Search Results for author: Xinyi Liu

Found 32 papers, 9 papers with code

V2XPnP: Vehicle-to-Everything Spatio-Temporal Fusion for Multi-Agent Perception and Prediction

1 code implementation2 Dec 2024 Zewei Zhou, Hao Xiang, Zhaoliang Zheng, Seth Z. Zhao, Mingyue Lei, Yun Zhang, Tianhui Cai, Xinyi Liu, Johnson Liu, Maheswari Bajji, Jacob Pham, Xin Xia, Zhiyu Huang, Bolei Zhou, Jiaqi Ma

Vehicle-to-everything (V2X) technologies offer a promising paradigm to mitigate the limitations of constrained observability in single-vehicle systems.

Data-Centric and Heterogeneity-Adaptive Sequence Parallelism for Efficient LLM Training

no code implementations2 Dec 2024 Yujie Wang, Shiju Wang, Shenhan Zhu, Fangcheng Fu, Xinyi Liu, Xuefeng Xiao, Huixia Li, Jiashi Li, Faming Wu, Bin Cui

Furthermore, we implement our method in a high-performance system that supports adaptive parallelization in distributed LLM training.

Perturbation-based Graph Active Learning for Weakly-Supervised Belief Representation Learning

no code implementations24 Oct 2024 Dachun Sun, Ruijie Wang, Jinning Li, Ruipeng Han, Xinyi Liu, You Lyu, Tarek Abdelzaher

This paper addresses the problem of optimizing the allocation of labeling resources for semi-supervised belief representation learning in social networks.

Active Learning Data Augmentation +2

SplaTraj: Camera Trajectory Generation with Semantic Gaussian Splatting

no code implementations8 Oct 2024 Xinyi Liu, Tianyi Zhang, Matthew Johnson-Roberson, Weiming Zhi

These regions are then projected to the camera's view as it moves over time and a cost is constructed.

Evaluating the Semantic Profiling Abilities of LLMs for Natural Language Utterances in Data Visualization

1 code implementation8 Jul 2024 Hannah K. Bako, Arshnoor Bhutani, Xinyi Liu, Kwesi A. Cobbina, Zhicheng Liu

In this study, we evaluate four publicly available LLMs (GPT-4, Gemini-Pro, Llama3, and Mixtral), investigating their ability to comprehend utterances even in the presence of uncertainty and identify the relevant data context and visual tasks.

Data Visualization

Statistical inference for case-control logistic regression via integrating external summary data

no code implementations31 May 2024 Hengchao Shi, Xinyi Liu, Ming Zheng, Wen Yu

When fitting the logistic regression model with case-control data, although the slope parameter of the model can be consistently estimated, the intercept parameter is not identifiable, and the marginal case proportion is not estimatable, either.

regression

An Empirical Analysis on Large Language Models in Debate Evaluation

1 code implementation28 May 2024 Xinyi Liu, Pinxin Liu, Hangfeng He

In this study, we investigate the capabilities and inherent biases of advanced large language models (LLMs) such as GPT-3. 5 and GPT-4 in the context of debate evaluation.

Deep Representation Learning for Multi-functional Degradation Modeling of Community-dwelling Aging Population

no code implementations8 Apr 2024 Suiyao Chen, Xinyi Liu, Yulei Li, Jing Wu, Handong Yao

As the aging population grows, particularly for the baby boomer generation, the United States is witnessing a significant increase in the elderly population experiencing multifunctional disabilities.

Diversity Representation Learning

Neurological disorders leading to mechanical dysfunction of the esophagus: an emergent behavior of a neuromechanical dynamical system

no code implementations28 Feb 2024 Guy Elisha, Sourav Halder, Xinyi Liu, Dustin A. Carlson, Peter J. Kahrilas, John E. Pandolfino, Neelesh A. Patankar

Specifically, repetitive antegrade contractions (RACs) are conclusively shown to emerge from the coupled neuromechanical dynamics in response to sustained volumetric distension.

Text Classification Based on Knowledge Graphs and Improved Attention Mechanism

no code implementations7 Jan 2024 Siyu Li, Lu Chen, Chenwei Song, Xinyi Liu

To resolve the semantic ambiguity in texts, we propose a model, which innovatively combines a knowledge graph with an improved attention mechanism.

Decoder Knowledge Graphs +2

Guided Image Restoration via Simultaneous Feature and Image Guided Fusion

no code implementations14 Dec 2023 Xinyi Liu, Qian Zhao, Jie Liang, Hui Zeng, Deyu Meng, Lei Zhang

Currently, joint image filtering-inspired deep learning-based methods represent the state-of-the-art for GIR tasks.

Depth Map Super-Resolution Image Restoration

Guided Online Distillation: Promoting Safe Reinforcement Learning by Offline Demonstration

no code implementations18 Sep 2023 Jinning Li, Xinyi Liu, Banghua Zhu, Jiantao Jiao, Masayoshi Tomizuka, Chen Tang, Wei Zhan

GOLD distills an offline DT policy into a lightweight policy network through guided online safe RL training, which outperforms both the offline DT policy and online safe RL algorithms.

