def average_out_pred(r=2):
model_name = 'ti-unet'
path = os.path.join(
folder_base,
f'net_weight/{data}/{model_name}_d1_k{k}_n80/w_{1}.h5')
model_i = load_model_quick(path)
neural_net_i = NeuralNet(model_i, w_ext=10, norm_x=True)
y_pred_lst = []
r = 2
for epoch_i in range(epoch - r, epoch + r + 1): # epochs
neural_net_i.load(path.rsplit('/', 1)[0], epoch_i) # Load
try:
y_pred_i = neural_net_i.predict(img_x)
except Exception as e:
print(e)
continue
y_pred_lst.append(y_pred_i[..., 1])
y_pred_avg = np.mean(y_pred_lst, axis=0)
return y_pred_avg
def eval_3outputs():
folder_base = 'C:/Users/admin/Data/ghent_altar/' if os.name == 'nt' else '/scratch/lameeus/data/ghent_altar/'
assert data == '19botrightcrack3'
k = 9
epoch = 25
model_name = 'ti-unet'
folder_base = 'C:/Users/admin/Data/ghent_altar/' if os.name == 'nt' else '/scratch/lameeus/data/ghent_altar/'
path = os.path.join(
folder_base,
f'net_weight/{data}/{model_name}_d1_k{k}_n80/w_{epoch}.h5')
model = load_model_quick(path)
neural_net = NeuralNet(model, w_ext=10, norm_x=True)
from scripts.journal_paper.comparison_sh.shared import load_data
a = load_data("19botright", 80)
img_x, y_eval = a.get_x_train(), a.get_y_test()
y_pred = neural_net.predict(img_x)
assert y_pred.shape[-1] == 3
y_pred2 = np.stack([1 - y_pred[..., 1], y_pred[..., 1]], axis=-1)
data_i = _eval_func_single(y_eval, y_pred2)
print(data_i)
return
def __init__(self):
# data
self.data()
# Load model(s)
model_name = 'unet' # ['simple', 'ti-unet', 'unet']:
folder = f'C:/Users/admin/Data/ghent_altar/net_weight/{model_name}_d1_k9_n80'
epoch = 1
path = f'C:/Users/admin/Data/ghent_altar/net_weight/{model_name}_d1_k9_n80/w_{epoch}.h5'
from scripts.scripts_performance.main_performance import load_model_quick
model = load_model_quick(path)
neural_net = NeuralNet(model, w_ext=10, norm_x=True)
model.summary()
for epoch in range(1, 10 + 1):
print('epoch', epoch)
neural_net.load(folder, epoch)
# Predict
y_pred = neural_net.predict(self.img_x)
if 0:
plt.imshow(y_pred[..., 0])
plt.show()
for val_name in self.val:
print(val_name)
y_true_val = self.val[val_name]
data_i = _eval_func_single(y_true_val, y_pred)
print(data_i)
# TODO best performing (ti-unet: 4)
neural_net.load(folder, 4)
y_pred = neural_net.predict(self.img_x)
from performance.testing import get_y_pred_thresh
y_pred_thresh = get_y_pred_thresh(y_pred, data_i['thresh'])
concurrent([
self.img_x[..., :3], self.img_y[..., 0], y_pred[..., 0],
y_pred_thresh[..., 0]
])
y_pred
def __init__(self, k=None, n_per_class=None):
if k is not None:
self.k = k
if n_per_class is not None:
self.n_per_class = n_per_class
# Get net
self.model_train = self.main_net(set_net)
from methods.basic import NeuralNet
self.neural_net = NeuralNet(self.model_train, w_ext=self.w_ext_in)
# Get data
train_data = self.main_data(set_data)
n_val_datas = len(self.val_datas)
lst_data = [[] for _ in range(n_val_datas + 1)]
for _ in range(self.epochs):
# Train
self.main_train(train_data)
# Evaluate
data_lst = self.main_eval(train_data)
for i, data_i in enumerate(data_lst):
data_i.update({'epoch': self.neural_net.epoch})
lst_data[i].append(data_i)
for i in range(n_val_datas + 1):
df = pd.DataFrame(lst_data[i])
print(df)
if i == 0:
data_name = 'val'
else:
data_name = self.val_datas[i - 1]['name']
model_name = f'{set_net["name"]}_data{data_name}_d{self.d}_k{self.k}_n{self.n_per_class}'
pandas_save(
f'C:/Users/admin/OneDrive - ugentbe/data/dataframes/{model_name}.csv',
df,
append=True)
if 0:
if 0:
self.neural_net.load(
'C:/Users/admin/Data/ghent_altar/net_weight/tiunet_d1_k10_n80',
4)
self.main_eval(train_data, b_plot=True)
print("Finished init")
def model(self, b_optimal_lr=False):
features_out = 3 if data_name == '19botrightcrack3' else 2
if model_name == 'ti-unet':
model = ti_unet(
9,
filters=self.k,
w=w_patch,
ext_in=w_ext_in // 2,
batch_norm=True,
max_depth=d,
features_out=features_out,
)
elif model_name == 'unet':
# model = ti_unet(9, filters=self.k, w=w_patch, ext_in=w_ext_in // 2, batch_norm=True,
# max_depth=d)
print('NO BATCH NORM? (not implemented)')
model = unet(9,
filters=self.k,
w=w_patch,
ext_in=w_ext_in // 2,
max_depth=d,
n_per_block=1)
else:
raise ValueError(model_name)
model.summary()
compile_segm(model, lr=lr)
if b_optimal_lr:
from neuralNetwork.optimization import find_learning_rate
global flow_tr
find_learning_rate(model, flow_tr)
self.neural_net = NeuralNet(model, w_ext=w_ext_in)
if data_name[:5] == '1319_': # pre Load model!
