Customer: Centre National d’Etudes Spatiales (CNES)

Programme: R&T

Supply Chain: CNES > CS Group SPACE

Context

CS Group responsabilities for Validation of level 2 Theia products are as follows:

• Validation

The features are as follows:

• Validation of AOT :
• Data processing Spot 5 / Take 5 / Comparison with Spot4 Take 5
• Analysis of results by Aeronet site: identification of the most reliable sites Detection of anomalies on time series :
• Treatment of 4 temporal series: Toulouse, Beijing, Moroccan desert, Australia
• Sensitivity study: Analysis of anomalies detections as a function of configuration and type of anomaly
• Development of graphic analysis tools
• Proposal for algorithmic improvements

Project implementation

The project objectives are as follows:

• Validate / configure 2 tools: validation of AOT & detection of anomalies on time series

The processes for carrying out the project are:

• Validation, analysis, points on regular advances, reports

Technical characteristics

The solution key points are as follows:

• Incommensurate

The main technologies used in this project are:

Domain	Technology(ies)
Programming language(s)	Python
Main COTS library(ies)	THEIA