Ruizhi Chen

According to our database, Ruizhi Chen authored at least 194 papers between 2010 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Tracking foresters and mapping tree stem locations with decimeter-level accuracy under forest canopies using UWB.

Zuoya Liu, Harri Kaartinen, Teemu Hakala, Juha Hyyppä, Antero Kukko, Ruizhi Chen

Expert Syst. Appl., 2025

2024

Multiple Similarity Analysis-Based Deep Metric Learning for Enhancing Wi-Fi Fingerprint Indoor Localization.

Shuai Zhang, Guanghao Zhang, Ruizhi Chen, Yunjia Wang

IEEE Internet Things J., November, 2024

Indoor Localization With Multi-Beam of 5G New Radio Signals.

Xin Zhou, Liang Chen, Yanlin Ruan, Ruizhi Chen

IEEE Trans. Wirel. Commun., September, 2024

FCN-Attention: A deep learning UWB NLOS/LOS classification algorithm using fully convolution neural network with self-attention mechanism.

Yu Pei, Ruizhi Chen, Deren Li, Xiongwu Xiao, Xingyu Zheng

Geo spatial Inf. Sci., July, 2024

IMPos: Indoor Mobile Positioning With 5G Multibeam Signals From a Single Base Station.

Xin Zhou, Liang Chen, Yanlin Ruan, Tao Zhou, Ruizhi Chen

IEEE Internet Things J., June, 2024

Submeter-Level ToF-Based Acoustic Positioning of Moving Objects With Chirp-Based Doppler Shift Compensation.

Zuoya Liu, Ruizhi Chen, Changhui Jiang, Feng Ye, Guangyi Guo, Liang Chen, Xinchuang Lin

IEEE Internet Things J., June, 2024

Robust capsule-robot positioning with limited magnetic observations: An inertial-enhanced approach.

Peng Zhang, Ruizhi Chen, Weiguo Dong, You Li, Yan Xu, Jian Kuang, Yuan Zhuang, Rong Yu, Mingyue Dong, Xiaoji Niu

Geo spatial Inf. Sci., March, 2024

UltraMotion: High-Precision Ultrasonic Arm Tracking for Real-World Exercises.

Xiaoguang Niu, Kaiyi Zou, Da Shen, Steve Drew, Shaowu Wu, Guangyi Guo, Ruizhi Chen

IEEE Trans. Mob. Comput., February, 2024

A Benchmark of Absolute and Relative Positioning Solutions in GNSS Denied Environments.

Haiyun Yao, Xinlian Liang, Ruizhi Chen, Xiaochen Wang, Hanwen Qi, Liang Chen, Yunsheng Wang

IEEE Internet Things J., February, 2024

IALoc: Audio-Chirp-Based Indoor Tracking System - Free From IMU Sensors Dependence.

Shihao Xu, Ruizhi Chen, Guangyi Guo, Zheng Li, Long Qian, Feng Ye, Lixiong Huang, Zuoya Liu

IEEE Internet Things J., February, 2024

Dual-Step Acoustic Chirp Signals Detection Using Pervasive Smartphones in Multipath and NLOS Indoor Environments.

Zheng Li, Ruizhi Chen, Guangyi Guo, Feng Ye, Long Qian, Shihao Xu, Lixiong Huang, Liang Chen

IEEE Internet Things J., February, 2024

Neural Network Aided Factor Graph Optimization for Collaborative Pedestrian Navigation.

Mingxi Wang, Leilei Li, Jingbin Liu, Ruizhi Chen

IEEE Trans. Intell. Transp. Syst., January, 2024

Current Status and Future Trends of Meter-Level Indoor Positioning Technology: A Review.

Lin Qi, Yu Liu, Yue Yu, Liang Chen, Ruizhi Chen

Remote. Sens., January, 2024

ChirpTracker: A Precise-Location-Aware System for Acoustic Tag Using Single Smartphone.

Xinchuang Lin, Ruizhi Chen, Lixiong Huang, Zuoya Liu, Xiaoguang Niu, Guangyi Guo, Zheng Li, Long Qian

IEEE Internet Things J., January, 2024

Evaluation of C/N0 raw observation positioning by smartphone based on indoor asynchronous pseudolite.

Xiangchen Lu, Liang Chen, Nan Shen, Jiahui Jiang, Yue Dai, Ruizhi Chen

Urban Inform., 2024

Indoor positioning with multi-beam CSI of commercial 5G signals.

Xin Zhou, Liang Chen, Yanlin Ruan, Ruizhi Chen

Urban Inform., 2024

Performance Analysis of Standalone UWB Positioning Inside Forest Canopy.

Zuoya Liu, Harri Kaartinen, Teemu Hakala, Juha Hyyppä, Antero Kukko, Ruizhi Chen

IEEE Trans. Instrum. Meas., 2024

Data-Driven Antenna Delay Calibration for UWB Devices for Network Positioning.

Zuoya Liu, Teemu Hakala, Juha Hyyppä, Antero Kukko, Harri Kaartinen, Ruizhi Chen

IEEE Trans. Instrum. Meas., 2024

Dynamic selection for reconstructing instance-dependent noisy labels.

Jie Yang, Xiaoguang Niu, Yuanzhuo Xu, Zejun Zhang, Guangyi Guo, Steve Drew, Ruizhi Chen

Pattern Recognit., 2024

Autonomous wireless positioning system using crowdsourced Wi-Fi fingerprinting and self-detected FTM stations.

Fangli Guan, Kexin Tang, Jianhui Zhang, Sheng Bao, Liang Chen, Ruizhi Chen, Yue Yu

Expert Syst. Appl., 2024

CrowdLOC-S: Crowdsourced seamless localization framework based on CNN-LSTM-MLP enhanced quality indicator.

Tao Feng, Yu Liu, Yue Yu, Liang Chen, Ruizhi Chen

Expert Syst. Appl., 2024

Emergent Communication for Numerical Concepts Generalization.

Enshuai Zhou, Yifan Hao, Rui Zhang, Yuxuan Guo, Zidong Du, Xishan Zhang, Xinkai Song, Chao Wang, Xuehai Zhou, Jiaming Guo, Qi Yi, Shaohui Peng, Di Huang, Ruizhi Chen, Qi Guo, Yunji Chen

Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

OCEAN-MBRL: Offline Conservative Exploration for Model-Based Offline Reinforcement Learning.

Fan Wu, Rui Zhang, Qi Yi, Yunkai Gao, Jiaming Guo, Shaohui Peng, Siming Lan, Husheng Han, Yansong Pan, Kaizhao Yuan, Pengwei Jin, Ruizhi Chen, Yunji Chen, Ling Li

Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

Hypothesis, Verification, and Induction: Grounding Large Language Models with Self-Driven Skill Learning.

