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Author SHA1 Message Date
Jake Miller 14eece1b52 Evaluator can be stopped early and output results
Callback object contains intermediate results from evaluator function and
will output results if user sends a keyboard interrupt.
2019-04-30 12:41:00 -04:00
Jake Miller 4ac2f8a108 Changed dependency mgmt from setup.py to pip 2019-04-30 12:17:18 -04:00
Jake Miller 6ff06d3031 Removed matplotlib tkinter dependency 2019-04-30 11:25:10 -04:00
Dan Petro b95054b2c9 Fixed bug with predicting on single files
- Needed to properly join paths
2019-04-24 09:27:18 -07:00
Dan Petro e856d68bf6 Add support for predicting on directories
- Outputs a csv
2019-04-17 15:09:37 -07:00
Dan Petro b450c1e70a Made graphs output into a graphs/ folder 2019-04-17 13:24:56 -07:00
Dan Petro 40a8016b52 Minor code cleanup
- Removed an unused function
 - Made one private
2019-04-16 17:02:18 -07:00
Dan Petro 2b33faed53 Merge branch 'save-histograms' 2019-04-16 17:00:55 -07:00
Dan Petro 96633f3306 Code cleanups around histogram creation 2019-04-16 16:55:53 -07:00
Dan Petro de040a8f05 De-lint code 2019-04-16 15:54:46 -07:00
Dan Petro 116978b29b Added advanced image augmentation
- random minor color changes
 - random contrast change
 - brightness
 - occlusion
2019-04-16 14:58:33 -07:00
bfgstroy 7525e8a5ba Removed code artifact
For some weird reason there was a `labels =` in the Eyeballer Class
2019-04-15 14:43:23 -07:00
Dan Petro e7294b7d61 Fixed evaluate print
- Should have said "recall"
2019-04-12 16:49:30 -07:00
Dan Petro d606a12b47 Add support for "oldlooking" dataset 2019-04-12 16:45:49 -07:00
Dan Petro ecfb8f5800 Util to convert labelbox CSV to our labels.csv format 2019-04-12 16:45:18 -07:00
bfgstroy 0dbb85df89 Update model.py 2019-04-10 15:02:26 -07:00
bfgstroy ac47c41d35 Updated save_prediction_histograms()
Added function run on every call to evaluation()
2019-04-10 14:59:37 -07:00
Dan Petro 01a12b15f3 Merge pull request #25 from BishopFox/ogtony-patch-1
Update eyeballer.py
2019-04-10 13:57:43 -07:00
Dan Petro 2a94432724 Merge branch 'master' into top-best-top-worst 2019-04-10 13:56:53 -07:00
Dan Petro 041f3447c5 Fixed up top images function interface 2019-04-10 13:50:47 -07:00
Dan Petro 46d0e22e1e Fixed overall binary accuracy
- Uses sklearn's hamming loss
2019-04-10 13:20:45 -07:00
ogtony 178687e563 Update eyeballer.py
Fixing comment
2019-04-10 13:04:22 -07:00
Dan Petro 8775887aee De-lint PR 2019-04-10 13:04:08 -07:00
bfgstroy ef0d0d8880 Added save_prediction_histograms()
Added save_prediction_histograms() function
2019-04-10 12:57:41 -07:00
Dan Petro 495da62f9b Merge branch 'master' into fix-stats 2019-04-10 12:25:01 -07:00
Dan Petro 8b897adb20 Made format string output 4.2 to print decimal points
- XX.YY%
2019-04-10 10:05:33 -07:00
ogtony 94a001e16a Fixes #19
Stats were being hand calculated when sklearn has all these metrics
ready to go
2019-04-09 19:58:07 -07:00
ogtony ff52e7bd24 Looping over labels is more compact 2019-04-09 18:09:14 -07:00
ogtony 5ce24d80c5 Easier way to format strings. 2019-04-09 17:44:55 -07:00
bfgstroy 911f68f5e8 Added top 10 best and worst predicted images
Added top 10 best and worst predicted images to stats in the evaluation method.