# TODO which epoch to start from, I guess 10 should have an impact
epoch_start = 50 # probably better (learned something)
self.neural_net.load(
f'C:/Users/admin/Data/ghent_altar/net_weight/1319/{model_name}_d{d}_k{self.k}',
epoch=epoch_start)
def pred_epochs():
img_x, img_y_val = data_lamb()
d = 2
k = 10
model_name = 'ti-unet'
train_data = '1319_10nat'
w_ext = 10 if d == 1 else 26
y_pred_lst = []
n = []
for epoch in range(10, 101, 10):
print(epoch)
epoch_start = 50
epoch_corr = epoch + epoch_start if train_data[:5] == '1319_' else epoch
path = f'C:/Users/admin/Data/ghent_altar/net_weight/{train_data}/{model_name}_d{d}_k{k}/w_{epoch_corr}.h5'
try:
model = load_model_quick(path)
except Exception as e:
print(e)
continue
neural_net = NeuralNet(model, w_ext=w_ext, norm_x=True)
y_pred = neural_net.predict(img_x)
if 0:
data_i = _eval_func_single(img_y_val, y_pred, metric='kappa')
print(data_i)
data_i = _eval_func_single(img_y_val, y_pred, metric='jaccard')
print(data_i)
y_pred_lst.append(y_pred)
n.append(epoch)
concurrent([a[..., 1] for a in y_pred_lst], n)
plt.show()
return 1
def get_model():
if self.ti:
model = self.get_tiunet_preenc(k=self.k, lr=self.lr_opt)
else:
model = self.get_unet_preenc(k=self.k, lr=self.lr_opt)
if self.fixed_enc == 2:
n_temp = NeuralNet(model)
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight'
folder1 = f'10lamb_kfold_pretrained{"_encfixed"}{info_batchnorm}'
folder2 = f'{info_model}_d{self.depth}_k{self.k}_ifold{i_fold}'
n_temp.load(os.path.join(folder_weights, folder1, folder2),
100)
del (n_temp)
return model
def get_n_model_regular(self, i_fold=None, k=None, epoch=None):
n_in = 9
model_tiunet = ti_unet(n_in,
filters=k,
w=self.w_patch,
ext_in=10 // 2,
batch_norm=True,
wrong_batch_norm=True)
""" TODO wrong tiunet """
n = NeuralNet(model_tiunet, w_ext=10)
info = f'10lamb_kfold/ti_unet_k{k}_kfold{i_fold}'
folder = os.path.join('/scratch/lameeus/data/ghent_altar/net_weight',
info)
n.load(folder=folder, epoch=epoch)
return n
def get_n_model(self, i_fold=None, k=None, epoch=None):
n_in = 9
model_tiunet = ti_unet(n_in,
filters=k,
w=self.w_patch,
ext_in=10 // 2,
batch_norm=True)
n = NeuralNet(model_tiunet, w_ext=10)
info_batchnorm = '_batchnorm'
info_fixed = '_encfixed' if self.fixed_enc == 1 else '_prefixed' if self.fixed_enc == 2 else ''
info_model = 'tiunet'
info = f'10lamb_kfold_pretrained{info_fixed}{info_batchnorm}/{info_model}_d{1}_k{k}_ifold{i_fold}'
folder = os.path.join('/scratch/lameeus/data/ghent_altar/net_weight',
info)
n.load(folder=folder, epoch=epoch)
return n
def main():
"""
:return:
"""
### Settings
k_range = range(2, 30 + 1)
# k_range = [10,11]
fold_range = range(6)
# fold_range = [0, 1]
epoch_range = range(1, 40 + 1)
# epoch_range = [39, 40]
filename_single = f'tiunet_10lamb_kfold_single'
filename_avg_pred =f'tiunet_10lamb_kfold_avgpred'
if os.name == 'nt': # windows laptop
folder_weights = 'C:/Users/Laurens_laptop_w/data'
folder_save = 'C:/Users/Laurens_laptop_w/data/ghent_altar/dataframes'
else:
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight'
folder_save = '/home/lameeus/data/ghent_altar/dataframes'
### Init
epoch_range_desc = np.sort(epoch_range)[::-1]
k_fold_train_data = get_10lamb_6patches(5) # 5 is the number of modalities
train_data_all = k_fold_train_data.get_train_data_all()
img_x = train_data_all.get_x_train()
img_x = rescale0to1(img_x)
img_y_all = train_data_all.get_y_train()
for k in k_range:
for i_fold in fold_range:
### Reinit to make sure
model = None
list_y_pred = []
train_data_i = k_fold_train_data.k_split_i(i_fold)
img_y_tr = train_data_i.get_y_train()
img_y_te = train_data_i.get_y_test()
###
lst_data_single = []