Shaohui Peng, Xing Hu, Qi Yi, Rui Zhang, Jiaming Guo, Di Huang, Zikang Tian, Ruizhi Chen, Zidong Du, Qi Guo, Yunji Chen, Ling Li

Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

2023

Facilitating urban tourism governance with crowdsourced big data: A framework based on Shenzhen and Jiangmen, China.

Jianxiao Liu, Yue Yu, Pengfei Chen, Bi Yu Chen, Liang Chen, Ruizhi Chen

Int. J. Appl. Earth Obs. Geoinformation, November, 2023

Large-Scale Indoor Localization Solution for Pervasive Smartphones Using Corrected Acoustic Signals and Data-Driven PDR.

Guangyi Guo, Ruizhi Chen, Ke Yan, Zheng Li, Long Qian, Shihao Xu, Xiaoguang Niu, Liang Chen

IEEE Internet Things J., September, 2023

Learning controllable elements oriented representations for reinforcement learning.

Qi Yi, Rui Zhang, Shaohui Peng, Jiaming Guo, Xing Hu, Zidong Du, Qi Guo, Ruizhi Chen, Ling Li, Yunji Chen

Neurocomputing, September, 2023

A Bi-LSTM approach for modelling movement uncertainty of crowdsourced human trajectories under complex urban environments.

Yue Yu, Yepeng Yao, Zhewei Liu, Zhenlin An, Bi Yu Chen, Liang Chen, Ruizhi Chen

Int. J. Appl. Earth Obs. Geoinformation, August, 2023

Hybrid Indoor Positioning System Based on Acoustic Ranging and Wi-Fi Fingerprinting under NLOS Environments.

Zhengyan Zhang, Yue Yu, Liang Chen, Ruizhi Chen

Remote. Sens., July, 2023

Multi-sensor integrated navigation/positioning systems using data fusion: From analytics-based to learning-based approaches.

Yuan Zhuang, Xiao Sun, You Li, Jianzhu Huai, Luchi Hua, Xiansheng Yang, Xiaoxiang Cao, Peng Zhang, Yue Cao, Longning Qi, Jun Yang, Nashwa El-Bendary, Naser El-Sheimy, John S. Thompson, Ruizhi Chen

Inf. Fusion, July, 2023

Indoor positioning based on tightly coupling of PDR and one single Wi-Fi FTM AP.

Yuan Wu, Ruizhi Chen, Wenju Fu, Wei Li, Haitao Zhou, Guangyi Guo

Geo spatial Inf. Sci., July, 2023

Machine Learning for Time-of-Arrival Estimation With 5G Signals in Indoor Positioning.

Zhaoliang Liu, Liang Chen, Xin Zhou, Zhenhang Jiao, Guangyi Guo, Ruizhi Chen

IEEE Internet Things J., June, 2023

CWIWD-IPS: A Crowdsensing/Walk-Surveying Inertial/Wi-Fi Data-Driven Indoor Positioning System.

Yuan Wu, Ruizhi Chen, Wenju Fu, Wei Li, Haitao Zhou

IEEE Internet Things J., May, 2023

iPos-5G: Indoor Positioning via Commercial 5G NR CSI.

Yanlin Ruan, Liang Chen, Xin Zhou, Zhaoliang Liu, Xiaoyan Liu, Guangyi Guo, Ruizhi Chen

IEEE Internet Things J., May, 2023

Multi-route fusion method of GNSS and accelerometer for structural health monitoring.

Nan Shen, Liang Chen, Ruizhi Chen

J. Ind. Inf. Integr., April, 2023

Intelligent Fusion Structure for Wi-Fi/BLE/QR/MEMS Sensor-Based Indoor Localization.

Yue Yu, Yi Zhang, Liang Chen, Ruizhi Chen

Remote. Sens., March, 2023

Multipath tracking with LTE signals for accurate TOA estimation in the application of indoor positioning.

Zhaoliang Liu, Liang Chen, Xin Zhou, Nan Shen, Ruizhi Chen

Geo spatial Inf. Sci., January, 2023

Precise, Low-Cost, and Large-Scale Indoor Positioning System Based on Audio Dual-Chirp Signals.

Zuoya Liu, Ruizhi Chen, Feng Ye, Lixiong Huang, Guangyi Guo, Shihao Xu, Danni Chen, Liang Chen

IEEE Trans. Veh. Technol., 2023

3-D Displacement Detection Based on Enhanced Clustering From GNSS Positioning in a Kinematic Mode for Deformation Monitoring.

Nan Shen, Bin Wang, Guiyun Gao, Liang Chen, Ruizhi Chen

IEEE Trans. Instrum. Meas., 2023

A Novel Device-Free Positioning Method Based on Wi-Fi CSI with NLOS Detection and Bayes Classification.

Xingyu Zheng, Ruizhi Chen, Liang Chen, Lei Wang, Yue Yu, Zhenbing Zhang, Wei Li, Yu Pei, Dewen Wu, Yanlin Ruan

Remote. Sens., 2023

Autonomous Multi-Floor Localization Based on Smartphone-Integrated Sensors and Pedestrian Indoor Network.

Chaoyang Shi, Wenxin Teng, Yi Zhang, Yue Yu, Liang Chen, Ruizhi Chen, Qingquan Li

Remote. Sens., 2023

SdoNet: Speed Odometry Network and Noise Adapter for Vehicle Integrated Navigation.

Xuan Wang, Yuan Zhuang, Xiaoxiang Cao, Qipeng Li, Zhe Wang, Yue Cao, Ruizhi Chen

IEEE Internet Things J., 2023

Multi-level information fusion with motion constraints: Key to achieve high-precision gait analysis using low-cost inertial sensors.

Peng Zhang, You Li, Yuan Zhuang, Jian Kuang, Xiaoji Niu, Ruizhi Chen

Inf. Fusion, 2023

Analysis of the Spatial Distribution and Associated Factors of the Transmission Locations of COVID-19 in the First Four Waves in Hong Kong.

Daping Yang, Wenzhong Shi, Yue Yu, Liang Chen, Ruizhi Chen

ISPRS Int. J. Geo Inf., 2023

Self-driven Grounding: Large Language Model Agents with Automatical Language-aligned Skill Learning.

Shaohui Peng, Xing Hu, Qi Yi, Rui Zhang, Jiaming Guo, Di Huang, Zikang Tian, Ruizhi Chen, Zidong Du, Qi Guo, Yunji Chen, Ling Li

CoRR, 2023

Decompose a Task into Generalizable Subtasks in Multi-Agent Reinforcement Learning.

Zikang Tian, Ruizhi Chen, Xing Hu, Ling Li, Rui Zhang, Fan Wu, Shaohui Peng, Jiaming Guo, Zidong Du, Qi Guo, Yunji Chen

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Contrastive Modules with Temporal Attention for Multi-Task Reinforcement Learning.

