This is a test about learning tensorflow.
Need : python3.5,tensorflow,opencv3.x,pil(pillow),usb camera.
"cnn_mnist_train.py" train mnist.
"mnist_test_opencv.py" test mnist with opencv.
"mnist_test_pil.py" test mnist with pil.
"mnist_test_camera.py" test the image captured by usb camera.
test result:
