RESEARCH INTERESTS

• Smart mining

• Digital Twins in mining

• AICBM (AI, IoT, Cloud, Big Data, Mobile) Conversion Technologies

• Photovoltaic System

• Green Mobility (e.g. Vehicle-integrated photovoltaics, Electric vehicles)

• Geographic Information Systems (GIS)

• Spatial Analysis

• Mining Simulation

WORK EXPERIENCES

• March.2024-Now: Assistant Professor, Energy Resources Engineering, Pukyong National University

• March.2023-Feb.2024: Part-time lecturer, Department of Energy Resources Engineering, Pukyong National University 

• April.2022-Feb.2024: Research Professor, Energy Resources Institute, Pukyong National University

• April.2020-Feb.2022: Postdoctoral Fellow, Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources

EDUCATION

• Sep.2017-Feb.2020: Ph.D. degree in Energy Resources Engineering, Pukyong National University, Korea

• Mar.2016-Aug.2017: Master degree in Energy Resources Engineering, Pukyong National University, Korea

• Mar.2012-Feb.2016: B.S. degree in Energy Resources Engineering, Pukyong National University, Korea

THESIS

• "Development of GIS-based Algorithms for Optimizing Haul Road and Wireless Network Transmitter Layouts in Open-pit Mines", Ph.D. Dissertation, Feb.2020

• "Uncertainty Analysis and Visualization of Open Pit Optimization Results by Considering Variation in Mineral Prices", Master Thesis, Aug.2017

PUBLICATIONS

• Optimal Installation and Operation Planning of Parking Spaces for Solar-Powered Electric Vehicles Using Hemispherical Images. J. Baek and Y. Choi*, Renewable Energy, Vol. 219/Part 1, 119444 (2023)

• An Experimental Study on Performance Evaluation of Shading Matrix to Select Optimal Parking Space for Solar-Powered Electric Vehicles. J. Baek and Y. Choi*, Sustainability, Vol. 14/22, pp. 1-17 (2022)

• Comparative Study on Shading Database Construction for Urban Roads Using 3D Models and Fisheye Images for Efficient Operation of Solar-Powered Electric Vehicles. J. Baek and Y. Choi*, Energies, Vol. 15/21, pp. 1-24 (2022)

• 3D Global Localization in the Underground Mine Environment Using Mobile LiDAR Mapping and Point Cloud Registration. J. Baek, J. Park, S. Cho and C. Lee*, Sensors, Vol. 22/8, pp. 1-23 (2022) 

• Smart Helmet-Based Personnel Proximity Warning System for Improving Underground Mine Safety. Y. Kim, J. Baek and Y. Choi*, Applied Sciences, vol. 11/10, pp. 1-18 (2021) 

• Stochastic Predictions of Ore Production in an Underground Limestone Mine Using Different Probability Density Functions: A Comparative Study Using Big Data from ICT System. D. Jung, J. Baek and Y. Choi*, Applied Sciences, vol. 11/9, pp. 1-16 (2021)

• Review of GIS-Based Applications for Mining: Planning, Operation, and Environmental Management, Y. Choi*, J. Baek and S. Park, Applied Sciences, vol. 10/7, pp. 1-25 (2020) 

• Deep Neural Network for Predicting Ore Production by Truck-Haulage Systems in Open-Pit Mines. J. Baek and Y. Choi*, Applied Sciences, vol. 10/5, pp. 1-25 (2020)

• Smart Glasses-Based Personnel Proximity Warning System for Improving Pedestrian Safety in Construction and Mining Sites. J. Baek and Y. Choi*, International Journal of Environmental Research and Public Health, vol. 17/4, pp. 1-15 (2020)

• Deep Neural Network for Ore Production and Crusher Utilization Prediction of Truck Haulage System in Underground Mine. J. Baek and Y. Choi*, Applied Sciences, vol. 9/19, pp. 1-21 (2019) 

• Simulation of Truck Haulage Operations in an Underground Mine Using Big Data from an ICT-Based Mine Safety Management System, J. Baek and Y. Choi, Applied Sciences, Vol. 9/13, pp. 1-17 (2019) 

• Bluetooth-Beacon-Based Underground Proximity Warning System for Preventing Collisions inside Tunnels, J. Baek and Y. Choi*, Applied Sciences, vol. 8/11, pp. 1-11 (2018)

• A New GIS-Based Algorithm to Support Initial Transmitter Layout Design in Open-Pit Mines, J. Baek and Y. Choi*, Energies, vol. 11/11, pp. 1-19 (2018)

• Comparison of Communication Viewsheds Derived from High-Resolution Digital Surface Models Using Line-of-Sight, 2D Fresnel Zone, and 3D Fresnel Zone Analysis. J. Baek and Y. Choi*, International Journal of Geo-Information, vol. 7/8, pp. 1-22 (2018) 

• Performance Comparison of Bluetooth Beacon and Reverse RFID Systems as Potential Tools for Measuring Truck Travel Time in Open-Pit Mines: a Simulation Experiment. J. Baek, Y. Choi*, C. Lee and J. Jung, Geosystem Engineering, vol. 21/1, pp. 43-52 (2017)

• BBUNS: Bluetooth Beacon-Based Underground Navigation System to Support Mine Haulage Operations. J. Baek, Y. Choi*, C. Lee, J. Suh and S. Lee, Minerals, vol. 7/11, pp. 1-16 (2017) 

• A New Method for Haul Road Design in Open-Pit Mines to Support Efficient Truck Haulage Operations. J. Baek and Y. Choi*, Applied Sciences, vol. 7/7, pp. 1-19 (2017) 

• A new algorithm to find raster-based least-cost paths using cut and fill operations. J. Baek and Y. Choi*, International Journal of Geographical Information Science, vol. 31/11, pp. 2234-2254 (2017) 

• Uncertainty Representation Method for Open Pit Optimization Results due to Variation in Mineral Prices. J. Baek, Y. Choi* and H-S. Park, Minerals, vol. 6/1, pp. 1-15 (2016)