Research Product

See our work.

Patents

4. Virtual Performance Compatibility Checking and Management for Modular Construction and Related Methods (pending; submitted in March 2021)
US20190325089A1, U.S. Patent and Trademark Office.

3. Computation of Point Clouds and Joint Display of Point Clouds and Building Information Models with Project Schedules for Monitoring Construction Progress, Productivity, and Risk for Delays, 2022
US20190325089A1, U.S. Patent and Trademark Office.

2. Wear Measurement System Using Computer Vision, 2018
US20170236261A1, U.S. Patent and Trademark Office.

1. Wear Measurement System Using a Computer Model, 2018
US9880075B2, U.S. Patent and Trademark Office.


Refereed Academic Journals

29. Lee, D., Nie, G., and Han, K. (2023). Vision-based Inspection of Prefabricated Components Using Camera Poses: Addressing Inherent Limitations of Image-based 3D Reconstruction. Journal of Building Engineering, Vol. 64, [Link]

28. Noghabaei, M., Liu, Y., and Han, K. (2022). Automated Compatibility Checking of Prefabricated Components Using 3D As-built Models and BIM. Automation in Construction, Vol. 143, [Link]

27. Son, R. and Han, K. (2022). Automated Model-based 3D Scan Planning for Prefabricated Building Components. Journal of Computing in Civil Engineering, Vol. 37, Issue 2. [Link]

26. Nie, G., Bodda, S., Sandhu, H., Han, K. and Gupta, A. (2022). Computer Vision-based Vibration Tracking Using a Digital Camera: A Sparse Optical Flow-based Target Tracking Method. Sensors. Special Issue on Camera Calibration and 3D Reconstruction. [Link]

25. Liu, Y., Han, K., Rasdorf, W. (2022). Assessment and Prediction of Impact of Flight Configuration Factors on UAS-Based Photogrammetric Survey Accuracy. Remote Sensing. 14(16). [Link]

24. Lee, D., Nie, G., Ahmed, A., and Han, K. (2022). Development of Automated Welding System for Construction: Focused on Robotic Arm Operation for Weave Patterns. International Journal of High-Rise Buildings. Special Issue on Construction Automation and Robotics, Vol. 11 - No. 2.

23. Crowder, N., Lee, J., Gupta, A., Han, K., Bodda, S., and Ritter, C. (2022). Digital Engineering for Integrated Modeling and Simulation for Building-Piping Systems through Interoperability Solutions. Nuclear Science and Engineering, Special Issue on Versatile Test Reactor, [Link]

22. Noghabaei, M., Albert, A., and Han. K. (2021). Feasibility Study to Identify Brain Activity and Eye-Tracking Features for Assessing Hazard Recognition Using Consumer-Grade Wearables in an Immersive Virtual Environment. ASCE Journal of Construction Engineering and Management. Vol. 147. Issue 9. [Link]

21. Noghabaei, M. and Han. K. (2021). Virtual Manipulation in an Immersive Virtual Environment: Simulation of Virtual Assembly. Automation in Construction. Vol. 124. [Link]

20. Jeelani, I., Asadi, K., Ramshankar, H., Han, K. and Albert, A. (2021). Real time Vision-based Worker Localization & Hazard Detection for Construction. Automation in Construction. Vol. 121. [Link]

19. Asadi, K., Haritsa, V., Han, K., and Ore, J. (2021). Automated Object Manipulation Using Vision-Based Mobile Robotic System for Construction Applications. Journal of Computing in Civil Engineering. Vol. 35. Issue 1. [Link]

18. Albert, A., Jeelani, I., and Han, K. (2020). Developing Hazard Recognition Skill among the Next-Generation of Construction Professionals. Vol. 38, Issue 11. Construction Management and Economics. Vol. 38. Issue 11. [Link]

17. Jeelani, I., Han, K., and Albert, A. (2020). Development of Virtual Reality and Stereo-panoramic Environments for Construction Safety Training. Engineering, Construction and Architectural Management. Vol. 27, No. 8. [Link]

16. Berglund, E., Monroe, J., Ahmed, I., Noghabaei, M., Do, J., Pesantez, J., Ali, M., Fasaee, K., Bardaka, E., Han, K., Proestos G., and Levis, J (2020). Smart City Perspectives for the Built Environment: A Vision for the Civil Engineering Profession. ASCE Journal of Infrastructure Systems. Vol. 26, Issue 2. [Link]