2019-04-09 17:35:06 -07:00
Dan Petro 5b917094cc Added a helper script to reroll a new evaluation set 2019-04-08 16:45:35 -07:00
Dan Petro 0504b7d214 Renamed files so the script you "run" is eyeballer.py 2019-04-08 13:40:16 -07:00
Dan Petro aae5c70b57 Added a pretty print function to make evaluation results human readable 2019-04-08 13:24:11 -07:00
Dan Petro 5c17693f4d Add some exceptions for lint 2019-04-08 10:42:24 -07:00
Dan Petro 9e2c7e2e4e Delinted some minor issues
- Minor changes
2019-04-08 10:24:37 -07:00
Dan Petro bfe2018b1d Fixed bug where seed coulnd't be recognized as missing
- Also added back two missing metrics
2019-04-05 15:48:15 -07:00
Dan Petro aea03928e0 Merge branch 'master' into stats-to-json 2019-04-05 14:23:54 -07:00
Dan Petro ddcdf06451 Merge pull request #12 from BishopFox/refactor_out_cli
Created Cli using click.
2019-04-05 13:41:37 -07:00
ogtony ae7636b358 Stats are now generated in a saner way,
Label names come from a global configurable (likely move this to a
config file later)
Stats are outputted as a dict.
2019-04-04 16:36:57 -07:00
ogtony 45c08e0290 Created Cli using click.
If seed is unspecified on the cli, it will be randomly generated.
2019-04-04 15:12:53 -07:00
Dan Petro 2aa48b4ff5 Initial commit of utils
- Resizer script for mass resizing images
2019-04-04 12:21:17 -07:00
Dan Petro 0859d35b3a Add brightness data augmentor 2019-04-04 12:14:36 -07:00
Dan Petro 965ce47333 Fixed stupid docstrings 2019-04-03 16:08:54 -07:00
Dan Petro 2f0b3958aa Added docstrings 2019-04-03 15:28:50 -07:00
Dan Petro da60cd1844 Merge pull request #5 from BishopFox/setup-py-folder-structure
Add setup.py and folder structure
2019-04-03 14:18:41 -07:00
10 changed files with 501 additions and 289 deletions

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@@ -113,3 +113,4 @@ venv.bak/
*.model
*.csv
*.txt
!requirements.txt
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from eyeballer.eyeballer import EyeballModel # noqa: F401
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import numpy as np
from Augmentor.Operations import Operation
from keras.applications.mobilenet import preprocess_input
class EyeballerAugmentation(Operation):
def __init__(self, probability=1):
Operation.__init__(self, probability)
# Class must implement the perform_operation method
def perform_operation(self, images):
return_list = []
for image in images:
image_array = np.array(image).astype('uint8')
image_array = preprocess_input(image_array)
return_list.append(image_array)
return return_list
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@@ -1,276 +1,75 @@
#!/usr/bin/python3
#!/usr/bin/env python3
import click
import csv
import argparse
import os
import random
import time
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
from keras import regularizers
from keras.applications import MobileNet
from keras.applications.mobilenet import preprocess_input
from keras.callbacks import ModelCheckpoint
from keras.layers import Dropout, Dense
from keras.layers import GlobalAveragePooling2D
from keras.models import Model
from keras.optimizers import Adam
from keras.preprocessing import image
from keras.preprocessing.image import ImageDataGenerator
from sklearn.metrics import precision_score, recall_score
# Parse the arguments
parser = argparse.ArgumentParser(description='Give those screenshots of yours a quick eyeballing')
parser.add_argument("mode", help="Mode of operation. One of \"train\", \"predict\", or \"evaluate\".")
