Ryosuke Aoki
I am an engineer specializing in GIS, remote sensing, and AI at a Japanese aerial surveying company. I combine satellite imagery, aerial photography, and machine learning to tackle real-world challenges through geospatial technology.
Sessions
Volunteers from the FOSS4G 2026 Hiroshima LOC are building a cross-platform event guide app using React Native and MapLibre. The app offers map-based navigation from Hiroshima Station to the venue, interactive indoor floor maps, and session information linked to each floor.
“Find me sunny buildings near Hiroshima Station.”
This may sound easy for AI, but handling spatial relationships and 3D information such as which way building surfaces face is not straightforward.
This talk presents a portable DuckDB-based approach to 3D city model search that combines spatial, semantic, and geometric cues.