We won a golden medal in the 2021 Fujian Provincial Excellent Surveying and Mapping

Mar 23, 2022

Congrats! A project called “2019 Basic Aerospace Remote sensing Image Acquisition Project -Fujian Coastline & Fujian Fuzhou New Area Photographic Area” carried out by Feiyan Remote sensing won a golden medal in the 2021 Fujian Provincial Excellent Surveying and Mapping Geographic Information Engineering Prize.

The project used the Cessna 208B equipped with the largest UCE digital aerial camera and POS system, which lasted for 35 days and covered a total area of 5864km². We optimized the design for the coastline and islands, adopted the method of large overlap Aerial photography and accurately adjust the local exposure point, completed the task on time with quality and quantity. Aiming at the color cast phenomenon that water and land are prone to appear together, we developed a water boundary tracking and expansion algorithm to automatically extract the boundary line of the water area to form an accurate water and land boundary.

The final acquisition of true color, panchromatic, and color infrared image data (better than 0.2 m) has passed the acceptance of the National Basic Geographic Information Center and the National Oceanic Information Center.

The project lays a foundation for the application and service of aerial Remote sensing images of coastlines. It also provides a guarantee for the production of orthophoto maps, the update of coastline foundations, coastline surveys, and reclamation monitoring of the National Ocean Information Center.