From 35210a044d046a69a6869c53022ed7c95236f382 Mon Sep 17 00:00:00 2001 From: gx_wind Date: Sat, 6 Jan 2018 17:35:41 +0800 Subject: [PATCH] delete unused files --- .../advbox/tutorials/tutorial_model.py | 32 ----- adversarial/mnist_fgsm.py | 113 ------------------ 2 files changed, 145 deletions(-) delete mode 100644 adversarial/advbox/tutorials/tutorial_model.py delete mode 100644 adversarial/mnist_fgsm.py diff --git a/adversarial/advbox/tutorials/tutorial_model.py b/adversarial/advbox/tutorials/tutorial_model.py deleted file mode 100644 index 425f09a0569..00000000000 --- a/adversarial/advbox/tutorials/tutorial_model.py +++ /dev/null @@ -1,32 +0,0 @@ -################################################################################ -# -# Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved -# -################################################################################ -""" - -A pure Paddlepaddle implementation of a neural network. - -""" - -from __future__ import absolute_import -from __future__ import division -from __future__ import print_function -from __future__ import unicode_literals - -import paddle.v2 as paddle -import paddle.v2.fluid as fluid -from advbox import Model - -def main(): - """ - example main function - """ - model_dir = "./mnist_model" - place = fluid.CPUPlace() - exe = fluid.Executor(place) - program, feed_var_names, fetch_vars = fluid.io.load_inferfence_model(model_dir, exe) - print(program) - -if __name__ == "__main__": - main() diff --git a/adversarial/mnist_fgsm.py b/adversarial/mnist_fgsm.py deleted file mode 100644 index 187f37b82ef..00000000000 --- a/adversarial/mnist_fgsm.py +++ /dev/null @@ -1,113 +0,0 @@ -""" -This attack was originally implemented by Goodfellow et al. (2015) with the -infinity norm (and is known as the "Fast Gradient Sign Method"). This is therefore called -the Fast Gradient Method. -Paper link: https://arxiv.org/abs/1412.6572 -""" - -import numpy as np -import paddle.v2 as paddle -import paddle.v2.fluid as fluid - -BATCH_SIZE = 50 -PASS_NUM = 1 -EPS = 0.3 -CLIP_MIN = -1 -CLIP_MAX = 1 -PASS_NUM = 1 - -def mnist_cnn_model(img): - """ - Mnist cnn model - - Args: - img(Varaible): the input image to be recognized - - Returns: - Variable: the label prediction - """ - #conv1 = fluid.nets.conv2d() - conv_pool_1 = fluid.nets.simple_img_conv_pool( - input=img, - num_filters=20, - filter_size=5, - pool_size=2, - pool_stride=2, - act='relu') - - conv_pool_2 = fluid.nets.simple_img_conv_pool( - input=conv_pool_1, - num_filters=50, - filter_size=5, - pool_size=2, - pool_stride=2, - act='relu') - - logits = fluid.layers.fc( - input=conv_pool_2, - size=10, - act='softmax') - return logits - - -def main(): - """ - Generate adverserial example and evaluate accuracy on mnist using FGSM - """ - - images = fluid.layers.data(name='pixel', shape=[1, 28, 28], dtype='float32') - # The gradient should flow - images.stop_gradient = False - label = fluid.layers.data(name='label', shape=[1], dtype='int64') - - predict = mnist_cnn_model(images) - cost = fluid.layers.cross_entropy(input=predict, label=label) - avg_cost = fluid.layers.mean(x=cost) - - # Cal gradient of input - params_grads = fluid.backward.append_backward_ops(avg_cost, parameter_list=['pixel']) - # data batch - train_reader = paddle.batch( - paddle.reader.shuffle( - paddle.dataset.mnist.train(), buf_size=500), - batch_size=BATCH_SIZE) - - accuracy = fluid.evaluator.Accuracy(input=predict, label=label) - place = fluid.CPUPlace() - exe = fluid.Executor(place) - accuracy.reset(exe) - #exe.run(fluid.default_startup_program()) - feeder = fluid.DataFeeder(feed_list=[images, label], place=place) - for pass_id in range(PASS_NUM): - fluid.io.load_params(exe, "./mnist/", main_program=fluid.default_main_program()) - for data in train_reader(): - # cal gradient and eval accuracy - ps, acc = exe.run( - fluid.default_main_program(), - feed=feeder.feed(data), - fetch_list=[params_grads[0][1]]+accuracy.metrics) - labels = [] - for idx, _ in enumerate(data): - labels.append(data[idx][1]) - # generate adversarial example - batch_num = ps.shape[0] - new_data = [] - for i in range(batch_num): - adv_img = np.reshape(data[0][0], (1, 28, 28)) + EPS * np.sign(ps[i]) - adv_img = np.clip(adv_img, CLIP_MIN, CLIP_MAX) - #adv_imgs.append(adv_img) - t = (adv_img, data[0][1]) - new_data.append(t) - - # predict label - predict_label, = exe.run( - fluid.default_main_program(), - feed=feeder.feed(new_data), - fetch_list=[predict]) - adv_labels = np.argmax(predict_label, axis=1) - batch_accuracy = np.mean(np.equal(labels, adv_labels)) - print "pass_id=" + str(pass_id) + " acc=" + str(acc)+ " adv_acc=" + str(batch_accuracy) - - -if __name__ == "__main__": - main() -- GitLab