Search Results for author: Xin Ma

Found 45 papers, 13 papers with code

A strictly predefined-time convergent and anti-noise fractional-order zeroing neural network for solving time-variant quadratic programming in kinematic robot control

no code implementations22 Feb 2025 Yi Yang, Xiao Li, Xuchen Wang, Mei Liu, Junwei Yin, Weibing Li, Richard M. Voyles, Xin Ma

This paper proposes a strictly predefined-time convergent and anti-noise fractional-order zeroing neural network (SPTC-AN-FOZNN) model, meticulously designed for addressing time-variant quadratic programming (TVQP) problems.

Computational Efficiency

A Predefined-Time Convergent and Noise-Tolerant Zeroing Neural Network Model for Time Variant Quadratic Programming With Application to Robot Motion Planning

no code implementations29 Dec 2024 Yi Yang, Xuchen Wang, Richard M. Voyles, Xin Ma

This paper develops a predefined-time convergent and noise-tolerant fractional-order zeroing neural network (PTC-NT-FOZNN) model, innovatively engineered to tackle time-variant quadratic programming (TVQP) challenges.

Computational Efficiency Motion Planning

COMO: Cross-Mamba Interaction and Offset-Guided Fusion for Multimodal Object Detection

no code implementations24 Dec 2024 Chang Liu, Xin Ma, Xiaochen Yang, Yuxiang Zhang, Yanni Dong

In this paper, we propose a novel approach called the CrOss-Mamba interaction and Offset-guided fusion (COMO) framework for multimodal object detection tasks.

Mamba Object +2

Provincial allocation of China's commercial building operational carbon towards carbon neutrality

no code implementations19 Dec 2024 Yanqiao Deng, Minda Ma, Nan Zhou, Chenchen Zou, Zhili Ma, Ran Yan, Xin Ma

Overall, this study offers optimized provincial carbon allocation strategies within the commercial building sector in China via dynamic scenario simulations, with the goal of hitting the carbon peak target and progressing toward a low-carbon future for the building sector.

Mesa-Extrapolation: A Weave Position Encoding Method for Enhanced Extrapolation in LLMs

1 code implementation21 Oct 2024 Xin Ma, Yang Liu, Jingjing Liu, Xiaoxu Ma

Our findings reveal that with meticulous weave position, PE can indeed be extended beyond effective range.

Position

AIPatient: Simulating Patients with EHRs and LLM Powered Agentic Workflow

no code implementations27 Sep 2024 Huizi Yu, Jiayan Zhou, Lingyao Li, Shan Chen, Jack Gallifant, Anye Shi, Xiang Li, Wenyue Hua, Mingyu Jin, Guang Chen, Yang Zhou, Zhao Li, Trisha Gupte, Ming-Li Chen, Zahra Azizi, Yongfeng Zhang, Themistocles L. Assimes, Xin Ma, Danielle S. Bitterman, Lin Lu, Lizhou Fan

Here, we developed AIPatient, an advanced simulated patient system with AIPatient Knowledge Graph (AIPatient KG) as the input and the Reasoning Retrieval-Augmented Generation (Reasoning RAG) agentic workflow as the generation backbone.

Question Answering RAG +1

A multi-source data power load forecasting method using attention mechanism-based parallel cnn-gru

no code implementations26 Sep 2024 Chao Min, Yijia Wang, Bo Zhang, Xin Ma, Junyi Cui

From the model-agnostic perspective, this paper proposes a parallel structure network to extract important information from both dynamic and static data.

Learning Theory Load Forecasting

Enhancing Autism Spectrum Disorder Early Detection with the Parent-Child Dyads Block-Play Protocol and an Attention-enhanced GCN-xLSTM Hybrid Deep Learning Framework

no code implementations29 Aug 2024 Xiang Li, Lizhou Fan, Hanbo Wu, Kunping Chen, Xiaoxiao Yu, Chao Che, Zhifeng Cai, Xiuhong Niu, Aihua Cao, Xin Ma

By learning these global features with spatio-temporal correlations, our 2sGCN-AxLSTM effectively analyzes dynamic human behavior patterns and demonstrates an unprecedented accuracy of 89. 6\% in early detection of ASD.

