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new_siamese.py
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new_siamese.py
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import numpy as np
np.random.seed(1234)
import random
from keras import optimizers
from keras import backend as K
from sklearn import cross_validation
import Utils as u
import sys, getopt
from keras.models import model_from_json
from buildNN import buildNN
from keras.callbacks import EarlyStopping
from keras.callbacks import ModelCheckpoint
from sklearn.preprocessing import StandardScaler
from keras.models import model_from_json
import time
def main(argv):
#nvidia-smi
dim = 5
step=0.1
classes=int(1/step)+1
epochs = 70
nfolds=10
#if take=None then take all the examples
only_test=True
data_path="/home/aloreggi/cpnet/data/examples"+str(dim)+"/"
batch_size = 128
trainable=True
for j in range(3,nfolds):
take = None
samples_per_epoch = take
prefix_results= "/home/aloreggi/cpnet/xml/lists/results/examples"+str(dim)+"/"
json_file_adj= prefix_results+"autoencoder_NOPOOL_adj"+str(j)+".json"
weights_file_adj= prefix_results + "autoencoder_NOPOOL_adj"+str(j)+".h5"
json_file_cpt= prefix_results+"autoencoder_NOPOOL_cpt"+str(j)+".json"
weights_file_cpt= prefix_results + "autoencoder_NOPOOL_cpt"+str(j)+".h5"
file_training="/home/aloreggi/cpnet/xml/lists/examples"+str(dim)+"/train"+str(j)+".txt"
file_test="/home/aloreggi/cpnet/xml/lists/examples"+str(dim)+"/test"+str(j)+".txt"
#outputfile="_PRETRAIN_NOTRAIN-CNN_BALANCED_DIM_"+str(dim)+"_"+str(classes)+"_"+str(take)+"_"+str(epochs)+"_"
outputfile="_PRETRAIN_NOPOOL_UNBALANCED_DIM_"+str(dim)+"_"+str(classes)+"_"+str(epochs)+"_FOLD_"+str(j)
file_weight= prefix_results + "weights."+outputfile+".best.hdf5"
#millis = int(round(time.time() * 1000))
json_file_adj = open(json_file_adj, 'r')
loaded_model_json_adj = json_file_adj.read()
json_file_adj.close()
loaded_model_adj = model_from_json(loaded_model_json_adj)
loaded_model_adj.load_weights(weights_file_adj)
layer_dict={}
for layer in loaded_model_adj.layers:
layer_dict[layer.name]=layer
json_file_cpt = open(json_file_cpt, 'r')
loaded_model_json_cpt = json_file_cpt.read()
json_file_cpt.close()
loaded_model_cpt = model_from_json(loaded_model_json_cpt)
loaded_model_cpt.load_weights(weights_file_cpt)
for layer in loaded_model_cpt.layers:
layer_dict[layer.name]=layer
#layer_dict = dict([(layer.name, layer) for layer in loaded_model_adj.layers])
#print(file_weight)
#layer_dict=None
model = buildNN(dim, step, train=trainable, weights=layer_dict)
print( model.summary())
millis = int(round(time.time() * 1000))
# the data, shuffled and split between train and test sets
(trainx1,trainx2,trainx3,trainx4,trainlab) = u.load_data(file_training,take=take, dim=dim, step=step, prefix=data_path,batch_size=samples_per_epoch)
take=len(trainx1)
print("Shape: ")
print(trainx2.shape)
trainx1=np.reshape(trainx1,(take, dim*dim))
trainx2=np.reshape(trainx2,(take, (2**dim)*(dim+1)))
trainx3=np.reshape(trainx3,(take, dim*dim))
trainx4=np.reshape(trainx4,(take, (2**dim)*(dim+1)))
print(trainx2.shape)
scaler1 = StandardScaler().fit(trainx1)
