Yushin Ahn

Yushin Ahn is an Associate Professor in the Department of Civil and Geomatics Engineering at California State University, Fresno, within the Lyles College of Engineering. His office is located in Engineering East Room 112, and he can be reached at yahn@mail.fresnostate.edu.

His educational background includes:

• Ph.D in Civil, Environmental and Geodetic Engineering (CEGE), Ohio State University, USA
• M.S in Surveying and Digital Photogrammetry, Inha University, Korea
• BEng in Civil Engineering, Inha University, Korea

Dr. Ahn's research focuses on geospatial technologies and photogrammetry. His primary areas of interest include:

• Digital Photogrammetry and Mapping
• Sensor Modeling and Calibration
• 3D Reconstruction from Remote Sensing Data
• Glacier Dynamics and Polar Regions Monitoring
• Remote Sensing Algorithm Development
• Feature Tracking (Image Matching)
• Unmanned Aircraft System (UAS) Mapping
• Digital Image Processing
• Archaeology and Heritage Preservation
• Terrestrial LiDAR

His work has applications in transportation infrastructure, environmental monitoring, and cultural heritage preservation.

Dr. Ahn has been recognized with the following awards and certifications:

• Robert E. Altenhofen Memorial Scholarship from American Society of Photogrammetry and Remote Sensing
• Certified Photogrammetrist (since 2014)

He has secured multiple research grants totaling over $1 million, primarily focused on transportation geospatial analysis. Notable projects include:

• Forecasting Commercial Vehicle Miles Traveled (VMT) (PI: Steve Chung, 2023, $59,392)
• Spatio-Temporal Air Quality Analysis (PI: Jaymin Kwon, 2021-2023, $106,000 across three grants)
• Traffic Sign Extraction from Mobile LiDAR (PI: Yushin Ahn, 2023, $13,978)
• Road Extraction from Aerial Imagery (PI: Yushin Ahn, 2022, $17,213)
• Photogrammetry-based Bridge Deformation Monitoring (PI: Yushin Ahn, 2018, $30,350)
• NSF Engineering Transfer Program (PI: Elizabeth Adams, 2019-2024, $650,000 as co-PI)

His research integrates UAS, LiDAR, and photogrammetric systems for practical transportation solutions and environmental studies, often collaborating with Fresno State's Transportation Institute.

While specific laboratory facilities aren't detailed, his work demonstrates extensive use of geospatial instrumentation including terrestrial LiDAR and UAV mapping systems.