Siming Lan, Rui Zhang, Qi Yi, Jiaming Guo, Shaohui Peng, Yunkai Gao, Fan Wu, Ruizhi Chen, Zidong Du, Xing Hu, Xishan Zhang, Ling Li, Yunji Chen

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Emergent Communication for Rules Reasoning.

Yuxuan Guo, Yifan Hao, Rui Zhang, Enshuai Zhou, Zidong Du, Xishan Zhang, Xinkai Song, Yuanbo Wen, Yongwei Zhao, Xuehai Zhou, Jiaming Guo, Qi Yi, Shaohui Peng, Di Huang, Ruizhi Chen, Qi Guo, Yunji Chen

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Efficient Symbolic Policy Learning with Differentiable Symbolic Expression.

Jiaming Guo, Rui Zhang, Shaohui Peng, Qi Yi, Xing Hu, Ruizhi Chen, Zidong Du, Xishan Zhang, Ling Li, Qi Guo, Yunji Chen

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Context Shift Reduction for Offline Meta-Reinforcement Learning.

Yunkai Gao, Rui Zhang, Jiaming Guo, Fan Wu, Qi Yi, Shaohui Peng, Siming Lan, Ruizhi Chen, Zidong Du, Xing Hu, Qi Guo, Ling Li, Yunji Chen

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

An LSTM Approach for Modelling Error of Smartphone-reported GNSS Location Under Mixed LOS/NLOS Environments.

Yue Yu, Wenzhong Shi, Zhewei Liu, Shiyu Bai, Liang Chen, Ruizhi Chen

Proceedings of the 13th International Conference on Indoor Positioning and Indoor Navigation, 2023

Online Prototype Alignment for Few-shot Policy Transfer.

Qi Yi, Rui Zhang, Shaohui Peng, Jiaming Guo, Yunkai Gao, Kaizhao Yuan, Ruizhi Chen, Siming Lan, Xing Hu, Zidong Du, Xishan Zhang, Qi Guo, Yunji Chen

Proceedings of the International Conference on Machine Learning, 2023

USDNL: Uncertainty-Based Single Dropout in Noisy Label Learning.

Yuanzhuo Xu, Xiaoguang Niu, Jie Yang, Steve Drew, Jiayu Zhou, Ruizhi Chen

Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence, 2023

Conceptual Reinforcement Learning for Language-Conditioned Tasks.

Shaohui Peng, Xing Hu, Rui Zhang, Jiaming Guo, Qi Yi, Ruizhi Chen, Zidong Du, Ling Li, Qi Guo, Yunji Chen

Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence, 2023

2022

Precise 3D Indoor Localization and Trajectory Optimization Based on Sparse Wi-Fi FTM Anchors and Built-In Sensors.

Yue Yu, Ruizhi Chen, Wenzhong Shi, Liang Chen

IEEE Trans. Veh. Technol., 2022

Instance-Aware Semantic Segmentation of Road Furniture in Mobile Laser Scanning Data.

Fashuai Li, Zhize Zhou, Jianhua Xiao, Ruizhi Chen, Matti Lehtomäki, Sander Oude Elberink, George Vosselman, Juha Hyyppä, Yuwei Chen, Antero Kukko

IEEE Trans. Intell. Transp. Syst., 2022

Inertial Sensing Meets Machine Learning: Opportunity or Challenge?

You Li, Ruizhi Chen, Xiaoji Niu, Yuan Zhuang, Zhouzheng Gao, Xin Hu, Naser El-Sheimy

IEEE Trans. Intell. Transp. Syst., 2022

TSA-SCC: Text Semantic-Aware Screen Content Coding With Ultra Low Bitrate.

Tong Tang, Ling Li, Xiaoyu Wu, Ruizhi Chen, Haochen Li, Guo Lu, Limin Cheng

IEEE Trans. Image Process., 2022

Hi-Loc: Hybrid Indoor Localization via Enhanced 5G NR CSI.

Yanlin Ruan, Liang Chen, Xin Zhou, Guangyi Guo, Ruizhi Chen

IEEE Trans. Instrum. Meas., 2022

Bluetooth, Floor-Plan, and Microelectromechanical Systems-Assisted Wide-Area Audio Indoor Localization System: Apply to Smartphones.

Shihao Xu, Ruizhi Chen, Guangyi Guo, Zheng Li, Long Qian, Feng Ye, Zuoya Liu, Lixiong Huang

IEEE Trans. Ind. Electron., 2022

Machine Learning-Based Short-Term GPS TEC Forecasting During High Solar Activity and Magnetic Storm Periods.

Yi Han, Lei Wang, Wenju Fu, Haitao Zhou, Tao Li, Ruizhi Chen

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022

Locating Smartphone Indoors by Using Tightly Coupling Bluetooth Ranging and Accelerometer Measurements.

Ke Yan, Ruizhi Chen, Guangyi Guo, Liang Chen

Remote. Sens., 2022

Map-Assisted 3D Indoor Localization Using Crowd-Sensing-Based Trajectory Data and Error Ellipse-Enhanced Fusion.

Qiao Wan, Yue Yu, Ruizhi Chen, Liang Chen

Remote. Sens., 2022

Self-Calibrated Multi-Floor Localization Based on Wi-Fi Ranging/Crowdsourced Fingerprinting and Low-Cost Sensors.

Qiao Wan, Xiaoqi Duan, Yue Yu, Ruizhi Chen, Liang Chen

Remote. Sens., 2022

Bluetooth Localization Technology: Principles, Applications, and Future Trends.

Yuan Zhuang, Chongyang Zhang, Jianzhu Huai, You Li, Liang Chen, Ruizhi Chen

IEEE Internet Things J., 2022

A Multimagnetometer Array and Inner IMU-Based Capsule Endoscope Positioning System.

Peng Zhang, Yan Xu, Ruizhi Chen, Weiguo Dong, You Li, Rong Yu, Mingyue Dong, Zhengru Liu, Yuan Zhuang, Jian Kuang

IEEE Internet Things J., 2022

RSS-Based Visible Light Positioning Using Nonlinear Optimization.

Xiao Sun, Yuan Zhuang, Jianzhu Huai, Luchi Hua, Dong Chen, You Li, Yue Cao, Ruizhi Chen

IEEE Internet Things J., 2022

A Robust Integration Platform of Wi-Fi RTT, RSS Signal, and MEMS-IMU for Locating Commercial Smartphone Indoors.

Guangyi Guo, Ruizhi Chen, Feng Ye, Zuoya Liu, Shihao Xu, Lixiong Huang, Zheng Li, Long Qian

IEEE Internet Things J., 2022

Carrier Phase Ranging for Indoor Positioning With 5G NR Signals.

Liang Chen, Xin Zhou, Feifei Chen, Lie-Liang Yang, Ruizhi Chen

IEEE Internet Things J., 2022

H-WPS: Hybrid Wireless Positioning System Using an Enhanced Wi-Fi FTM/RSSI/MEMS Sensors Integration Approach.

