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import tensorflow as tf | |
from tensorflow import keras | |
class GradientReversal(keras.layers.Layer): | |
"""Flip the sign of gradient during training. | |
based on https://github.com/michetonu/gradient_reversal_keras_tf | |
ported to tf 2.x | |
""" | |
def __init__(self, λ=1, **kwargs): |
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#!/bin/bash | |
# | |
# script to extract ImageNet dataset | |
# ILSVRC2012_img_train.tar (about 138 GB) | |
# ILSVRC2012_img_val.tar (about 6.3 GB) | |
# make sure ILSVRC2012_img_train.tar & ILSVRC2012_img_val.tar in your current directory | |
# | |
# https://github.com/facebook/fb.resnet.torch/blob/master/INSTALL.md | |
# | |
# train/ |
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#! /usr/bin/env python | |
# -*- coding: utf-8 -*- | |
# vim:fenc=utf-8 | |
# | |
# Copyright © 2019 Pi-Yueh Chuang <[email protected]> | |
# | |
# Distributed under terms of the MIT license. | |
"""An example of using tfp.optimizer.lbfgs_minimize to optimize a TensorFlow model. |
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#!/bin/bash | |
# | |
# script to extract ImageNet dataset | |
# ILSVRC2012_img_train.tar (about 138 GB) | |
# ILSVRC2012_img_val.tar (about 6.3 GB) | |
# make sure ILSVRC2012_img_train.tar & ILSVRC2012_img_val.tar in your current directory | |
# | |
# https://github.com/facebook/fb.resnet.torch/blob/master/INSTALL.md | |
# | |
# train/ |
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from IPython.lib.display import Audio | |
import numpy as np | |
framerate = 4410 | |
play_time_seconds = 3 | |
t = np.linspace(0, play_time_seconds, framerate*play_time_seconds) | |
audio_data = np.sin(2*np.pi*300*t) + np.sin(2*np.pi*240*t) | |
Audio(audio_data, rate=framerate, autoplay=True) |
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""" | |
An implementation of the `Local reparameterization trick` | |
from Kingma & Wellings and | |
Bayesian RNN | |
from Fortunato, Blundell & Vinyals | |
""" | |
import os | |
import time | |
import copy | |
from os.path import join as pjoin |
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n02119789 1 kit_fox | |
n02100735 2 English_setter | |
n02110185 3 Siberian_husky | |
n02096294 4 Australian_terrier | |
n02102040 5 English_springer | |
n02066245 6 grey_whale | |
n02509815 7 lesser_panda | |
n02124075 8 Egyptian_cat | |
n02417914 9 ibex | |
n02123394 10 Persian_cat |
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{0: 'tench, Tinca tinca', | |
1: 'goldfish, Carassius auratus', | |
2: 'great white shark, white shark, man-eater, man-eating shark, Carcharodon carcharias', | |
3: 'tiger shark, Galeocerdo cuvieri', | |
4: 'hammerhead, hammerhead shark', | |
5: 'electric ray, crampfish, numbfish, torpedo', | |
6: 'stingray', | |
7: 'cock', | |
8: 'hen', | |
9: 'ostrich, Struthio camelus', |
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# From http://stackoverflow.com/a/11158224 | |
# Solution A - If the script importing the module is in a package | |
from .. import mymodule | |
# Solution B - If the script importing the module is not in a package | |
import os,sys,inspect | |
current_dir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))) | |
parent_dir = os.path.dirname(current_dir) | |
sys.path.insert(0, parent_dir) |