lst_data_avg_pred = []
for epoch in epoch_range_desc:
"""
Load model
"""
filepath_model = os.path.join(folder_weights, f'10lamb_kfold/ti_unet_k{k}_kfold{i_fold}/w_{epoch}.h5')
if epoch == epoch_range_desc[0]:
assert model is None
assert len(list_y_pred) == 0
model = load_model_quick(filepath_model, model)
"""
Inference
"""
n = NeuralNet(model, w_ext=10)
y_pred = n.predict(img_x)
"""
Average out predictions
"""
list_y_pred.append(y_pred)
y_avg_pred = np.mean(list_y_pred, axis=0)
"""
thresh based on GT
"""
thresh_single = optimal_test_thresh_equal_distribution(img_y_all, y_pred)
thresh_avg_pred = optimal_test_thresh_equal_distribution(img_y_all, y_avg_pred)
"""
Get scores
"""
data_single_i = {'k': k,
'i_fold': i_fold,
'epoch': epoch}
data_avg_pred_i = {'k': k,
'i_fold': i_fold,
'epoch_start': epoch,
'epoch_end': epoch_range_desc[0]}
data_single_i.update(foo_performance(img_y_te, y_pred, thresh_single))
data_avg_pred_i.update(foo_performance(img_y_te, y_avg_pred, thresh_avg_pred))
if 1:
print('single', data_single_i)
print('avg pred', data_avg_pred_i)
lst_data_single.append(data_single_i)
lst_data_avg_pred.append(data_avg_pred_i)
"""
Save data
"""
df_single = pd.DataFrame(lst_data_single)
df_avg_pred = pd.DataFrame(lst_data_avg_pred)
path_single = os.path.join(folder_save, filename_single + '.csv')
path_avg_pred = os.path.join(folder_save, filename_avg_pred + '.csv')
if os.path.exists(path_single):
df_single.to_csv(path_single, mode='a', header=False, index=False)
else:
df_single.to_csv(path_single, index=False)
if os.path.exists(path_avg_pred):
df_avg_pred.to_csv(path_avg_pred, mode='a', header=False, index=False)
else:
df_avg_pred.to_csv(path_avg_pred, index=False)
return
def main():
b_encoder_fixed = False
info_enc_fixed = '_enc_fixed'
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight/10lamb_kfold_pretrained'
folder_save = '/home/lameeus/data/ghent_altar/dataframes'
filename_single = f'pretrained_unet_10lamb_kfold_single'
filename_avg_pred = f'pretrained_unet_10lamb_kfold_avgpred'
folder_weights += info_enc_fixed if b_encoder_fixed else ''
filename_single += info_enc_fixed if b_encoder_fixed else ''
filename_avg_pred += info_enc_fixed if b_encoder_fixed else ''
fold_range = range(6)
# fold_range = [0, 1]
k = 10
epoch_range = range(1, 40 + 1)
w_ext_in = 28
k_fold_train_data = get_10lamb_6patches(5) # 5 is the number of modalities
train_data_all = k_fold_train_data.get_train_data_all()
img_x = train_data_all.get_x_train()
img_x = rescale0to1(img_x)
img_clean = img_x[..., :3]
img_y_all = train_data_all.get_y_train()
b_plot = False
for i_fold in fold_range:
print(i_fold)
img_y_te = k_fold_train_data.k_split_i(i_fold).get_y_test()
# Init for range epochs
lst_data_single = []
lst_data_avg_pred = []
list_y_pred = []
model = None
for epoch in np.sort(epoch_range)[::-1]:
filepath_model = os.path.join(
folder_weights, f'unet_enc_k{k}_ifold{i_fold}/w_{epoch}.h5')
model = load_model_quick(filepath_model, model=model)
n = NeuralNet(model, w_ext=w_ext_in)
y_pred = n.predict(img_x)
"""
Average out predictions
"""
list_y_pred.append(y_pred)
y_avg_pred = np.mean(list_y_pred, axis=0)
thresh_single = optimal_test_thresh_equal_distribution(
img_y_all, y_pred)
thresh_avg_pred = optimal_test_thresh_equal_distribution(
img_y_all, y_avg_pred)
y_pred_bin = np.greater_equal(y_pred[..., 1], thresh_single)
dict_perf = foo_performance(img_y_te, y_pred, thresh_single)
print(dict_perf)
if b_plot:
concurrent([
y_pred_bin, img_clean,
semi_transparant(img_clean, y_pred_bin),
semi_transparant(img_clean, img_y_te[..., 1].astype(bool))
])
data_single_i = {'k': k, 'i_fold': i_fold, 'epoch': epoch}
data_avg_pred_i = {
