def __str__(self):
# ====== get all attrs ====== #
all_attrs = dir(self)
print_attrs = {}
for name in all_attrs:
if '_' != name[0] and (len(name) >= 2 and '__' != name[:2]) and\
name not in ('nb_desc'):
attr = getattr(self, name)
if name == 'data_idx':
print_attrs[name] = str(attr)
elif isinstance(attr, slice):
print_attrs[name] = str(attr)
elif inspect.isfunction(attr):
print_attrs[name] = "(f)" + attr.__name__
elif isinstance(attr, np.ndarray):
print_attrs[name] = ("(%s)" % str(attr.dtype)) + \
str(attr.shape)
elif isinstance(attr, (tuple, list)):
print_attrs[name] = "(list)" + str(len(attr))
elif isinstance(attr, Mapping):
print_attrs[name] = "(map)" + str(len(attr))
elif is_primitives(attr):
print_attrs[name] = str(attr)
print_attrs = sorted(print_attrs.items(), key=lambda x: x[0])
print_attrs = [('#desc', self.nb_desc)] + print_attrs
print_attrs = ' '.join(["%s:%s" % (ctext(key, 'yellow'), val)
for key, val in print_attrs])
# ====== format the output ====== #
s = '<%s %s>' % (ctext(self.__class__.__name__, 'cyan'), print_attrs)
return s
def logger(title, tag, check):
check = bool(check)
text_color = 'yellow' if check else 'red'
print(ctext(' *', 'cyan'),
ctext(str(title), text_color),
ctext(str(tag), 'magenta'),
ctext("✓", text_color) if check else ctext("✗", text_color))
def evaluate_prediction(name_list, y_pred, y_true, title):
def _report(y_p, y_t, pad=''):
with catch_warnings_ignore(Warning):
z_ = np.concatenate(y_p, axis=0)
z = np.concatenate(y_t, axis=0)
print(pad, '*** %s ***' % ctext('Frame-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z, y_pred=z_, labels=labels))
print(pad, "Accuracy:", accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
z_ = np.concatenate([np.mean(i, axis=0, keepdims=True) for i in y_p],
axis=0)
z = np.array([i[0] for i in y_t])
print(pad, '*** %s ***' % ctext('Utterance-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z, y_pred=z_, labels=labels))
print(pad, "Accuracy:", accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
datasets_2_samples = defaultdict(list)
for name, y_p, y_t in zip(name_list, y_pred, y_true):
dsname = ds['dsname'][name]
datasets_2_samples[dsname].append((name, y_p, y_t))
print('=' * 12, ctext(title, 'lightyellow'), '=' * 12)
_report(y_p=y_pred, y_t=y_true)
for dsname, data in sorted(datasets_2_samples.items(),
key=lambda x: x[0]):
print(ctext(dsname, 'yellow'), ':')
y_pred = [i[1] for i in data]
y_true = [i[2] for i in data]
_report(y_p=y_pred, y_t=y_true, pad=' ')
def __call__(self, x=None, out_dim=None, n_eventdim=0, **kwargs):
n_eventdim = int(n_eventdim)
if x is not None:
x = tf.convert_to_tensor(x)
if out_dim is not None:
out_dim = int(out_dim)
print_log = self._print_log
padding = self._padding
if print_log:
print(padding + ctext("Parsing distribution:", 'lightyellow'),
'%s/%s' % (ctext(self.normalized_name, 'lightcyan'),
ctext(self.distribution.__name__, 'cyan')))
args = {}
for p_name, p_val in self.get_ordered_arguments():
if print_log:
print(padding + " Parsing parameter:", ctext(p_name, 'cyan'))
p_val = _parse_parameter(x, out_dim,
p_name, p_val,
print_log=print_log,
padding=padding,
**kwargs)
args[p_name] = p_val
dist = self.distribution(**args)
if n_eventdim > 0:
dist = tfd.Independent(distribution=dist,