15. Asadi, K., Suresh, A., Gotad, S., Maniyar, S. Anand, S., Noghabaei, M., Han, K., Lobaton, E., and Wu., T. (2020). An Integrated Unmanned Aerial and Ground Vehicles for Construction Applications. Automation in Construction. Vol. 112 [Link]

14. Noghabaei, S., Heydarian, A., Balali, V., and Han, K. (2020). Trend Analysis on Adoption of Virtual and Augmented Reality in the Architecture, Engineering, and Construction Industry. Data. Special Issue on Data Sensing and Analysis in Design, Construction, Operation, Monitoring, and Maintenance of Built Environments. 5(20), 26 [Link]

13. Yoon, H., Han, K., and Ham, Y. (2019). A Framework of Human-motion-based Structural Dynamics Simulation Using Mobile Devices. Sensors. Vol. 19 Issue 5. [Link]

12. Asadi, K., Ramshankar, H., Noghabaei, M., and Han, K. (2019). Real-Time Image Localization and Registration with BIM Using Perspective Alignment for Indoor Monitoring of Construction. ASCE Journal of Computing in Civil Engineering. Vol. 33, Issue 5. [Link]

11. Asadi, K., Chen, P., Han, K., Wu., T., and Lobaton, E. (2019). LNSNet: Lightweight Navigable Space Segmentation for Autonomous Robots on Construction Sites. Data. Special Issue on Data Sensing and Analysis in Design, Construction, Operation, Monitoring, and Maintenance of Built Environments. Vol. 145, Issue 1. [Link]

10. Jeelani, I., Albert, A. Han, K., and Azevedo, R. (2018). Are Visual Search Patterns Predictive of Hazard Recognition Performance? Empirical Investigation Using Eye-tracking Technology. Journal of Construction Engineering and Management. Vol. 145, Issue 1, [Link]

9. Asadi, K., Bhavsar, U., Kundu, S., Mehta, P., Ramshankar, H., Samadi, S., Suraj, S., Han, K., Lobaton, E., and Wu. T. (2018). Vision-based Integrated Mobile Robotic System for Real-time Applications in Construction. Automation in Construction. Vol. 96, Pg 470-482, [Link]

8. Jeelani, I., Han, K., and Albert, A. (2018). Automating and Scaling Personalized Safety Training Using Eye-tracking Data. Automation in Construction. Vol. 93, pg. 63-77, [Link]

7. Ramachandra, M., Monroe, J., Pranav, M., Han, K., Ham, Y., and Ranga Vatsavai, R. (2018). Real-Time Energy Audit of Built Environments: Simultaneous Localization and Thermal Mapping. ASCE Journal of Infrastructure Systems. Vol. 24, Issue 3. (Invited Paper) [Link]

6. Han, K., Degol, J., and Golparvar-Fard, M. (2018). Geometry- and Appearance-based Reasoning of Construction Progress Monitoring. ASCE Journal of Construction Engineering and Management. Vol. 144, Issue 2, [Link]

5. Han, K. and Golparvar-Fard, M. (2017). Crowdsourcing BIM-guided Collection of Construction Material Library from Site Photologs. Visualization in Engineering. Vol. 5:14. [Link]

4. Han, K., and Golparvar-Fard, M. (2016). Potential of Big Visual Data and Building Information Modeling for Construction Performance Analytics: An Exploratory Study, Automation in Construction. Vol. 73, pg 184-198. [Link]

3. Ham, Y., Han, K., and Golparvar-Fard, M. (2016). Visual Monitoring of Civil Infrastructure Systems via Camera-Equipped Unmanned Aerial Vehicles (UAVs): A Review of Related Works. Visualization in Engineering. Vol. 4:1. [Link]

2. Han, K., Cline, D., and Golparvar-Fard, M. (2015). Formalized Knowledge of Construction Sequencing for Visual Monitoring of Work-in-Progress via Incomplete Point Clouds and Low-LOD 4D BIMs. Advanced Engineering Informatics. Vol. 29, Issue 4, Pg. 889–901. [Link]

1. Han, K., and Golparvar-Fard, M. (2015). Appearance-based Material Classification for Monitoring of Operation-level Construction Progress using 4D BIM and Site Photologs. Automation in Construction. Vol. 53. Pg. 44-47. [Link]


Conference Proceedings

50. Díaz, B., Delgado, C., Han, K., Lynch, C. (under review). Improving Graduate Engineering Education through Communities of Practice Approach: Analysis of Implementation in Computer Science, Robotics, and Construction Engineering Courses. American Society of Engineering Education (ASEE) Annual Conference, 2023. Baltimore, MD, June 25-28, 2023