Yue Yu, Ruizhi Chen, Liang Chen, Wei Li, Yuan Wu, Haitao Zhou

IEEE Internet Things J., 2022

An optimal design of the broadcast ephemeris for LEO navigation augmentation systems.

Xueli Guo, Lei Wang, Wenju Fu, Yingbo Suo, Ruizhi Chen, Hongxing Sun

Geo spatial Inf. Sci., 2022

Signal acquisition of Luojia-1A low earth orbit navigation augmentation system with software defined receiver.

Liang Chen, Xiangchen Lu, Nan Shen, Lei Wang, Yuan Zhuang, Ye Su, Deren Li, Ruizhi Chen

Geo spatial Inf. Sci., 2022

NEURAL MARIONETTE: A Transformer-based Multi-action Human Motion Synthesis System.

Weiqiang Wang, Xuefei Zhe, Huan Chen, Di Kang, Tingguang Li, Ruizhi Chen, Linchao Bao

CoRR, 2022

Intrinsic mixed-integer polycubes for hexahedral meshing.

Manish Mandad, Ruizhi Chen, David Bommes, Marcel Campen

Comput. Aided Geom. Des., 2022

A deep-learning approach for modelling pedestrian movement uncertainty in large- scale indoor areas.

Wenzhong Shi, Yue Yu, Zhewei Liu, Ruizhi Chen, Liang Chen

Int. J. Appl. Earth Obs. Geoinformation, 2022

Causality-driven Hierarchical Structure Discovery for Reinforcement Learning.

Shaohui Peng, Xing Hu, Rui Zhang, Ke Tang, Jiaming Guo, Qi Yi, Ruizhi Chen, Xishan Zhang, Zidong Du, Ling Li, Qi Guo, Yunji Chen

Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

2021

Joint Hand-Object 3D Reconstruction From a Single Image With Cross-Branch Feature Fusion.

Yujin Chen, Zhigang Tu, Di Kang, Ruizhi Chen, Linchao Bao, Zhengyou Zhang, Junsong Yuan

IEEE Trans. Image Process., 2021

Short-Term Landslide Displacement Detection Based on GNSS Real-Time Kinematic Positioning.

Nan Shen, Liang Chen, Lei Wang, Hao Hu, Xiangchen Lu, Chuang Qian, Jingbin Liu, Shuanggen Jin, Ruizhi Chen

IEEE Trans. Instrum. Meas., 2021

Precise Indoor Positioning Based on Acoustic Ranging in Smartphone.

Ruizhi Chen, Zheng Li, Feng Ye, Guangyi Guo, Shihao Xu, Long Qian, Zuoya Liu, Lixiong Huang

IEEE Trans. Instrum. Meas., 2021

Improved Single-Frequency Kinematic Orbit Determination Strategy of Small LEO Satellite with the Sun-Pointing Attitude Mode.

Wenju Fu, Lei Wang, Ruizhi Chen, Haitao Zhou, Tao Li, Yi Han

Remote. Sens., 2021

A Novel 3-D Indoor Localization Algorithm Based on BLE and Multiple Sensors.

Yue Yu, Ruizhi Chen, Liang Chen, Xingyu Zheng, Dewen Wu, Wei Li, Yuan Wu

IEEE Internet Things J., 2021

Toward Location-Enabled IoT (LE-IoT): IoT Positioning Techniques, Error Sources, and Error Mitigation.

You Li, Yuan Zhuang, Xin Hu, Zhouzheng Gao, Jia Hu, Long Chen, Zhe He, Ling Pei, Kejie Chen, Maosong Wang, Xiaoji Niu, Ruizhi Chen, John Thompson, Fadhel M. Ghannouchi, Naser El-Sheimy

IEEE Internet Things J., 2021

Interest point detection from multi-beam light detection and ranging point cloud using unsupervised convolutional neural network.

Deyu Yin, Qian Zhang, Jingbin Liu, Xinlian Liang, Yunsheng Wang, Shoubin Chen, Jyri Maanpää, Juha Hyyppä, Ruizhi Chen

IET Image Process., 2021

A Robust Seamless Localization Framework Based on Wi-Fi FTM / GNSS and Built-In Sensors.

Yue Yu, Ruizhi Chen, Liang Chen, Wei Li, Yuan Wu, Haitao Zhou

IEEE Commun. Lett., 2021

VNLSTM-PoseNet: A novel deep ConvNet for real-time 6-DOF camera relocalization in urban streets.

Ming Li, Jiangying Qin, Deren Li, Ruizhi Chen, Xuan Liao, Bingxuan Guo

Geo spatial Inf. Sci., 2021

Eden: A Unified Environment Framework for Booming Reinforcement Learning Algorithms.

Ruizhi Chen, Xiaoyu Wu, Yansong Pan, Kaizhao Yuan, Ling Li, TianYun Ma, JiYuan Liang, Rui Zhang, Kai Wang, Chen Zhang, Shaohui Peng, Xishan Zhang, Zidong Du, Qi Guo, Yunji Chen

CoRR, 2021

A Practical Indoor and Outdoor Seamless Navigation System Based on Electronic Map and Geomagnetism.

Kaiyue Qiu, Ruizhi Chen, He Huang

Proceedings of the ICMLC 2021: 13th International Conference on Machine Learning and Computing, 2021

Model-Based 3D Hand Reconstruction via Self-Supervised Learning.

Yujin Chen, Zhigang Tu, Di Kang, Linchao Bao, Ying Zhang, Xuefei Zhe, Ruizhi Chen, Junsong Yuan

Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2021

2020

Cost-Effective Localization Using RSS From Single Wireless Access Point.

You Li, Kunlun Yan, Zhe He, Yuqi Li, Zhouzheng Gao, Ling Pei, Ruizhi Chen, Naser El-Sheimy

IEEE Trans. Instrum. Meas., 2020

Centimeter-Level Precise Orbit Determination for the Luojia-1A Satellite Using BeiDou Observations.

Lei Wang, Beizhen Xu, Wenju Fu, Ruizhi Chen, Tao Li, Yi Han, Haitao Zhou

Remote. Sens., 2020

A Precise Indoor Visual Positioning Approach Using a Built Image Feature Database and Single User Image from Smartphone Cameras.

Ming Li, Ruizhi Chen, Xuan Liao, Bingxuan Guo, Weilong Zhang, Ge Guo

Remote. Sens., 2020

Analyzing and Accelerating the Bottlenecks of Training Deep SNNs With Backpropagation.

Ruizhi Chen, Ling Li

Neural Comput., 2020

Using Radar Signatures to Classify Bird Flight Modes Between Flapping and Gliding.

Jiangkun Gong, Jun Yan, Deren Li, Ruizhi Chen

IEEE Geosci. Remote. Sens. Lett., 2020

Precise 3-D Indoor Localization Based on Wi-Fi FTM and Built-In Sensors.

