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First ML step: supervised learning #8

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rabernat opened this issue Jan 15, 2021 · 1 comment
Open

First ML step: supervised learning #8

rabernat opened this issue Jan 15, 2021 · 1 comment

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@rabernat
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Train NN to label RCLVs based on LAVD field using the existing algorithm as a training dataset.

@rabernat
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Here is the very simple NN we coded up today in our meeting. This is NOT what you want to use, but it will get you started

from tensorflow import keras
keras.backend.set_image_data_format('channels_last')

model_size = 512
nchannels = 1

input_layer = keras.Input(shape=(model_size, model_size, nchannels))
conv_layer0 = keras.layers.Conv2D(10, 2, activation='relu')(input_layer)
conv_layer1 = keras.layers.Conv2D(10, 2, activation='relu')(conv_layer0)
conv_layer2 = keras.layers.Conv2D(10, 2, activation='relu')(conv_layer1)
sum_layer = keras.layers.Conv2D(1, 1, activation='softmax')(conv_layer2)

# todo: add "residual blocks", skip connections

model = keras.Model(inputs=input_layer, outputs=sum_layer)

optimizer = keras.optimizers.Adam()

# probably want to use cross entropy for loss
model.compile(loss='mse', optimizer=optimizer)
model.summary()

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