Search Results for author: Rui Xu

Found 91 papers, 37 papers with code

Memetic Search for Green Vehicle Routing Problem with Private Capacitated Refueling Stations

no code implementations6 Apr 2025 Rui Xu, Xing Fan, Shengcai Liu, Wenjie Chen, Ke Tang

The green vehicle routing problem with private capacitated alternative fuel stations (GVRP-PCAFS) extends the traditional green vehicle routing problem by considering refueling stations limited capacity, where a limited number of vehicles can refuel simultaneously with additional vehicles must wait.

Integrating mobile and fixed monitoring data for high-resolution PM2.5 mapping using machine learning

no code implementations16 Mar 2025 Rui Xu, Dawen Yao, Yuzhuang Pian, Ruhui Cao, Yixin Fu, Xinru Yang, Ting Gan, Yonghong Liu

Constructing high resolution air pollution maps at lower cost is crucial for sustainable city management and public health risk assessment.

Guess What I am Thinking: A Benchmark for Inner Thought Reasoning of Role-Playing Language Agents

no code implementations11 Mar 2025 Rui Xu, Mingyu Wang, Xintao Wang, Dakuan Lu, Xiaoyu Tan, Wei Chu, Yinghui Xu

To address this challenge, we propose MIRROR, a chain-of-thought approach that generates character thoughts by retrieving memories, predicting character reactions, and synthesizing motivations.

A$^2$ATS: Retrieval-Based KV Cache Reduction via Windowed Rotary Position Embedding and Query-Aware Vector Quantization

no code implementations18 Feb 2025 Junhui He, Junna Xing, Nan Wang, Rui Xu, Shangyu Wu, Peng Zhou, Qiang Liu, Chun Jason Xue, Qingan Li

A$^2$ATS aims to obtain an accurate approximation of attention scores by applying the vector quantization technique to key states, thereby enabling efficient and precise retrieval of the top-K tokens.

Position Quantization +1

CoSER: Coordinating LLM-Based Persona Simulation of Established Roles

1 code implementation13 Feb 2025 Xintao Wang, Heng Wang, Yifei Zhang, Xinfeng Yuan, Rui Xu, Jen-tse Huang, Siyu Yuan, Haoran Guo, Jiangjie Chen, Wei Wang, Yanghua Xiao, Shuchang Zhou

It provides authentic dialogues with real-world intricacies, as well as diverse data types such as conversation setups, character experiences and internal thoughts.

FactCG: Enhancing Fact Checkers with Graph-Based Multi-Hop Data

1 code implementation28 Jan 2025 Deren Lei, Yaxi Li, SiYao Li, Mengya Hu, Rui Xu, Ken Archer, Mingyu Wang, Emily Ching, Alex Deng

Prior research on training grounded factuality classification models to detect hallucinations in large language models (LLMs) has relied on public natural language inference (NLI) data and synthetic data.

Natural Language Inference Synthetic Data Generation

SCP-116K: A High-Quality Problem-Solution Dataset and a Generalized Pipeline for Automated Extraction in the Higher Education Science Domain

1 code implementation26 Jan 2025 Dakuan Lu, Xiaoyu Tan, Rui Xu, Tianchu Yao, Chao Qu, Wei Chu, Yinghui Xu, Yuan Qi

Recent breakthroughs in large language models (LLMs) exemplified by the impressive mathematical and scientific reasoning capabilities of the o1 model have spotlighted the critical importance of high-quality training data in advancing LLM performance across STEM disciplines.

Wasserstein-regularized Conformal Prediction under General Distribution Shift

no code implementations23 Jan 2025 Rui Xu, Chao Chen, Yue Sun, Parvathinathan Venkitasubramaniam, Sihong Xie

Conformal prediction yields a prediction set with guaranteed $1-\alpha$ coverage of the true target under the i. i. d.