Yue Yu, Ruizhi Chen, Liang Chen, Shihao Xu, Wei Li, Yuan Wu, Haitao Zhou

IEEE Internet Things J., 2020

AtLAS: An Activity-Based Indoor Localization and Semantic Labeling Mechanism for Residences.

Xiaoguang Niu, Luyao Xie, Jiawei Wang, Haiming Chen, Dandan Liu, Ruizhi Chen

IEEE Internet Things J., 2020

Inertial Sensing Meets Artificial Intelligence: Opportunity or Challenge?

You Li, Ruizhi Chen, Xiaoji Niu, Yuan Zhuang, Zhouzheng Gao, Xin Hu, Naser El-Sheimy

CoRR, 2020

Location-Enabled IoT (LE-IoT): A Survey of Positioning Techniques, Error Sources, and Mitigation.

You Li, Yuan Zhuang, Xin Hu, Zhouzheng Gao, Jia Hu, Long Chen, Zhe He, Ling Pei, Kejie Chen, Maosong Wang, Xiaoji Niu, Ruizhi Chen, John Thompson, Fadhel M. Ghannouchi, Naser El-Sheimy

CoRR, 2020

CAE-LO: LiDAR Odometry Leveraging Fully Unsupervised Convolutional Auto-Encoder for Interest Point Detection and Feature Description.

Deyu Yin, Qian Zhang, Jingbin Liu, Xinlian Liang, Yunsheng Wang, Jyri Maanpää, Hao Ma, Juha Hyyppä, Ruizhi Chen

CoRR, 2020

Accurate DOA Estimation With Adjacent Angle Power Difference for Indoor Localization.

Xin Zhou, Liang Chen, Jun Yan, Ruizhi Chen

IEEE Access, 2020

A Novel Calibration Method between a Camera and a 3D LiDAR with Infrared Images.

Shoubin Chen, Jingbin Liu, Xinlian Liang, Shuming Zhang, Juha Hyyppä, Ruizhi Chen

Proceedings of the 2020 IEEE International Conference on Robotics and Automation, 2020

2019

Calibrating Multi-Channel RSS Observations for Localization Using Gaussian Process.

Zhe He, You Li, Ling Pei, Ruizhi Chen, Naser El-Sheimy

IEEE Wirel. Commun. Lett., 2019

Design of a Smartphone Indoor Positioning Dynamic Ground Truth Reference System Using Robust Visual Encoded Targets.

Xuan Liao, Ruizhi Chen, Ming Li, Bingxuan Guo, Xiaoji Niu, Weilong Zhang

Sensors, 2019

Wireless Fingerprinting Uncertainty Prediction Based on Machine Learning.

You Li, Zhouzheng Gao, Zhe He, Yuan Zhuang, Ahmed Radi, Ruizhi Chen, Naser El-Sheimy

Sensors, 2019

The Integration of Photodiode and Camera for Visible Light Positioning by Using Fixed-Lag Ensemble Kalman Smoother.

Yuan Zhuang, Qin Wang, You Li, Zhouzheng Gao, Bingpeng Zhou, Longning Qi, Jun Yang, Ruizhi Chen, Naser El-Sheimy

Remote. Sens., 2019

A Robust Dead Reckoning Algorithm Based on Wi-Fi FTM and Multiple Sensors.

Yue Yu, Ruizhi Chen, Liang Chen, Guangyi Guo, Feng Ye, Zuoya Liu

Remote. Sens., 2019

A Pairwise SSD Fingerprinting Method of Smartphone Indoor Localization for Enhanced Usability.

Fan Yang, Jian Xiong, Jingbin Liu, Changqing Wang, Zheng Li, Pengfei Tong, Ruizhi Chen

Remote. Sens., 2019

A Practical Adaptive Clock Offset Prediction Model for the Beidou-2 System.

Beizhen Xu, Lei Wang, Wenju Fu, Ruizhi Chen, Tao Li, Xinxin Zhang

Remote. Sens., 2019

Multispectral Image Segmentation Based on a Fuzzy Clustering Algorithm Combined with Tsallis Entropy and a Gaussian Mixture Model.

Yan Xu, Ruizhi Chen, Yu Li, Peng Zhang, Jie Yang, Xuemei Zhao, Mengyun Liu, Dewen Wu

Remote. Sens., 2019

A Controllable Success Fix Rate Threshold Determination Method for GNSS Ambiguity Acceptance Tests.

Lei Wang, Ruizhi Chen, Lili Shen, Fu Zheng, Yanming Feng, Jiming Guo

Remote. Sens., 2019

NLOS Mitigation in Sparse Anchor Environments with the Misclosure Check Algorithm.

Lei Wang, Ruizhi Chen, Lili Shen, Haiyang Qiu, Ming Li, Peng Zhang, Yuanjin Pan

Remote. Sens., 2019

A Review of Global Navigation Satellite System (GNSS)-Based Dynamic Monitoring Technologies for Structural Health Monitoring.

Nan Shen, Liang Chen, Jingbin Liu, Lei Wang, Tingye Tao, Dewen Wu, Ruizhi Chen

Remote. Sens., 2019

Common Mode Component and Its Potential Effect on GPS-Inferred Three-Dimensional Crustal Deformations in the Eastern Tibetan Plateau.

Yuanjin Pan, Ruizhi Chen, Hao Ding, Xinyu Xu, Gang Zheng, Wenbin Shen, Yixin Xiao, Shuya Li

Remote. Sens., 2019

IMU/Magnetometer/Barometer/Mass-Flow Sensor Integrated Indoor Quadrotor UAV Localization with Robust Velocity Updates.

You Li, Shady Zahran, Yuan Zhuang, Zhouzheng Gao, Yiran Luo, Zhe He, Ling Pei, Ruizhi Chen, Naser El-Sheimy

Remote. Sens., 2019

A Pose Awareness Solution for Estimating Pedestrian Walking Speed.

Guangyi Guo, Ruizhi Chen, Feng Ye, Liang Chen, Yuanjin Pan, Mengyun Liu, Zhipeng Cao

Remote. Sens., 2019

A High-Efficiency FPGA-Based Accelerator for Binarized Neural Network.

Peng Guo, Hong Ma, Ruizhi Chen, Donglin Wang

J. Circuits Syst. Comput., 2019

A bypass-based low latency network-on-chip router.

Peng Guo, Qingbin Liu, Ruizhi Chen, Lei Yang, Donglin Wang

IEICE Electron. Express, 2019

An infant monitoring system with the support of accurate real-time indoor positioning.

Zhipeng Cao, Yifan Cheng, Ruizhi Chen, Guangyi Guo, Feng Ye, Liang Chen, Yuanjin Pan

Geo spatial Inf. Sci., 2019

A Low-Cost Single-Anchor Solution for Indoor Positioning Using BLE and Inertial Sensor Data.

