Motivação : sociedade brasileira de pneumologia não permite identificar pneumonia apenas na clinica. É necessário o exame de raio-x
Desafio Kaggle : https://www.kaggle.com/paultimothymooney/chest-xray-pneumonia
codigo base : https://towardsdatascience.com/image-classification-python-keras-tutorial-kaggle-challenge-45a6332a58b8
gpu : https://stackoverflow.com/questions/45662253/can-i-run-keras-model-on-gpu
pip install pillow => to install pil