Conformal Prediction Prediction +1

DEFOM-Stereo: Depth Foundation Model Based Stereo Matching

1 code implementation16 Jan 2025 Hualie Jiang, Zhiqiang Lou, Laiyan Ding, Rui Xu, Minglang Tan, Wenjie Jiang, Rui Huang

Thus, to facilitate robust stereo matching with monocular depth cues, we incorporate a robust monocular relative depth model into the recurrent stereo-matching framework, building a new framework for depth foundation model-based stereo-matching, DEFOM-Stereo.

Depth Estimation Disparity Estimation +3

SuperGaussians: Enhancing Gaussian Splatting Using Primitives with Spatially Varying Colors

1 code implementation28 Nov 2024 Rui Xu, Wenyue Chen, Jiepeng Wang, YuAn Liu, Peng Wang, Lin Gao, Shiqing Xin, Taku Komura, Xin Li, Wenping Wang

However, the current Gaussian primitives only have a single view-dependent color and an opacity to represent the appearance and geometry of the scene, resulting in a non-compact representation.

Novel View Synthesis

InvisMark: Invisible and Robust Watermarking for AI-generated Image Provenance

1 code implementation10 Nov 2024 Rui Xu, Mengya Hu, Deren Lei, Yaxi Li, David Lowe, Alex Gorevski, Mingyu Wang, Emily Ching, Alex Deng

The proliferation of AI-generated images has intensified the need for robust content authentication methods.

SSIM

CFPNet: Improving Lightweight ToF Depth Completion via Cross-zone Feature Propagation

1 code implementation7 Nov 2024 Laiyan Ding, Hualie Jiang, Rui Xu, Rui Huang

Previous methods fail to propagate depth features from the zone area to the outside-zone area effectively, thus suffering from degraded depth completion performance outside the zone.

Depth Completion

Protecting Copyright of Medical Pre-trained Language Models: Training-Free Backdoor Model Watermarking

no code implementations14 Sep 2024 Cong Kong, Rui Xu, Weixi Chen, Jiawei Chen, Zhaoxia Yin

Our method employs low-frequency words as triggers, embedding the watermark by replacing their embeddings in the model's word embedding layer with those of specific medical terms.

Model extraction Word Embeddings

SLM Meets LLM: Balancing Latency, Interpretability and Consistency in Hallucination Detection

1 code implementation22 Aug 2024 Mengya Hu, Rui Xu, Deren Lei, Yaxi Li, Mingyu Wang, Emily Ching, Eslam Kamal, Alex Deng

Large language models (LLMs) are highly capable but face latency challenges in real-time applications, such as conducting online hallucination detection.

Hallucination Language Modeling +2

PathInsight: Instruction Tuning of Multimodal Datasets and Models for Intelligence Assisted Diagnosis in Histopathology

no code implementations13 Aug 2024 Xiaomin Wu, Rui Xu, Pengchen Wei, Wenkang Qin, Peixiang Huang, Ziheng Li, Lin Luo

We conducted a qualitative assessment of the capabilities of the base model and the fine-tuned model in performing image captioning and classification tasks on the specific dataset.

Image Captioning

Retinal IPA: Iterative KeyPoints Alignment for Multimodal Retinal Imaging

no code implementations25 Jul 2024 Jiacheng Wang, Hao Li, Dewei Hu, Rui Xu, Xing Yao, Yuankai K. Tao, Ipek Oguz

We propose a novel framework for retinal feature point alignment, designed for learning cross-modality features to enhance matching and registration across multi-modality retinal images.

Segmentation

MINDECHO: Role-Playing Language Agents for Key Opinion Leaders

no code implementations7 Jul 2024 Rui Xu, Dakuan Lu, Xiaoyu Tan, Xintao Wang, Siyu Yuan, Jiangjie Chen, Wei Chu, Yinghui Xu

Large language models~(LLMs) have demonstrated impressive performance in various applications, among which role-playing language agents (RPLAs) have engaged a broad user base.

