Context

IOTA² is a land-use map production line for large areas based on time series of Sentinel or Landsat images developped for CNES / CESBIO. In order to facilitate methodological contributions, IOTA² is open-source. As such, the channel makes extensive use of the image processing applications provided by Orfeo ToolBox.

CS Group responsabilities for Iota² - Infrastructure for land use by automatic processing are as follows:

Maintenance and evolution of the IOTA² chain in order to meet the needs of land use map production
User support

Main Picture

The features are as follows:

Use of sensors of different types (optical/radar) to obtain better quality classifications
Users can provide exogenous data as well as primitive data
Possibility of spatially delineating learning zones
Automatic calculation of primitives allowing the help to determine the label
Merging classifications
Automatic generation of coefficients allowing the evaluation of the quality of the classification
Division into stages of the chain allows it to be launched only on very specific stages

Project implementation

The project objectives are as follows:

IOTA² - land-use map production line for large areas based on time series of Sentinel or Landsat images
Annual production of a national land use map
Testing new algorithms over large areas

The processes for carrying out the project are:

Software V-Model

Technical characteristics

The solution key points are as follows:

Automatic installation with its dependencies
Combined use of Orfeo ToolBox multi-threading and MPI speeds up calculations
Understanding of different N2A product formats (THEIA + PEPS) to be able to classify as many geographical areas as possible

The main technologies used in this project are:

Domain	Technology(ies)
Operating System(s)	Unix, Linux Ubuntu, CentOS
Programming language(s)	Python, C++
Production software (IDE, DEVOPS etc.)	GCC 4.8
Main COTS library(ies)	OTB, GDAL, Qgis