Parcel-level cropland maps are an essential data source for crop and water productivity and many other agronomy applications. The segmentation technique is used to delineate land parcel boundaries of cultivated areas, and to select suitable sampling locations for field data collection in Fezzan, Libya. eCognition Developer was used to performing the segmentation of the Landsat 8 imagery (at 30 m) and NDVI composite of years 2010, 2015, and 2021.