parser.add_argument("--weights", help="Weights file for input/output")
parser.add_argument("--batchsize", help="Batch size", default=32, type=int)
parser.add_argument("--epochs", help="Number of epochs", default=20, type=int)
parser.add_argument("--screenshot", help="File to predict")
parser.add_argument("--summary", help="Print model summary at start", action='store_true')
parser.add_argument("--graphs", help="Save accuracy and loss graphs to file", action='store_true')
parser.add_argument("--seed", help="RNG seed for data shuffling and transformations", default=0, type=int)
args = parser.parse_args()
from model import EyeballModel, DATA_LABELS
class EyeballModel:
checkpoint_file = "weights-snapshot.h5"
image_dir = "images_224x224/"
image_width, image_height = 224, 224
input_shape = (image_width, image_height, 3)
@click.group(invoke_without_command=True)
@click.option('--weights', default=None, type=click.Path(), help="Weights file for input/output")
@click.option('--summary/--no-summary', default=False, help="Print model summary at start")
@click.option('--seed', default=None, type=int, help="RNG seed for data shuffling and transformations, defaults to random value")
@click.pass_context
def cli(ctx, weights, summary, seed):
model_kwargs = {"weights_file": weights,
"print_summary": summary,
"seed": seed}
def __init__(self, print_summary=False, weights_file="weights.h5", seed=0):
# Build the model
base_model = MobileNet(weights='imagenet', include_top=False, input_shape=self.input_shape)
x = base_model.output
x = GlobalAveragePooling2D()(x)
x = Dense(256, activation="relu", name="HiddenLayer1")(x)
x = Dropout(0.5)(x)
x = Dense(128, activation="relu", name="HiddenLayer2", kernel_regularizer=regularizers.l2(0.01))(x)
x = Dropout(0.2)(x)
output_layer = Dense(3, activation="sigmoid", name="OutputLayer")(x)
self.model = Model(inputs=base_model.input, outputs=output_layer)
# for layer in base_model.layers:
# layer.trainable = False
adam = Adam(lr=0.0005)
self.model.compile(optimizer=adam, loss="binary_crossentropy", metrics=["accuracy"])
if print_summary:
print(self.model.summary())
# Pull out our labels for use in generators later
data = pd.read_csv("labels.csv")
self.training_labels = data.loc[data['evaluation'] == False]
self.evaluation_labels = data.loc[data['evaluation'] == True]
# Shuffle the training labels
self.seed = seed
print("Using seed: " + str(seed))
random.seed(self.seed)
self.training_labels = self.training_labels.sample(frac=1)
if weights_file is not None and os.path.isfile(weights_file):
self.model.load_weights(weights_file)
print("Loaded model from file.")
else:
print("No model loaded from file")
# Training
def train(self, epochs=20, batch_size=32, print_graphs=False):
print("Training with seed: " + str(self.seed))
# Data augmentation
data_generator = ImageDataGenerator(
preprocessing_function=preprocess_input,
shear_range=0.0,
zoom_range=0.2,
samplewise_center=True,
validation_split=0.2,
horizontal_flip=False)
training_generator = data_generator.flow_from_dataframe(
self.training_labels,
directory=self.image_dir,
x_col="filename",
y_col=["custom404", "login", "homepage"],
target_size=(self.image_width, self.image_height),
batch_size=batch_size,
subset='training',
shuffle=True,
seed=self.seed,
class_mode="other")
validation_generator = data_generator.flow_from_dataframe(
self.training_labels,
directory=self.image_dir,
x_col="filename",
y_col=["custom404", "login", "homepage"],
target_size=(self.image_width, self.image_height),
batch_size=batch_size,
subset='validation',
shuffle=False,
seed=self.seed,
class_mode="other")
# Model checkpoint - Saves model weights when validation accuracy improves
callbacks = [ModelCheckpoint(self.checkpoint_file, monitor='val_loss', verbose=1, save_best_only=True,
save_weights_only=True, mode='min')]
history = self.model.fit_generator(
training_generator,
steps_per_epoch=len(training_generator.filenames) // batch_size,
epochs=epochs,
validation_data=validation_generator,
validation_steps=len(validation_generator.filenames) // batch_size,
callbacks=callbacks,
verbose=1)
if print_graphs:
# Plot training & validation accuracy values
plt.plot(history.history['acc'])
plt.plot(history.history['val_acc'])
plt.title('Model accuracy')
plt.ylabel('Accuracy')
plt.xlabel('Epoch')
plt.legend(['Train', 'Validation'], loc='upper left')
plt.savefig("accuracy.png")
plt.clf()
plt.cla()
plt.close()
# Plot training & validation loss values
plt.plot(history.history['loss'])
plt.plot(history.history['val_loss'])
plt.title('Model loss')
plt.ylabel('Loss')
plt.xlabel('Epoch')
plt.legend(['Train', 'Validation'], loc='upper left')
plt.savefig("loss.png")
# Single predict on a file
def predict(self, filename):
# Load the image into memory
img = image.load_img(filename, target_size=(self.image_width, self.image_height))
img = image.img_to_array(img)
img = np.expand_dims(img, axis=0)
img = preprocess_input(img)
time_start = time.time()
prediction = self.model.predict(img, batch_size=1)
time_end = time.time()
print("Predictions:")
print("\tCustom 404: " + str(round(prediction[0][0] * 100, 2)) + "%")
print("\tLogin Page: " + str(round(prediction[0][1] * 100, 2)) + "%")
print("\tHome Page: " + str(round(prediction[0][2] * 100, 2)) + "%")
print("Prediction Took (seconds): ", time_end - time_start)
# Evaluate performance against the persistent evaluation data set
def evaluate(self, threshold=0.5):
# Prepare the data
data_generator = ImageDataGenerator(
preprocessing_function=preprocess_input)
evaluation_generator = data_generator.flow_from_dataframe(
self.evaluation_labels,
directory=self.image_dir,
x_col="filename",
y_col=["custom404", "login", "homepage"],
target_size=(self.image_width, self.image_height),
shuffle=False,
batch_size=1,
class_mode="other")
# If a seed was selected, then also evaluate on the validation set for that seed
if args.seed > 0:
print("Using validation set...")