'k': k,
'i_fold': i_fold,
'epoch_start': epoch,
'epoch_end': max(epoch_range)
}
data_single_i.update(dict_perf)
data_avg_pred_i.update(
foo_performance(img_y_te, y_avg_pred, thresh_avg_pred))
lst_data_single.append(data_single_i)
lst_data_avg_pred.append(data_avg_pred_i)
df_single = pd.DataFrame(lst_data_single)
df_avg_pred = pd.DataFrame(lst_data_avg_pred)
path_single = os.path.join(folder_save, filename_single + '.csv')
path_avg_pred = os.path.join(folder_save, filename_avg_pred + '.csv')
pandas_save(path_single, df_single, append=True)
pandas_save(path_avg_pred, df_avg_pred, append=True)
return
def main():
"""
:return:
"""
### Settings
mod = 5
w_patch = 16 * 2
"""
Data (all important modalities)
"""
# folder_windows = r'C:\Users\Laurens_laptop_w\OneDrive - UGent\data\10lamb'
train_data = get_10lamb_old(mod)
img_x, img_y_tr, _, _ = get_training_data(train_data)
# Normalise the input!
img_x = rescale0to1(img_x)
"""
Train segmentation
1) reuse everything
2) fix encoder
"""
if 1:
if 1:
b_encoder_fixed = False
info_enc_fixed = '_enc_fixed' if b_encoder_fixed else ''
get_info = lambda: f'10lamb_kfold_pretrained{info_enc_fixed}/unet_enc_k{k}_ifold{i_fold}'
n_epochs = 40
k = 10
if k == 10:
epoch_w = 100
else:
raise NotImplementedError()
### Settings you don't have to change:
w_patch = 50
w_ext_in = 28
b_double = False
padding = 'valid'
# TODO flag for converting encoder to dilated conv
def get_unet_pretrained_encoder():
model_encoder = get_model_encoder()
encoder_inputs = model_encoder.input
decoder_outputs = decoder(model_encoder, f_out=2)
model_pretrained_unet = Model(encoder_inputs, decoder_outputs)
from methods.examples import compile_segm
compile_segm(model_pretrained_unet, lr=1e-4)
model_pretrained_unet.summary()
return model_pretrained_unet
"""
Train
"""
k_fold_train_data = get_10lamb_6patches(5)
for i_fold in range(6):
"""
Get a new network (not trained yet for segmentation)
"""
model_pretrained_unet = get_unet_pretrained_encoder()
n_pretrained_unet = NeuralNet(model_pretrained_unet)
"""
The data
"""
train_data_i = k_fold_train_data.k_split_i(i_fold)
info = get_info()
img_y_tr = train_data_i.get_y_train()
img_y_te = train_data_i.get_y_test()
flow_tr = get_flow(
img_x,
img_y_tr,
w_patch=w_patch, # Comes from 10
w_ext_in=w_ext_in)
flow_te = get_flow(
img_x,
img_y_te,
w_patch=w_patch, # Comes from 10
w_ext_in=w_ext_in)
n_pretrained_unet.train(flow_tr,
flow_te,
epochs=n_epochs,
verbose=1,
info=info)
"""
Prediction
"""
n_pretrained_unet.w_ext = w_ext_in
y_pred = n_pretrained_unet.predict(img_x)
concurrent([y_pred[..., 1]])
"""
Classification
"""
if 1:
im_clean = img_x[..., :3]
k = 8
i_fold = 3
epoch_last = 40
from methods.examples import kappa_loss, weighted_categorical_crossentropy
from performance.metrics import accuracy_with0, jaccard_with0
loss = weighted_categorical_crossentropy((1, 1))
list_y_pred = []
### K fold validation
k_fold_train_data = get_10lamb_6patches(5)
train_data_i = k_fold_train_data.k_split_i(i_fold)
img_y_tr = train_data_i.get_y_train()
img_y_te = train_data_i.get_y_test()
for epoch in np.arange(31, epoch_last + 1):
filepath_model = f'/scratch/lameeus/data/ghent_altar/net_weight/10lamb_kfold/ti_unet_k{k}_kfold{i_fold}/w_{epoch}.h5'
model = load_model(filepath_model,
custom_objects={
'loss': loss,
'accuracy_with0': accuracy_with0,
'jaccard_with0': jaccard_with0,
'kappa_loss': kappa_loss
})
n = NeuralNet(model, w_ext=10)
y_pred = n.predict(img_x)
list_y_pred.append(y_pred)
y_pred_mean = np.mean(list_y_pred, axis=0)
q1 = y_pred_mean[..., 1]
concurrent([q1, q1.round(), im_clean])
"""
Optimal threshold (making conf matrix symmetric, not based on maximising kappa)
