FETEX 2.0 is a feature extraction software tool for object-based image analysis, and it is designed to work with land use/land cover databases in order to help in the process of classification of the existing parcels, or also to determine the changes that have occurred in a database comparing the current classified image with the old database. It has been applied in the feature extraction phase in several updating land use/land cover cartography processes.
Documentation :
In the following documents you will find a thorough description of the software, the type of variables that can be computed, the interface and an application example. The first is available through Elsevier: The second contains a brief description of the software in Spanish and can be downloaded directly.
Ruiz, L.A., Recio, J.A., Fernández-Sarría, A., Hermosilla, T., 2011. A feature extraction software tool for agricultural object-based image analysis. Computers and Electronics in Agriculture 76 (2), 284-296.
Description document in spanish (pdf)
Setup instructions:
- Download the "fetex2.rar" file. A sample dataset is also included for testing purposes.
- Unrar "fetex2.rar" and move "fetex2.sav" file into the saveadd directory (c:\RSI\IDLxx\products\ENVIxx\save_add\ or c:\Program Files\ITT\IDLxx\products\envixx\save_add\, depending on the ENVI version).
- Run ENVI + IDL (ENVI 4.2 or superior).
- In the Command Input bar write "fetex2" and press enter.
- Load the imagery and the shapefiles, choose the descriptive features, the output files, select the methodological parameters and start processing.
Note: This demo version of FETEX 2.0 is limited to 1,000 objects. For any doubt or further information, please contact to txohergo@topo.upv.es or laruiz@cgf.upv.es.