# Data augmentation
data_generator = ImageDataGenerator(
preprocessing_function=preprocess_input,
shear_range=0.0,
zoom_range=0.2,
samplewise_center=True,
validation_split=0.2,
horizontal_flip=False)
evaluation_generator = data_generator.flow_from_dataframe(
self.training_labels,
directory=self.image_dir,
x_col="filename",
y_col=["custom404", "login", "homepage"],
target_size=(self.image_width, self.image_height),
batch_size=1,
subset='validation',
shuffle=False,
seed=self.seed,
class_mode="other")
else:
print("Using evaluation set...")
predictions = self.model.predict_generator(evaluation_generator, verbose=1, steps=len(evaluation_generator))
predictions = predictions > threshold
all_or_nothing_success = 0
correct_per_category_counts = [0, 0, 0]
total_correct_count = 0
labels = evaluation_generator.data.tolist()
# Zip them together, so we can evaluate easier
for row in zip(labels, predictions.tolist()):
# All or nothing count
if row[0] == row[1]:
all_or_nothing_success += 1
# Per-category count
for i in range(len(row[0])):
if row[0][i] == row[1][i]:
correct_per_category_counts[i] += 1
total_correct_count += 1
custom404_labels = np.reshape(np.array(labels)[:, 0:1], len(labels)).tolist()
custom404_predicitons = np.reshape(np.array(predictions)[:, 0:1], len(predictions)).tolist()
login_labels = np.reshape(np.array(labels)[:, 1:2], len(labels)).tolist()
login_predicitons = np.reshape(np.array(predictions)[:, 1:2], len(predictions)).tolist()
homepage_labels = np.reshape(np.array(labels)[:, 2:3], len(labels)).tolist()
homepage_predicitons = np.reshape(np.array(predictions)[:, 2:3], len(predictions)).tolist()
custom404_precision = precision_score(custom404_labels, custom404_predicitons)
custom404_recall = recall_score(custom404_labels, custom404_predicitons)
print("Custom404 Precision Score: " + str(round(custom404_precision * 100, 2)) + "%")
print("Custom404 Recall Score: " + str(round(custom404_recall * 100, 2)) + "%")
login_precision = precision_score(login_labels, login_predicitons)
login_recall = recall_score(login_labels, login_predicitons)
print("Login Precision Score: " + str(round(login_precision * 100, 2)) + "%")
print("Login Recall Score: " + str(round(login_recall * 100, 2)) + "%")
homepage_precision = precision_score(homepage_labels, homepage_predicitons)
homepage_recall = recall_score(homepage_labels, homepage_predicitons)
print("Homepage Precision Score: " + str(round(homepage_precision * 100, 2)) + "%")
print("Homepage Recall Score: " + str(round(homepage_recall * 100, 2)) + "%")
print("Overall Binary Accuracy: " + str(
round((total_correct_count * 100) / (len(evaluation_generator) * 3), 2)) + "%")
print("All or nothing accuracy: " + str(
round((all_or_nothing_success / len(evaluation_generator)) * 100, 2)) + "%")
# pass the model to subcommands
ctx.ensure_object(dict)