"""
y_gt = np.any([img_y_tr, img_y_te], axis=0)
from performance.testing import _get_scores, filter_non_zero
def foo_performance(y_true, y_pred, thresh):
# is basically argmax
y_pred_thresh_arg = np.greater_equal(y_pred[..., 1], thresh)
y_true_flat, y_pred_thresh_arg_flat = filter_non_zero(
y_true, y_pred_thresh_arg)
y_te_argmax = np.argmax(y_true_flat, axis=-1)
# Kappa
return _get_scores(y_te_argmax, y_pred_thresh_arg_flat)[-1]
"""
1. BEST? PERFORMANCE based on test set
"""
print('1. Test distribution optimization')
thresh = optimal_test_thresh_equal_distribution(img_y_te, y_pred_mean)
q1_thresh = np.greater_equal(q1, thresh)
concurrent([q1, q1_thresh, im_clean])
print(f'thresh: {thresh}')
# Test, train, both
print('Kappa performance:')
print('\ttrain:', foo_performance(img_y_tr, y_pred_mean, thresh))
print('\ttestset:', foo_performance(img_y_te, y_pred_mean, thresh))
print('\tboth:', foo_performance(y_gt, y_pred_mean, thresh))
print('\nIncremental optimization on test set')
test_thresh2 = test_thresh_incremental(y_pred_mean,
img_y_tr,
img_y_te,
n=5,
verbose=0)
print('Kappa performance:')
print('\ttrain:', foo_performance(img_y_tr, y_pred_mean, test_thresh2))
print('\ttestset:', foo_performance(img_y_te, y_pred_mean,
test_thresh2))
print('\tboth:', foo_performance(y_gt, y_pred_mean, test_thresh2))
"""
2. based on train
"""
print('\n2. Training distribution optimization')
thresh = optimal_test_thresh_equal_distribution(img_y_tr, y_pred_mean)
q1_thresh = np.greater_equal(q1, thresh)
concurrent([q1, q1_thresh, im_clean])
print(f'thresh: {thresh}')
# Test, train, both
print('Kappa performance:')
print('\ttrain:', foo_performance(img_y_tr, y_pred_mean, thresh))
print('\ttestset:', foo_performance(img_y_te, y_pred_mean, thresh))
print('\tboth:', foo_performance(y_gt, y_pred_mean, thresh))
"""
3. CONSISTENT: based on train+set
"""
print('\n3. all GT distribution optimization')
thresh = optimal_test_thresh_equal_distribution(y_gt, y_pred_mean)
q1_thresh = np.greater_equal(q1, thresh)
concurrent([q1, q1_thresh, im_clean])
print(f'thresh: {thresh}')
# Test, train, both
print('Kappa performance:')
print('\ttrain:', foo_performance(img_y_tr, y_pred_mean, thresh))
print('\ttestset:', foo_performance(img_y_te, y_pred_mean, thresh))
print('\tboth:', foo_performance(y_gt, y_pred_mean, thresh))
if 0:
"""
4. DUMB/Not needed: Based on prediction of whole panel
"""
thresh = optimal_test_thresh_equal_distribution(y_gt,
y_pred_mean,
mask_true=False)
q1_thresh = np.greater_equal(q1, thresh)
concurrent([q1, q1_thresh, im_clean])
print('Done')
def train_segm(self):
from figures_paper.overlay import semi_transparant
if self.fixed_enc == -2:
def get_n_model_regular(i_fold=None, k=None, epoch=None):
n_in = 9
model_tiunet = ti_unet(n_in,
filters=k,
w=self.w_patch,
ext_in=10 // 2,
batch_norm=True,
wrong_batch_norm=True)
compile_segm(model_tiunet, 1e-4)
""" TODO wrong tiunet """
n = NeuralNet(model_tiunet, w_ext=10)
info = f'10lamb_kfold/ti_unet_k{k}_kfold{i_fold}'
folder = os.path.join(
'/scratch/lameeus/data/ghent_altar/net_weight', info)
n.load(folder=folder, epoch=epoch)
return n
n_segm = get_n_model_regular(i_fold=self.i_fold,
k=self.k,
epoch=40)
elif self.fixed_enc == -1:
# No init
model_segm = self.get_tiunet_preenc(k=self.k, lr=self.lr_opt)
n_segm = NeuralNet(model_segm, w_ext=self.w_ext_in_ti)
elif self.fixed_enc in [0, 1, 2]:
# Load model
model_segm = self.get_tiunet_preenc(k=self.k, lr=self.lr_opt)
n_segm = NeuralNet(model_segm, w_ext=self.w_ext_in_ti)
# Train on set
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight'
if self.fixed_enc == 0:
folder1 = '10lamb_kfold_pretrained_batchnorm'
