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# So2Sat LCZ42 dataset

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# Authors: Xiaoxiang Zhu, Jingliang Hu, Chunping Qiu, Yilei Shi, Jian Kang, Lichao Mou,

# Hossein Bagheri, Matthias Haeberle, Yuansheng Hua, Rong Huang, Lloyd Hughes, Hao Li,

# Yao Sun, Guichen Zhang, Shiyao Han, Michael Schmitt, Yuanyuan Wang

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# Signal Processing in Earth Observation, Technical University of Munich, and

# Remote Sensing Technology Institute, German Aerospace Center.

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# This work is funded by European Research Council starting Grant:

# So2Sat: Big Data for 4D Global Urban Mapping - 10^16 Bytes from Social Media to Earth

# Observation Satellites

# Project website: http://www.so2sat.eu/

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# Team website: http://www.sipeo.bgu.tum.de/

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# Description of the files

Please extract [split].h5.gz to [split].h5 first using `gunzip [split].h5.gz`.

training.h5:	training data containing SEN1, SEN2 patches and label
sen1:	N*32*32*8
sen2:	N*32*32*10
label:	N\*17 (one-hot coding)

validation.h5:  validation data containing similar SEN1, SEN2, and label
sen1:  	M*32*32*8
sen2:  	M*32*32*10
label: 	M\*17 (one-hot coding)

testing.h5:	testing data containing only SEN1 and SEN2 patches,
sen1:  	L*32*32*8
sen2:  	L*32*32*10
label:  L\*17 (one-hot coding)



training\_geo.h5:  geolocation of the training patches

coord: coordinates of the patch center

tfw: six parameters used to generate a TFW file

epsg: epsg code, coordinate reference system of the patch



validation\_geo.h5:  geolocation of the training patches

coord: coordinates of the patch center

tfw: six parameters used to generate a TFW file

epsg: epsg code, coordinate reference system of the patch



testing\_geo.h5:  geolocation of the training patches

coord: coordinates of the patch center

tfw: six parameters used to generate a TFW file

epsg: epsg code, coordinate reference system of the patch



read\_file.py:	a demo python script to read in the files, and visualize a pair of patches
Required python packages: h5py, numpy, and matplotlib.



# Description of the content of sen1

Sentinel-1 data bands (the 4th dimension of data):
1st band: Real part of original VH complex signal
2nd band: Imaginary part of original VH complex signal
3rd band: Real part of original VV complex signal
4th band: Imaginary part of original VV complex signal
5th band: Intensity of lee filtered VH signal
6th band: Intensity of lee filtered VV signal
7th band: Real part of lee filtered PolSAR covariance matrix off-diagonal element
8th band: Imaginary part of lee filtered PolSAR covariance matrix off-diagonal element

Pixel size: 10m by 10m



# Description of the content of sen2

Sentinel-2 data bands (the 4th dimension of data):
1st band: B2
2nd band: B3
3rd band: B4
4th band: B5
5th band: B6
6th band: B7
7th band: B8
8th band: B8A
9th band: B11 SWIR
10th band: B12 SWIR

Pixel size: 10m by 10m

Details about the bands can be found: https://sentinels.copernicus.eu/web/sentinel/user-guides/sentinel-2-msi/overview