# We only pass the kwargs so we can be lazy and make the model later after the subcommand cli is parsed. This
# way, the user doesn't have to wait for tensorflow if they are just calling --help on a subcommand.
ctx.obj['model_kwargs'] = model_kwargs
seed = args.seed
if args.seed == 0:
seed = random.randint(0, 999999)
@cli.command()
@click.option('--graphs/--no-graphs', default=False, help="Save accuracy and loss graphs to file")
@click.option('--epochs', default=20, type=int, help="Number of epochs") # TODO better help string
@click.option('--batchsize', default=32, type=int, help="Batch size") # TODO better help string
@click.pass_context
def train(ctx, graphs, batchsize, epochs):
model = EyeballModel(**ctx.obj['model_kwargs'])
model.train(print_graphs=graphs, batch_size=batchsize, epochs=epochs)
model = EyeballModel(weights_file=args.weights, print_summary=args.summary, seed=seed)
if args.mode == "train":
model.train(print_graphs=args.graphs, batch_size=args.batchsize, epochs=args.epochs)
elif args.mode == "predict":
if args.screenshot is None:
print("Error: Use the --screenshot flag to specify what file you want to predict on")
@cli.command()
@click.argument('screenshot')
@click.pass_context
def predict(ctx, screenshot):
model = EyeballModel(**ctx.obj['model_kwargs'])
results = model.predict(screenshot)
if not results:
print("Error: Input file does not exist")
if len(results) == 1:
print(results)
else:
model.predict(args.screenshot)
elif args.mode == "evaluate":
model.evaluate(threshold=0.5)
else:
print("Error: " + args.mode + " is not a valid mode. Try one of \"train\", \"predict\", or \"evaluate\"")
with open("results.csv", "w", newline="") as csvfile:
fieldnames = ["filename", "custom404", "login", "homepage", "oldlooking"]
labelwriter = csv.DictWriter(csvfile, fieldnames=fieldnames)
labelwriter.writeheader()
labelwriter.writerows(results)
print("Output written to results.csv")
def pretty_print_evaluation(results):
"""Print a human-readable summary of the evaluation"""
# We use 4.2% to handle all the way from " 0.00%" (7chars) to "100.00%" (7chars)
for label in DATA_LABELS:
print(f"{label} Precision Score: {results[label]['precision']:4.2%}")
print(f"{label} Recall Score: {results[label]['recall']:4.2%}")
print(f"Overall Binary Accuracy: {results['total_binary_accuracy']:4.2%}")
print(f"All or nothing accuracy: {results['all_or_nothing_accuracy']:4.2%}")
print(f"Top 10 worst predictions: {results['top_10_worst'][1]}")
@cli.command()
@click.option('--threshold', default=.5, type=float, help="Threshold confidence for labeling")
@click.pass_context
def evaluate(ctx, threshold):
model = EyeballModel(**ctx.obj['model_kwargs'])
results = model.evaluate(threshold)
pretty_print_evaluation(results)
if __name__ == '__main__':
cli()
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import os
import random
# Prevent Tkinter Dependency
import matplotlib
matplotlib.use('agg')
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
import Augmentor
from keras import regularizers
from keras.applications import MobileNet
from keras.applications.mobilenet import preprocess_input
from keras.callbacks import ModelCheckpoint
from keras.layers import Dropout, Dense
from keras.layers import GlobalAveragePooling2D
from keras.models import Model
from keras.optimizers import Adam
from keras.preprocessing import image
from keras.preprocessing.image import ImageDataGenerator
from sklearn.metrics import classification_report, accuracy_score, hamming_loss
from augmentation import EyeballerAugmentation
from keras.callbacks import Callback
DATA_LABELS = ["custom404", "login", "homepage", "oldlooking"]
class PredictionManager(Callback):
def __init__(self):
super(PredictionManager, self).__init__()
self.predictions = []
def getPredictions(self):
return np.array(self.predictions)
def on_predict_batch_end(self, batch, logs=None):
self.predictions.append(logs['outputs'][0].tolist()[0])
class EyeballModel:
"""The primary model class of Eyeballer.
Contains high-level functions for training, evaluating, and predicting.
"""
graphs_directory = "graphs/"
checkpoint_file = "weights.h5"
image_dir = "images_224x224/"
image_width, image_height = 224, 224
input_shape = (image_width, image_height, 3)
def __init__(self, print_summary=False, weights_file="weights.h5", seed=None):
"""Constructor for model class.
