Exemplo n.º 1
0
    def test_outputShapes(self):
        network = DescriminatorNet(DEFAULT_CONFIG)
        preds = network(self.X)
        self.assertEqual(preds.logits.shape, (20, 1))
        self.assertEqual(preds.logprob.shape, (20, 1))
        self.assertEqual(preds.prob.shape, (20, 1))
        self.assertEqual(preds.entropy.shape, (20, 1))

        preds_with_y = network(self.X, False, self.y)
        self.assertEqual(preds_with_y.logits.shape, (20, 1))
        self.assertEqual(preds_with_y.logprob.shape, (20, 1))
        self.assertEqual(preds_with_y.prob.shape, (20, 1))
        self.assertEqual(preds_with_y.entropy.shape, (20, 1))
Exemplo n.º 2
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    def test_no_nans_for_simple_inputs(self):
        network = DescriminatorNet(DEFAULT_CONFIG)
        preds = network(self.X)
        # No Nans
        self.assertEqual(np.count_nonzero(np.isnan(preds.logits)), 0)
        self.assertEqual(np.count_nonzero(np.isnan(preds.logprob)), 0)
        self.assertEqual(np.count_nonzero(np.isnan(preds.prob)), 0)
        self.assertEqual(np.count_nonzero(np.isnan(preds.entropy)), 0)

        preds_with_y = network(self.X, False, self.y)
        self.assertEqual(np.count_nonzero(np.isnan(preds_with_y.logits)), 0)
        self.assertEqual(np.count_nonzero(np.isnan(preds_with_y.logprob)), 0)
        self.assertEqual(np.count_nonzero(np.isnan(preds_with_y.prob)), 0)
        self.assertEqual(np.count_nonzero(np.isnan(preds_with_y.entropy)), 0)
Exemplo n.º 3
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    def test_probs_between_0_and_1(self):
        network = DescriminatorNet(DEFAULT_CONFIG)
        preds = network(self.X)
        # No Nans
        self.assertEqual(tf.reduce_sum(tf.cast((preds.prob < 0.0), "float32")),
                         0)
        self.assertEqual(tf.reduce_sum(tf.cast((preds.prob > 1.0), "float32")),
                         0)
        self.assertEqual(
            tf.reduce_sum(tf.cast((preds.logprob > 1.0), "float32")), 0)

        preds_with_y = network(self.X, False, self.y)
        self.assertEqual(
            tf.reduce_sum(tf.cast((preds_with_y.prob < 0.0), "float32")), 0)
        self.assertEqual(
            tf.reduce_sum(tf.cast((preds_with_y.prob > 1.0), "float32")), 0)
        self.assertEqual(
            tf.reduce_sum(tf.cast((preds_with_y.logprob > 1.0), "float32")), 0)
Exemplo n.º 4
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    def __init__(self,
                 config: GanNet.Config,
                 fake_getter=None,
                 real_getter=None,
                 **kwargs):
        super().__init__(**kwargs)
        self.descriminator = DescriminatorNet(config.descriminator)
        self.generatornet = config.generator.get_generatornet_type()(
            config.generator)
        self.fake_getter = (fake_getter if fake_getter else
                            config.generator.get_fake_output_getter()())
        self.real_getter = (real_getter if real_getter else
                            config.generator.get_real_output_getter()())

        self.gan_generative = GanGenerativeNet(self.descriminator,
                                               self.generatornet,
                                               self.fake_getter)
        self.gan_descriminative = GanDescriminativeNet(
            self.descriminator,
            self.generatornet,
            self.fake_getter,
            self.real_getter,
        )
Exemplo n.º 5
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from deeper.models.adversarial_autoencoder.network import (
    AdversarialAuoencoderNet, )
from deeper.models.adversarial_autoencoder.network_loss import (
    AdverasrialAutoencoderLossNet, )

N_ROWS = 25
DIM_REG = 10
DIM_BOOL = 15
DIM_ORD = (5, )
DIM_CAT = (10, 8)
DIM_X = DIM_REG + DIM_BOOL + sum(DIM_ORD) + sum(DIM_CAT)
EMB_DIM = 10
LAT_DIM = 5
NCATS = 5

desciminatorConfig = DescriminatorNet.Config(embedding_dimensions=[EMB_DIM])

vaeConfig = VaeNet.Config(
    input_dimensions=MultipleObjectiveDimensions(
        regression=DIM_REG,
        boolean=DIM_BOOL,
        ordinal=DIM_ORD,
        categorical=DIM_CAT,
    ),
    output_dimensions=MultipleObjectiveDimensions(
        regression=DIM_REG,
        boolean=DIM_BOOL,
        ordinal=DIM_ORD,
        categorical=DIM_CAT,
    ),
    encoder_embedding_dimensions=[EMB_DIM],
Exemplo n.º 6
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X_test = (X_test > 0.5).astype(float)

#%% Filter to a single label
if False:
    LABEL = 9
    X_train_og = X_train_og[y_train == LABEL]
    X_test_og = X_test_og[y_test == LABEL]

    X_train = X_train[y_train == LABEL]
    X_test = X_test[y_test == LABEL]

#%% Instantiate the model
BATCH_SIZE = 12
desciminatorConfig = DescriminatorNet.Config(
    embedding_dimensions=[24, 16, 12, 8],
    activation=tf.keras.layers.Activation("relu"),
    # embedding_dropout=0.25,
    # bn_before=True,
)
vaeConfig = StackedGmvae.Config(
    components=20,
    cat_embedding_dimensions=[512, 512, 256, 128, 64],
    input_dimensions=MultipleObjectiveDimensions(
        regression=0,
        boolean=X_train.shape[-1],
        ordinal=(0, ),
        categorical=(0, ),
    ),
    output_dimensions=MultipleObjectiveDimensions(
        regression=0,
        boolean=X_train.shape[-1],
        ordinal=(0, ),
Exemplo n.º 7
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import tensorflow as tf

import pytest
import unittest
import numpy as np
import os

from deeper.models.gan.descriminator import DescriminatorNet

DEFAULT_CONFIG = DescriminatorNet.Config(embedding_dimensions=[20, 15], )


class TestDescriminatorNet(unittest.TestCase):
    def setUp(self):
        self.X = np.random.random((20, 25))
        self.y = (np.random.random((20, 1)) > 0.5).astype("float32")

    def test_outputShapes(self):
        network = DescriminatorNet(DEFAULT_CONFIG)
        preds = network(self.X)
        self.assertEqual(preds.logits.shape, (20, 1))
        self.assertEqual(preds.logprob.shape, (20, 1))
        self.assertEqual(preds.prob.shape, (20, 1))
        self.assertEqual(preds.entropy.shape, (20, 1))

        preds_with_y = network(self.X, False, self.y)
        self.assertEqual(preds_with_y.logits.shape, (20, 1))
        self.assertEqual(preds_with_y.logprob.shape, (20, 1))
        self.assertEqual(preds_with_y.prob.shape, (20, 1))
        self.assertEqual(preds_with_y.entropy.shape, (20, 1))