Retrieval

Capturing Minds, Not Just Words: Enhancing Role-Playing Language Models with Personality-Indicative Data

1 code implementation27 Jun 2024 Yiting Ran, Xintao Wang, Rui Xu, Xinfeng Yuan, Jiaqing Liang, Deqing Yang, Yanghua Xiao

Role-playing agents (RPA) have been a popular application area for large language models (LLMs), attracting significant interest from both industry and academia. While existing RPAs well portray the characters' knowledge and tones, they face challenges in capturing their minds, especially for small role-playing language models (RPLMs).

PuTR: A Pure Transformer for Decoupled and Online Multi-Object Tracking

1 code implementation23 May 2024 Chongwei Liu, Haojie Li, Zhihui Wang, Rui Xu

Although graph-based approaches can address this issue by modeling trajectories as a graph in the decoupled manner, their non-online nature poses obstacles for real-time applications.

Multi-Object Tracking Object +1

ComboStoc: Combinatorial Stochasticity for Diffusion Generative Models

no code implementations22 May 2024 Rui Xu, Jiepeng Wang, Hao Pan, Yang Liu, Xin Tong, Shiqing Xin, Changhe Tu, Taku Komura, Wenping Wang

We show that the space spanned by the combination of dimensions and attributes is insufficiently sampled by existing training scheme of diffusion generative models, causing degraded test time performance.

NeurCross: A Self-Supervised Neural Approach for Representing Cross Fields in Quad Mesh Generation

no code implementations22 May 2024 Qiujie Dong, Huibiao Wen, Rui Xu, Xiaokang Yu, Jiaran Zhou, Shuangmin Chen, Shiqing Xin, Changhe Tu, Wenping Wang

Quadrilateral mesh generation plays a crucial role in numerical simulations within Computer-Aided Design and Engineering (CAD/E).

AtomGS: Atomizing Gaussian Splatting for High-Fidelity Radiance Field

1 code implementation20 May 2024 Rong Liu, Rui Xu, Yue Hu, Meida Chen, Andrew Feng

3D Gaussian Splatting (3DGS) has recently advanced radiance field reconstruction by offering superior capabilities for novel view synthesis and real-time rendering speed.

3DGS Novel View Synthesis

Visual Mamba: A Survey and New Outlooks

1 code implementation29 Apr 2024 Rui Xu, Shu Yang, Yihui Wang, Yu Cai, Bo Du, Hao Chen

Mamba, a recent selective structured state space model, excels in long sequence modeling, which is vital in the large model era.

Mamba Survey

From Persona to Personalization: A Survey on Role-Playing Language Agents

no code implementations28 Apr 2024 Jiangjie Chen, Xintao Wang, Rui Xu, Siyu Yuan, Yikai Zhang, Wei Shi, Jian Xie, Shuang Li, Ruihan Yang, Tinghui Zhu, Aili Chen, Nianqi Li, Lida Chen, Caiyu Hu, Siye Wu, Scott Ren, Ziquan Fu, Yanghua Xiao

Through this work, we aim to establish a clear taxonomy of RPLA research and applications, and facilitate future research in this critical and ever-evolving field, and pave the way for a future where humans and RPLAs coexist in harmony.

In-Context Learning Instruction Following

CWF: Consolidating Weak Features in High-quality Mesh Simplification

no code implementations24 Apr 2024 Rui Xu, Longdu Liu, Ningna Wang, Shuangmin Chen, Shiqing Xin, Xiaohu Guo, Zichun Zhong, Taku Komura, Wenping Wang, Changhe Tu

In mesh simplification, common requirements like accuracy, triangle quality, and feature alignment are often considered as a trade-off.

Uncertainty Quantification on Graph Learning: A Survey

no code implementations23 Apr 2024 Chao Chen, Chenghua Guo, Rui Xu, Xiangwen Liao, Xi Zhang, Sihong Xie, Hui Xiong, Philip Yu

Graphical models, including Graph Neural Networks (GNNs) and Probabilistic Graphical Models (PGMs), have demonstrated their exceptional capabilities across numerous fields.

