Photointerpretation of LANDSAT TM imagery to create a Land Use/Cover Map, for the Hellenic Statistical Authority, 2001, HEMCO



Hellenic Mapping and Cadastral Organization (H.E.M.C.O.)

Time Frame:

05/2001 – 08/2001


Small scale (1:100.000) Land Use / Land Cover mapping using satellite data for the Regions of Attica, Sterea Ellas & Euboea, Thessaly and Epirus.
Design and Implementation of a sampling scheme and definition of the ground data collection sample. Generation of the photo interpretation keys. Implementation and realization of comparative photo interpretation to assess limits and areas for 16 ‘generalized’ CLC categories.
Photo interpretation precision check.
Statistical evaluation of the precision of the photo interpretation on a Prefecture level. Map composition and printing of thematic maps and attribute tables (land cover/use areas) on a regional and prefectural level.



  • User Requirements Analysis
  • Design and implementation of the Land Cover / Land Use nomenclature
  • Design and implementation of GIS - RDBMS Systems
  • Collection and pre-processing of Geo-data 
  • Pre-processing and digitization of cartographic data
  • Map composition & printing