Feng Ye, Ruizhi Chen, Guangyi Guo, Xuesheng Peng, Zuoya Liu, Lixiong Huang

IEEE Access, 2019

Locating Smartphones Indoors Using Built-In Sensors and Wi-Fi Ranging With an Enhanced Particle Filter.

Shihao Xu, Ruizhi Chen, Yue Yu, Guangyi Guo, Lixiong Huang

IEEE Access, 2019

Indoor Smartphone Localization: A Hybrid WiFi RTT-RSS Ranging Approach.

Guangyi Guo, Ruizhi Chen, Feng Ye, Xuesheng Peng, Zuoya Liu, Yuanjin Pan

IEEE Access, 2019

A Novel Robust State Estimator Based on Rectangular Pulse Function.

Yanbo Chen, Ruizhi Chen, Yulan Shen, Pu Zhang, Zhaoyan Liu, Yansheng Lang, Xiaonan Yang

IEEE Access, 2019

SO-HandNet: Self-Organizing Network for 3D Hand Pose Estimation With Semi-Supervised Learning.

Yujin Chen, Zhigang Tu, Liuhao Ge, Dejun Zhang, Ruizhi Chen, Junsong Yuan

Proceedings of the 2019 IEEE/CVF International Conference on Computer Vision, 2019

2018

Hybrid Kernel Based Machine Learning Using Received Signal Strength Measurements for Indoor Localization.

Jun Yan, Lin Zhao, Jian Tang, Yuwei Chen, Ruizhi Chen, Liang Chen

IEEE Trans. Veh. Technol., 2018

Image-Based Localization Aided Indoor Pedestrian Trajectory Estimation Using Smartphones.

Yan Zhou, Xianwei Zheng, Ruizhi Chen, Hanjiang Xiong, Sheng Guo

Sensors, 2018

Smartphone Heading Correction Based on Gravity Assisted and Middle Time Simulated-Zero Velocity Update Method.

Qinghua Zeng, Shijie Zeng, Jianye Liu, Qian Meng, Ruizhi Chen, Heze Huang

Sensors, 2018

Extrinsic Calibration of 2D Laser Rangefinders Using an Existing Cuboid-Shaped Corridor as the Reference.

Deyu Yin, Jingbin Liu, Teng Wu, Keke Liu, Juha Hyyppä, Ruizhi Chen

Sensors, 2018

An Indoor Positioning System Based on Static Objects in Large Indoor Scenes by Using Smartphone Cameras.

Aoran Xiao, Ruizhi Chen, Deren Li, Yujin Chen, Dewen Wu

Sensors, 2018

An Effective Image Denoising Method for UAV Images via Improved Generative Adversarial Networks.

Ruihua Wang, Xiongwu Xiao, Bingxuan Guo, Qianqing Qin, Ruizhi Chen

Sensors, 2018

Positioning Locality Using Cognitive Directions Based on Indoor Landmark Reference System.

Yankun Wang, Hong Fan, Ruizhi Chen, Huan Li, Luyao Wang, Kang Zhao, Wu Du

Sensors, 2018

Improving GNSS Ambiguity Acceptance Test Performance with the Generalized Difference Test Approach.

Lei Wang, Ruizhi Chen, Lili Shen, Yanming Feng, Yuanjin Pan, Ming Li, Peng Zhang

Sensors, 2018

Initial Assessment of the LEO Based Navigation Signal Augmentation System from Luojia-1A Satellite.

Lei Wang, Ruizhi Chen, Deren Li, Guo Zhang, Xin Shen, Baoguo Yu, Cailun Wu, Song Xie, Peng Zhang, Ming Li, Yuanjin Pan

Sensors, 2018

A Bayesian Density Model Based Radio Signal Fingerprinting Positioning Method for Enhanced Usability.

Zheng Li, Jingbin Liu, Fan Yang, Xiaoguang Niu, Leilei Li, Zemin Wang, Ruizhi Chen

Sensors, 2018

Temporal-Spatial Surface Seasonal Mass Changes and Vertical Crustal Deformation in South China Block from GPS and GRACE Measurements.

Meilin He, Wenbin Shen, Yuanjin Pan, Ruizhi Chen, Hao Ding, Guangyi Guo

Sensors, 2018

The Accuracy Comparison of Three Simultaneous Localization and Mapping (SLAM)-Based Indoor Mapping Technologies.

Yuwei Chen, Jian Tang, Changhui Jiang, Lingli Zhu, Matti Lehtomäki, Harri Kaartinen, Risto Kaijaluoto, Yiwu Wang, Juha Hyyppä, Hannu Hyyppä, Hui Zhou, Ling Pei, Ruizhi Chen

Sensors, 2018

Wide Swath Stereo Mapping from Gaofen-1 Wide-Field-View (WFV) Images Using Calibration.

Shoubin Chen, Jingbin Liu, Wenchao Huang, Ruizhi Chen

Sensors, 2018

Indoor Visual Positioning Aided by CNN-Based Image Retrieval: Training-Free, 3D Modeling-Free.

Yujin Chen, Ruizhi Chen, Mengyun Liu, Aoran Xiao, Dewen Wu, Shuheng Zhao

Sensors, 2018

Extrinsic Calibration of 2D Laser Rangefinders Based on a Mobile Sphere.

Shoubin Chen, Jingbin Liu, Teng Wu, Wenchao Huang, Keke Liu, Deyu Yin, Xinlian Liang, Juha Hyyppä, Ruizhi Chen

Remote. Sens., 2018

Mobile Geospatial Computing Systems for Ubiquitous Positioning.

Liang Chen, Olivier Julien, Elena Simona Lohan, Gonzalo Seco-Granados, Ruizhi Chen

Mob. Inf. Syst., 2018

A Localization Database Establishment Method Based on Crowdsourcing Inertial Sensor Data and Quality Assessment Criteria.

Peng Zhang, Ruizhi Chen, You Li, Xiaoji Niu, Lei Wang, Ming Li, Yuanjin Pan

IEEE Internet Things J., 2018

Multi-Sensor Multi-Floor 3D Localization With Robust Floor Detection.

You Li, Zhouzheng Gao, Zhe He, Peng Zhang, Ruizhi Chen, Naser El-Sheimy

IEEE Access, 2018

Simulated-Zero Velocity Update Method for smartphone Navigation.

Shijie Zeng, Qinghua Zeng, Ruizhi Chen, Qian Meng, Heze Huang, Jianye Liu

Proceedings of the 2018 Ubiquitous Positioning, 2018

Extrinsic Calibration of 2D Laser Rangefinders Using Indoor Geometric Constraints.

Deyu Yin, Teng Wu, Jingbin Liu, Ruizhi Chen, Juha Hyyppä

Proceedings of the 2018 Ubiquitous Positioning, 2018

Positioning in Large Indoor Spaces using Smartphone Camera based on Static Objects.

