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receptive.py
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receptive.py
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import numpy as np
import sklearn
import pandas as pd
import sys
from classifiers.inception import Classifier_INCEPTION
import subprocess
import tensorflow as tf
from keras.backend.tensorflow_backend import set_session
config = tf.ConfigProto()
config.gpu_options.per_process_gpu_memory_fraction = 0.2
set_session(tf.Session(config=config))
from utils.utils import transform_labels
from utils.utils import create_synthetic_dataset
from utils.utils import create_directory
from utils.utils import check_if_file_exits
from utils.utils import generate_array_of_colors
import matplotlib
import matplotlib.pyplot as plt
root_dir = '/b/home/uha/hfawaz-datas/temp-dl-tsc/'
root_output_directory = root_dir + 'receptive-field/exp/'
root_output_directory_df = root_dir + 'receptive-field/'
create_directory(root_output_directory_df)
BATCH_SIZE = 128
NB_EPOCHS = 500
pattern_lens = [[0.1]]
pattern_poss = [[0.1, 0.65]]
# uncomment the following to experiment with the number of classes in a dataset
# pattern_poss = [
# [0.1, 0.65],
# [0.1, 0.3, 0.65],
# [0.1, 0.3, 0.5, 0.65],
# [0.1, 0.3, 0.5, 0.7, 0.9],
# [0.1, 0.2, 0.3, 0.4, 0.5, 0.65],
# [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7],
# [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8],
# [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9]
# ]
kernel_sizes = np.arange(start=6, stop=15, step=2 * 4) # default 41
depths = np.arange(start=1, stop=10, step=1) # default 6
filters_s = [1 * (2 ** i) for i in range(8)] # default 32
ts_lens = [16 * (2 ** i) for i in range(7)] # default 256
ts_ns = [6 * (2 ** i) for i in range(8)] # default 128
use_residuals = [True, False] # default true
use_bottlenecks = [True, False] # default true
def convert_to_float(s):
s = s.split('_')[0]
return float(s)
subprocess.call(['./receptive_field_remove_non_completed.sh'],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
if len(sys.argv) == 1:
matplotlib.use('agg')
out_df = root_output_directory_df + 'df_res_sub_0.csv'
idx_out = 1
while check_if_file_exits(out_df):
out_df = root_output_directory_df + 'df_res_sub_' + str(idx_out) + '.csv'
idx_out += 1
columns = ['pattern_len', 'pattern_pos', 'ts_len', 'ts_n', 'nb_classes',
'filters', 'kernel_size', 'depth', 'use_residual', 'use_bottleneck', 'accuracy']
df_results = pd.DataFrame(index=[], columns=columns)
df_results.to_csv(out_df)
curr_idx = 0
for pattern_len_ in pattern_lens:
for pattern_pos in pattern_poss:
pattern_len = pattern_len_
nb_classes = len(pattern_len) * len(pattern_pos)
for ts_len in ts_lens:
for ts_n in ts_ns:
x_train, y_train, x_test, y_test = create_synthetic_dataset(pattern_len=pattern_len,
pattern_pos=pattern_pos,
ts_len=ts_len, ts_n=ts_n)
# make the min to zero of labels
y_train, y_test = transform_labels(y_train, y_test)
# save orignal y because later we will use binary
# 保存原始y，因为稍后我们将使用二进制
y_true = y_test.astype(np.int64)
y_true_train = y_train.astype(np.int64)
# transform the labels from integers to one hot vectors
# 将标签从整数转换为 one hot vectors
enc = sklearn.preprocessing.OneHotEncoder()
enc.fit(np.concatenate((y_train, y_test), axis=0).reshape(-1, 1))
y_train = enc.transform(y_train.reshape(-1, 1)).toarray()
y_test = enc.transform(y_test.reshape(-1, 1)).toarray()
if len(x_train.shape) == 2:
# if uni-variate add a dimension to make it multivariate with one dimension
x_train = x_train.reshape((x_train.shape[0], x_train.shape[1], 1))
x_test = x_test.reshape((x_test.shape[0], x_test.shape[1], 1))
input_shape = x_train.shape[1:]
for kernel_size in kernel_sizes:
for depth in depths:
for filters in filters_s:
for use_residual in use_residuals:
for use_bottleneck in use_bottlenecks:
output_directory = root_output_directory + 'pattern_len_' + ''.join(
[str(e) + '_' for e in pattern_len]) + '/'
output_directory = output_directory + 'pattern_pos_' + ''.join(
[str(e) + '_' for e in pattern_pos]) + '/'
output_directory = output_directory + 'ts_len_' + str(ts_len) + '/'
output_directory = output_directory + 'ts_n_' + str(ts_n) + '/'
output_directory = output_directory + 'nb_classes_' + str(nb_classes) + '/'
output_directory = output_directory + 'filters_' + str(filters) + '/'
output_directory = output_directory + 'kernel_size_' + str(kernel_size) + '/'
output_directory = output_directory + 'depth_' + str(depth) + '/'
output_directory = output_directory + 'use_residual_' + str(use_residual) + '/'
output_directory = output_directory + 'use_bottleneck_' + str(
use_bottleneck) + '/'
test_dir = create_directory(output_directory)
if test_dir is None:
# job already done / is being done
continue
# create the classifier
clf = Classifier_INCEPTION(output_directory, input_shape, nb_classes,
nb_filters=filters, use_residual=use_residual,
use_bottleneck=use_bottleneck, depth=depth,
kernel_size=int(kernel_size), verbose=False,
batch_size=BATCH_SIZE, nb_epochs=NB_EPOCHS)
# train
df_metrics = clf.fit(x_train, y_train, x_test, y_test, y_true)
acc = df_metrics['accuracy'].values[0]
df_results.loc[curr_idx] = [''.join([str(e) + '_' for e in pattern_len]),
''.join([str(e) + '_' for e in pattern_pos]),
ts_len, ts_n,
nb_classes,
filters, kernel_size, depth, use_residual,
use_bottleneck,
acc]
curr_idx += 1
df_results.to_csv(out_df)
print('DONE')
elif sys.argv[1] == 'plot_results':
matplotlib.use('pdf')
plot_3d = False
# read results
df_results = pd.read_csv(root_output_directory_df + 'df_res_sub_0.csv', index_col=0)
out_df = root_output_directory_df + 'df_res_sub_1.csv'
out_df_idx = 2
while check_if_file_exits(out_df):
df_results_temp = pd.read_csv(out_df, index_col=0)
df_results = pd.concat([df_results, df_results_temp], sort=True)
out_df = root_output_directory_df + 'df_res_sub_' + str(out_df_idx) + '.csv'
out_df_idx += 1
df_results.reset_index(inplace=True)
split_ons = ['use_bottleneck', 'use_residual', 'ts_n',
'filters', 'nb_classes']
split_values = [True, True, 128, 32, 2]
x_label = 'ts_len'
y_label = 'RF'
z_label = 'accuracy'
# add the receptive field value
df_results['RF'] = (df_results['kernel_size'] - 1) * df_results['depth'] + 1
curr_df = df_results
for i in range(len(split_values)):
split_on = split_ons[i]
split_value = split_values[i]
curr_df = curr_df.loc[df_results[split_on] == split_value]
x_labels = pd.unique(curr_df[x_label])
colors = generate_array_of_colors(len(x_labels))
fig = plt.figure()
i = 0
for xx in x_labels:
curr_df_p = curr_df.loc[curr_df[x_label] == xx].sort_values([y_label])
ts = pd.Series(index=curr_df_p[y_label], data=curr_df_p[z_label].values)
ts = ts.rolling(window=3, min_periods=1).mean()
ts.plot(color=colors[i], label=x_label + str(xx))
i += 1
plt.xlabel(y_label)
plt.ylabel(z_label)
plt.legend(loc='best')
plt.savefig(root_output_directory_df + 'out.pdf')
plt.close()