elif self.fixed_enc == 1:
folder1 = '10lamb_kfold_pretrained_encfixed_batchnorm'
elif self.fixed_enc == 2:
folder1 = '10lamb_kfold_pretrained_prefixed_batchnorm'
folder2 = f'{"tiunet"}_d{self.depth}_k{self.k}_ifold{self.i_fold}'
n_segm.load(os.path.join(folder_weights, folder1, folder2), 100)
elif self.fixed_enc == 3:
model_segm = self.get_tiunet_preenc(k=self.k,
lr=self.lr_opt,
set_info=f'_{self.set_nr}',
epoch_start=100)
n_segm = NeuralNet(model_segm, w_ext=self.w_ext_in_ti)
else:
NotImplementedError()
def foo(n_segm, b=0):
y_pred = n_segm.predict(self.img_x)
thresh_single = optimal_test_thresh_equal_distribution(
self.img_y_te, y_pred)
# data_single_i = {'k': self.k,
# 'i_fold': i_fold,
# 'epoch': epoch}
print(foo_performance(self.img_y_te, y_pred, thresh_single))
img_clean = self.img_x[..., :3]
concurrent([
img_clean, y_pred[..., 1], y_pred[..., 1] >= thresh_single,
semi_transparant(img_clean, y_pred[..., 1] >= thresh_single)
])
if b:
from data.datatools import imsave
folder = '/home/lameeus/data/ghent_altar/output/hierarchy/'
info_epoch = f'_epoch{n_segm.epoch}' if n_segm.epoch > 0 else ''
filename = folder + f'13_small/pred_transfer_kfoldenc{self.fixed_enc}_ifold{self.i_fold}_avg{info_epoch}.png'
imsave(filename, y_pred[..., 1])
def set_encoder_state(model, trainable=False):
assert len(model.layers) == 14
for layer in model.layers[:7]:
layer.trainable = trainable
compile_segm(model)
n_segm.epoch = 0
# Without pretraining
foo(n_segm)
# epochs
set_encoder_state(n_segm.model, trainable=False)
for _ in range(10):
n_segm.train(self.flow_tr_10, epochs=1, verbose=2)
foo(n_segm, 0)
if 0:
set_encoder_state(n_segm.model, trainable=True)
for _ in range(1):
n_segm.train(self.flow_tr_set_10, epochs=10, verbose=2)
foo(n_segm, 0)
set_encoder_state(n_segm.model, trainable=True)
for _ in range(10):
n_segm.train(self.flow_tr_set, epochs=1, verbose=2)
foo(n_segm, 0)
delimiter=';')
i_max = df['kappa'].idxmax()
k, epoch = map(int, df.iloc[i_max][['k', 'epoch']])
model_name = 'ti-unet'
folder_base = 'C:/Users/admin/Data/ghent_altar/' if os.name == 'nt' else '/scratch/lameeus/data/ghent_altar/'
path = os.path.join(
folder_base,
f'net_weight/{data}/{model_name}_d1_k{k}_n80/w_{epoch}.h5')
model = load_model_quick(path)
neural_net = NeuralNet(model, w_ext=10, norm_x=True)
# Image
from scripts.journal_paper.comparison_sh.shared import load_data
if data == '1319botright':
a = load_data("19botright", n_per_class=80)
else:
a = load_data(data, n_per_class=80)
img_x, img_y = a.get_x_train(), a.get_y_test()
y_pred = neural_net.predict(img_x)
if 1:
Evaluater(img_y, y_pred).summary()
def transfer_learning(
epoch=25, # Could check a few
b_plot=False):
d = 2 # 1, 2
img_x, img_y_val = data_lamb()
k = 10
model_name = 'ti-unet'
w_ext = 10 if d == 1 else 26
# train_data:
y_pred_lst = []
n = ['clean']
# train_data_lst = ['1319_10', '10', '1319', '1319_101319']
train_data_lst = ['10nat', '1319_10nat', '1319_10nat1319', '1319']
data_i_lst = {}
for train_data in train_data_lst:
print(train_data)
epoch_start = 50
epoch_corr = epoch + epoch_start if train_data[:5] == '1319_' else epoch
if train_data == '1319':
epoch_corr = 50
path = f'C:/Users/admin/Data/ghent_altar/net_weight/{train_data}/{model_name}_d{d}_k{k}/w_{epoch_corr}.h5'
try:
model = load_model_quick(path)
except Exception as e:
print(e)
continue
neural_net = NeuralNet(model, w_ext=w_ext, norm_x=True)
y_pred = neural_net.predict(img_x)
# baseline
data_i = _eval_func_single(img_y_val, y_pred, metric='kappa')
print(data_i)
if 0:
"""
Checking which
baseline ~ .22
i = 0: .268, Remove huge improvement ( a lot of "green" background annotated as paint loss)
i = 1: .228 Keep!
