Introduction
About & Disclaimer
Contents
1. Main characteristics of optical satellites
1.1. Remote sensing, Earth observation and GIS
1.2. Satellites for Earth observation
1.2.1. Satellite orbits and revisit time
1.2.2. Digital images and the EM spectrum
1.2.3. Spectral characteristics
1.2.4. Spatial resolution and area coverage
1.3. Copernicus and the Sentinels
1.3.1. The Copernicus programme
1.3.2. Multispectral Sentinel satellites
2. Principles of image analysis
2.1. The spectral signature
2.1.1. What is a spectral signature
2.1.2. Land cover vs land use
2.1.3. Spectral signatures of the main macro land cover classes
2.1.4. How to measure spectral signatures with satellites
2.1.5. How to compare spectral signatures
2.2. Spectral indices for environmental monitoring
2.2.1. What is a spectral index
2.2.2. How spectral indices are designed
2.3. Automatic land cover mapping
2.3.1. Supervised image classification
2.3.2. Classification strategies
3. Free and open Copernicus satellite images
3.1. Sentinel Hub EO Browser
3.1.1. How to select the correct products with Sentinel Hub EO Browser
3.1.2. How to view the satellite images with Sentinel Hub EO Browser
3.1.3. How to download the data with Sentinel Hub EO Browser
3.2. Some alternative repositories
Supplementary materials
Map validation
Precision or accuracy?
How much is accurate a map?
Examples
Info
The author
v.
PhD Copernicus Uptake
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v.
v.
ΒΆ
29.03.2021_10:08