Action Analysis

Cinemo: Consistent and Controllable Image Animation with Motion Diffusion Models

1 code implementation22 Jul 2024 Xin Ma, Yaohui Wang, Gengyun Jia, Xinyuan Chen, Yuan-Fang Li, Cunjian Chen, Yu Qiao

Diffusion models have achieved great progress in image animation due to powerful generative capabilities.

Image Animation

Advancements in Recommender Systems: A Comprehensive Analysis Based on Data, Algorithms, and Evaluation

no code implementations10 Jul 2024 Xin Ma, Mingyue Li, Xuguang Liu

Using 286 research papers collected from Web of Science, ScienceDirect, SpringerLink, arXiv, and Google Scholar databases, a systematic review methodology was adopted to review and summarize the current challenges and potential future developments in data, algorithms, and evaluation aspects of RSs.

Causal Inference Collaborative Filtering +5

China's plug-in hybrid electric vehicle transition: an operational carbon perspective

no code implementations12 May 2024 Yanqiao Deng, Minda Ma, Nan Zhou, Zhili Ma, Ran Yan, Xin Ma

This study is the first to adopt a bottom-up model to measure the real-world energy use and carbon dioxide emissions of China's top twenty selling PHEV models across different regions from 2020 to 2022.

A Minimal Set of Parameters Based Depth-Dependent Distortion Model and Its Calibration Method for Stereo Vision Systems

no code implementations30 Apr 2024 Xin Ma, Puchen Zhu, Xiao Li, Xiaoyin Zheng, Jianshu Zhou, Xuchen Wang, Kwok Wai Samuel Au

In this work, we propose a minimal set of parameters based depth-dependent distortion model (MDM), which considers the radial and decentering distortions of the lens to improve the accuracy of stereo vision systems and simplify their calibration process.

Large Language Models in Biomedical and Health Informatics: A Review with Bibliometric Analysis

no code implementations24 Mar 2024 Huizi Yu, Lizhou Fan, Lingyao Li, Jiayan Zhou, Zihui Ma, Lu Xian, Wenyue Hua, Sijia He, Mingyu Jin, Yongfeng Zhang, Ashvin Gandhi, Xin Ma

Large Language Models (LLMs) have rapidly become important tools in Biomedical and Health Informatics (BHI), enabling new ways to analyze data, treat patients, and conduct research.

Diagnostic Management +1

Inter-object Discriminative Graph Modeling for Indoor Scene Recognition

no code implementations10 Nov 2023 Chuanxin Song, Hanbo Wu, Xin Ma

Leveraging object information within scenes to enhance the distinguishability of feature representations has emerged as a key approach in this domain.

Object Scene Recognition

SEINE: Short-to-Long Video Diffusion Model for Generative Transition and Prediction

no code implementations31 Oct 2023 Xinyuan Chen, Yaohui Wang, Lingjun Zhang, Shaobin Zhuang, Xin Ma, Jiashuo Yu, Yali Wang, Dahua Lin, Yu Qiao, Ziwei Liu

The goal is to generate high-quality long videos with smooth and creative transitions between scenes and varying lengths of shot-level videos.

Prediction Semantic Similarity +3

On the Convergence of Federated Averaging under Partial Participation for Over-parameterized Neural Networks

no code implementations9 Oct 2023 Xin Liu, Wei Li, Dazhi Zhan, Yu Pan, Xin Ma, Yu Ding, Zhisong Pan

Federated learning (FL) is a widely employed distributed paradigm for collaboratively training machine learning models from multiple clients without sharing local data.

Federated Learning

LAVIE: High-Quality Video Generation with Cascaded Latent Diffusion Models

2 code implementations26 Sep 2023 Yaohui Wang, Xinyuan Chen, Xin Ma, Shangchen Zhou, Ziqi Huang, Yi Wang, Ceyuan Yang, Yinan He, Jiashuo Yu, Peiqing Yang, Yuwei Guo, Tianxing Wu, Chenyang Si, Yuming Jiang, Cunjian Chen, Chen Change Loy, Bo Dai, Dahua Lin, Yu Qiao, Ziwei Liu

To this end, we propose LaVie, an integrated video generation framework that operates on cascaded video latent diffusion models, comprising a base T2V model, a temporal interpolation model, and a video super-resolution model.

