Development of routines for the assessment of the geometric quality of Landsat and Spot data at INPE's ground receiving station.

 Design (co-author) of the image registration module of SITIM - INPE's image processing system for PCs running DOS.

 Development of routines for geometric and map projection transformations of SGI - INPE's geographic information system for PCs running DOS.

 Development of a methodology for map revision using Landsat and Spot data in a geographic information system environment.

 Development (co-author) of a methodology for the creation of a deforestation database of the Brazilian Amazon using Landsat data in a geographic information system environment.

 Design (co-author) of map projection facilities and map projection conversion modules of SPRING - INPE's integrated image processing and geographic information system for LINUX and WINDOWS.

 Design of the line simplification module of SPRING - INPE's integrated image processing and geographic information system for LINUX and WINDOWS.

 Development (co-author) of routines for the assessment of the geometric quality of CBERS data at INPE's ground receiving station.