GeoSurvey: A cloud-based mobile app for efficient land surveys and big data collection

Conventional land-based surveys are often cumbersome, labor-intensive, and costly. To address these issues, a free mobile app called "GeoSurvey"has been developed and deployed on the AWS cloud platform for seamless accessibility. The application has the capability to collect polygons and polylines based on geographic coordinates system in real time. The developed application is native, using JAVA programming language and is freely available for Android users. Powered by Google APIs, "GeoSurvey"is extensively used for ground truth data collection. Its popularity is evident in its over 10,000 downloads, 18,000 polygons drawn, and 1200 polylines created worldwide. The application has been extensively used for collection of big data related to agriculture, which is used for training deep learning models for crop classification.