activity
20162023
most citedImproving Adversarial Robustness via Promoting Ensemble Diversity

190 citations · 585 across the 29 of their papers we have counts for

collaborators

29 papers

astro-ph.GA2023★ 2 cited

The DESI One-Percent Survey: A concise model for galactic conformity of ELGs

Hongyu Gao, Y. P. Jing, Kun Xu +27

Galactic conformity is the phenomenon in which a galaxy of a certain physical property is correlated with its neighbors of the same property, implying a possible causal relationshi…

astro-ph.CO2023★ 20 cited

Evidence for baryon acoustic oscillations from galaxy-ellipticity correlations

Kun Xu, Y. P. Jing, Gong-Bo Zhao +1

The Baryon Acoustic Oscillations (BAO) feature in the clustering of galaxies or quasars provides a ``standard ruler" for distance measurements in cosmology. In this work, we report…

astro-ph.GA2023

The DESI One-Percent survey: constructing galaxy-halo connections for ELGs and LRGs using auto and cross correlations

Hongyu Gao, Y. P. Jing, Shanquan Gui +31

In the current Dark Energy Spectroscopic Instrument (DESI) survey, emission line galaxies (ELGs) and luminous red galaxies (LRGs) are essential for mapping the dark matter distribu…

astro-ph.GA2023★ 11 cited

Mass Dependence of Galaxy-Halo Alignment in LOWZ and CMASS

Kun Xu, Y. P. Jing, Hongyu Gao

We measure the galaxy-ellipticity (GI) correlations for the Slogan Digital Sky Survey DR12 LOWZ and CMASS samples with the shape measurements from the DESI Legacy Imaging Surveys.…

cs.CV2022★ 2 cited

PaletteNeRF: Palette-based Color Editing for NeRFs

Qiling Wu, Jianchao Tan, Kun Xu

Neural Radiance Field (NeRF) is a powerful tool to faithfully generate novel views for scenes with only sparse captured images. Despite its strong capability for representing 3D sc…

physics.flu-dyn2022★ 6 cited

Modeling and simulation in supersonic three-temperature carbon dioxide turbulent channel flow

Guiyu Cao, Yipeng Shi, Kun Xu +1

This paper pioneers the direct numerical simulation (DNS) and physical analysis in supersonic three-temperature carbon dioxide (CO2) turbulent channel flow. CO2 is a linear and sym…

math.PR2022

A study on the Poisson, geometric and Pascal distributions motivated by Chvátal's conjecture

Fu-Bo Li, Kun Xu, Ze-Chun Hu

Let denote a binomial random variable with parameters and . Vasěk Chvátal conjectured that for any fixed , as ranges over , the probabi…

physics.flu-dyn2022

High-order Gas-kinetic Schemes with Non-compact and Compact Reconstruction for Implicit Large Eddy Simulation

Wenjin Zhao, Guiyu Cao, Jianchun Wang +1

High-order gas-kinetic scheme (HGKS) with 5th-order non-compact reconstruction has been well implemented for implicit large eddy simulation (ILES) in nearly incompressible turbulen…

cs.CL2022

Discourse-Aware Graph Networks for Textual Logical Reasoning

Yinya Huang, Lemao Liu, Kun Xu +3

Textual logical reasoning, especially question-answering (QA) tasks with logical reasoning, requires awareness of particular logical structures. The passage-level logical relations…

physics.flu-dyn2021

Non-equilibrium time-relaxation kinetic model for compressible turbulence modeling

