pip install google_images_download
googleimagesdownload -k "xxx cat"
python retrain.py \
--bottleneck_dir=bottlenecks \
--how_many_training_steps=100 \
--model_dir=inception \
--summaries_dir=training_summaries/basic \
--output_graph=retrained_graph.pb \
--output_labels=retrained_labels.txt \
--image_dir=gakusyu_data