wingbeats

## based on https://github.com/jacobgil/keras-grad-cam
## and on https://github.com/vense/keras-grad-cam/blob/master/grad-cam.py

import keras
from keras.layers import Input
from keras.layers import BatchNormalization
from keras.layers import Conv2D
from keras.layers import Activation
from keras.layers import MaxPooling2D
from keras.layers import GlobalAveragePooling2D