Text-to-Video Generation Video Generation +1

Semantic-embedded Similarity Prototype for Scene Recognition

no code implementations11 Aug 2023 Chuanxin Song, Hanbo Wu, Xin Ma, Yibin Li

Due to the high inter-class similarity caused by the complex composition and the co-existing objects across scenes, numerous studies have explored object semantic knowledge within scenes to improve scene recognition.

Object object-detection +3

Semantic-guided modeling of spatial relation and object co-occurrence for indoor scene recognition

no code implementations22 May 2023 Chuanxin Song, Hanbo Wu, Xin Ma

Secondly, both spatial features from the SSRM and deep features from the Image Feature Extraction Module are allocated to each object, so as to distinguish the coexisting object across different scenes.

Relation Scene Recognition +1

SRRM: Semantic Region Relation Model for Indoor Scene Recognition

1 code implementation15 May 2023 Chuanxin Song, Xin Ma

Despite the remarkable success of convolutional neural networks in various computer vision tasks, recognizing indoor scenes still presents a significant challenge due to their complex composition.

 Ranked #1 on Scene Recognition on MIT Indoor Scenes (10-stage average accuracy metric)

Relation Scene Recognition +1

LEO: Generative Latent Image Animator for Human Video Synthesis

5 code implementations6 May 2023 Yaohui Wang, Xin Ma, Xinyuan Chen, Cunjian Chen, Antitza Dantcheva, Bo Dai, Yu Qiao

Our key idea is to represent motion as a sequence of flow maps in the generation process, which inherently isolate motion from appearance.

Disentanglement Video Editing

Disjoint Masking with Joint Distillation for Efficient Masked Image Modeling

1 code implementation31 Dec 2022 Xin Ma, Chang Liu, Chunyu Xie, Long Ye, Yafeng Deng, Xiangyang Ji

Masked image modeling (MIM) has shown great promise for self-supervised learning (SSL) yet been criticized for learning inefficiency.

object-detection Object Detection +2

Accounting for Temporal Variability in Functional Magnetic Resonance Imaging Improves Prediction of Intelligence

1 code implementation11 Nov 2022 Yang Li, Xin Ma, Raj Sunderraman, Shihao Ji, Suprateek Kundu

We compare the prediction performance for different intelligence measures based on static FC, dynamic FC, and region level time series acquired from the Adolescent Brain Cognitive Development (ABCD) study involving close to 7000 individuals.

feature selection Functional Connectivity +3

High-dimensional Measurement Error Models for Lipschitz Loss

no code implementations26 Oct 2022 Xin Ma, Suprateek Kundu

Our estimator is designed to minimize the $L_1$ norm among all estimators belonging to suitable feasible sets, without requiring any knowledge of the noise distribution.

Functional Connectivity Gender Classification +2

FedSSO: A Federated Server-Side Second-Order Optimization Algorithm

no code implementations20 Jun 2022 Xin Ma, Renyi Bao, Jinpeng Jiang, Yang Liu, Arthur Jiang, Jun Yan, Xin Liu, Zhisong Pan

In this work, we propose FedSSO, a server-side second-order optimization method for federated learning (FL).

Federated Learning

TL-GAN: Improving Traffic Light Recognition via Data Synthesis for Autonomous Driving

no code implementations28 Mar 2022 Danfeng Wang, Xin Ma, Xiaodong Yang

Traffic light recognition, as a critical component of the perception module of self-driving vehicles, plays a vital role in the intelligent transportation systems.

Autonomous Driving Image Generation

Compressing Models with Few Samples: Mimicking then Replacing

1 code implementation CVPR 2022 Huanyu Wang, Junjie Liu, Xin Ma, Yang Yong, Zhenhua Chai, Jianxin Wu

Hence, previous methods optimize the compressed model layer-by-layer and try to make every layer have the same outputs as the corresponding layer in the teacher model, which is cumbersome.