scaler2 = StandardScaler().fit(trainx2)
scaler3 = StandardScaler().fit(trainx3)
scaler4 = StandardScaler().fit(trainx4)
trainx1 = scaler1.transform(trainx1)
trainx2 = scaler2.transform(trainx2)
trainx3 = scaler3.transform(trainx3)
trainx4 = scaler4.transform(trainx4)
trainx1=np.reshape(trainx1,(take, dim,dim,1))
trainx2=np.reshape(trainx2,(take, (2**dim),(dim+1),1))
trainx3=np.reshape(trainx3,(take, dim,dim,1))
trainx4=np.reshape(trainx4,(take, (2**dim),(dim+1),1))
checkpoint = ModelCheckpoint(file_weight, monitor='val_loss', verbose=1, save_best_only=True, mode='min')
callbacks_list = [checkpoint]
model.fit([trainx1,trainx2,trainx3,trainx4],y=trainlab,
epochs=epochs,
batch_size=batch_size,
shuffle=True,
validation_split=0.2,
callbacks=callbacks_list)
#validation_data=((testx1,testx2,testx3,testx4),testlab), callbacks=callbacks_list)
millis = int(round(time.time() * 1000)) - millis
model.load_weights(file_weight)
tr_acc = model.predict([trainx1,trainx2,trainx3,trainx4])
#np.save(prefix_results + "train_output_last_layer"+outputfile+".txt",tr_acc)
#print tr_acc.shape
#print tr_acc
#print trainlab.shape
#print trainlab
tr_acc = np.argmax(tr_acc, axis=1)
tr_acc = np.reshape(tr_acc,(len(tr_acc),1))
#trainlab = np.reshape(trainlab,(len(trainlab),1))
trainlab = np.argmax(trainlab, axis=1)
trainlab = np.reshape(trainlab,(len(trainlab),1))
#te_acc = model.predict([x1_test, x2_test])
#print('* Accuracy on training set: %0.2f%%' % (100 * tr_acc[1]))
#np.save(prefix_results + "train"+outputfile+".txt",np.concatenate((trainlab,tr_acc),axis=1))
#print('* Accuracy on test set: %0.2f%%' % (100 * te_acc[1]))
#np.save("test"+outputfile+".txt",np.concatenate((y_test,te_acc),axis=1))
model.load_weights(file_weight)
(trainx1,trainx2,trainx3,trainx4,trainlab) = u.load_data(file_test,take=take, dim=dim, step=step, prefix=data_path,batch_size=samples_per_epoch)
take=len(trainx1)
trainx1=np.reshape(trainx1,(take, dim*dim))
trainx2=np.reshape(trainx2,(take, (2**dim)*(dim+1)))
trainx3=np.reshape(trainx3,(take, dim*dim))
trainx4=np.reshape(trainx4,(take, (2**dim)*(dim+1)))
trainx1 = scaler1.transform(trainx1)
trainx2 = scaler2.transform(trainx2)
trainx3 = scaler3.transform(trainx3)
trainx4 = scaler4.transform(trainx4)
trainx1=np.reshape(trainx1,(take, dim,dim,1))
trainx2=np.reshape(trainx2,(take, (2**dim),(dim+1),1))
trainx3=np.reshape(trainx3,(take, dim,dim,1))
trainx4=np.reshape(trainx4,(take, (2**dim),(dim+1),1))
tr_acc = model.predict([trainx1,trainx2,trainx3,trainx4])
#np.save(prefix_results + "test_output_last_layer"+outputfile+".txt",tr_acc)
#print tr_acc.shape
#print tr_acc
#print trainlab.shape
#print trainlab
tr_acc = np.argmax(tr_acc, axis=1)
tr_acc = np.reshape(tr_acc,(len(tr_acc),1))
#trainlab = np.reshape(trainlab,(len(trainlab),1))
trainlab = np.argmax(trainlab, axis=1)
trainlab = np.reshape(trainlab,(len(trainlab),1))
#te_acc = model.predict([x1_test, x2_test])
#print('* Accuracy on training set: %0.2f%%' % (100 * tr_acc[1]))
np.save(prefix_results + "test"+outputfile+".txt",np.concatenate((trainlab,tr_acc),axis=1))
if __name__ == "__main__":
main(sys.argv[1:])