Date:27 June 2022, Monday
Location:ZOOM: https://nus-sg.zoom.us/j/84330125369?pwd=MEdjaXhoQlhFQTdMVlFhV253WStSdz09
Time:3 pm - 4 pm, Singapore
On Annotation Efficient Learning for Computer Vision Tasks and its Application on Medical Image Datasets (Ph.D. Oral Presentation)Deep neural networks when trained on huge collections of labelled data have shown impressive performance, often matching human-level performance, on…
Date:20 May 2022, Friday
Location:ZOOM: https://nus-sg.zoom.us/j/81479843120?pwd=cmxZMFlVYXU2MzY4TytLL0pMaVFIUT09
Time:11 am - 12 pm, Singapore
Testing Equality Of Distributions In High-Dimension: Maximum Mean Discrepancy Based Approaches (Ph.D. Oral Presentation)With developing data collection techniques, the analysis of complicated data objects in some separable metric spaces is an active research…
Date:11 May 2022, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/83343127774?pwd=OXlFK2tEc1FrZlErSXZINnR5ZHo3QT09
Time:3-4pm, Singapore
Metropolis Adjusted Langevin Trajectories: A robust alternative to Hamiltonian Monte CarloHamiltonian Monte Carlo (HMC) is a widely used sampler, known for its efficiency on high dimensional distributions. Yet HMC remains…
Date:30 March 2022, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/84451331397?pwd=WDg2YkdhV3c5OHY0VnFzcWg4ZmpIUT09
Time:10-11am, Singapore
Statistical Learning for High-dimensional Tensor DataThe analysis of tensor data has become an active research topic in statistics and data science recently. Many high order…
Date:2 March 2022, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/83007550135?pwd=dEduMFZCeWdOQVJORUtmMkJid3hTUT09
Time:11am-12pm, Singapore
CLT for Fréchet mean and geometryIn this talk, with a broad goal of building a mathematical foundation for statistical analysis on stratified spaces, I will…
Date:27 December 2021, Monday
Location:ZOOM: https://nus-sg.zoom.us/j/87153758757?pwd=aHBpWC82M1B2RjJJcURuaHBiSTd6UT09
Time:9am-10am, Singapore
Interpolation Phase Transition in Neural Networks: Memorization and Generalization under Neural Tangent ModelA mystery of modern neural networks is their surprising generalization power in overparametrized regime: they comprise so many parameters that…
Date:1 December 2021, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/82818288400?pwd=VG1hQnpoRnFZQk5wRHFNOGRaWXlNdz09
Time:10am-11am, Singapore
Confidence Regions for Density RidgesA ridge in a data cloud is a low-dimensional geometric feature that generalizes the concept of local modes, in the…
Date:10 November 2021, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/81937865320?pwd=ZjVLbDd5NmlDOThZbVVFOG5qZlJmUT09
Time:3pm-4pm, Singapore
On theoretical guarantees for variational Bayes methodStandard Bayesian methods typically scale poorly with the sample size, especially in complex, high-dimensional models. A popular approach to speed…
Date:27 October 2021, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/81025066139?pwd=ZVR1Qmg5T2JwQnpIS3VCdzFJUjZTQT09
Time:10am-11am, Singapore
Seminar is cancelled-Manifold Learning 2.0: Explanations and EigenflowsManifold learning algorithms can recover the underlying low-dimensional parametrization of high-dimensional point clouds. This talk will extend this paradigm in…
Date:20 October 2021, Wednesday
Location:ZOOM: https://nus-sg.zoom.us/j/82634395523?pwd=akFVV0pWanNVSjNkMmtZaThqdnVRUT09
Time:3pm-4pm, Singapore
Statistical Methods for cryo-EM Image AnalysisWithin the past five years, breakthrough of resolution in single-particle cryo-electron microscopy (cryo-EM) has transformed it into a main-stream tool…