Decision Making Graph Learning +2

NeurCADRecon: Neural Representation for Reconstructing CAD Surfaces by Enforcing Zero Gaussian Curvature

no code implementations20 Apr 2024 Qiujie Dong, Rui Xu, Pengfei Wang, Shuangmin Chen, Shiqing Xin, Xiaohong Jia, Wenping Wang, Changhe Tu

Despite recent advances in reconstructing an organic model with the neural signed distance function (SDF), the high-fidelity reconstruction of a CAD model directly from low-quality unoriented point clouds remains a significant challenge.

Evaluating Character Understanding of Large Language Models via Character Profiling from Fictional Works

1 code implementation19 Apr 2024 Xinfeng Yuan, Siyu Yuan, Yuhan Cui, Tianhe Lin, Xintao Wang, Rui Xu, Jiangjie Chen, Deqing Yang

The prerequisite for these RPAs lies in the capability of LLMs to understand characters from fictional works.

SurveyAgent: A Conversational System for Personalized and Efficient Research Survey

no code implementations9 Apr 2024 Xintao Wang, Jiangjie Chen, Nianqi Li, Lida Chen, Xinfeng Yuan, Wei Shi, Xuyang Ge, Rui Xu, Yanghua Xiao

In the rapidly advancing research fields such as AI, managing and staying abreast of the latest scientific literature has become a significant challenge for researchers.

Management Question Answering +1

MAEDiff: Masked Autoencoder-enhanced Diffusion Models for Unsupervised Anomaly Detection in Brain Images

no code implementations19 Jan 2024 Rui Xu, Yunke Wang, Bo Du

To address these two issues, we propose a novel Masked Autoencoder-enhanced Diffusion Model (MAEDiff) for unsupervised anomaly detection in brain images.

Unsupervised Anomaly Detection

RomniStereo: Recurrent Omnidirectional Stereo Matching

1 code implementation9 Jan 2024 Hualie Jiang, Rui Xu, Minglang Tan, Wenjie Jiang

To bridge the gap between OSM and RAFT, we mainly propose an opposite adaptive weighting scheme to seamlessly transform the outputs of spherical sweeping of OSM into the required inputs for the recurrent update, thus creating a recurrent omnidirectional stereo matching (RomniStereo) algorithm.

Decoder Optical Flow Estimation +1

Improving Vision-and-Language Reasoning via Spatial Relations Modeling

no code implementations9 Nov 2023 Cheng Yang, Rui Xu, Ye Guo, Peixiang Huang, Yiru Chen, Wenkui Ding, Zhongyuan Wang, Hong Zhou

Further, we design two pre-training tasks named object position regression (OPR) and spatial relation classification (SRC) to learn to reconstruct the spatial relation graph respectively.

Position regression Relation +3

SCAAT: Improving Neural Network Interpretability via Saliency Constrained Adaptive Adversarial Training

no code implementations9 Nov 2023 Rui Xu, Wenkang Qin, Peixiang Huang, Hao Wang, Lin Luo

Deep Neural Networks (DNNs) are expected to provide explanation for users to understand their black-box predictions.

Assessing and Enhancing Robustness of Deep Learning Models with Corruption Emulation in Digital Pathology

no code implementations31 Oct 2023 Peixiang Huang, Songtao Zhang, Yulu Gan, Rui Xu, Rongqi Zhu, Wenkang Qin, Limei Guo, Shan Jiang, Lin Luo

Deep learning in digital pathology brings intelligence and automation as substantial enhancements to pathological analysis, the gold standard of clinical diagnosis.

Diagnostic

What a Whole Slide Image Can Tell? Subtype-guided Masked Transformer for Pathological Image Captioning

no code implementations31 Oct 2023 Wenkang Qin, Rui Xu, Peixiang Huang, Xiaomin Wu, Heyu Zhang, Lin Luo

Pathological captioning of Whole Slide Images (WSIs), though is essential in computer-aided pathological diagnosis, has rarely been studied due to the limitations in datasets and model training efficacy.