49. Lee, D., Han, K. (under review), Autonomous Navigation with Collision Avoidance and Position Adjustment for a Robotic Welding System, 2023 ASCE International Conference on Computing in Civil Engineering (i3CE2023), Corvallis, OR, June 25-28, 2023

48. Afshan, N., Bodda, S., Gupta, A., and Han, K. (under review), Evaluation of Fault Tree Analysis Algorithms for Probabilistic Risk Assessment: A Systematic Comparative Study. i3CE2023, Corvallis, OR, June 25-28, 2023

47. Liu, Y., Han, K., and Rasdorf, W. (under review), Robust Trajectory Three-dimensional Path Planning of sUAS in the Slope Surface, i3CE2023, Corvallis, OR, June 25-28, 2023

46. Díaz, B., Delgado, C., Lynch, C. & Han, K. (accepted). Using Social Network Analysis to Evaluate the functioning of a class with multiple collaboration groups. Submitted to the International Society of the Learning Sciences (ISLS) Annual Meeting 2023, Montréal, QC, June 13-17, 2023 (~30% acceptance rate)

45. Wang, L., Lee, J., Han, K., and Gupta, A. (2022). Integrated Change Management Using 4d Building Information Models During Construction, the 22nd International Conference on Construction Applications of Virtual Reality (CONVR 2022), Seoul, Korea, Nov. 16-18, 2022

44. Nie, G., Han, K., and Gupta, A. (2022). A Fast Sparse Optical Flow-Based Motion Tracking Method for Pipe Vibration Monitoring. 26th International Conference on Structural Mechanics in Reactor Technology (SMiRT26), Berlin, Germany, July 10-15, 2022

43. Crowder, N., Lee, J., Gupta, A., and Han, K. (2022). Development of Automatic Bi-directional Digital Data Conversion Program for Improvement of the Interoperability between Building Information Model and Finite Element Model. SMiRT26, Berlin, Germany, July 10-15, 2022

42. Lee, D. and Han, K. (2022). Design of Computer Vision-Based Robotic Welding for Nuclear Power Plants Construction Project. SMiRT26, Berlin, Germany, July 10-15, 2022

41. Díaz, B., Delgado, C., and Han, K. (2022). BIM: A Bridge to Promote Industry-Academic Partnership in Construction Engineering. 2022 ASEE Annual Conference & Exposition, Minneapolis, Minnesota. June 26-29, 2022

40. Díaz, B., Delgado, C. Han, K. Lynch, C. (2022). Use of Communities of Practice to Analyze and Improve Graduate Engineering Education. 2022 ASEE Annual Conference & Exposition, Minneapolis, Minnesota. June 26-29, 2022

39. Son, R. and Han, K. (2022). Automated Visual Inspection Planning for Prefabricated Modules with 3D Laser Scanning, 2022 Construction Research Council. Arlington, VA. March 9 -12, 2022.

38. Lee, D., Nie, G., and Han, K. (2022). Real-time Automatic Detection of Welding Joints Using Deep Learning, 2022 Construction Research Council, Arlington, VA. March 9 -12, 2022.

37. Liu, Y., Han, K., Rasdorf, W., (2022), Evaluation of UAS Flight Configuration Factors and Their Impacts on Photogrammetric Survey Accuracy, 2022 Construction Research Council, Arlington, VA. March 9 -12, 2022.

36. Son, R. and Han, K. (2021). Image Acquisition Planning for Image-based 3D Reconstruction Using a Robotic Arm, 38th International Symposium on Automation and Robotics in Construction, Dubai, UAE. Nov 1-5, 2021.

35. Kumar, A., Han, K., Ham, Y., and Yoon, H. (2021). Development of a Student-centric Cyber-Physical System (SCPS): An Android App for Interactive Learning of Structural Analysis and Dynamics, 2021 ASCE International Conference on Computing in Civil Engineering (i3CE), Orlando, FL. Sept. 12-14, 2021.

34. Jeelani, I., Han, K. and Albert, A. (2020). Improving Safety Performance in Construction Using Visual Data Analytics and Virtual Reality, 2020 Construction Research Congress, Tempe, AZ. Mar. 8-10, 2020.

33. Asadi, K. and Han, K. (2020). An Integrated Aerial and Ground Vehicle (UAV-UGV) System for Automated Data Collection for Indoor Construction Sites, 2020 Construction Research Congress, Tempe, AZ. Mar. 8-10, 2020.

