Liwei Wang

Affiliations:
  • Peking University, Department of Machine Intelligence, Beijing, China


According to our database1, Liwei Wang authored at least 167 papers between 2005 and 2024.

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Bibliography

2024
Do Efficient Transformers Really Save Computation?
CoRR, 2024

DOF: Accelerating High-order Differential Operators with Forward Propagation.
CoRR, 2024

Two Stones Hit One Bird: Bilevel Positional Encoding for Better Length Extrapolation.
CoRR, 2024

2023
Horizon-Free and Instance-Dependent Regret Bounds for Reinforcement Learning with General Function Approximation.
CoRR, 2023

CORE: Common Random Reconstruction for Distributed Optimization with Provable Low Communication Complexity.
CoRR, 2023

Forward Laplacian: A New Computational Framework for Neural Network-based Variational Monte Carlo.
CoRR, 2023

Provably Efficient Exploration in Quantum Reinforcement Learning with Logarithmic Worst-Case Regret.
CoRR, 2023

A Reduction-based Framework for Sequential Decision Making with Delayed Feedback.
Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Tackling Heavy-Tailed Rewards in Reinforcement Learning with Function Approximation: Minimax Optimal and Instance-Dependent Regret Bounds.
Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Towards Revealing the Mystery behind Chain of Thought: A Theoretical Perspective.
Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

A Complete Expressiveness Hierarchy for Subgraph GNNs via Subgraph Weisfeiler-Lehman Tests.
Proceedings of the International Conference on Machine Learning, 2023

On the Power of Pre-training for Generalization in RL: Provable Benefits and Hardness.
Proceedings of the International Conference on Machine Learning, 2023

Rethinking the Expressive Power of GNNs via Graph Biconnectivity.
Proceedings of the Eleventh International Conference on Learning Representations, 2023

Denoising Masked Autoencoders Help Robust Classification.
Proceedings of the Eleventh International Conference on Learning Representations, 2023

One Transformer Can Understand Both 2D & 3D Molecular Data.
Proceedings of the Eleventh International Conference on Learning Representations, 2023

Provable Sim-to-real Transfer in Continuous Domain with Partial Observations.
Proceedings of the Eleventh International Conference on Learning Representations, 2023

Nearly Minimax Optimal Offline Reinforcement Learning with Linear Function Approximation: Single-Agent MDP and Markov Game.
Proceedings of the Eleventh International Conference on Learning Representations, 2023

DSVT: Dynamic Sparse Voxel Transformer with Rotated Sets.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

Learning Physics-Informed Neural Networks without Stacked Back-propagation.
Proceedings of the International Conference on Artificial Intelligence and Statistics, 2023

2022
GEC: A Unified Framework for Interactive Decision Making in MDP, POMDP, and Beyond.
CoRR, 2022

Denoising Masked AutoEncoders are Certifiable Robust Vision Learners.
CoRR, 2022

Is L<sup>2</sup> Physics-Informed Loss Always Suitable for Training Physics-Informed Neural Network?
CoRR, 2022

Reconstruction Task Finds Universal Winning Tickets.
CoRR, 2022

Rethinking Lipschitz Neural Networks and Certified Robustness: A Boolean Function Perspective.
Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Is $L^2$ Physics Informed Loss Always Suitable for Training Physics Informed Neural Network?
Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

CAGroup3D: Class-Aware Grouping for 3D Object Detection on Point Clouds.
Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Your Transformer May Not be as Powerful as You Expect.
Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Why Robust Generalization in Deep Learning is Difficult: Perspective of Expressive Power.
Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Pessimistic Minimax Value Iteration: Provably Efficient Equilibrium Learning from Offline Datasets.
Proceedings of the International Conference on Machine Learning, 2022

Nearly Optimal Policy Optimization with Stable at Any Time Guarantee.
Proceedings of the International Conference on Machine Learning, 2022

Human-in-the-loop: Provably Efficient Preference-based Reinforcement Learning with General Function Approximation.
Proceedings of the International Conference on Machine Learning, 2022

Boosting the Certified Robustness of L-infinity Distance Nets.
Proceedings of the Tenth International Conference on Learning Representations, 2022