Image Captioning Sentence +1

InCharacter: Evaluating Personality Fidelity in Role-Playing Agents through Psychological Interviews

2 code implementations27 Oct 2023 Xintao Wang, Yunze Xiao, Jen-tse Huang, Siyu Yuan, Rui Xu, Haoran Guo, Quan Tu, Yaying Fei, Ziang Leng, Wei Wang, Jiangjie Chen, Cheng Li, Yanghua Xiao

Then, with InCharacter, we show that state-of-the-art RPAs exhibit personalities highly aligned with the human-perceived personalities of the characters, achieving an accuracy up to 80. 7%.

MiChao-HuaFen 1.0: A Specialized Pre-trained Corpus Dataset for Domain-specific Large Models

no code implementations21 Sep 2023 Yidong Liu, FuKai Shang, Fang Wang, Rui Xu, Jun Wang, Wei Li, Yao Li, Conghui He

With the advancement of deep learning technologies, general-purpose large models such as GPT-4 have demonstrated exceptional capabilities across various domains.

Deep Learning

Rethinking the Localization in Weakly Supervised Object Localization

no code implementations11 Aug 2023 Rui Xu, Yong Luo, Han Hu, Bo Du, Jialie Shen, Yonggang Wen

Weakly supervised object localization (WSOL) is one of the most popular and challenging tasks in computer vision.

Object Weakly-Supervised Object Localization

A Task-driven Network for Mesh Classification and Semantic Part Segmentation

no code implementations8 Jun 2023 Qiujie Dong, Xiaoran Gong, Rui Xu, Zixiong Wang, Shuangmin Chen, Shiqing Xin, Changhe Tu, Wenping Wang

With the rapid development of geometric deep learning techniques, many mesh-based convolutional operators have been proposed to bridge irregular mesh structures and popular backbone networks.

Segmentation Semantic Segmentation

AGI for Agriculture

no code implementations12 Apr 2023 Guoyu Lu, Sheng Li, Gengchen Mai, Jin Sun, Dajiang Zhu, Lilong Chai, Haijian Sun, Xianqiao Wang, Haixing Dai, Ninghao Liu, Rui Xu, Daniel Petti, Tianming Liu, Changying Li

Artificial General Intelligence (AGI) is poised to revolutionize a variety of sectors, including healthcare, finance, transportation, and education.

Decision Making Knowledge Graphs +1

Unsupervised Cross-domain Pulmonary Nodule Detection without Source Data

1 code implementation3 Apr 2023 Rui Xu, Yong Luo, Bo Du

Cross-domain pulmonary nodule detection suffers from performance degradation due to a large shift of data distributions between the source and target domain.

Contrastive Learning object-detection +2

SGDA: Towards 3D Universal Pulmonary Nodule Detection via Slice Grouped Domain Attention

1 code implementation7 Mar 2023 Rui Xu, Zhi Liu, Yong Luo, Han Hu, Li Shen, Bo Du, Kaiming Kuang, Jiancheng Yang

To address this issue, we propose a slice grouped domain attention (SGDA) module to enhance the generalization capability of the pulmonary nodule detection networks.

Computed Tomography (CT)

POSTER++: A simpler and stronger facial expression recognition network

1 code implementation28 Jan 2023 Jiawei Mao, Rui Xu, Xuesong Yin, Yuanqi Chang, Binling Nie, Aibin Huang

POSTER achieves the state-of-the-art (SOTA) performance in FER by effectively combining facial landmark and image features through two-stream pyramid cross-fusion design.

Facial Expression Recognition Facial Expression Recognition (FER)

More comprehensive facial inversion for more effective expression recognition

1 code implementation24 Nov 2022 Jiawei Mao, Guangyi Zhao, Yuanqi Chang, Xuesong Yin, Xiaogang Peng, Rui Xu

We extensively evaluate ASIT on facial datasets such as FFHQ and CelebA-HQ, showing that our approach achieves state-of-the-art facial inversion performance.

Facial Expression Recognition Facial Expression Recognition (FER) +1

LSSANet: A Long Short Slice-Aware Network for Pulmonary Nodule Detection

1 code implementation3 Aug 2022 Rui Xu, Yong Luo, Bo Du, Kaiming Kuang, Jiancheng Yang

Convolutional neural networks (CNNs) have been demonstrated to be highly effective in the field of pulmonary nodule detection.