32. Noghabaei, M. and Han. K. (2020). Understanding How Construction Workers Recognize Hazards in an Immersive Virtual Environment: Analysis of EEG and Visual Search Patterns, 2020 Construction Research Congress, Tempe, AZ. Mar. 8-10, 2020.

31. Lee, D. and Han, K. (2020). Vision-based Quality Assessment of Prefabricated Components using Images and Camera Poses, 2020 Construction Research Congress, Tempe, AZ. Mar. 8-10, 2020.

30. O’Neil, G., Ball, M., Noghabaei, M., Liu, Y., and Han, K. (2020). Toward Automated Virtual Assembly for Prefabricated Construction: Construction Sequencing through Simulated BIM, 2020 Construction Research Congress, Tempe, AZ. Mar. 8-10, 2020.

29. McCarn, A., Gachie, J., Parmar, J., Han, K., and Gupta, A. (2019). Integrated Approach to Design and Construction of a Nuclear Facility Using Building Information Modeling, 25th International Conference on Structural Mechanics in Reactor Technology, Charlotte, NC. Aug. 5-9, 2019.

28. Han, K., and Gupta, A. (2019). Performance Monitoring of Modular Construction Through a Virtually Connected Project Site and Off-Site Manufacturing Facilities, 25th International Conference on Structural Mechanics in Reactor Technology, Charlotte, NC. Aug. 5-9, 2019.

27. Jeelani, I., Ramshankar, H., Han, K. and Albert, A. (2019). Real-time Hazard Proximity Detection – Localization of Workers Using Visual Data, 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, GA. Jun. 17-19, 2019.

26. Asadi, K., Jain, K., Qin, Z., Sun, M., Noghabaei, M., Cole, J., Han, K., Lobaton, E. (2019). Vision-Based Obstacle Removal System for Autonomous Ground Vehicles Using a Robotic Arm, 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, GA. Jun. 17-19, 2019. (Asadi, K. - Best Post Award)

25. Noghabaei, M. and Han. K. (2019). Virtual Manipulation in an Immersive Virtual Environment: Simulation of Virtual Assembly, 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, GA. Jun. 17-19, 2019.

24. Asadi, K., Chen, P., Han, K., Wu, T., Lobaton, E. (2019). Real-time Scene Segmentation Using a Light Deep Neural Network Architecture for Autonomous Robot Navigation on Construction Sites, 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, GA. Jun. 17-19, 2019.

23. Jung, Y., Li, Y., Han, K., Lobaton, E., and Yoon, H. (2019). A Feasibility Study of Multimodal Sensing and Machine Learning Techniques to Monitor Construction Workers' Mental and Physical States and Predict Unsafe Actions, SPIE: Nano-, Bio-, Info-Tech Sensors and 3D Systems, Denver, CO, Mar. 3-7, 2019.

22. Delgado, C., Norville, K., Han, K., Lobaton, E., and Wu, T. (2019). Assessing the Effectiveness of Individual Learning in a Realistic Engineering Design Class, 2019 American Society for Engineering Education Southeastern Section Conference, Raleigh, NC. Mar. 10-12, 2019.

21. Jeelani, I., Han, K., and Albert, A. (2018). Real-World Mapping of Gaze Fixations Using Instance Segmentation for Road Construction Safety Applications, Transportation Research Board (TRB), Washington, D.C., Jan. 13-17, 2019.

20. Jeelani, I., Han, K., and Albert A. (2018). Automating Analysis of Construction Workers’ Viewing Patterns for Personalized Safety Training and Management, 35th International Symposium on Automation and Robotics in Construction, Berlin, Germany. July 20-25, 2018.

19. Asadi, K., Ramshankar, H., Pullagurla, H., Bhandare, A., Shanbhag S., Mehta, P., Kundu, S., Han, K., Lobaton, E., and Wu, T. (2018). Building an Integrated Mobile Robotic System for Real-Time Applications in Construction, 35th International Symposium on Automation and Robotics in Construction, Berlin, Germany. July 20-25, 2018.

18. Noghabaei, S., Balali, V., Heydarian, A., and Han, K. (2018). Improved Stakeholder Communication and Visualizations: Real-time Interaction and Cost Estimation within Immersive Virtual Environments, 2018 Construction Research Congress, New Orleans, LA. April 2-5, 2018.

17. Asadi Boroujeni, K., and Han, K. (2018). BIM-guided Real-time Localization and Mapping through Perspective Alignment, 2018 Construction Research Congress, New Orleans, LA. April 2-5, 2018.