A Reduction-Based Framework for Conservative Bandits and Reinforcement Learning.
Proceedings of the Tenth International Conference on Learning Representations, 2022

Understanding Domain Randomization for Sim-to-real Transfer.
Proceedings of the Tenth International Conference on Learning Representations, 2022

RBGNet: Ray-based Grouping for 3D Object Detection.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2022

2021
Collaborative Visual Navigation.
CoRR, 2021

Multi-stage Optimization based Adversarial Training.
CoRR, 2021

A Unified Framework for Conservative Exploration.
CoRR, 2021

Revisiting Language Encoding in Learning Multilingual Representations.
CoRR, 2021

Towards Certifying 𝓁<sub>∞</sub> Robustness using Neural Networks with 𝓁<sub>∞</sub>-dist Neurons.
CoRR, 2021

Breaking the Moments Condition Barrier: No-Regret Algorithm for Bandits with Super Heavy-Tailed Payoffs.
Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Towards a Theoretical Framework of Out-of-Distribution Generalization.
Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Stable, Fast and Accurate: Kernelized Attention with Relative Positional Encoding.
Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Non-convex Distributionally Robust Optimization: Non-asymptotic Analysis.
Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Semi-Supervised Semantic Segmentation via Adaptive Equalization Learning.
Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Weakly-Supervised Ultrasound Video Segmentation with Minimal Annotations.
Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2021 - 24th International Conference, Strasbourg, France, September 27, 2021

Towards Certifying L-infinity Robustness using Neural Networks with L-inf-dist Neurons.
Proceedings of the 38th International Conference on Machine Learning, 2021

On Reinforcement Learning with Adversarial Corruption and Its Application to Block MDP.
Proceedings of the 38th International Conference on Machine Learning, 2021

Near-Optimal Representation Learning for Linear Bandits and Linear RL.
Proceedings of the 38th International Conference on Machine Learning, 2021

GraphNorm: A Principled Approach to Accelerating Graph Neural Network Training.
Proceedings of the 38th International Conference on Machine Learning, 2021

Efficient Reinforcement Learning in Factored MDPs with Application to Constrained RL.
Proceedings of the 9th International Conference on Learning Representations, 2021

Region-aware Contrastive Learning for Semantic Segmentation.
Proceedings of the 2021 IEEE/CVF International Conference on Computer Vision, 2021

Dense Relation Distillation With Context-Aware Aggregation for Few-Shot Object Detection.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2021

Augmented Partial Mutual Learning with Frame Masking for Video Captioning.
Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence, 2021

2020
Transferrable Feature and Projection Learning with Class Hierarchy for Zero-Shot Learning.
Int. J. Comput. Vis., 2020

RANDOM MASK: Towards Robust Convolutional Neural Networks.
CoRR, 2020

Transferred Discrepancy: Quantifying the Difference Between Representations.
CoRR, 2020

MC-BERT: Efficient Language Pre-Training via a Meta Controller.
CoRR, 2020

Multi-modal Feature Fusion with Feature Attention for VATEX Captioning Challenge 2020.
CoRR, 2020

Combinatorial Semi-Bandit in the Non-Stationary Environment.
CoRR, 2020

Improved Analysis of Clipping Algorithms for Non-convex Optimization.
Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

Sanity-Checking Pruning Methods: Random Tickets can Win the Jackpot.
Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

RepPoints v2: Verification Meets Regression for Object Detection.
Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

Locally Differentially Private (Contextual) Bandits Learning.
Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

Improve Bone Age Assessment by Learning from Anatomical Local Regions.
Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2020, 2020

On Layer Normalization in the Transformer Architecture.
Proceedings of the 37th International Conference on Machine Learning, 2020

(Locally) Differentially Private Combinatorial Semi-Bandits.
Proceedings of the 37th International Conference on Machine Learning, 2020

MACER: Attack-free and Scalable Robust Training via Maximizing Certified Radius.
Proceedings of the 8th International Conference on Learning Representations, 2020

Distributed Bandit Learning: Near-Optimal Regret with Efficient Communication.
Proceedings of the 8th International Conference on Learning Representations, 2020

