Python program to download images from www.image-net.org
sample commands that you can try: (make sure you are in same directory in terminal as the .py and .json files for these commands to run)
Download 20 images of Persian cats: python Imagenet_Downloader.py --subclass_list "Persian cat" --main_class "cat" --data_root "./" --imagenet_info_json "./imagenet_class_info.json" --images_per_subclass 20
Download 20 images of hunting dog and shepherd dog each: python Imagenet_Downloader.py --subclass_list "hunting dog" "shepherd dog" --main_class "dog" --data_root "./" --imagenet_info_json "./imagenet_class_info.json" --images_per_subclass 20