Satellite images and clouds

Satellite images and clouds

Sentinel 2 images often contain some clouds, with mathematical processing it is possible to correct cirrus effect, but it is impossible to see through thick clouds. The objective is to detect them to avoid inaccurate results. Logically one should be able to detect the...
WASDE Report analysis

WASDE Report analysis

Each month USDA publishes the WASDE report which gives projections about commodities demand and supply. All the commodities traders have their own “robot software” to check as soon as published the trend of USDA report. One of the major data watched is the...
2016 Sentinel 2 images over France

2016 Sentinel 2 images over France

The satellite images user is mainly interested about cloud cover because it is one the major problem to deal with. I wrote a very small and simple program to analyse all the images from Sentinel 2A over France during 2016. It took  around 15 hours to check all the...
Raster statistical analysis

Raster statistical analysis

Most of the time, vegetation intra field variability is due to soil heterogeneity, in some cases, it can be due to different agricultural practices or tillage time. This is the case in that rapeseed field, sown on two different dates, as explained in a previous post....
Vegetation indices

Vegetation indices

Vegetation indices are formulas to transform remote sensing wavelength bands to enhance vegetation properties (Leaf area index, biomass, chlorophyll content, water content). The advantage of these indices is that they are very easy to use and very low computer time...