Q-learning with UCB Exploration is Sample Efficient for Infinite-Horizon MDP.
Proceedings of the 8th International Conference on Learning Representations, 2020

Robust Local Features for Improving the Generalization of Adversarial Training.
Proceedings of the 8th International Conference on Learning Representations, 2020

Learning to Group: A Bottom-Up Framework for 3D Part Discovery in Unseen Categories.
Proceedings of the 8th International Conference on Learning Representations, 2020

Nesterov Accelerated Gradient and Scale Invariance for Adversarial Attacks.
Proceedings of the 8th International Conference on Learning Representations, 2020

Semi-Supervised Learning for Video Captioning.
Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

Dense RepPoints: Representing Visual Objects with Dense Point Sets.
Proceedings of the Computer Vision - ECCV 2020, 2020

FocalMix: Semi-Supervised Learning for 3D Medical Image Detection.
Proceedings of the 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2020

Boosting Few-Shot Learning With Adaptive Margin Loss.
Proceedings of the 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2020

Memory Enhanced Global-Local Aggregation for Video Object Detection.
Proceedings of the 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2020

2019
Defective Convolutional Layers Learn Robust CNNs.
CoRR, 2019

On the Anomalous Generalization of GANs.
CoRR, 2019

Nesterov Accelerated Gradient and Scale Invariance for Improving Transferability of Adversarial Examples.
CoRR, 2019

Convergence of Adversarial Training in Overparametrized Networks.
CoRR, 2019

Understanding and Improving Transformer From a Multi-Particle Dynamic System Point of View.
CoRR, 2019

Adversarially Robust Generalization Just Requires More Unlabeled Data.
CoRR, 2019

A Gram-Gauss-Newton Method Learning Overparameterized Deep Neural Networks for Regression Problems.
CoRR, 2019

Distributed Bandit Learning: How Much Communication is Needed to Achieve (Near) Optimal Regret.
CoRR, 2019

Mimicking the In-Camera Color Pipeline for Camera-Aware Object Compositing.
CoRR, 2019

Equipping Experts/Bandits with Long-term Memory.
Proceedings of the Advances in Neural Information Processing Systems 32: Annual Conference on Neural Information Processing Systems 2019, 2019

McDiarmid-Type Inequalities for Graph-Dependent Variables and Stability Bounds.
Proceedings of the Advances in Neural Information Processing Systems 32: Annual Conference on Neural Information Processing Systems 2019, 2019

Convergence of Adversarial Training in Overparametrized Neural Networks.
Proceedings of the Advances in Neural Information Processing Systems 32: Annual Conference on Neural Information Processing Systems 2019, 2019

Efficient Training of BERT by Progressively Stacking.
Proceedings of the 36th International Conference on Machine Learning, 2019

Gradient Descent Finds Global Minima of Deep Neural Networks.
Proceedings of the 36th International Conference on Machine Learning, 2019

Improving the Generalization of Adversarial Training with Domain Adaptation.
Proceedings of the 7th International Conference on Learning Representations, 2019

Representation Degeneration Problem in Training Natural Language Generation Models.
Proceedings of the 7th International Conference on Learning Representations, 2019

Learning Relationships for Multi-View 3D Object Recognition.
Proceedings of the 2019 IEEE/CVF International Conference on Computer Vision, 2019

RepPoints: Point Set Representation for Object Detection.
Proceedings of the 2019 IEEE/CVF International Conference on Computer Vision, 2019

Few-Shot Learning With Global Class Representations.
Proceedings of the 2019 IEEE/CVF International Conference on Computer Vision, 2019

Hint-Based Training for Non-Autoregressive Machine Translation.
Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing, 2019

Large-Scale Few-Shot Learning: Knowledge Transfer With Class Hierarchy.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2019

2018
Large-Scale Sparse Learning From Noisy Tags for Semantic Segmentation.
IEEE Trans. Cybern., 2018

Towards Understanding Learning Representations: To What Extent Do Different Neural Networks Learn the Same Representation.
Proceedings of the Advances in Neural Information Processing Systems 31: Annual Conference on Neural Information Processing Systems 2018, 2018