Computed Tomography (CT)

An Adaptive Federated Relevance Framework for Spatial Temporal Graph Learning

no code implementations7 Jun 2022 Tiehua Zhang, Yuze Liu, Zhishu Shen, Rui Xu, Xin Chen, Xiaowei Huang, Xi Zheng

Spatial-temporal data contains rich information and has been widely studied in recent years due to the rapid development of relevant applications in many fields.

Federated Learning Graph Learning

Neighbors Are Not Strangers: Improving Non-Autoregressive Translation under Low-Frequency Lexical Constraints

1 code implementation NAACL 2022 Chun Zeng, Jiangjie Chen, Tianyi Zhuang, Rui Xu, Hao Yang, Ying Qin, Shimin Tao, Yanghua Xiao

To this end, we propose a plug-in algorithm for this line of work, i. e., Aligned Constrained Training (ACT), which alleviates this problem by familiarizing the model with the source-side context of the constraints.

Translation

E-KAR: A Benchmark for Rationalizing Natural Language Analogical Reasoning

no code implementations Findings (ACL) 2022 Jiangjie Chen, Rui Xu, Ziquan Fu, Wei Shi, Zhongqiao Li, Xinbo Zhang, Changzhi Sun, Lei LI, Yanghua Xiao, Hao Zhou

Holding the belief that models capable of reasoning should be right for the right reasons, we propose a first-of-its-kind Explainable Knowledge-intensive Analogical Reasoning benchmark (E-KAR).

Explanation Generation Question Answering

Domain Disentangled Generative Adversarial Network for Zero-Shot Sketch-Based 3D Shape Retrieval

no code implementations24 Feb 2022 Rui Xu, Zongyan Han, Le Hui, Jianjun Qian, Jin Xie

Then, we develop a generative adversarial network that combines the domain-specific features of the seen categories with the aligned domain-invariant features to synthesize samples, where the synthesized samples of the unseen categories are generated by using the corresponding word embeddings.

3D Shape Retrieval Generative Adversarial Network +2

SSDL: Self-Supervised Dictionary Learning

no code implementations3 Dec 2021 Shuai Shao, Lei Xing, Wei Yu, Rui Xu, Yanjiang Wang, BaoDi Liu

Inspired by the concept of self-supervised learning (e. g., setting the pretext task to generate a universal model for the downstream task), we propose a Self-Supervised Dictionary Learning (SSDL) framework to address this challenge.

Dictionary Learning Human Activity Recognition +1

MDFM: Multi-Decision Fusing Model for Few-Shot Learning

no code implementations1 Dec 2021 Shuai Shao, Lei Xing, Rui Xu, Weifeng Liu, Yan-Jiang Wang, Bao-Di Liu

Inspired by this assumption, we propose a novel method Multi-Decision Fusing Model (MDFM), which comprehensively considers the decisions based on multiple FEMs to enhance the efficacy and robustness of the model.

Few-Shot Learning

Uncertainty quantification and inverse modeling for subsurface flow in 3D heterogeneous formations using a theory-guided convolutional encoder-decoder network

no code implementations14 Nov 2021 Rui Xu, Dongxiao Zhang, Nanzhe Wang

The surrogate models are used to conduct uncertainty quantification considering a stochastic permeability field, as well as to infer unknown permeability information based on limited well production data and observation data of formation properties.

Computational Efficiency Decoder +2

Learning Scene Structure Guidance via Cross-Task Knowledge Transfer for Single Depth Super-Resolution

no code implementations CVPR 2021 Baoli Sun, Xinchen Ye, Baopu Li, Haojie Li, Zhihui Wang, Rui Xu

First, we design a cross-task distillation scheme that encourages DSR and DE networks to learn from each other in a teacher-student role-exchanging fashion.

