adv_acc_pos = 0
adv_fool = 0
# Post-training
print('Loading best weights')
model.load_weights(logdir + 'model_best_val_weights.h5')
test_loss = model.evaluate(x_test, x_test, batch_size=batch_size, verbose=0)
print('Test loss: {:.2f}'.format(test_loss))
# KNN test
def sample_points(data_, labels_, n_):
target_idxs_ = []
for l_ in np.unique(labels_):
t_ = np.argwhere(labels_ == l_).reshape(-1)
np.random.shuffle(t_)
target_idxs_.append(t_[:n_])
target_idxs_ = np.hstack(target_idxs_)
return data_[target_idxs_], labels_[target_idxs_]
embeddings_train = clip(encoder.predict(x_train), radius)
embeddings_test = clip(encoder.predict(x_test), radius)
knn = KNeighborsClassifier(n_neighbors=5, metric=get_distance(radius))
for n_labels in [100, 600, 1000]:
knn.fit(*sample_points(embeddings_train, y_train, n_labels))
knn_score = knn.score(embeddings_test, y_test)
print('KNN score ({} labels): {}'.format(n_labels, knn_score))
from geometry import create_cube, clip, Plane
from unfolding import unfold
import svg
cube = create_cube()
cube.assert_integrity()
plane = Plane(1,1,0,0)
ph = clip(cube,plane)
ph.assert_integrity()
svg.write_unfolded_faces('test5.svg', unfold(ph))
from geometry import Point3, create_cube, clip, Plane
from unfolding import unfold
import svg
import math
m = 5
cube = create_cube()
rest = cube
pieces = []
for i in range(m):
theta = math.pi/6 * (1-2*i/(m-1))
u = Point3(math.sin(theta),0,math.cos(theta))
plane = Plane(u.x,u.y,u.z, -2*u.x)
pieces.append(clip(rest, -plane))
rest = clip(rest, plane)
pieces.append(rest)
for i,piece in enumerate(pieces):
svg.write_unfolded_faces(f"test3-{i+1}.svg", unfold(piece))
from geometry import create_cube, clip, Plane
from unfolding import unfold
import svg
cube = create_cube()
plane1 = Plane(0,0,1, 1/3)
plane2 = Plane(0,0,1,-1/3)
ph12 = clip(cube,plane2)
ph1 = clip(ph12,plane1)
ph2 = clip(ph12,-plane1)
ph3 = clip(cube,-plane2)
svg.write_unfolded_faces('test2a.svg', unfold(ph1))
svg.write_unfolded_faces('test2b.svg', unfold(ph2))
svg.write_unfolded_faces('test2c.svg', unfold(ph3))