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week12 all but seminar slides
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week12/Autoencoder_structure.png

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week12/GS.py

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import lasagne
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import theano.tensor as T
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from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams
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class GaussianSampleLayer(lasagne.layers.MergeLayer):
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def __init__(self, mu, logsigma, **kwargs):
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self.rng = RandomStreams(lasagne.random.get_rng().randint(1,2147462579))
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super(GaussianSampleLayer, self).__init__([mu, logsigma], **kwargs)
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def get_output_shape_for(self, input_shapes):
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return input_shapes[0]
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def get_output_for(self, inputs, deterministic=False, **kwargs):
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mu, logsigma = inputs
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shape=(self.input_shapes[0][0] or inputs[0].shape[0],
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self.input_shapes[0][1] or inputs[0].shape[1])
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if deterministic:
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return mu
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return mu + T.exp(logsigma) * self.rng.normal(shape)

week12/VAE_homework.ipynb

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week12/__init__.py

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week12/lecture12.odp

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week12/lecture12.pdf

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week12/linear.png

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