Search Results for author: Ganggang Xu

Found 6 papers, 1 papers with code

Row-clustering of a Point Process-valued Matrix

1 code implementation NeurIPS 2021 Lihao Yin, Ganggang Xu, Huiyan Sang, Yongtao Guan

Structured point process data harvested from various platforms poses new challenges to the machine learning community.

Clustering Point Processes

Distributed Adaptive Nearest Neighbor Classifier: Algorithm and Theory

no code implementations20 May 2021 Ruiqi Liu, Ganggang Xu, Zuofeng Shang

When data is of an extraordinarily large size or physically stored in different locations, the distributed nearest neighbor (NN) classifier is an attractive tool for classification.

Second order semi-parametric inference for multivariate log Gaussian Cox processes

no code implementations3 Dec 2020 Kristian Bjørn Hessellund, Ganggang Xu, Yongtao Guan, Rasmus Waagepetersen

We assume a semi-parametric model for the multivariate intensity function containing an unspecified complex factor common to all types of points.

Model Selection Methodology

Nonparametric Inference under B-bits Quantization

no code implementations24 Jan 2019 Kexuan Li, Ruiqi Liu, Ganggang Xu, Zuofeng Shang

Statistical inference based on lossy or incomplete samples is often needed in research areas such as signal/image processing, medical image storage, remote sensing, signal transmission.

Quantization

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