Estoy usando la última versión de foolbox (3.3.1), y mi código simplemente cargar un RESNET-50 CNN, añade algunas capas para transferir el aprendizaje de la aplicación, y las cargas de los pesos de la siguiente manera.
from numpy.core.records import array
import tensorflow as tf
from keras.applications.resnet50 import ResNet50, preprocess_input
from tensorflow.keras.layers import Dense, Dropout, Flatten
from tensorflow.keras.models import Model
from tensorflow.keras.layers import Input
import cv2
import os
import numpy as np
import foolbox as FB
from sklearn.metrics import accuracy_score
from scipy.spatial.distance import cityblock
from sklearn.metrics import plot_confusion_matrix
from sklearn.metrics import confusion_matrix
from PIL import Image
import foolbox as FB
import math
from foolbox.criteria import Misclassification
#load model
num_classes = 12
#Load model and prepare it for testing
print("Step 1: Load model and weights")
baseModel = ResNet50(weights=None, include_top=False, input_tensor=Input(shape=(224, 224, 3)))
headModel = baseModel.output
headModel = Flatten(name="flatten")(headModel)
headModel = Dense(512, activation="relu")(headModel)
headModel = Dropout(0.5)(headModel)
headModel = Dense(num_classes, activation="softmax")(headModel)
model = Model(inputs=baseModel.input, outputs=headModel)
model.load_weights("RESNET-50/weights/train1-test1.h5")
print("Step 2: prepare testing data")
#features is a set of (1200,10,224,224,3) images
features=np.load("features.npy")
labels=np.load("labels.npy")
Ahora me gustaría ataque usando el foolbox 3.3.1 Carlini y Wagner ataque, esta es la forma en que me carga el modelo de foolbox
#Lets test the foolbox model
bounds = (0, 1)
fmodel = fb.TensorFlowModel(model, bounds=bounds)
Mi conjunto de datos se divide en 10 imágenes por documento, voy a atacar a estas 10 imágenes con un tamaño de lote de 10 por foolbox utilizando Carlini y Wagner ataque
#for each i, I have 10 images
for i in range(0, features.shape[0]):
print("document "+str(i))
#Receive current values
#This is a batch of (10,224,224,3) images
features_to_test=features[i,:]
#Get their labels
labels_to_test=labels[i,:]
######################ATTACK IN THE NORMALIZED DOMAIN###########################
#lets do the attack
#We use an interval of epsilons
epsilons = np.linspace(0.01, 1, num=2)
attack = fb.attacks.L2CarliniWagnerAttack(fmodel)
adversarials = attack(features_to_test, labels_to_test, criterion=Misclassification(labels=labels_to_test), epsilons=epsilons)
Sin embargo, cada vez que se ejecute el código, este es el error que se devuelve a mí
Traceback (most recent call last):
File "test_carlini_wagner.py", line 161, in <module>
adversarials = attack(features_to_test, labels_to_test,
criterion=Misclassification(labels=labels_to_test), epsilons=epsilons)
File "/usr/local/lib/python3.8/dist-packages/foolbox/attacks/base.py", line 410, in
__call__
xp = self.run(model, x, criterion, early_stop=early_stop, **kwargs)
File "/usr/local/lib/python3.8/dist-packages/foolbox/attacks/carlini_wagner.py", line 100, in run
bounds = model.bounds
AttributeError: 'tensorflow.python.framework.ops.EagerTensor' object has no attribute
'bounds'
Lo que se supone debería ser el error? estoy cargando mi modelo erróneamente? debo agregar nuevos parámetros para el ataque llamado? como se ha indicado anteriormente, estoy en foolbox 3.3.1.