Depth Estimation Super-Resolution +1

BaPipe: Exploration of Balanced Pipeline Parallelism for DNN Training

no code implementations23 Dec 2020 Letian Zhao, Rui Xu, Tianqi Wang, Teng Tian, Xiaotian Wang, Wei Wu, Chio-in Ieong, Xi Jin

The size of deep neural networks (DNNs) grows rapidly as the complexity of the machine learning algorithm increases.

Positional Encoding as Spatial Inductive Bias in GANs

no code implementations CVPR 2021 Rui Xu, Xintao Wang, Kai Chen, Bolei Zhou, Chen Change Loy

In this work, taking SinGAN and StyleGAN2 as examples, we show that such capability, to a large extent, is brought by the implicit positional encoding when using zero padding in the generators.

Image Manipulation Inductive Bias +1

CARAFE++: Unified Content-Aware ReAssembly of FEatures

no code implementations7 Dec 2020 Jiaqi Wang, Kai Chen, Rui Xu, Ziwei Liu, Chen Change Loy, Dahua Lin

Feature reassembly, i. e. feature downsampling and upsampling, is a key operation in a number of modern convolutional network architectures, e. g., residual networks and feature pyramids.

Image Inpainting Instance Segmentation +3

Precessions of Spheroidal Stars under Lorentz Violation and Observational Consequences

no code implementations2 Dec 2020 Rui Xu, Yong Gao, Lijing Shao

The Standard-Model Extension (SME) is an effective-field-theoretic framework that catalogs all Lorentz-violating field operators.

General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena High Energy Physics - Phenomenology

DLDL: Dynamic Label Dictionary Learning via Hypergraph Regularization

no code implementations23 Oct 2020 Shuai Shao, Mengke Wang, Rui Xu, Yan-Jiang Wang, Bao-Di Liu

To tackle this issue, we propose a Dynamic Label Dictionary Learning (DLDL) algorithm to generate the soft label matrix for unlabeled data.

Dictionary Learning

SAHDL: Sparse Attention Hypergraph Regularized Dictionary Learning

no code implementations23 Oct 2020 Shuai Shao, Rui Xu, Yan-Jiang Wang, Weifeng Liu, Bao-Di Liu

In this paper, we propose a hypergraph based sparse attention mechanism to tackle this issue and embed it into dictionary learning.

Dictionary Learning

VolumeNet: A Lightweight Parallel Network for Super-Resolution of Medical Volumetric Data

no code implementations16 Oct 2020 Yinhao Li, Yutaro Iwamoto, Lanfen Lin, Rui Xu, Yen-Wei Chen

We construct a parallel connection structure based on the group convolution and feature aggregation to build a 3D CNN that is as wide as possible with few parameters.

Super-Resolution

Texture Memory-Augmented Deep Patch-Based Image Inpainting

1 code implementation28 Sep 2020 Rui Xu, Minghao Guo, Jiaqi Wang, Xiaoxiao Li, Bolei Zhou, Chen Change Loy

By bringing together the best of both paradigms, we propose a new deep inpainting framework where texture generation is guided by a texture memory of patch samples extracted from unmasked regions.

Image Inpainting Retrieval +1

Weak Form Theory-guided Neural Network (TgNN-wf) for Deep Learning of Subsurface Single and Two-phase Flow

no code implementations8 Sep 2020 Rui Xu, Dongxiao Zhang, Miao Rong, Nanzhe Wang

In the weak form, high order derivatives in the PDE can be transferred to the test functions by performing integration-by-parts, which reduces computational error.

Form

Progressive Point Cloud Deconvolution Generation Network

1 code implementation ECCV 2020 Le Hui, Rui Xu, Jin Xie, Jianjun Qian, Jian Yang

Starting from the low-resolution point clouds, with the bilateral interpolation and max-pooling operations, the deconvolution network can progressively output high-resolution local and global feature maps.

Point Cloud Generation

Discovering Symbolic Models from Deep Learning with Inductive Biases

3 code implementations NeurIPS 2020 Miles Cranmer, Alvaro Sanchez-Gonzalez, Peter Battaglia, Rui Xu, Kyle Cranmer, David Spergel, Shirley Ho

The technique works as follows: we first encourage sparse latent representations when we train a GNN in a supervised setting, then we apply symbolic regression to components of the learned model to extract explicit physical relations.