Keyword arguments:
print_summary -- Whether or not to print to stdout the keras model summary, containing a detailed description of every model layer
weights_file -- A filename for where to load the model's weights.
seed -- PRNG seed, useful for repeating a previous run and using the same data. Training/Validation split is determined randomly.
"""
# Build the model
base_model = MobileNet(weights='imagenet', include_top=False, input_shape=self.input_shape)
x = base_model.output
x = GlobalAveragePooling2D()(x)
x = Dense(256, activation="relu", name="HiddenLayer1")(x)
x = Dropout(0.5)(x)
x = Dense(128, activation="relu", name="HiddenLayer2", kernel_regularizer=regularizers.l2(0.01))(x)
x = Dropout(0.2)(x)
output_layer = Dense(len(DATA_LABELS), activation="sigmoid", name="OutputLayer")(x)
self.model = Model(inputs=base_model.input, outputs=output_layer)
# for layer in base_model.layers:
# layer.trainable = False
adam = Adam(lr=0.0005)
self.model.compile(optimizer=adam, loss="binary_crossentropy", metrics=["accuracy"])
if print_summary:
print(self.model.summary())
# Pull out our labels for use in generators later
data = pd.read_csv("labels.csv")
self.training_labels = data.loc[data['evaluation'] == False] # noqa: E712
self.evaluation_labels = data.loc[data['evaluation'] == True] # noqa: E712
# Shuffle the training labels
self.random_seed = False
self.seed = seed
if self.seed is None:
self.random_seed = True
self.seed = random.randint(0, 999999)
print("No seed set, ", end='')
print(f"using seed: {self.seed}")
random.seed(self.seed)
self.training_labels = self.training_labels.sample(frac=1)
if weights_file is not None and os.path.isfile(weights_file):
self.model.load_weights(weights_file)
print("Loaded model from file.")
else:
print("No model loaded from file")
# Data augmentation
augmentor = Augmentor.Pipeline()
augmentor.set_seed(self.seed)
augmentor.zoom(probability=0.75, min_factor=0.8, max_factor=1.2)
augmentor.random_color(probability=0.75, min_factor=0.5, max_factor=1.0)
augmentor.random_contrast(probability=0.75, min_factor=0.8, max_factor=1.0)
augmentor.random_brightness(probability=0.75, min_factor=0.8, max_factor=1.2)
augmentor.random_erasing(probability=0.75, rectangle_area=0.15)
# Finalizes the augmentation with a custom operation to prepare the image for the specific pretrained model we're using
training_augmentation = EyeballerAugmentation()
augmentor.add_operation(training_augmentation)
self.preprocess_training_function = augmentor.keras_preprocess_func()
def train(self, epochs=20, batch_size=32, print_graphs=False):
"""Train the model, making a new weights file at each successfull checkpoint. You'll probably need a GPU for this to realistically run.
Keyword arguments:
epochs -- The number of epochs to train for. (An epoch is one pass-through of the dataset)
batch_size -- How many images to batch together when training. Generally speaking, the higher the better, until you run out of memory.