i = 2: .179 keep! Drop (keep!!
i = 3: .159 keep! Even more important
i = 4: .252 Remove (huge problem right top)
i = 5: .233 Keep, quit relevant
"""
from datasets.default_trainingsets import get_10lamb_6patches
kFoldTrainData = get_10lamb_6patches(5)
_eval_func_single(
kFoldTrainData.k_split_i(0).get_y_train(),
y_pred,
metric='kappa') # Check what is influence without!
data_i_lst[train_data] = data_i
data_i = _eval_func_single(img_y_val, y_pred, metric='jaccard')
print(data_i)
y_pred_lst.append(y_pred)
n.append(train_data)
# plt.imshow(neural_net.predict(img_x[::2,::2,:])[..., 1])
if b_plot:
concurrent([img_x[..., :3]] + [a[..., 1] for a in y_pred_lst], n)
if 0:
from figures_paper.overlay import semi_transparant
from data.datatools import imread, imsave
t = [data_i_lst[n_i]['thresh'] for n_i in train_data_lst]
p = []
for i, train_data in enumerate(train_data_lst):
b = np.greater_equal(y_pred_lst[i][..., 1], t[i])
k = semi_transparant(img_x[..., :3], b, 0)
p.append(k)
imsave(
os.path.join(
"C:/Users/admin/OneDrive - ugentbe/data/images_paper",
train_data + '.png'), k)
concurrent(p)
return data_i_lst
def train_segm(self):
folder_save = '/home/lameeus/data/ghent_altar/dataframes'
info_batchnorm = '_batchnorm' if self.batch_norm else ''
info_fixed = '_encfixed' if self.fixed_enc == 1 else '_prefixed' if self.fixed_enc == 2 else ''
info_model = 'tiunet' if self.ti else 'unet'
filename_single = f'pretrained/{info_model}_10lamb_kfold{info_fixed}{info_batchnorm}/d{self.depth}_single'
path_single = os.path.join(folder_save, filename_single + '.csv')
get_info = lambda: f'10lamb_kfold_pretrained{info_fixed}{info_batchnorm}/{info_model}_d{self.depth}_k{self.k}_ifold{i_fold}'
img_y_all = self.k_fold_train_data.get_train_data_all().get_y_train()
def get_model():
if self.ti:
model = self.get_tiunet_preenc(k=self.k, lr=self.lr_opt)
else:
model = self.get_unet_preenc(k=self.k, lr=self.lr_opt)
if self.fixed_enc == 2:
n_temp = NeuralNet(model)
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight'
folder1 = f'10lamb_kfold_pretrained{"_encfixed"}{info_batchnorm}'
folder2 = f'{info_model}_d{self.depth}_k{self.k}_ifold{i_fold}'
n_temp.load(os.path.join(folder_weights, folder1, folder2),
100)
del (n_temp)
return model
w_ext = self.w_ext_in_ti if self.ti else self.w_ext_in_ae
if not self.lr_opt:
model_segm = get_model()
find_learning_rate(model_segm, self.flow_segm, lr1=1e0)
for i_fold in range(6):
print(f'i_fold = {i_fold}')
model_segm = get_model()
n_segm = NeuralNet(model_segm, w_ext=w_ext)
train_data_i = self.k_fold_train_data.k_split_i(i_fold)
img_y_tr = train_data_i.get_y_train()
img_y_te = train_data_i.get_y_test()
flow_tr = get_flow(self.img_x,
img_y_tr,
w_patch=self.w_patch,
w_ext_in=w_ext)
flow_te = get_flow(self.img_x,
img_y_te,
w_patch=self.w_patch,
w_ext_in=w_ext)
info = get_info()
for epoch in range(self.epochs):
n_segm.train(flow_tr, flow_te, epochs=1, verbose=2, info=info)
y_pred = n_segm.predict(self.img_x)
thresh_single = optimal_test_thresh_equal_distribution(
img_y_all, y_pred)
data_single_i = {'k': self.k, 'i_fold': i_fold, 'epoch': epoch}
data_single_i.update(
foo_performance(img_y_te, y_pred, thresh_single))
lst_data_single = [data_single_i]
df_single = pd.DataFrame(lst_data_single)
pandas_save(path_single, df_single, append=True)
return
def main():
### Settings
mod=5
panel_nr = 19
i_start ,i_end = 1, epochs_tot
# i_start ,i_end = 1, 2
k_lst = np.arange(1, 21)
# k_lst = [1, 2]
verbose=0
