Zhiqiang Xu | DeepAI

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Yang Wang
233 publications
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Peilin Zhao
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Zejun Ma
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Ruiyi Zhang
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∙ 07/30/2023

SR-R^2KAC: Improving Single Image Defocus Deblurring

We propose an efficient deep learning method for single image defocus de...

0 Peng Tang, et al. ∙

∙ 06/08/2023

A Cover Time Study of a non-Markovian Algorithm

Given a traversal algorithm, cover time is the expected number of steps ...

0 Guanhua Fang, et al. ∙

∙ 05/31/2023

Label-Retrieval-Augmented Diffusion Models for Learning from Noisy Labels

Learning from noisy labels is an important and long-standing problem in ...

0 Jian Chen, et al. ∙

∙ 03/14/2023

Asymptotically Sharp Upper Bound for the Column Subset Selection Problem

This paper investigates the spectral norm version of the column subset s...

0 Jian-Feng Cai, et al. ∙

∙ 10/19/2022

Robust Offline Reinforcement Learning with Gradient Penalty and Constraint Relaxation

A promising paradigm for offline reinforcement learning (RL) is to const...

0 Chengqian Gao, et al. ∙

∙ 09/19/2022

Affine phase retrieval for sparse signals via ℓ_1 minimization

Affine phase retrieval is the problem of recovering signals from the mag...

0 Meng Huang, et al. ∙

∙ 09/13/2022

No existence of linear algorithm for Fourier phase retrieval

Fourier phase retrieval, which seeks to reconstruct a signal from its Fo...

0 Meng Huang, et al. ∙

∙ 08/15/2022

Unsupervised Video Domain Adaptation: A Disentanglement Perspective

Unsupervised video domain adaptation is a practical yet challenging task...

10 Pengfei Wei, et al. ∙

∙ 04/20/2022

Strong convexity of affine phase retrieval

The recovery of a signal from the intensity measurements with some entri...

0 Meng Huang, et al. ∙

∙ 04/12/2022

The performance of quadratic models for complex phase retrieval

The aim of this paper is to study the performance of the amplitude-based...

0 Yu Xia, et al. ∙

∙ 02/17/2022

Local Differential Privacy for Belief Functions

In this paper, we propose two new definitions of local differential priv...

0 Qiyu Li, et al. ∙

∙ 04/22/2021

Uniqueness and stability for the solution of a nonlinear least squares problem

In this paper, we focus on the nonlinear least squares: _𝐱∈ℍ^d |A𝐱|-𝐛 wh...

0 Meng Huang, et al. ∙

∙ 08/20/2020

Sparse phase retrieval via Phaseliftoff

The aim of sparse phase retrieval is to recover a k-sparse signal 𝐱_0∈ℂ^...

0 Yu Xia, et al. ∙

∙ 07/14/2020

Graph Sparsification by Universal Greedy Algorithms

Graph sparsification is to approximate an arbitrary graph by a sparse gr...

0 Ming-Jun Lai, et al. ∙

∙ 04/19/2020

Performance bound of the intensity-based model for noisy phase retrieval

The aim of noisy phase retrieval is to estimate a signal x_0∈C^d from m ...

0 Meng Huang, et al. ∙

∙ 11/26/2019

The recovery of complex sparse signals from few phaseless measurements

We study the stable recovery of complex k-sparse signals from as few pha...

0 Yu Xia, et al. ∙

∙ 09/19/2019

Almost Everywhere Generalized Phase Retrieval

The aim of generalized phase retrieval is to recover x∈F^d from the quad...

0 Meng Huang, et al. ∙

∙ 04/22/2019

The estimation performance of nonlinear least squares for phase retrieval

Suppose that y= Ax_0+η where x_0∈R^d is the target signal and η∈R^m is a...

0 Meng Huang, et al. ∙

∙ 03/15/2019

Subset Selection for Matrices with Fixed Blocks

Subset selection for matrices is the task of extracting a column sub-mat...

0 Jiaxin Xie, et al. ∙

∙ 10/22/2018

On DC based Methods for Phase Retrieval

In this paper, we develop a new computational approach which is based on...

0 Meng Huang, et al. ∙

∙ 08/22/2018

Improved bounds for the RIP of Subsampled Circulant matrices

In this paper, we study the restricted isometry property of partial rand...

0 Meng Huang, et al. ∙

∙ 06/04/2018

Solving Systems of Quadratic Equations via Exponential-type Gradient Descent Algorithm

We consider the rank minimization problem from quadratic measurements, i...

0 Meng Huang, et al. ∙

∙ 05/21/2018

Phase retrieval from the norms of affine transformations

In this paper, we consider the generalized phase retrieval from affine m...

0 Meng Huang, et al. ∙

∙ 05/21/2018

Phase retrieval from the magnitudes of affine measurements

In this paper, we consider the generalized phase retrieval from affine m...

0 Meng Huang, et al. ∙

∙ 05/26/2016

Stochastic Variance Reduced Riemannian Eigensolver

We study the stochastic Riemannian gradient algorithm for matrix eigen-d...

0 Zhiqiang Xu, et al. ∙

∙ 12/25/2011

On B-spline framelets derived from the unitary extension principle

Spline wavelet tight frames of Ron-Shen have been used widely in frame b...

0 Zuowei Shen, et al. ∙

∙ 04/07/2008

Discrete schemes for Gaussian curvature and their convergence

In this paper, several discrete schemes for Gaussian curvature are surve...

0 Zhiqiang Xu, et al. ∙

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