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#!/bin/bash
# https://gist.github.com/BIGBALLON/8a71d225eff18d88e469e6ea9b39cef4
cd /mnt/store/wbandar1/datasets
wget https://image-net.org/data/ILSVRC/2012/ILSVRC2012_img_train.tar --no-check-certificate
wget https://image-net.org/data/ILSVRC/2012/ILSVRC2012_img_val.tar --no-check-certificate
#
# script to extract ImageNet dataset
# ILSVRC2012_img_train.tar (about 138 GB)
# ILSVRC2012_img_val.tar (about 6.3 GB)
# make sure ILSVRC2012_img_train.tar & ILSVRC2012_img_val.tar in your current directory
#
# https://github.com/facebook/fb.resnet.torch/blob/master/INSTALL.md
#
# train/
# ├── n01440764
# │ ├── n01440764_10026.JPEG
# │ ├── n01440764_10027.JPEG
# │ ├── ......
# ├── ......
# val/
# ├── n01440764
# │ ├── ILSVRC2012_val_00000293.JPEG
# │ ├── ILSVRC2012_val_00002138.JPEG
# │ ├── ......
# ├── ......
#
#
# Extract the training data:
#
mkdir train && mv ILSVRC2012_img_train.tar train/ && cd train
tar -xvf ILSVRC2012_img_train.tar && rm -f ILSVRC2012_img_train.tar
find . -name "*.tar" | while read NAME ; do mkdir -p "${NAME%.tar}"; tar -xvf "${NAME}" -C "${NAME%.tar}"; rm -f "${NAME}"; done
cd ..
#
# Extract the validation data and move images to subfolders:
#
mkdir val && mv ILSVRC2012_img_val.tar val/ && cd val && tar -xvf ILSVRC2012_img_val.tar
wget -qO- https://raw.githubusercontent.com/soumith/imagenetloader.torch/master/valprep.sh | bash
#
# Check total files after extract
#
# $ find train/ -name "*.JPEG" | wc -l
# 1281167
# $ find val/ -name "*.JPEG" | wc -l
# 50000
# |