Guiyu Cao, Liang Pan, Kun Xu +2

For the first time, the non-equilibrium time-relaxation kinetic model (NTRKM) is proposed for compressible turbulence modeling on unresolved grids. Within the non-equilibrium time-…

cs.CL2020★ 7 cited

On the Role of Conceptualization in Commonsense Knowledge Graph Construction

Mutian He, Yangqiu Song, Kun Xu +1

Commonsense knowledge graphs (CKGs) like Atomic and ASER are substantially different from conventional KGs as they consist of much larger number of nodes formed by loosely-structur…

cs.LG2020★ 58 cited

A Survey of Adversarial Learning on Graphs

Liang Chen, Jintang Li, Jiaying Peng +6

Deep learning models on graphs have achieved remarkable performance in various graph analysis tasks, e.g., node classification, link prediction, and graph clustering. However, they…

cs.LG2020★ 67 cited

Boosting Adversarial Training with Hypersphere Embedding

Tianyu Pang, Xiao Yang, Yinpeng Dong +3

Adversarial training (AT) is one of the most effective defenses against adversarial attacks for deep learning models. In this work, we advocate incorporating the hypersphere embedd…

cs.LG2019★ 9 cited

Triple Generative Adversarial Networks

Chongxuan Li, Kun Xu, Jiashuo Liu +2

We propose a unified game-theoretical framework to perform classification and conditional image generation given limited supervision. It is formulated as a three-player minimax gam…

cs.LG2019

Efficient Global String Kernel with Random Features: Beyond Counting Substructures

Lingfei Wu, Ian En-Hsu Yen, Siyu Huo +5

Analysis of large-scale sequential data has been one of the most crucial tasks in areas such as bioinformatics, text, and audio mining. Existing string kernels, however, either (i)…

cs.LG2019★ 7 cited

Understanding and Stabilizing GANs' Training Dynamics with Control Theory

Kun Xu, Chongxuan Li, Jun Zhu +1

Generative adversarial networks (GANs) are effective in generating realistic images but the training is often unstable. There are existing efforts that model the training dynamics…

cs.LG2019★ 42 cited

Mixup Inference: Better Exploiting Mixup to Defend Adversarial Attacks

Tianyu Pang, Kun Xu, Jun Zhu

It has been widely recognized that adversarial examples can be easily crafted to fool deep networks, which mainly root from the locally non-linear behavior nearby input examples. A…

cs.LG2019★ 6 cited

Multi-objects Generation with Amortized Structural Regularization

Kun Xu, Chongxuan Li, Jun Zhu +1

Deep generative models (DGMs) have shown promise in image generation. However, most of the existing work learn the model by simply optimizing a divergence between the marginal dist…

cs.CL2019★ 5 cited

Lattice CNNs for Matching Based Chinese Question Answering

Yuxuan Lai, Yansong Feng, Xiaohan Yu +3

Short text matching often faces the challenges that there are great word mismatch and expression diversity between the two texts, which would be further aggravated in languages lik…

eess.SP2019★ 33 cited

Improved Decoding of Staircase Codes: The Soft-aided Bit-marking (SABM) Algorithm

Yi Lei, Bin Chen, Gabriele Liga +5

Staircase codes (SCCs) are typically decoded using iterative bounded-distance decoding (BDD) and hard decisions. In this paper, a novel decoding algorithm is proposed, which partia…

cs.LG2019★ 190 cited

Improving Adversarial Robustness via Promoting Ensemble Diversity

Tianyu Pang, Kun Xu, Chao Du +2

Though deep neural networks have achieved significant progress on various tasks, often enhanced by model ensemble, existing high-performance models can be vulnerable to adversarial…

cs.LG2019★ 4 cited

To Relieve Your Headache of Training an MRF, Take AdVIL

Chongxuan Li, Chao Du, Kun Xu +3

We propose a black-box algorithm called {\it Adversarial Variational Inference and Learning} (AdVIL) to perform inference and learning on a general Markov random field (MRF). AdVIL…

eess.SP2018★ 20 cited

Decoding Staircase Codes with Marked Bits

Yi Lei, Alex Alvarado, Bin Chen +4

Staircase codes (SCCs) are typically decoded using iterative bounded-distance decoding (BDD) and hard decisions. In this paper, a novel decoding algorithm is proposed, which partia…

cs.CL2018★ 6 cited

SQL-to-Text Generation with Graph-to-Sequence Model

Kun Xu, Lingfei Wu, Zhiguo Wang +2

Previous work approaches the SQL-to-text generation task using vanilla Seq2Seq models, which may not fully capture the inherent graph-structured information in SQL query. In this p…