16. Jeelani, I., Han, K., and Albert, A. (2018). Scaling Personalized Safety Training through Automated Feedback Generation, 2018 Construction Research Congress, New Orleans, LA. April 2-5, 2018. (Jeelani, I. - 2nd Place Poster Award)

15. Ramachandra, M., Monroe, J., Pranav, M., Han, K., Ham, Y., and Raju Vatsavai, R. (2017). Energy Audit of Built Environments through Simultaneous Localization and Thermal Mapping, Int’l Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities, Seoul, South Korea, July 19-21, 2017.

14. Asadi Boroujeni, K., Ramshankar, H., and Han, K. (2017). Image-to-BIM Alignment using Perspective Detection for Automated Progress Detection, Proc., ASCE Int’l Workshop on Computing in Civil Engineering, Seattle, WA June 25-27, 2017.

13. Jeelani, I., Han, K., and Albert, A. (2017). Development of Immersive Personalized Training Environment for Construction Workers, Proc., ASCE Int’l Workshop on Computing in Civil Engineering, Seattle, WA June 25-27, 2017.

12. Hossain-McKenzie, S., Han, K., and Davis, K. (2016). Generator Control Action Classification Based on Localized Voltage Measurements, 48th North American Power Symposium, Denver, CO, Sep. 18 – 19, 2016.

11. Han, K., Muthukumar, B. and Golparvar-Fard, M. (2016). Enhanced Appearance-based Material Classification for Monitoring of Operation-level Construction Progress through Removal of Occlusions, 2016 Construction Research Congress, San Juan, Puerto Rico, May 31 - Jun. 2, 2016.

10. Han, K., and Golparvar-Fard, M. (2015). Information Requirement for Model-based Construction Monitoring via Emerging Big Visual Data and BIM: A Case Study, 6th International Conference on Construction Engineering and Project Management, Busan, Korea, Oct. 11-14, 2015.

9. Han, K., and Golparvar-Fard, M. (2015). The Role of Integrated Plan and As-Built Models in Achieving Smooth Flow of Production in Construction, International Conference on Innovative Production and Construction (IPC 2015), Pertha, Australia, July 28-31, 2015.

8. Lin, J., Han, K., and Golparvar-Fard, M. (2015). Model-driven Collection of Visual Data using UAVs for Automated Construction Progress Monitoring. Proc., Int’l Conference for Computing in Civil and Building Engineering 2015, Austin, TX June 21-23, 2015. (Best Paper Award)

7. Han, K., and Golparvar-Fard, M. (2015). BIM-assisted Structure from Motion for Analyzing and Visualizing Construction Progress Deviations through Daily Site Images and BIM. Proc., Int’l Conference for Computing in Civil and Building Engineering, Austin, TX June 21-23, 2015. (Honorary Certificates of Appreciation & Selected Student Demo)

6. Han, K., Lin, J., and Golparvar-Fard, M. (2015). A formalism for utilization of autonomous vision-based systems and integrated project models for construction progress monitoring. Conference on Autonomous and Robotic Construction of Infrastructure, Ames, IA, June 2-3, 2015.

5. Lin, J., Han, K., Fukuchi, Y., Eda, M., and Golparvar-Fard, M. (2015). Image-based Quality Monitoring for Alignment and Placement of Prefabricated Bridge Structural Components. Proc., 2nd Int’l Conference on Civil and Building Engineering Informatics, Tokyo, Japan. Apr. 22-24, 2015.

4. Han, K., and Golparvar-Fard, M. (2014). Multi-Sample Image-based Material Recognition and Formalized Sequencing Knowledge for Operation-Level Construction Progress Monitoring. Proc., Int’l Conference for Computing in Civil and Building Engineering 2014, Orlando, FL June 23-25.

3. Han, K., and Golparvar-Fard, M. (2014). Automated Monitoring of Operation-Level Construction Progress Using 4D BIM and Daily Construction Photologs. Proc., Construction Research Congress 2014, Atlanta, GA. May 19-21. (2nd Place Poster Award)

2. Han, K., Gwak, J., Golparvar-Fard, M., Saidi, K., Cheok, G., Franaszek, M., and Lipman, R. (2013). Vision-based Field Inspection of Concrete Reinforcing Bars. Proc., 13th Int'l Conference on Construction Applications of Virtual Reality 2013, London, UK. Oct. 30-31.

1. Han, K., Igarashi, Z., Fukuchi, Y., and Golparvar-Fard, M. (2013). Image-based Quality Monitoring for Alignment and Placement of Prefabricated Bridge Structural Components. Proc., 1st Int'l Conference on Civil and Building Engineering Informatics 2013, Tokyo, Japan. Nov. 7-8.