Aoran Xiao, Ruizhi Chen, Dewen Wu, Yujin Chen

Proceedings of the 2018 Ubiquitous Positioning, 2018

Automated large scale indoor reconstruction using vehicle survey data.

Teng Wu, Jingbin Liu, Ming Li, Ruizhi Chen, Juha Hyyppä

Proceedings of the 2018 Ubiquitous Positioning, 2018

A Robust Filter for TOA Based Indoor Localization in Mixed LOS/NLOS Environment.

Lei Wang, Ruizhi Chen, Liang Chen, Lili Shen, Peng Zhang, Yuanjin Pan, Ming Li

Proceedings of the 2018 Ubiquitous Positioning, 2018

An Image-based Visual Localization Approach to Urban Space.

Xuan Liao, Ming Li, Ruizhi Chen, Bingxuan Guo, Xiqi Wang

Proceedings of the 2018 Ubiquitous Positioning, 2018

A Real-time Indoor Visual Localization and Navigation Method Based on Tango Smartphone.

Ming Li, Ruizhi Chen, Xuan Liao, Bingxuan Guo, Liang Chen, Jinbing Liu, Teng Wu, Lei Wang, Yuanjin Pan, Peng Zhang

Proceedings of the 2018 Ubiquitous Positioning, 2018

Seamless Navigation Methodology optimized for Indoor/Outdoor Detection Based on WIFI.

Heze Huang, Qinghua Zeng, Ruizhi Chen, Qian Meng, Jingxian Wang, Shijie Zeng

Proceedings of the 2018 Ubiquitous Positioning, 2018

Multi-Sensors Walking Speed Estimation Robust against the Dynamics of Handheld Devices.

Guangyi Guo, Ruizhi Chen, Yuanjin Pan, Zhipeng Cao, Liang Chen

Proceedings of the 2018 Ubiquitous Positioning, 2018

SLAM Based Indoor Mapping Comparison: Mobile or Terrestrial ?

Yuwei Chen, Changhui Jiang, Lingli Zhu, Harri Kaartinen, Juha Hyyppä, Jian Tang, Hannu Hyyppä, Hui Zhou, Ruizhi Chen, Ling Pei

Proceedings of the 2018 Ubiquitous Positioning, 2018

iBaby: A low cost BLE pseudolite based indoor baby care system.

Zhipeng Cao, Ruizhi Chen, Guangyi Guo, Yuanjin Pan

Proceedings of the 2018 Ubiquitous Positioning, 2018

Fast and Efficient Deep Sparse Multi-Strength Spiking Neural Networks with Dynamic Pruning.

Ruizhi Chen, Hong Ma, Shaolin Xie, Peng Guo, Pin Li, Donglin Wang

Proceedings of the 2018 International Joint Conference on Neural Networks, 2018

Low Latency Spiking ConvNets with Restricted Output Training and False Spike Inhibition.

Ruizhi Chen, Hong Ma, Peng Guo, Shaolin Xie, Pin Li, Donglin Wang

Proceedings of the 2018 International Joint Conference on Neural Networks, 2018

FBNA: A Fully Binarized Neural Network Accelerator.

Peng Guo, Hong Ma, Ruizhi Chen, Pin Li, Shaolin Xie, Donglin Wang

Proceedings of the 28th International Conference on Field Programmable Logic and Applications, 2018

2017

Joint Wireless Positioning and Emitter Identification in DVB-T Single Frequency Networks.

Liang Chen, Lie-Liang Yang, Jun Yan, Ruizhi Chen

IEEE Trans. Broadcast., 2017

An Improved Compressive Sensing and Received Signal Strength-Based Target Localization Algorithm with Unknown Target Population for Wireless Local Area Networks.

Jun Yan, Kegen Yu, Ruizhi Chen, Liang Chen

Sensors, 2017

Visual Positioning Indoors: Human Eyes vs. Smartphone Cameras.

Dewen Wu, Ruizhi Chen, Liang Chen

Sensors, 2017

Indoors Locality Positioning Using Cognitive Distances and Directions.

Yankun Wang, Hong Fan, Ruizhi Chen

Sensors, 2017

Scene Recognition for Indoor Localization Using a Multi-Sensor Fusion Approach.

Mengyun Liu, Ruizhi Chen, Deren Li, Yujin Chen, Guangyi Guo, Zhipeng Cao, Yuanjin Pan

Sensors, 2017

A Stereo Dual-Channel Dynamic Programming Algorithm for UAV Image Stitching.

Ming Li, Ruizhi Chen, Weilong Zhang, Deren Li, Xuan Liao, Lei Wang, Yuanjin Pan, Peng Zhang

Sensors, 2017

Robust Indoor Mobile Localization with a Semantic Augmented Route Network Graph.

Yan Zhou, Xianwei Zheng, Hanjiang Xiong, Ruizhi Chen

ISPRS Int. J. Geo Inf., 2017

Automated matching of multiple terrestrial laser scans for stem mapping without the use of artificial references.

Jingbin Liu, Xinlian Liang, Juha Hyyppä, Xiaowei Yu, Matti Lehtomäki, Jiri Pyörälä, Lingli Zhu, Yunsheng Wang, Ruizhi Chen

Int. J. Appl. Earth Obs. Geoinformation, 2017

2016

A Survey of Crowd Sensing Opportunistic Signals for Indoor Localization.

Ling Pei, Min Zhang, Danping Zou, Ruizhi Chen, Yuwei Chen

Mob. Inf. Syst., 2016

Scan matching technology for forest navigation with map information.

Yuwei Chen, Jian Tang, Ehsan Khoramshahi, Teemu Hakala, Harri Kaartinen, Anttoni Jaakkola, Juha Hyyppä, Zhen Zhu, Ruizhi Chen

Proceedings of the IEEE/ION Position, Location and Navigation Symposium, 2016

2015

Fast Fingerprint Database Maintenance for Indoor Positioning Based on UGV SLAM.

Jian Tang, Yuwei Chen, Liang Chen, Jingbin Liu, Juha Hyyppä, Antero Kukko, Harri Kaartinen, Hannu Hyyppä, Ruizhi Chen

Sensors, 2015

Inferring Human Activity in Mobile Devices by Computing Multiple Contexts.

Ruizhi Chen, Tianxing Chu, Keqiang Liu, Jingbin Liu, Yuwei Chen

Sensors, 2015

Reciprocal Estimation of Pedestrian Location and Motion State toward a Smartphone Geo-Context Computing Solution.

Jingbin Liu, Lingli Zhu, Yunsheng Wang, Xinlian Liang, Juha Hyyppä, Tianxing Chu, Keqiang Liu, Ruizhi Chen

Micromachines, 2015

Constraint Kalman filter for indoor bluetooth localization.

Liang Chen, Heidi Kuusniemi, Yuwei Chen, Jingbin Liu, Ling Pei, Laura Ruotsalainen, Ruizhi Chen

Proceedings of the 23rd European Signal Processing Conference, 2015

2014

Adaptive mobile tracking in unknown non-line-of-sight conditions with application to digital TV networks.

