by Xavier Bailleau | Apr 19, 2023 | Model & Remote Sensing, Non classé
INTRODUCTION L’utilisation des satellites d’observation de la terre pour analyser les cultures sur un territoire est devenue quotidienne pour les agriculteurs et les agronomes. Pour les agriculteurs afin de gérer leurs cultures au mieux en pilotant la...
by Xavier Bailleau | Feb 10, 2022 | Non classé
NIR/G/B Composite image 07/02/2021 Nogent le Rotrou Eure et Loir 28 Sen2cor Cloud mask 07/02/2021 Green:Cloud Shadow Blue:clouds NIR/G/B composite Same place 09/02/2022 Cloud mask Sen2cor:09/02/2021 blue is class 5 Not vegetaded and shadows are not detected Area of...
by Xavier Bailleau | Jan 23, 2022 | Non classé
Fields panel sample: Aerial biomass Red lower values, green higher values on 2022-01-15 Frequential analysis of the 745 fields Aerial biomass kgs/m² horizontal axis and density (%) vetical axis 2022-01-15 Field with the maximum biomass level from the panel: 3.14kgs/m²...
by Xavier Bailleau | Jan 7, 2022 | Model & Remote Sensing, Non classé
Sentinel 2 de l’ESA est sujet aux nuages lors de la production d’images, il est important de générer un masque de nuages afin d’éviter les erreurs de calculs lors des traitements. Cet article est écrit pour mettre en évidence les quelques défauts de...
by Xavier Bailleau | Jan 7, 2022 | Model & Remote Sensing, Non classé
Sentinel 2 from ESA satellite is sensitive to clouds when producing images. It is important to generate a cloud mask layer to avoid bad calculations during image processings. This post is written to highlight the some delaults of cloud mask algorithm from ESA...
by Xavier Bailleau | Jan 3, 2022 | Non classé
In Eure et loir, the colza as every year suffered in some areas from the lack of water for a proper emergence, from 10/08 to 5/09 it did not fall water, the colza sown between 10 and 20/08 are doing better because they take advantage of the freshness still present in...