def train(train_path):
# Now read in the image data. This must be a valid path!
[X, y, class_names] = read_images(train_path)
print X, y, class_names
# Then set up a handler for logging:
handler = logging.StreamHandler(sys.stdout)
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
# Add handler to facerec modules, so we see what's going on inside:
logger = logging.getLogger("facerec")
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
# Define the Fisherfaces as Feature Extraction method:
feature = Fisherfaces()
# Define a 1-NN classifier with Euclidean Distance:
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# Define the model as the combination
model = PredictableModel(feature=feature, classifier=classifier)
# Compute the Fisherfaces on the given data (in X) and labels (in y):
model.compute(X, y)
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in xrange(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:, i].reshape(X[0].shape)
E.append(minmax_normalize(e, 0, 255, dtype=np.uint8))
# Plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
subplot(title="Fisherfaces",
images=E,
rows=4,
cols=4,
sptitle="Fisherface",
colormap=cm.jet,
filename="fisherfaces.png")
# Perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(X, y)
# And print the result:
cv.print_results()
save_model('model.pkl', model, class_names)
return [model, class_names]
def train(train_path):
# Now read in the image data. This must be a valid path!
[X,y,class_names] = read_images(train_path)
print X,y,class_names
# Then set up a handler for logging:
handler = logging.StreamHandler(sys.stdout)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
# Add handler to facerec modules, so we see what's going on inside:
logger = logging.getLogger("facerec")
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
# Define the Fisherfaces as Feature Extraction method:
feature = Fisherfaces()
# Define a 1-NN classifier with Euclidean Distance:
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# Define the model as the combination
model = PredictableModel(feature=feature, classifier=classifier)
# Compute the Fisherfaces on the given data (in X) and labels (in y):
model.compute(X, y)
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in xrange(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:,i].reshape(X[0].shape)
E.append(minmax_normalize(e,0,255, dtype=np.uint8))
# Plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
subplot(title="Fisherfaces", images=E, rows=4, cols=4, sptitle="Fisherface",
colormap=cm.jet, filename="fisherfaces.png")
# Perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(X, y)
# And print the result:
cv.print_results()
save_model('model.pkl', model, class_names)
return [model,class_names]
dataSet = DataSet("/root/libface/img/yalefaces")
# define Fisherfaces as feature extraction method
feature = Fisherfaces()
# define a 1-NN classifier with Euclidean Distance
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# define the model as the combination
model = PredictableModel(feature=feature, classifier=classifier)
# show fisherfaces
model.compute(dataSet.data, dataSet.labels)
#try to recgonize
im = Image.open("/root/libface/img/reg.jpg")
im = im.convert("L")
ar = []
ar.append(np.asarray(im, dtype=np.uint8))
print(dataSet.names[model.predict(ar)])
# turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
"""
E = []
for i in xrange(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:,i].reshape(dataSet.data[0].shape)
E.append(minmax_normalize(e,0,255, dtype=np.uint8))
# plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
subplot(title="Fisherfaces", images=E, rows=4, cols=4, sptitle="Fisherface", colormap=cm.jet, filename="fisherfaces.pdf")
# perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(dataSet.data, dataSet.labels)
print cv
"""
[X,y] = read_images(sys.argv[1])
# Then set up a handler for logging:
handler = logging.StreamHandler(sys.stdout)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
# Add handler to facerec modules, so we see what's going on inside:
logger = logging.getLogger("facerec")
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
# Define the Fisherfaces as Feature Extraction method:
feature = Fisherfaces()
# Define a 1-NN classifier with Euclidean Distance:
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# Define the model as the combination
model = PredictableModel(feature=feature, classifier=classifier)