b_plot = False
###
if panel_nr == 13:
train_data = get_13botleftshuang(mod=mod)
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight/lamb_segmentation'
elif panel_nr == 19:
train_data = get_19SE_shuang(mod=mod)
folder_weights = '/scratch/lameeus/data/ghent_altar/net_weight/19_hand_SE'
else:
raise ValueError(panel_nr)
x, y_tr, _, y_te = get_training_data(train_data)
(y_tr, y_te) = map(batch2img, (y_tr, y_te))
assert i_end >= i_start
if b_plot:
# plotting
pred_lst = []
info_lst = []
lst_data = []
lst_data_avg_pred = []
for k in k_lst:
model = None
pred_lst = []
for epoch in np.arange(i_start, i_end + 1)[::-1]:
info = f'settings: k {k}; epoch {epoch}'
print('\n\t'+info)
filepath_model = os.path.join(folder_weights, f'ti_unet_k{k}_imbalanced/w_{epoch}.h5')
if epoch == i_end:
model = load_model(filepath_model, custom_objects={'loss': loss,
'accuracy_with0': accuracy_with0,
'jaccard_with0': jaccard_with0,
'kappa_loss': kappa_loss
})
else:
model.load_weights(filepath_model)
n = NeuralNet(model, w_ext=10)
y_pred = n.predict(x)
o = y_pred[..., 1]
pred_lst.append(o)
def print_conf(y_true, y_pred):
y_true = batch2img(y_true)
y_pred = batch2img(y_pred)
b_annot = np.sum(y_true, axis=-1).astype(bool)
y_true_annot = y_true[b_annot, :].argmax(axis=-1)
y_pred_annot = y_pred[b_annot, :].argmax(axis=-1)
"""
T0; predicted 1, but is 0
predicted 0, but is 1; T1
"""
conf_mat = confusion_matrix(y_true_annot, y_pred_annot)
print(conf_mat)
if 1: # Single prediction
if verbose == 1:
print_conf(y_tr, y_pred)
print_conf(y_te, y_pred)
if b_plot:
pred_lst.append(o)
info_lst.append(info)
test_thresh = test_thresh_incremental(y_pred, y_tr, y_te, n=5, verbose=0)
pred_thresh = np.greater_equal(o, test_thresh)
pred_thresh_bin = np.stack([1-pred_thresh, pred_thresh], axis=-1)
y_te_flat, y_pred_flat = filter_non_zero(y_te, pred_thresh_bin)
y_te_argmax = np.argmax(y_te_flat, axis=-1)
y_pred_argmax = np.argmax(y_pred_flat, axis=-1)
acc, jacc, kappa = _get_scores(y_te_argmax, y_pred_argmax)
if verbose == 1:
print_conf(y_tr, pred_thresh_bin)
print_conf(y_te, pred_thresh_bin)
if 0: concurrent([pred_thresh])
data_i = {'k':k,
'epoch':epoch,
'test_thresh':test_thresh,
'kappa':kappa,
'accuracy':acc,
'jaccard':jacc
}
lst_data.append(data_i)
if 1: # avg prediction
pred_i_average = np.mean(pred_lst, axis=0)
# optimizing threshold prediction
test_thresh = test_thresh_incremental(np.stack([1 - pred_i_average, pred_i_average], axis=-1), y_tr, y_te, n=5,
verbose=0)
pred_thresh = np.greater_equal(pred_i_average, test_thresh)
pred_thresh_bin = np.stack([1 - pred_thresh, pred_thresh], axis=-1)
y_te_flat, y_pred_flat = filter_non_zero(y_te, pred_thresh_bin)
y_te_argmax = np.argmax(y_te_flat, axis=-1)
y_pred_argmax = np.argmax(y_pred_flat, axis=-1)
acc, jacc, kappa = _get_scores(y_te_argmax, y_pred_argmax)
data_i = {'k': k,
'epoch_start': epoch,
'test_thresh': test_thresh,
'kappa': kappa,
'accuracy': acc,
'jaccard': jacc
}
lst_data_avg_pred.append(data_i)
b = True
if b:
df = pd.DataFrame(lst_data)
filename_save = f'tiunet_1pool_shaoguang{panel_nr}_imbalanced'
filename_path = f'/scratch/lameeus/data/ghent_altar/dataframes/{filename_save}.csv'
df.to_csv(filename_path, sep=';')
df = pd.DataFrame(lst_data_avg_pred)
filename_save = f'tiunet_1pool_shaoguang{panel_nr}_imbalanced_averaging'
df.to_csv(f'/scratch/lameeus/data/ghent_altar/dataframes/{filename_save}.csv', sep=';')
if b_plot:
concurrent(pred_lst, info_lst)
plt.show()
return