print_graphs --- Whether or not to create accuracy and loss graphs. If true, they'll be written to accuracy.png and loss.png
"""
print("Training with seed: " + str(self.seed))
data_generator = ImageDataGenerator(
preprocessing_function=self.preprocess_training_function,
validation_split=0.2,
samplewise_center=True)
training_generator = data_generator.flow_from_dataframe(
self.training_labels,
directory=self.image_dir,
x_col="filename",
y_col=DATA_LABELS,
target_size=(self.image_width, self.image_height),
batch_size=batch_size,
subset='training',
shuffle=True,
seed=self.seed,
class_mode="other")
validation_generator = data_generator.flow_from_dataframe(
self.training_labels,
directory=self.image_dir,
x_col="filename",
y_col=DATA_LABELS,
target_size=(self.image_width, self.image_height),
batch_size=batch_size,
subset='validation',
shuffle=False,
seed=self.seed,
class_mode="other")
# Model checkpoint - Saves model weights when validation accuracy improves
callbacks = [ModelCheckpoint(self.checkpoint_file, monitor='val_loss', verbose=1, save_best_only=True,
save_weights_only=True, mode='min')]
history = self.model.fit_generator(
training_generator,
steps_per_epoch=len(training_generator.filenames) // batch_size,
epochs=epochs,
validation_data=validation_generator,
validation_steps=len(validation_generator.filenames) // batch_size,
callbacks=callbacks,
verbose=1)
if print_graphs:
if not os.path.exists(self.graphs_directory):
os.makedirs(self.graphs_directory)
# Plot training & validation accuracy values
plt.plot(history.history['acc'])
plt.plot(history.history['val_acc'])
plt.title('Model accuracy')
plt.ylabel('Accuracy')
plt.xlabel('Epoch')
plt.legend(['Train', 'Validation'], loc='upper left')
plt.savefig(self.graphs_directory + "accuracy.png")
plt.clf()
plt.cla()
plt.close()
# Plot training & validation loss values
plt.plot(history.history['loss'])
plt.plot(history.history['val_loss'])
plt.title('Model loss')
plt.ylabel('Loss')
plt.xlabel('Epoch')
plt.legend(['Train', 'Validation'], loc='upper left')
plt.savefig(self.graphs_directory + "loss.png")
def predict(self, path):
"""Predict the labels for a single file
Keyword arguments:
path -- The path to the file that we'll be evaluating
"""
# Is this a single file, or a directory?
screenshots = []
if os.path.isfile(path):
screenshots = [path]
elif os.path.isdir(path):
screenshots = os.listdir(path)
screenshots = [os.path.join(path, s) for s in screenshots]
else:
return None
results = []
for screenshot in screenshots:
# Load the image into memory
img = image.load_img(screenshot, target_size=(self.image_width, self.image_height))
img = image.img_to_array(img)
img = np.expand_dims(img, axis=0)
img = preprocess_input(img)
prediction = self.model.predict(img, batch_size=1)
result = dict()
result["filename"] = screenshot
result["custom404"] = prediction[0][0]
result["login"] = prediction[0][1]
result["homepage"] = prediction[0][2]
result["oldlooking"] = prediction[0][3]
results.append(result)
return results
def evaluate(self, threshold=0.5):
"""Evaluate performance against the persistent evaluation data set
Keyword arguments:
threshold -- Value between 0->1. The cutoff where the numerical prediction becomes boolean. Default: 0.5
"""
# Prepare the data
data_generator = ImageDataGenerator(
preprocessing_function=preprocess_input)
evaluation_generator = data_generator.flow_from_dataframe(
self.evaluation_labels,
directory=self.image_dir,
x_col="filename",
y_col=DATA_LABELS,
target_size=(self.image_width, self.image_height),
shuffle=False,
batch_size=1,
class_mode="other")
# If a seed was selected, then also evaluate on the validation set for that seed
if not self.random_seed:
print("Using validation set...")
# Data augmentation
data_generator = ImageDataGenerator(
preprocessing_function=self.preprocess_training_function,
samplewise_center=True,
validation_split=0.2)
evaluation_generator = data_generator.flow_from_dataframe(
self.training_labels,
directory=self.image_dir,
x_col="filename",
y_col=DATA_LABELS,
target_size=(self.image_width, self.image_height),
batch_size=1,
subset='validation',
shuffle=False,
seed=self.seed,
class_mode="other")
else:
print("Using evaluation set...")
prediction_manager = PredictionManager()
try:
output = self.model.predict_generator(
evaluation_generator,
callbacks=[prediction_manager],
verbose=1,
steps=len(evaluation_generator))
except KeyboardInterrupt:
print('\r\nJob interrupted (Ctrl+C): Outputting completed results')
predictions = prediction_manager.getPredictions()
# Truncates evaluation generator if test was interrupted
evaluation_generator._data = evaluation_generator.data[:predictions.shape[0]]
self._save_prediction_histograms(predictions)
predictions = predictions > threshold
ground_truth = evaluation_generator.data
stats = classification_report(ground_truth, predictions, target_names=DATA_LABELS, output_dict=True)
stats["total_binary_accuracy"] = 1 - hamming_loss(ground_truth, predictions)
stats["all_or_nothing_accuracy"] = accuracy_score(ground_truth, predictions)
stats["top_10_best"] = self._top_images(evaluation_generator, predictions, best=True)
stats["top_10_worst"] = self._top_images(evaluation_generator, predictions, best=False)
return stats
def _top_images(self, labels, predictions, top_k=10, best=False):
"""Collect top-k best or top-k worst predicted images
Keyword arguments:
labels -- The keras generator that contains the filenames and data labels
predictions -- The numpy array of predictions
top_k -- Top k elements
best -- True/False. Calculate either the best or worst images
:Return -- Tuple of top-k indicies and top-k filenames
"""
true_labels = np.array(labels.data).astype(float)
predictions = predictions.astype(float)
differences = np.abs(predictions - true_labels).sum(axis=1)
indicies = np.argsort(differences, axis=0)
top_file_list = []
if not best:
# Reverse numpy array
indicies = np.flipud(indicies)
for i in indicies[:top_k]:
top_file_list.append(labels.filenames[i])
return indicies[:top_k], top_file_list
def _save_prediction_histograms(self, predictions, buckets=50):
"""Saves a series of histogram screenshots
Keyword arguments:
predictions -- The numpy array of predicted labels, ranging from 0->1.