Autonomous Driving Decision Making +4

Completing point cloud from few points by Wasserstein GAN and Transformers

no code implementations23 Nov 2022 Xianfeng Wu, Jinhui Qian, Qing Wei, Xianzu Wu, Xinyi Liu, Luxin Hu, Yanli Gong, Zhongyuan Lai, Libing Wu

Inspired by the successful applications of GAN and Transformers in the image-based vision task, we introduce GAN and Transformer techniques to address the above problem.

Decoder

Tensor Recovery Based on A Novel Non-convex Function Minimax Logarithmic Concave Penalty Function

no code implementations25 Jun 2022 HongBing Zhang, Xinyi Liu, Chang Liu, HongTao Fan, YaJing Li, Xinyun Zhu

The proposed function is generalized to tensor cases, yielding tensor MLCP and weighted tensor $L\gamma$-norm.

LiDAR-guided Stereo Matching with a Spatial Consistency Constraint

no code implementations21 Feb 2022 Yongjun Zhang, Siyuan Zou, Xinyi Liu, Xu Huang, Yi Wan, Yongxiang Yao

Next, we propose a riverbed enhancement function to optimize the cost volume of the LiDAR projection points and their homogeneous pixels to improve the matching robustness.

Stereo Matching

Low-light Image Enhancement by Retinex Based Algorithm Unrolling and Adjustment

no code implementations12 Feb 2022 Xinyi Liu, Qi Xie, Qian Zhao, Hong Wang, Deyu Meng

Besides, to avoid manually parameter tuning, we also propose a self-supervised fine-tuning strategy, which can always guarantee a promising performance.

Deep Learning Low-Light Image Enhancement +1

Low-Rank Tensor Completion Based on Bivariate Equivalent Minimax-Concave Penalty

no code implementations30 Jan 2022 HongBing Zhang, Xinyi Liu, HongTao Fan, YaJing Li, Yinlin Ye

To makes all the constant parameters of the MCP function as variables so that futherly improving the adaptability to the change of singular values in the LRTC problem, we propose the bivariate equivalent minimax-concave penalty (BEMCP) theorem.

Denoising

Emergency Vehicles Audio Detection and Localization in Autonomous Driving

no code implementations30 Sep 2021 Hongyi Sun, Xinyi Liu, Kecheng Xu, Jinghao Miao, Qi Luo

Hence, all other vehicles are supposed to take proper actions to yield emergency vehicles with active sirens.

Autonomous Driving Sound Source Localization

Tensor Full Feature Measure and Its Nonconvex Relaxation Applications to Tensor Recovery

no code implementations25 Sep 2021 HongBing Zhang, Xinyi Liu, HongTao Fan, YaJing Li, Yinlin Ye

Tensor sparse modeling as a promising approach, in the whole of science and engineering has been a huge success.

Two New Low Rank Tensor Completion Methods Based on Sum Nuclear Norm

no code implementations6 Aug 2021 HongBing Zhang, Xinyi Liu, HongTao Fan, YaJing Li, Yinlin Ye

This paper proposes a new tensor $L_{2, 1}$ norm minimization model (TLNM) that integrates sum nuclear norm (SNN) method, differing from the classical tensor nuclear norm (TNN)-based tensor completion method, with $L_{2, 1}$ norm and Qatar Riyal decomposition for solving the LRTC problem.

Cancer image classification based on DenseNet model

no code implementations23 Nov 2020 Ziliang Zhong, Muhang Zheng, Huafeng Mai, Jianan Zhao, Xinyi Liu

Computer-aided diagnosis establishes methods for robust assessment of medical image-based examination.

Classification Data Augmentation +2

Transfer Learning Robustness in Multi-Class Categorization by Fine-Tuning Pre-Trained Contextualized Language Models

1 code implementation8 Sep 2019 Xinyi Liu, Artit Wangperawong

This study compares the effectiveness and robustness of multi-class categorization of Amazon product data using transfer learning on pre-trained contextualized language models.

General Classification text-classification +2

Behavior Pattern and Compiled Information Based Performance Prediction in MOOCs

no code implementations4 Aug 2019 Shaojie Qu, Kan Li, Zheyi Fan, Sisi Wu, Xinyi Liu, Zhiguo Huang

This paper mainly focuses on the students' accomplishment behaviors in programming assignments and compiled information from programming assignments.

A Collaborative Approach to Angel and Venture Capital Investment Recommendations

no code implementations26 Jul 2018 Xinyi Liu, Artit Wangperawong

With a similar model, the same dataset was used to generate investor recommendations for companies undergoing fundraising, which achieved highest prediction accuracy of 11. 1%.

Cannot find the paper you are looking for? You can Submit a new open access paper.