Dr. Raj Bridgelall Profile

Dr. Raj Bridgelall

Assistant Professor at North Dakota State Univ.

SPIE Involvement:

Author

Area of Expertise:

Intelligent Transportation Systems , Electrical Engineering , Wireless Communications , Radio Frequency Identification (RFID)

Websites:

Personal Website

Industry technology leader and academe principal investigator with more than 25 years of research, product engineering and technical management experience. Products and services deployed include intelligent transportation systems, wireless sensor networks, cloud computing, big data analytics, mobile computing, and optomechanical systems. Product innovations produced more than $1B in accumulated revenue in less than one decade. Named on 140 US patents issued or pending.

Proceedings Article | 13 May 2020 Presentation + Paper

Evaluating the ride quality of unpaved roads using smartphones

Xinyi Yang, Hafiz Ahmed, Liuqing Hu, Raj Bridgelall, Leonard Chia, Ying Huang, Pan Lu

Proceedings Volume 11379, 113790L (2020) https://doi.org/10.1117/12.2557113

KEYWORDS: Roads, Denoising, Sensors, Quality measurement, Cell phones

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Proceedings Article | 27 March 2019 Paper

Train speed estimation using low-cost GPS receivers

Leonard Chia, Bhavana Bhardwaj, Raj Bridgelall, Pan Lu, Denver Tolliver

Proceedings Volume 10970, 109702J (2019) https://doi.org/10.1117/12.2507020

KEYWORDS: Global Positioning System, Receivers, Sensors, Inspection

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Proceedings Article | 27 March 2019 Presentation + Paper

Sensor system benefits and costs in positive train control

Raj Bridgelall, Bryan King, Ying Huang, Denver Tolliver, Pan Lu

Proceedings Volume 10970, 109701R (2019) https://doi.org/10.1117/12.2512882

KEYWORDS: Telecommunications, Control systems, Sensors, Safety, Computing systems, Injuries, Switches, Databases

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Proceedings Article | 27 March 2018 Presentation + Paper

Road sensor network for smart city applications

Ying Huang, Pan Lu, Raj Bridgelall

Proceedings Volume 10598, 105983D (2018) https://doi.org/10.1117/12.2295949

KEYWORDS: Roads, Sensor networks, Unmanned vehicles, Sensors, Safety, Fiber optics sensors, Signal detection, Environmental sensing, Fiber Bragg gratings, Data acquisition

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Proceedings Article | 20 April 2016 Paper

Field validation of road roughness evaluation using in-pavement strain sensors

Z. Zhang, F. Deng, Y. Huang, R. Bridgelall

Proceedings Volume 9803, 98031E (2016) https://doi.org/10.1117/12.2219297

KEYWORDS: Roads, Sensors, Profiling, Structural health monitoring, Numerical simulations, Calibration, Sensing systems, Safety, IRIS Consortium, Standards development, Environmental sensing, Neodymium, Mathematical modeling

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Proceedings Article | 20 April 2016 Presentation + Paper

Hyperspectral range imaging for transportation systems evaluation

Raj Bridgelall, J. Rafert, Don Atwood, Denver Tolliver

Proceedings Volume 9803, 98032Y (2016) https://doi.org/10.1117/12.2208250

KEYWORDS: Hyperspectral imaging, Imaging systems, Nondestructive evaluation, Inspection, Range imaging, Image classification, Intelligence systems, Photogrammetry, Spatial resolution, Image fusion, Atomic force microscopy, 3D modeling, 3D image processing, Cameras

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Proceedings Article | 27 March 2015 Paper

Hyperspectral imaging utility for transportation systems

Raj Bridgelall, J. Bruce Rafert, Denver Tolliver

Proceedings Volume 9435, 943522 (2015) https://doi.org/10.1117/12.2083957

KEYWORDS: Remote sensing, Hyperspectral imaging, Image sensors, Roads, Sensors, Image processing, Imaging systems, Satellites, Image classification, Satellite imaging

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Proceedings Article | 8 March 2014 Paper

A participatory sensing approach to characterize ride quality

Raj Bridgelall

Proceedings Volume 9061, 90610A (2014) https://doi.org/10.1117/12.2046854

KEYWORDS: IRIS Consortium, Roads, Global Positioning System, Sensors, Data modeling, Statistical analysis, Systems modeling, Error analysis, Fourier transforms, Safety

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