Liang Chen, Robert Piché, Heidi Kuusniemi, Ruizhi Chen

EURASIP J. Adv. Signal Process., 2014

Integrating monocular vision and laser point for indoor UAV SLAM.

Qinghua Zeng, Yushu Wang, Jianye Liu, Ruizhi Chen, Xiaoyi Deng

Proceedings of the 2014 Ubiquitous Positioning Indoor Navigation and Location Based Service, 2014

A context detection approach using GPS module and emerging sensors in smartphone platform.

Wenchao Xu, Ruizhi Chen, Tianxing Chu, Lei Kuang, Yanqin Yang, Xiao Li, Jingbin Liu, Yuwei Chen

Proceedings of the 2014 Ubiquitous Positioning Indoor Navigation and Location Based Service, 2014

Development of a contextual thinking engine in mobile devices.

Ruizhi Chen, Tianxing Chu, Jingbin Liu, Yuwei Chen, Liang Chen, Wenchao Xu, Xiao Li, Juha Hyyppä, Jian Tang

Proceedings of the 2014 Ubiquitous Positioning Indoor Navigation and Location Based Service, 2014

2013

Bayesian Fusion for Indoor Positioning Using Bluetooth Fingerprints.

Liang Chen, Ling Pei, Heidi Kuusniemi, Yuwei Chen, Tuomo Kröger, Ruizhi Chen

Wirel. Pers. Commun., 2013

Electromyography-Based Locomotion Pattern Recognition and Personal Positioning Toward Improved Context-Awareness Applications.

Qian Wang, Xiang Chen, Ruizhi Chen, Yuwei Chen, Xu Zhang

IEEE Trans. Syst. Man Cybern. Syst., 2013

Human Behavior Cognition Using Smartphone Sensors.

Ling Pei, Robert Guinness, Ruizhi Chen, Jingbin Liu, Heidi Kuusniemi, Yuwei Chen, Liang Chen, Jyrki Kaistinen

Sensors, 2013

Sound positioning using a small-scale linear microphone array.

Ling Pei, Liang Chen, Robert Guinness, Jingbin Liu, Heidi Kuusniemi, Yuwei Chen, Ruizhi Chen, Stefan Söderholm

Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, 2013

2012

Using LS-SVM Based Motion Recognition for Smartphone Indoor Wireless Positioning.

Ling Pei, Jingbin Liu, Robert Guinness, Yuwei Chen, Heidi Kuusniemi, Ruizhi Chen

Sensors, 2012

A Hybrid Smartphone Indoor Positioning Solution for Mobile LBS.

Jingbin Liu, Ruizhi Chen, Ling Pei, Robert Guinness, Heidi Kuusniemi

Sensors, 2012

iParking: An Intelligent Indoor Location-Based Smartphone Parking Service.

Jingbin Liu, Ruizhi Chen, Yuwei Chen, Ling Pei, Liang Chen

Sensors, 2012

Motion Restricted Information Filter for Indoor Bluetooth Positioning.

Liang Chen, Heidi Kuusniemi, Yuwei Chen, Ling Pei, Tuomo Kröger, Ruizhi Chen

Int. J. Embed. Real Time Commun. Syst., 2012

Effect of camera characteristics on the accuracy of a visual gyroscope for indoor pedestrian navigation.

Laura Ruotsalainen, Jared Bancroft, Gérard Lachapelle, Heidi Kuusniemi, Ruizhi Chen

Proceedings of the 2012 Ubiquitous Positioning, 2012

The evaluation of WiFi positioning in a Bluetooth and WiFi coexistence environment.

Ling Pei, Jingbin Liu, Robert Guinness, Yuwei Chen, Tuomo Kröger, Ruizhi Chen, Liang Chen

Proceedings of the 2012 Ubiquitous Positioning, 2012

Time delay tracking for positioning in DTV networks.

Liang Chen, Lie-Liang Yang, Ruizhi Chen

Proceedings of the 2012 Ubiquitous Positioning, 2012

Utilizing pulsed pseudolites and high-sensitivity GNSS for ubiquitous outdoor/indoor satellite navigation.

Heidi Kuusniemi, Mohammad Zahidul H. Bhuiyan, Marten Strom, Stefan Söderholm, Timo Jokitalo, Liang Chen, Ruizhi Chen

Proceedings of the 2012 International Conference on Indoor Positioning and Indoor Navigation, 2012

Utilizing building layout for performance optimization of a multi-sensor fusion model in indoor navigation.

Mohammad Zahidul H. Bhuiyan, Heidi Kuusniemi, Liang Chen, Laura Ruotsalainen, Ling Pei, Robert Guinness, Ruizhi Chen

Proceedings of the International Conference on Localization and GNSS, 2012

2011

Photorealistic Building Reconstruction from Mobile Laser Scanning Data.

Lingli Zhu, Juha Hyyppä, Antero Kukko, Harri Kaartinen, Ruizhi Chen

Remote. Sens., 2011

Heading change detection for indoor navigation with a Smartphone camera.

Laura Ruotsalainen, Heidi Kuusniemi, Ruizhi Chen

Proceedings of the 2011 International Conference on Indoor Positioning and Indoor Navigation, 2011

Wearable electromyography sensor based outdoor-indoor seamless pedestrian navigation using motion recognition method.

Yuwei Chen, Ruizhi Chen, Xiang Chen, Wei Chen, Qian Wang

Proceedings of the 2011 International Conference on Indoor Positioning and Indoor Navigation, 2011

2010

Two-channel Hyperspectral LiDAR with a Supercontinuum Laser Source.

Yuwei Chen, Esa Räikkönen, Sanna Kaasalainen, Juha Suomalainen, Teemu Hakala, Juha Hyyppä, Ruizhi Chen

Sensors, 2010

An approach of 3D model simplification for mobile phone based navigation application.

Lingli Zhu, Juha Hyyppä, Ruizhi Chen, Zhengjun Liu

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

A novel pedestrian dead reckoning algorithm using wearable EMG sensors to measure walking strides.

Qian Wang, Xu Zhang, Xiang Chen, Ruizhi Chen, Wei Chen, Yuwei Chen

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

Overview of methods for visual-aided pedestrian navigation.

Laura Ruotsalainen, Heidi Kuusniemi, Ruizhi Chen

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

Content aggregation in personal location-aware mashup.

Ling Pei, Ruizhi Chen, Tomi Tenhunen, Heidi Kuusniemi, Yuwei Chen, Jingbin Liu

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010

Method of pedestrian dead reckoning using speed recognition.

Tuomo Kröger, Yuwei Chen, Ling Pei, Tomi Tenhunen, Heidi Kuusniemi, Ruizhi Chen, Wei Chen

Proceedings of the Ubiquitous Positioning Indoor Navigation and Location Based Service, 2010