Deep Learning Symbolic Regression

Boosting Connectivity in Retinal Vessel Segmentation via a Recursive Semantics-Guided Network

no code implementations24 Apr 2020 Rui Xu, Tiantian Liu, Xinchen Ye, Yen-Wei Chen

Many deep learning based methods have been proposed for retinal vessel segmentation, however few of them focus on the connectivity of segmented vessels, which is quite important for a practical computer-aided diagnosis system on retinal images.

Retinal Vessel Segmentation Segmentation

Implications of the virus-encoded miRNA and host miRNA in the pathogenicity of SARS-CoV-2

no code implementations10 Apr 2020 Zhi Liu, Jianwei Wang, Yuyu Xu, Mengchen Guo, Kai Mi, Rui Xu, Yang Pei, Qiangkun Zhang, Xiaoting Luan, Zhibin Hu, Xingyin Liu#

The outbreak of COVID-19 caused by SARS-CoV-2 has rapidly spread worldwide and has caused over 1, 400, 000 infections and 80, 000 deaths.

Genomics Biomolecules

Hearing Lips: Improving Lip Reading by Distilling Speech Recognizers

1 code implementation26 Nov 2019 Ya Zhao, Rui Xu, Xinchao Wang, Peng Hou, Haihong Tang, Mingli Song

In this paper, we propose a new method, termed as Lip by Speech (LIBS), of which the goal is to strengthen lip reading by learning from speech recognizers.

Knowledge Distillation Lipreading +3

Learning Symbolic Physics with Graph Networks

no code implementations12 Sep 2019 Miles D. Cranmer, Rui Xu, Peter Battaglia, Shirley Ho

We introduce an approach for imposing physically motivated inductive biases on graph networks to learn interpretable representations and improved zero-shot generalization.

Inductive Bias Symbolic Regression +1

A Cascade Sequence-to-Sequence Model for Chinese Mandarin Lip Reading

no code implementations14 Aug 2019 Ya Zhao, Rui Xu, Mingli Song

When trained on CMLR dataset, the proposed CSSMCM surpasses the performance of state-of-the-art lip reading frameworks, which confirms the effectiveness of explicit modeling of tones for Chinese Mandarin lip reading.

Lipreading Lip Reading +1

Deep Flow-Guided Video Inpainting

2 code implementations CVPR 2019 Rui Xu, Xiaoxiao Li, Bolei Zhou, Chen Change Loy

Then the synthesized flow field is used to guide the propagation of pixels to fill up the missing regions in the video.

One-shot visual object segmentation Optical Flow Estimation +2

Label Embedded Dictionary Learning for Image Classification

1 code implementation7 Mar 2019 Shuai Shao, Yan-Jiang Wang, Bao-Di Liu, Weifeng Liu, Rui Xu

Recently, label consistent k-svd (LC-KSVD) algorithm has been successfully applied in image classification.

Classification Dictionary Learning +2

Power Plant Performance Modeling with Concept Drift

no code implementations19 Oct 2017 Rui Xu, Yunwen Xu, Weizhong Yan

Power plant is a complex and nonstationary system for which the traditional machine learning modeling approaches fall short of expectations.

BIG-bench Machine Learning regression

Concept Drift Learning with Alternating Learners

no code implementations18 Oct 2017 Yunwen Xu, Rui Xu, Weizhong Yan, Paul Ardis

Data-driven predictive analytics are in use today across a number of industrial applications, but further integration is hindered by the requirement of similarity among model training and test data distributions.

Linear Vlasov theory of a magnetised, thermally stratified atmosphere

1 code implementation18 Aug 2016 Rui Xu, Matthew W. Kunz

At sub-ion-Larmor scales, we discover an overstability driven by the electron temperature gradient of kinetic-Alfv\'en drift waves -- the electron MTI (eMTI) -- whose growth rate is even larger than the standard MTI.

High Energy Astrophysical Phenomena Plasma Physics

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