FRAGE: Frequency-Agnostic Word Representation.
Proceedings of the Advances in Neural Information Processing Systems 31: Annual Conference on Neural Information Processing Systems 2018, 2018

Low Rank Approximation of Binary Matrices: Column Subset Selection and Generalizations.
Proceedings of the 43rd International Symposium on Mathematical Foundations of Computer Science, 2018

Dropout Training, Data-dependent Regularization, and Generalization Bounds.
Proceedings of the 35th International Conference on Machine Learning, 2018

Towards Binary-Valued Gates for Robust LSTM Training.
Proceedings of the 35th International Conference on Machine Learning, 2018

Learning to Navigate for Fine-Grained Classification.
Proceedings of the Computer Vision - ECCV 2018, 2018

Learning Region Features for Object Detection.
Proceedings of the Computer Vision - ECCV 2018, 2018

Generalization Bounds of SGLD for Non-convex Learning: Two Theoretical Viewpoints.
Proceedings of the Conference On Learning Theory, 2018

2017
Zero-Shot Scene Classification for High Spatial Resolution Remote Sensing Images.
IEEE Trans. Geosci. Remote. Sens., 2017

Learning from Weak and Noisy Labels for Semantic Segmentation.
IEEE Trans. Pattern Anal. Mach. Intell., 2017

Zero-Shot Fine-Grained Classification by Deep Feature Learning with Semantics.
CoRR, 2017

The Expressive Power of Neural Networks: A View from the Width.
Proceedings of the Advances in Neural Information Processing Systems 30: Annual Conference on Neural Information Processing Systems 2017, 2017

Decoding with Value Networks for Neural Machine Translation.
Proceedings of the Advances in Neural Information Processing Systems 30: Annual Conference on Neural Information Processing Systems 2017, 2017

Accurate Pulmonary Nodule Detection in Computed Tomography Images Using Deep Convolutional Neural Networks.
Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2017, 2017

Efficient Private ERM for Smooth Objectives.
Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, 2017

Collect at Once, Use Effectively: Making Non-interactive Locally Private Learning Possible.
Proceedings of the 34th International Conference on Machine Learning, 2017

Quadratic Upper Bound for Recursive Teaching Dimension of Finite VC Classes.
Proceedings of the 30th Conference on Learning Theory, 2017

A Refined Analysis of LSH for Well-dispersed Data Points.
Proceedings of the Fourteenth Workshop on Analytic Algorithmics and Combinatorics, 2017

2016
Exploring demographic information in social media for product recommendation.
Knowl. Inf. Syst., 2016

Differentially Private Data Releasing for Smooth Queries.
J. Mach. Learn. Res., 2016

Nonlinear Dimensionality Reduction by Local Orthogonality Preserving Alignment.
J. Comput. Sci. Technol., 2016

Image classification by visual bag-of-words refinement and reduction.
Neurocomputing, 2016

Stable Memory Allocation in the Hippocampus: Fundamental Limits and Neural Realization.
CoRR, 2016

HMSNN: Hippocampus inspired Memory Spiking Neural Network.
Proceedings of the 2016 IEEE International Conference on Systems, Man, and Cybernetics, 2016

Dual Learning for Machine Translation.
Proceedings of the Advances in Neural Information Processing Systems 29: Annual Conference on Neural Information Processing Systems 2016, 2016

On the Depth of Deep Neural Networks: A Theoretical View.
Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence, 2016

2015
Semantic Sparse Recoding of Visual Content for Image Applications.
IEEE Trans. Image Process., 2015

Noise-robust semi-supervised learning via fast sparse coding.
Pattern Recognit., 2015

Learning descriptive visual representation for image classification and annotation.
Pattern Recognit., 2015

Large Margin Deep Neural Networks: Theory and Algorithms.
CoRR, 2015

Pairwise Constraint Propagation on Multi-View Data.
CoRR, 2015

On Low Rank Approximation of Binary Matrices.
CoRR, 2015

On the measurement complexity of differentially private query answering.
Sci. China Inf. Sci., 2015

