pre-processing image data for deepsolar

img_preproc.sh

# download french dataset and unzip in data directory
# sub dir structure: data/bdappv-france/bdappv/[ign,google]/[img,mask]
mkdir bdappv-france
unzip bdappv.zip

# checkout retrain_pytorch github branch
git checkout retrain_pytorch
git pull

# create "dummy" data sub-directory for testing
# sub dir structure: data/dummy/val/[0,1]
mkdir dummy && cd dummy
mkdir val && cd val
mkdir 0 && mkdir 1

# drop files_to_copy.csv into data directory
scp -i ~/.ssh/cs224n.pem files_to_copy.csv [email protected]:files_to_copy.csv
mv files_to_copy.csv deepsolar/data/files_to_copy.csv

# convert file list csv to txt file
cat files_to_copy.csv | tr  ',' '\n' > files_to_copy.txt

# copy out image files specified by file list
# run the following bash script from the data directory
mkdir bar && bash copy_out.sh < files_to_copy.txt  # dumps images into tmp bar/ folder

# move images to target directory we will use for testing
mv bar dummy/val/1

# (optional) repeat for mask files if not already included
# note, to re-create list with updated path can use string_surgery.py
# helper script which outputs files_to_copy_updated.txt
python string_surgery.py files_to_copy.txt --change_str 'mask' --change_idx 8 
bash copy_out.sh files_to_copy_updated.txt
bash rename_files.sh 
cp -r bar/. dummy/val/1
rm -rf bar

# (optional) copy across N files from dir a to b
cp $(ls | head -n N) path/to/b

# (optional) diff between files prepend path
grep -Fxvf file1 file2
awk '{print "prefix" $0}' file

# run testing deepsolar script
# note, first change directory config in .py file
# to match new target directory @ data/dummy/val 
cd ~/deepsolar/src/
python train_segmentation_pytorch.py