Search Results for author: Xinyu Gao

Found 19 papers, 5 papers with code

Spec-Gaussian: Anisotropic View-Dependent Appearance for 3D Gaussian Splatting

no code implementations24 Feb 2024 ZiYi Yang, Xinyu Gao, Yangtian Sun, Yihua Huang, Xiaoyang Lyu, Wen Zhou, Shaohui Jiao, Xiaojuan Qi, Xiaogang Jin

The recent advancements in 3D Gaussian splatting (3D-GS) have not only facilitated real-time rendering through modern GPU rasterization pipelines but have also attained state-of-the-art rendering quality.

Retrieval-Augmented Generation for Large Language Models: A Survey

2 code implementations18 Dec 2023 Yunfan Gao, Yun Xiong, Xinyu Gao, Kangxiang Jia, Jinliu Pan, Yuxi Bi, Yi Dai, Jiawei Sun, Meng Wang, Haofen Wang

Large Language Models (LLMs) showcase impressive capabilities but encounter challenges like hallucination, outdated knowledge, and non-transparent, untraceable reasoning processes.

Hallucination Retrieval

Ziya-Visual: Bilingual Large Vision-Language Model via Multi-Task Instruction Tuning

no code implementations12 Oct 2023 Junyu Lu, Dixiang Zhang, XiaoJun Wu, Xinyu Gao, Ruyi Gan, Jiaxing Zhang, Yan Song, Pingjian Zhang

Recent advancements enlarge the capabilities of large language models (LLMs) in zero-shot image-to-text generation and understanding by integrating multi-modal inputs.

Image Captioning In-Context Learning +5

Deformable 3D Gaussians for High-Fidelity Monocular Dynamic Scene Reconstruction

1 code implementation22 Sep 2023 ZiYi Yang, Xinyu Gao, Wen Zhou, Shaohui Jiao, Yuqing Zhang, Xiaogang Jin

Implicit neural representation has paved the way for new approaches to dynamic scene reconstruction and rendering.

Neural Rendering Novel View Synthesis

A General Implicit Framework for Fast NeRF Composition and Rendering

no code implementations9 Aug 2023 Xinyu Gao, ZiYi Yang, Yunlu Zhao, Yuxiang Sun, Xiaogang Jin, Changqing Zou

Mainly, our work introduces a new surface representation known as Neural Depth Fields (NeDF) that quickly determines the spatial relationship between objects by allowing direct intersection computation between rays and implicit surfaces.

Benchmarking Robustness of AI-Enabled Multi-sensor Fusion Systems: Challenges and Opportunities

no code implementations6 Jun 2023 Xinyu Gao, Zhijie Wang, Yang Feng, Lei Ma, Zhenyu Chen, Baowen Xu

Multi-Sensor Fusion (MSF) based perception systems have been the foundation in supporting many industrial applications and domains, such as self-driving cars, robotic arms, and unmanned aerial vehicles.

Benchmarking Depth Completion +5

TCBERT: A Technical Report for Chinese Topic Classification BERT

no code implementations21 Nov 2022 Ting Han, Kunhao Pan, Xinyu Chen, Dingjie Song, Yuchen Fan, Xinyu Gao, Ruyi Gan, Jiaxing Zhang

Bidirectional Encoder Representations from Transformers or BERT~\cite{devlin-etal-2019-bert} has been one of the base models for various NLP tasks due to its remarkable performance.

Classification Contrastive Learning +1

Zero-Shot Learners for Natural Language Understanding via a Unified Multiple Choice Perspective

1 code implementation16 Oct 2022 Ping Yang, Junjie Wang, Ruyi Gan, Xinyu Zhu, Lin Zhang, Ziwei Wu, Xinyu Gao, Jiaxing Zhang, Tetsuya Sakai

We propose a new paradigm for zero-shot learners that is format agnostic, i. e., it is compatible with any format and applicable to a list of language tasks, such as text classification, commonsense reasoning, coreference resolution, and sentiment analysis.

Multiple-choice Natural Language Inference +4

DRL Enabled Coverage and Capacity Optimization in STAR-RIS Assisted Networks

no code implementations1 Sep 2022 Xinyu Gao, Wenqiang Yi, Yuanwei Liu, Jianhua Zhang, Ping Zhang

Moreover, in order to improve the performance of the MO-PPO algorithm, two update strategies, i. e., action-value-based update strategy (AVUS) and loss function-based update strategy (LFUS), are investigated.

Intelligent Trajectory Design for RIS-NOMA aided Multi-robot Communications

no code implementations3 May 2022 Xinyu Gao, Xidong Mu, Wenqiang Yi, Yuanwei Liu

The goal is to maximize the sum-rate of whole trajectories for the multi-robot system by jointly optimizing trajectories and NOMA decoding orders of robots, phase-shift coefficients of the RIS, and the power allocation of the AP, subject to predicted initial and final positions of robots and the quality of service (QoS) of each robot.

Coverage and Capacity Optimization in STAR-RISs Assisted Networks: A Machine Learning Approach

no code implementations13 Apr 2022 Xinyu Gao, Wenqiang Yi, Alexandros Agapitos, Hao Wang, Yuanwei Liu

Coverage and capacity are the important metrics for performance evaluation in wireless networks, while the coverage and capacity have several conflicting relationships, e. g. high transmit power contributes to large coverage but high inter-cell interference reduces the capacity performance.

BIG-bench Machine Learning

Deep-learning-based Hyperspectral imaging through a RGB camera

no code implementations12 Jul 2021 Xinyu Gao, Tianlang Wang, Jing Yang, Jinchao Tao, Yanqing Qiu, Yanlong Meng, Banging Mao, Pengwei Zhou, Yi Li

Hyperspectral image (HSI) contains both spatial pattern and spectral information which has been widely used in food safety, remote sensing, and medical detection.

Passive Beamforming Design for Intelligent Reflecting Surface Assisted MIMO Systems

no code implementations2 Jun 2021 Chenghao Feng, Wenqian Shen, Xinyu Gao, Jianping An

Firstly, we decouple the optimization problem and design the active beamforming for a given IRS configuration.

Quantization

Revealing Critical Characteristics of Mobility Patterns in New York City during the Onset of COVID-19 Pandemic

no code implementations3 Feb 2021 Akhil Anil Rajput, Qingchun Li, Xinyu Gao, Ali Mostafavi

Using data sources related to population density, aggregated population mobility, public rail transit use, vehicle use, hotspot and non-hotspot movement patterns, and human activity agglomeration, we analyzed the inter-borough and intra-borough moment for New York City by aggregating the data at the borough level.

Physics and Society Social and Information Networks

Robotic Communications for 5G and Beyond: Challenges and Research Opportunities

no code implementations9 Dec 2020 Yuanwei Liu, Xiao Liu, Xinyu Gao, Xidong Mu, Xiangwei Zhou, Octavia A. Dobre, H. Vincent Poor

Furthermore, dynamic trajectory design and resource allocation for both indoor and outdoor robots are provided to verify the performance of robotic communications in the context of typical robotic application scenarios.

Robotics Systems and Control Signal Processing Systems and Control

Trajectory and Passive Beamforming Design for IRS-aided Multi-Robot NOMA Indoor Networks

no code implementations18 Nov 2020 Xinyu Gao, Yuanwei Liu, Xidong Mu

A novel intelligent reflecting surface (IRS)-aided multi-robot network is proposed, where multiple mobile wheeled robots are served by an access point (AP) through non-orthogonal multiple access (NOMA).

Robotics

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