Social Image Parsing by Cross-Modal Data Refinement.
Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, 2015

Noise-Robust Semi-Supervised Learning by Large-Scale Sparse Coding.
Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015

2014
Learning a generative classifier from label proportions.
Neurocomputing, 2014

Can Image-Level Labels Replace Pixel-Level Labels for Image Parsing.
CoRR, 2014

Differentially Private Data Releasing for Smooth Queries with Synthetic Database Output.
CoRR, 2014

Generalized second price auction with probabilistic broad match.
Proceedings of the ACM Conference on Economics and Computation, 2014

Direct Semantic Analysis for Social Image Classification.
Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, 2014

2013
Online learning for auction mechanism in bandit setting.
Decis. Support Syst., 2013

A Theoretical Analysis of NDCG Type Ranking Measures
CoRR, 2013

Efficient Algorithm for Privately Releasing Smooth Queries.
Proceedings of the Advances in Neural Information Processing Systems 26: 27th Annual Conference on Neural Information Processing Systems 2013. Proceedings of a meeting held December 5-8, 2013

A Game-Theoretic Machine Learning Approach for Revenue Maximization in Sponsored Search.
Proceedings of the IJCAI 2013, 2013

A Theoretical Analysis of NDCG Type Ranking Measures.
Proceedings of the COLT 2013, 2013

2012
Further results on the margin explanation of boosting: new algorithm and experiments.
Sci. China Inf. Sci., 2012

Dimensionality Dependent PAC-Bayes Margin Bound.
Proceedings of the Advances in Neural Information Processing Systems 25: 26th Annual Conference on Neural Information Processing Systems 2012. Proceedings of a meeting held December 3-6, 2012

Estimation Based on RBM from Label Proportions in Large Group Case.
Proceedings of the Intelligent Science and Intelligent Data Engineering, 2012

2011
A Refined Margin Analysis for Boosting Algorithms via Equilibrium Margin.
J. Mach. Learn. Res., 2011

Learning from error: A two-level combined model for image classification.
Proceedings of the First Asian Conference on Pattern Recognition, 2011

2010
Towards Hypothesis Testing and Lossy Minimum Description Length: A Unified Segmentation Framework.
Proceedings of the Computer Vision - ACCV 2010, 2010

Segmentation via NCuts and Lossy Minimum Description Length: A Unified Approach.
Proceedings of the Computer Vision - ACCV 2010, 2010

2009
A Novel Margin Based Algorithm for Feature Extraction.
New Gener. Comput., 2009

Theory and Algorithm for Learning with Dissimilarity Functions.
Neural Comput., 2009

A Density-ratio Framework for Statistical Data Processing.
IPSJ Trans. Comput. Vis. Appl., 2009

Learning IMED via shift-invariant transformation.
Proceedings of the 2009 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2009), 2009

2008
On Feature Extraction via Kernels.
IEEE Trans. Syst. Man Cybern. Part B, 2008

On the Margin Explanation of Boosting Algorithms.
Proceedings of the 21st Annual Conference on Learning Theory, 2008

2007
Further results on the subspace distance.
Pattern Recognit., 2007

On learning with dissimilarity functions.
Proceedings of the Machine Learning, 2007

Rademacher Margin Complexity.
Proceedings of the Learning Theory, 20th Annual Conference on Learning Theory, 2007

2006
On image matrix based feature extraction algorithms.
IEEE Trans. Syst. Man Cybern. Part B, 2006

Subspace distance analysis with application to adaptive Bayesian algorithm for face recognition.
Pattern Recognit., 2006

Comments on "Fundamental Limits of Reconstruction-Based Superresolution Algorithms under Local Translation'.
IEEE Trans. Pattern Anal. Mach. Intell., 2006

2005
The equivalence of two-dimensional PCA to line-based PCA.
Pattern Recognit. Lett., 2005

Intrapersonal subspace analysis with application to adaptive Bayesian face recognition.
Pattern Recognit., 2005

On the Euclidean Distance of Images.
IEEE Trans. Pattern Anal. Mach. Intell., 2005


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