Search Results for author: Gang Qiao

Found 4 papers, 0 papers with code

An Asymptotically Optimal Algorithm for the Convex Hull Membership Problem

no code implementations3 Feb 2023 Gang Qiao, Ambuj Tewari

This work studies the pure-exploration setting for the convex hull membership (CHM) problem where one aims to efficiently and accurately determine if a given point lies in the convex hull of means of a finite set of distributions.

Vector Approximate Message Passing based Channel Estimation for MIMO-OFDM Underwater Acoustic Communications

no code implementations22 Nov 2022 Wenxuan Chen, Jun Tao, Lu Ma, Gang Qiao

Accurate channel estimation is critical to the performance of orthogonal frequency-division multiplexing (OFDM) underwater acoustic (UWA) communications, especially under multiple-input multiple-output (MIMO) scenarios.

An Information-Theoretic Approach for Estimating Scenario Generalization in Crowd Motion Prediction

no code implementations2 Nov 2022 Gang Qiao, Kaidong Hu, Seonghyeon Moon, Samuel S. Sohn, Sejong Yoon, Mubbasir Kapadia, Vladimir Pavlovic

Learning-based approaches to modeling crowd motion have become increasingly successful but require training and evaluation on large datasets, coupled with complex model selection and parameter tuning.

Model Selection motion prediction

Oneshot Differentially Private Top-k Selection

no code implementations18 May 2021 Gang Qiao, Weijie J. Su, Li Zhang

Being able to efficiently and accurately select the top-$k$ elements with differential privacy is an integral component of various private data analysis tasks.

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