, Vahid Tarokh

We propose a new generative modeling technique for learning multidimensional cumulative distribution functions (CDFs) in the form of copulas.

Computational Efficiency

Modeling Extremes with d-max-decreasing Neural Networks

no code implementations17 Feb 2021 Ali Hasan, Khalil Elkhalil, Yuting Ng, Joao M. Pereira, Sina Farsiu, Jose H. Blanchet, Vahid Tarokh

We propose a novel neural network architecture that enables non-parametric calibration and generation of multivariate extreme value distributions (MEVs).

Robust Marine Buoy Placement for Ship Detection Using Dropout K-Means

no code implementations2 Jan 2020 Yuting Ng, João M. Pereira, Denis Garagic, Vahid Tarokh

Marine buoys aid in the battle against Illegal, Unreported and Unregulated (IUU) fishing by detecting fishing vessels in their vicinity.

Clustering

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