# Compute the Fisherfaces on the given data (in X) and labels (in y):
model.compute(X, y)
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in xrange(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:,i].reshape(X[0].shape)
E.append(minmax_normalize(e,0,255, dtype=np.uint8))
# Plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
subplot(title="Fisherfaces", images=E, rows=4, cols=4, sptitle="Fisherface", colormap=cm.jet, filename="fisherfaces.png")
# Perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(X, y)
# And print the result:
print cv
logger = logging.getLogger("facerec")
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
# Define the Fisherfaces as Feature Extraction method:
feature = PCA()
# Define a 1-NN classifier with Euclidean Distance:
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# Define the model as the combination
model = PredictableModel(feature=feature, classifier=classifier)
# Compute the Fisherfaces on the given data (in X) and labels (in y):
model.compute(X, y)
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in range(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:, i].reshape(X[0].shape)
E.append(minmax_normalize(e, 0, 255, dtype=np.uint8))
# Plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
subplot(title="Fisherfaces",
images=E,
rows=4,
cols=4,
sptitle="Fisherface",
colormap=cm.jet,
filename="fisherfaces.png")
# Perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(X, y)
# And print the result:
cv.print_results()
save_model('model.pkl', my_model)
model = load_model('model.pkl')
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in range(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:, i].reshape(X[0].shape)
E.append(minmax_normalize(e, 0, 255, dtype=np.uint8))
# Plot them and store the plot to "eigenfaces.png"
subplot(title="Eigenfaces", images=E, rows=4, cols=4, sptitle="Eigenfaces", colormap=cm.gray,
filename="eigenfaces.png")
# Perform a 10-fold cross validation
k=10
cv = KFoldCrossValidation(model, k)
t_validation = timeit.timeit(stmt='cv.validate(X, y)', setup='from __main__ import cv, X, y', number=1)
print("\nk-fold cross validation (k={}): {}s\n".format(k, t_validation))
# And print the result:
print("\n\nResults:\n")
cv.print_results()
feature = PCA()
# Define a 1-NN classifier with Euclidean Distance:
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# Define the model as the combination
my_model = PredictableModel(feature=feature, classifier=classifier)
# Compute the Fisherfaces on the given data (in X) and labels (in y):
my_model.compute(X, y)
# We then save the model, which uses Pythons pickle module:
save_model('model.pkl', my_model)
model = load_model('model.pkl')
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in xrange(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:, i].reshape(X[0].shape)
E.append(minmax_normalize(e, 0, 255, dtype=np.uint8))
# Plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
subplot(title="PCA",
images=E,
rows=4,
cols=4,
sptitle="PCA",
colormap=cm.jet,
filename="pca_%s.png" % sys.argv[2])
# Perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(Tx, ty)
# cv.validate(X, y)
# And print the result:
cv.print_results()
# Add handler to facerec modules, so we see what's going on inside:
logger = logging.getLogger("facerec")
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
# Define the Fisherfaces as Feature Extraction method:
feature = Fisherfaces()
# Define a 1-NN classifier with Euclidean Distance:
classifier = NearestNeighbor(dist_metric=EuclideanDistance(), k=1)
# Define the model as the combination
model = PredictableModel(feature=feature, classifier=classifier)
# Compute the Fisherfaces on the given data (in X) and labels (in y):
model.compute(X, y)
# Then turn the first (at most) 16 eigenvectors into grayscale
# images (note: eigenvectors are stored by column!)
E = []
for i in range(min(model.feature.eigenvectors.shape[1], 16)):
e = model.feature.eigenvectors[:, i].reshape(X[0].shape)
E.append(minmax_normalize(e, 0, 255, dtype=np.uint8))
# Plot them and store the plot to "python_fisherfaces_fisherfaces.pdf"
# subplot(title="Fisherfaces", images=E, rows=4, cols=4, sptitle="Fisherface", colormap=cm.jet, filename="fisherfaces.png")
subplot(title="Fisherfaces",
images=E,
rows=4,
cols=4,
sptitle="Fisherface",
colormap=cm.jet)
# Perform a 10-fold cross validation
cv = KFoldCrossValidation(model, k=10)
cv.validate(X, y)
# And print the result:
print(cv)