reinterpreted_batch_ndims=n_eventdim)
if print_log:
print(' Distribution:', ctext(dist, 'cyan'))
self._print_log = False
self._padding = ''
return dist
def __str__(self):
return "<Task:'%s' p:%s bs:%s #ep:%s/%s #it:%s/%s #n:%s/%s %s>" % \
(ctext(self.name, 'lightyellow'),
ctext(self.probability, 'cyan'),
ctext(self.batch_size, 'cyan'),
ctext(self.curr_epoch, 'lightcyan'), ctext(self.nb_epoch, 'cyan'),
ctext(self.curr_epoch_iter, 'lightcyan'), ctext(self.curr_iter, 'cyan'),
ctext(self.curr_epoch_samples, 'lightcyan'), ctext(self.curr_samples, 'cyan'),
','.join([ctext(i.__class__.__name__, 'cyan')
for i in self._callback._callbacks]))
def __str__(self):
s = ["Distribution: %s/%s" % (ctext(self.normalized_name, 'lightcyan'),
ctext(self.distribution.__name__, 'cyan'))]
for name, val in self.get_ordered_arguments():
if isinstance(val, DistributionDescription):
s.append(' %s: ' % name)
s.append('\n'.join([' ' + line for line in str(val).split('\n')]))
else:
s.append(' %s: %s' % (name, ctext(val, 'cyan')))
return '\n'.join(s)
def get_model_path(system_name, logging=True):
"""
Parameters
----------
args_name : list of string
list of name for parsed argument, taken into account for creating
model name
Return
------
exp_dir, model_path, log_path
"""
args_name = []
if system_name == 'xvec':
args_name += ['utt', 'seq']
elif system_name == 'ivec':
args_name += ['nmix', 'tdim']
else:
raise ValueError("No support for system with name: %s" % system_name)
args_name += ['mindur', 'minutt']
# ====== base system and feature identity ====== #
name = str(system_name).lower()
name += '_' + FEATURE_RECIPE.replace('_', '')
name += '.' + FEATURE_NAME
# ====== concat the attributes ====== #
attributes = []
for i in [str(i) for i in args_name]:
attributes.append(str(getattr(_args, i)))
attributes = '_'.join(attributes)
name += '.' + attributes
# ====== check the exclude dataset ====== #
excluded_dataset = str(_args.exclude).strip()
if len(excluded_dataset) > 0:
dataset_str = []
for excluded in sorted(set(excluded_dataset.split(','))):
assert excluded in sre_file_list or excluded == 'noise', \
"Unknown excluded dataset with name: '%s'" % excluded
dataset_str.append(excluded)
dataset_str = '_'.join(dataset_str)
name += '.' + dataset_str
# ====== check save_path ====== #
save_path = os.path.join(EXP_DIR, name)
if os.path.exists(save_path) and IS_OVERRIDE:
print("Override path:", ctext(save_path, 'yellow'))
shutil.rmtree(save_path)
if not os.path.exists(save_path):
os.mkdir(save_path)
# ====== return path ====== #
log_path = get_logpath(name='log.txt', increasing=True,
odin_base=False, root=save_path)
model_path = os.path.join(save_path, 'model.ai')
if bool(logging):
print("Model path:", ctext(model_path, 'cyan'))
print("Log path:", ctext(log_path, 'cyan'))
return save_path, model_path, log_path
def dataset_statistics(dsname):
ids = {name: (start, end)
for name, (start, end) in indices.items()
if ds['dsname'][name] == dsname}
name2spk = {name: ds['spkid'][name]
for name in ids.keys()}
s = []
s.append('=' * 12 + ctext('%-12s' % dsname, 'lightyellow') + '=' * 12)
s.append('#Files :' + ctext(len(ids), 'cyan'))
s.append("#Speakers:" + ctext(len(set(name2spk.values())), 'cyan'))
# ====== mean and std ====== #
sum1 = 0.
sum2 = 0.
