# Preprocessing DET(Object detection) | |
Large Scale Visual Recognition Challenge 2015 (ILSVRC2015) | |
### Download dataset (49GB) | |
````shell | |
wget http://image-net.org/image/ILSVRC2015/ILSVRC2015_DET.tar.gz | |
tar -xzvf ./ILSVRC2015_DET.tar.gz | |
```` | |
### Crop & Generate data info (10 min) | |
````shell | |
#python par_crop.py [crop_size] [num_threads] | |
python par_crop.py 511 12 | |
python gen_json.py | |
```` | |