2 papers
math.OC2025
Provably convergent stochastic fixed-point algorithm for free-support Wasserstein barycenter of continuous non-parametric measures
Zeyi Chen, Ariel Neufeld, Qikun Xiang
We develop an estimator-based stochastic fixed-point framework for approximately computing the 2-Wasserstein barycenter of continuous, non-parametric probability measures. Notably,…
eess.SP2019
Bayesian Spatial Field Reconstruction with Unknown Distortions in Sensor Networks
Qikun Xiang, Ido Nevat, Gareth W. Peters
Spatial regression of random fields based on potentially biased sensing information is proposed in this paper. One major concern in such applications is that since it is not known…