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Deep Learning for Remote Sensing Images with Open Source Software
book

Deep Learning for Remote Sensing Images with Open Source Software

by Rémi Cresson
July 2020
Intermediate to advanced
164 pages
3h 16m
English
CRC Press
Content preview from Deep Learning for Remote Sensing Images with Open Source Software

16

 

Pre-processing

 

The Sentinel-1 and Sentinel-2 images should now be downloaded and ready to use. We will proceed to the creation of a dataset that can be used (i) to train the model described in section 14.3, and also (ii) to evaluate its performance in terms of root mean squared error.

 

16.1  Sentinel images

The Sentinel-1 image has 16 bits signed encoding and the Sentinel-2 images have 16 bits unsigned encoding, i.e. integer numbers. We need to normalize the pixels to have absolute values inside the [0, 1] range. As in sections 5.1, 8.3 and 12.12 we use the BandMathX application of the Orfeo ToolBox to perform the band concatenation and the normalization of values.

16.1.1  Optical images

We process only the 10-m-resolution bands, ...

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Publisher Resources

ISBN: 9781000093612