n = 0
spk_sum1 = defaultdict(float)
spk_sum2 = defaultdict(float)
spk_n = defaultdict(int)
for name, (start, end) in ids.items():
spkid = name2spk[name]
n += end - start; spk_n[spkid] += end - start
x = X[start:end][:].astype('float64')
s1 = np.sum(x, axis=0); s2 = np.sum(x**2, axis=0)
sum1 += s1; sum2 += s2
spk_sum1[spkid] += s1; spk_sum2[spkid] += s2
data_mean = sum1 / n
data_std = np.sqrt(sum2 / n - data_mean ** 2)
spk_stats = {}
for spkid in name2spk.values():
n = spk_n[spkid]
s1, s2 = spk_sum1[spkid], spk_sum2[spkid]
mean = s1 / n
std = np.sqrt(s2 / n - mean ** 2)
spk_stats[spkid] = (mean, std)
spk_mean = np.concatenate([x[0][None, :] for x in spk_stats.values()],
axis=0).mean(0)
spk_std = np.concatenate([x[1][None, :] for x in spk_stats.values()],
axis=0).mean(0)
# ====== utterances length ====== #
all_length = np.array([(end - start) * Config.STEP_LENGTH
for start, end in indices.values()])
# ====== speaker - utterance relation ====== #
nutt_per_spk = defaultdict(int)
dur_per_spk = defaultdict(list)
for name, (start, end) in ids.items():
spkid = name2spk[name]
nutt_per_spk[spkid] += 1
dur_per_spk[spkid].append((end - start) * Config.STEP_LENGTH)
all_spk = sorted(nutt_per_spk.keys())
spk_df = pd.DataFrame(data={'nutt_per_spk': [nutt_per_spk[spk] for spk in all_spk],
'sum_per_spk': [np.sum(dur_per_spk[spk]) for spk in all_spk],
'mean_per_spk': [np.mean(dur_per_spk[spk]) for spk in all_spk],
})
return dsname, '\n'.join(s), (all_length, spk_df), (data_mean, data_std), (spk_mean, spk_std)
def __str__(self):
name = ctext('IndexedData', 'cyan')
s = '<%s: Indices(type:"%s" length:%d)>\n' % \
(name, self.indices_info[0], len(self.indices))
for dat in self.data:
s += ' (%s)%s: %s %s\n' % \
(dat.__class__.__name__,
ctext(str(dat.data_info), 'yellow'),
dat.shape,
str(dat.dtype))
return s[:-1]
def prepare_ivec_data(recipe, feat):
ds = F.Dataset(os.path.join(PATH_ACOUSTIC_FEAT, recipe),
read_only=True)
X = ds[feat]
train_indices = {name: ds['indices'][name]
for name in TRAIN_DATA.keys()}
test_indices = {name: start_end
for name, start_end in ds['indices'].items()
if name not in TRAIN_DATA}
print("#Train files:", ctext(len(train_indices), 'cyan'))
print("#Test files:", ctext(len(test_indices), 'cyan'))
return X, train_indices, test_indices
def __str__(self):
if self.is_fitted:
explained_vars = ';'.join([ctext('%.2f' % i, 'cyan')
for i in self.explained_variance_ratio_[:8]])
else:
explained_vars = 0
s = '%s(batch_size=%s, #components=%s, #samples=%s, vars=%s)' % \
(ctext('MiniBatchPCA', 'yellow'),
ctext(self.batch_size, 'cyan'),
ctext(self.n_components, 'cyan'),
ctext(self.n_samples_seen_, 'cyan'),
explained_vars)
return s
def _save(self, is_best):
is_best = bool(is_best)
# trigger event for callbacks
self._callback.event(TrainSignal.SAVE_BEST
if is_best else
TrainSignal.SAVE)
# ====== save the model to hard drive ====== #
if self._save_path is not None:
# serialize the best model to disk
if is_best:
final_save_path = self._save_path
N.serialize(nnops=self._save_obj, path=self._save_path,
save_variables=True, variables=self._save_variables,
binary_output=False, override=True)
# not the best model saved, just periodically saving
else:
final_save_path = self._save_path + '.%d' % self._current_checkpoint_count
N.serialize(nnops=self._save_obj,
path=final_save_path,
save_variables=True, variables=self._save_variables,
binary_output=False, override=True)
self._current_checkpoint_count += 1
if self._checkpoint_max > 1 and self._current_checkpoint_count > self._checkpoint_max:
shutil.rmtree(
self._save_path + '.%d' %
(self._current_checkpoint_count - self._checkpoint_max - 1))
