Reflectance Maps – Assess reflectance based on the pixel worth in multispectral or thermal imagery. Ground-degree correction is needed for higher-level mapping applications as the precision of GPS locale is often limited at 2 to 5 meters, even at highest satellite coverage and using the most advanced GPS engineering. https://drone-mapping-bangladesh98766.educationalimpactblog.com/51783720/examine-this-report-on-uav-data-collection-bangladesh