activity
20152022
most citedAn Evaluation of Anomaly Detection and Diagnosis in Multivariate Time Series

276 citations · 323 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2022

Domain Generalization via Selective Consistency Regularization for Time Series Classification

Wenyu Zhang, Mohamed Ragab, Chuan-Sheng Foo

Domain generalization methods aim to learn models robust to domain shift with data from a limited number of source domains and without access to target domain samples during traini…

cs.CV2022★ 3 cited

Few-Shot Adaptation of Pre-Trained Networks for Domain Shift

Wenyu Zhang, Li Shen, Wanyue Zhang +1

Deep networks are prone to performance degradation when there is a domain shift between the source (training) data and target (test) data. Recent test-time adaptation methods updat…

cs.LG2021★ 276 cited

An Evaluation of Anomaly Detection and Diagnosis in Multivariate Time Series

Astha Garg, Wenyu Zhang, Jules Samaran +2

Several techniques for multivariate time series anomaly detection have been proposed recently, but a systematic comparison on a common set of datasets and metrics is lacking. This…

cs.LG2021

POLA: Online Time Series Prediction by Adaptive Learning Rates

Wenyu Zhang

Online prediction for streaming time series data has practical use for many real-world applications where downstream decisions depend on accurate forecasts for the future. Deployme…

cs.LG2021

Robust Domain-Free Domain Generalization with Class-aware Alignment

Wenyu Zhang, Mohamed Ragab, Ramon Sagarna

While deep neural networks demonstrate state-of-the-art performance on a variety of learning tasks, their performance relies on the assumption that train and test distributions are…

cs.LG2020

HALO: Learning to Prune Neural Networks with Shrinkage

Skyler Seto, Martin T. Wells, Wenyu Zhang

Deep neural networks achieve state-of-the-art performance in a variety of tasks by extracting a rich set of features from unstructured data, however this performance is closely tie…

stat.AP2020

Modeling a Nonlinear Biophysical Trend Followed by Long-Memory Equilibrium with Unknown Change Point

Wenyu Zhang, Maryclare Griffin, David S. Matteson

Measurements of many biological processes are characterized by an initial trend period followed by an equilibrium period. Scientists may wish to quantify features of the two period…

cs.LG2020

CAZSL: Zero-Shot Regression for Pushing Models by Generalizing Through Context

Wenyu Zhang, Skyler Seto, Devesh K. Jha

Learning accurate models of the physical world is required for a lot of robotic manipulation tasks. However, during manipulation, robots are expected to interact with unknown workp…

cs.LG2020★ 8 cited

Multi-label Prediction in Time Series Data using Deep Neural Networks

Wenyu Zhang, Devesh K. Jha, Emil Laftchiev +1

This paper addresses a multi-label predictive fault classification problem for multidimensional time-series data. While fault (event) detection problems have been thoroughly studie…

stat.ME2018

ABACUS: Unsupervised Multivariate Change Detection via Bayesian Source Separation

Wenyu Zhang, Daniel Gilbert, David Matteson

Change detection involves segmenting sequential data such that observations in the same segment share some desired properties. Multivariate change detection continues to be a chall…

stat.AP2018★ 1 cited

Financial Forecasting and Analysis for Low-Wage Workers

Wenyu Zhang, Raya Horesh, Karthikeyan N. Ramamurthy +4

Despite the plethora of financial services and products on the market nowadays, there is a lack of such services and products designed especially for the low-wage population. Appro…

stat.ME2017★ 4 cited

Pruning and Nonparametric Multiple Change Point Detection

Wenyu Zhang, Nicholas James, David Matteson

Change point analysis is a statistical tool to identify homogeneity within time series data. We propose a pruning approach for approximate nonparametric estimation of multiple chan…

cs.AI2015★ 31 cited

Multivariate Time Series Classification Using Dynamic Time Warping Template Selection for Human Activity Recognition

Skyler Seto, Wenyu Zhang, Yichen Zhou

Accurate and computationally efficient means for classifying human activities have been the subject of extensive research efforts. Most current research focuses on extracting compl…