buckets -- The number of buckets to divide the data into. Default: 50
:Returns -- Nothing"
"""
figure, axes = plt.subplots(nrows=len(DATA_LABELS))
for i, label in enumerate(DATA_LABELS):
axes[i].hist(predictions[:, i], buckets, alpha=.75)
axes[i].set_xlabel("Prediction")
axes[i].set_ylabel("Counts of Predictions")
axes[i].set_title(label)
axes[i].grid(True)
figure.set_size_inches(5, 3*len(DATA_LABELS))
figure.tight_layout()
if not os.path.exists(self.graphs_directory):
os.makedirs(self.graphs_directory)
plt.savefig(self.graphs_directory + "label_histograms.png")
+9
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Augmentor
click
matplotlib
numpy
pandas
pillow
sklearn
tensorflow
git+https://github.com/keras-team/keras/
-21
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@@ -1,21 +0,0 @@
from setuptools import find_packages, setup
setup(
name='eyeballer',
version='0.0.1',
packages=find_packages(exclude=["tests"]),
url='https://github.com/BishopFox/eyeballer',
license='GNU General Public License v3.0',
author='Daniel Petro',
author_email='',
description='',
install_requires=[
'keras',
'sklearn',
'numpy',
'pandas',
'matplotlib',
'pillow'
],
test_requires=[],
)
+37
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#!/usr/bin/env python3
import csv
import random
import json
with open("newlabels.csv", "w", newline="") as csvfile:
# Open the old labels file
with open("labelbox.csv", newline="") as oldfile:
# Get the header labels
csvreader = csv.DictReader(oldfile)
fieldnames = next(csvreader)
labelwriter = csv.DictWriter(csvfile, fieldnames=["filename", "login", "custom404", "homepage", "oldlooking", "evaluation"])
labelwriter.writeheader()
# Loop through the file
rows = []
for row in csvreader:
filename = row["External ID"]
print(row["Label"])
labelstring = row["Label"]
if row["Label"] == "Skip":
labelstring = '{"imageclassification":[]}'
labels = json.loads(labelstring)
newrow = dict()
newrow["filename"] = filename
newrow["oldlooking"] = True
newrow["login"] = "loginpage" in labels["imageclassification"]
newrow["homepage"] = "homepage" in labels["imageclassification"]
newrow["custom404"] = "custom404"in labels["imageclassification"]
newrow["evaluation"] = random.random() > 0.8
rows.append(newrow)
labelwriter.writerows(rows)
print("Made new labels file: newlabels.csv")
+21
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#!/usr/bin/env python3
import csv
import random
with open("newlabels.csv", "w", newline="") as csvfile:
# Open the old labels file
with open("labels.csv", newline="") as oldfile:
# Get the header labels
csvreader = csv.DictReader(oldfile)
fieldnames = next(csvreader)
labelwriter = csv.DictWriter(csvfile, fieldnames=fieldnames)
labelwriter.writeheader()
# Loop through the file
rows = []
for row in csvreader:
row["evaluation"] = random.random() > 0.8
rows.append(row)
labelwriter.writerows(rows)
print("Made new labels file: newlabels.csv")
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#!/bin/bash
# Converts full-size images to a given size (replacing the originals)
for f in images_full_size/*
do
convert -resize 224x224 $f $f
done