Contrastive Attention Network with Dense Field Estimation for Face Completion

no code implementations20 Dec 2021 Xin Ma, Xiaoqiang Zhou, Huaibo Huang, Gengyun Jia, Zhenhua Chai, Xiaolin Wei

This multi-scale architecture is beneficial for the decoder to utilize discriminative representations learned from encoders into images.

Decoder Face Recognition +1

Separating Boundary Points via Structural Regularization for Very Compact Clusters

no code implementations9 Jun 2021 Xin Ma, Won Hwa Kim

VCC takes advantage of distributions of local relationships of samples near the boundary of clusters, so that they can be properly separated and pulled to cluster centers to form compact clusters.

Clustering Deep Clustering

Adaptive Deconvolution-based stereo matching Net for Local Stereo Matching

no code implementations1 Jan 2021 Xin Ma, Zhicheng Zhang, Danfeng Wang, Yu Luo, Hui Yuan

In deep learning-based local stereo matching methods, larger image patches usually bring better stereo matching accuracy.

Stereo Matching

Unsupervised Contrastive Photo-to-Caricature Translation based on Auto-distortion

no code implementations10 Nov 2020 Yuhe Ding, Xin Ma, Mandi Luo, Aihua Zheng, Ran He

Considering the intuitive artifacts in the existing methods, we propose a contrastive style loss for style rendering to enforce the similarity between the style of rendered photo and the caricature, and simultaneously enhance its discrepancy to the photos.

Caricature Photo-To-Caricature Translation +1

Almost elementariness and fiberwise amenability for étale groupoids

no code implementations2 Nov 2020 Xin Ma, Jianchao Wu

In this paper, we introduce two new approximation properties for \'etale groupoids, almost elementariness and (ubiquitous) fiberwise amenability, inspired by Matui's and Kerr's notions of almost finiteness.

Operator Algebras Dynamical Systems 22A22 (primary) 46L35, 51F30, 37A55, 37B05 (Secondary)

Free-Form Image Inpainting via Contrastive Attention Network

no code implementations29 Oct 2020 Xin Ma, Xiaoqiang Zhou, Huaibo Huang, Zhenhua Chai, Xiaolin Wei, Ran He

It is difficult for encoders to capture such powerful representations under this complex situation.

Decoder Form +1

Learning Multi-resolution Graph Edge Embedding for Discovering Brain Network Dysfunction in Neurological Disorders

no code implementations3 Dec 2019 Xin Ma, Guorong Wu, Seong Jae Hwang, Won Hwa Kim

Tremendous recent literature show that associations between different brain regions, i. e., brain connectivity, provide early symptoms of neurological disorders.

Diagnostic Graph Learning +1

Fast and Incremental Loop Closure Detection Using Proximity Graphs

1 code implementation25 Nov 2019 Shan An, Guangfu Che, Fangru Zhou, Xianglong Liu, Xin Ma, Yu Chen

Visual loop closure detection, which can be considered as an image retrieval task, is an important problem in SLAM (Simultaneous Localization and Mapping) systems.

Image Retrieval Loop Closure Detection +2

Batch Normalization Sampling

no code implementations25 Oct 2018 Zhaodong Chen, Lei Deng, Guoqi Li, Jiawei Sun, Xing Hu, Xin Ma, Yuan Xie

In this paper, we propose alleviating this problem through sampling only a small fraction of data for normalization at each iteration.

Computational Efficiency

Crossbar-aware neural network pruning

no code implementations25 Jul 2018 Ling Liang, Lei Deng, Yueling Zeng, Xing Hu, Yu Ji, Xin Ma, Guoqi Li, Yuan Xie

Crossbar architecture based devices have been widely adopted in neural network accelerators by taking advantage of the high efficiency on vector-matrix multiplication (VMM) operations.

Network Pruning

A brief introduction to the Grey Machine Learning

no code implementations4 May 2018 Xin Ma

A short discussion on the priority of this new framework to the existing grey models and LSSVM have also been discussed in this paper.

BIG-bench Machine Learning

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