# print the log
self._show_noti("[%s] Creating %scheckpoint at: %s" %
(ctext('MainLoop', 'red'),
ctext('[best]', 'yellow') if is_best else '',
final_save_path))
# save history
if self._save_history:
with open(final_save_path + '.hist', 'wb') as f:
pickle.dump(self.history, f)
self._show_noti("[%s] Save history at: %s" %
(ctext('MainLoop', 'red'),
final_save_path + '.hist'))
# ====== store the object directly in RAM (only for the best) ====== #
elif bool(is_best) and \
(self._save_obj is not None or len(self._save_variables) > 0):
del self._best_object
self._best_object = N.serialize(
self._save_obj, path=None, save_variables=True,
variables=self._save_variables, binary_output=True)
mem_size = sum(len(v) for k, v in self._best_object.items()) / 1024 / 1024
self._show_noti(
"[%s] Creating dynamic checkpoint in RAM using %.2f (megabytes)" %
(ctext('MainLoop', 'red'), mem_size))
def summary_indices(ids):
datasets = defaultdict(int)
speakers = defaultdict(list)
text = ''
for name in sorted(ids.keys()):
text += name + str(ids[name])
dsname = ds['dsname'][name]
datasets[dsname] += 1
speakers[dsname].append(ds['spkid'][name])
for dsname in sorted(datasets.keys()):
print(' %-18s: %s(utt) %s(spk)' % (
dsname,
ctext('%6d' % datasets[dsname], 'cyan'),
ctext(len(set(speakers[dsname])), 'cyan')))
print(' MD5 checksum:', ctext(crypto.md5_checksum(text), 'lightcyan'))
def _parse_parameter(x, out_dim,
name, info,
print_log, padding,
**kwargs):
# ====== parsing distribution ====== #
if isinstance(info, DistributionDescription):
if print_log:
print(padding + " Info:", 'DistributionDescription')
y = info.set_print_log(print_log
).set_padding_log(' '
)(x, out_dim, **kwargs)
# ====== parsing network ====== #
elif isinstance(info, dict):
if print_log:
print(padding + " Info:", str(info))
y = _network(x, out_dim, name, info, print_log, padding)
y = _support(y, info, print_log, padding, **kwargs)
y = _activate(y, info, print_log, padding, **kwargs)
# ====== just tensor ====== #
else:
if print_log:
print(padding + " Info:", 'Tensor')
y = tf.convert_to_tensor(info)
if print_log:
print(padding + " Output:", ctext(y, 'cyan'))
return y
def _report(y_p, y_t, pad=''):
with catch_warnings_ignore(Warning):
z_ = np.concatenate(y_p, axis=0)
z = np.concatenate(y_t, axis=0)
print(pad, '*** %s ***' % ctext('Frame-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z, y_pred=z_, labels=labels))
print(pad, "Accuracy:", accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
z_ = np.concatenate([np.mean(i, axis=0, keepdims=True) for i in y_p],
axis=0)
z = np.array([i[0] for i in y_t])
print(pad, '*** %s ***' % ctext('Utterance-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z, y_pred=z_, labels=labels))
print(pad, "Accuracy:", accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
def validate_features_dataset(output_dataset_path, ds_validation_path):
ds = F.Dataset(output_dataset_path, read_only=True)
print(ds)
features = {}
for key, val in ds.items():
if 'indices_' in key:
name = key.split('_')[-1]
features[name] = (val, ds[name])
all_indices = [val[0] for val in features.values()]
# ====== sampling 250 files ====== #
all_files = sampling_iter(it=all_indices[0].keys(), k=250,
seed=Config.SUPER_SEED)
all_files = [f for f in all_files
if all(f in ids for ids in all_indices)]
print("#Samples:", ctext(len(all_files), 'cyan'))
# ====== ignore the 20-figures warning ====== #
with catch_warnings_ignore(RuntimeWarning):
for file_name in all_files:
X = {}
for feat_name, (ids, data) in features.items():
start, end = ids[file_name]
X[feat_name] = data[start:end][:].astype('float32')
V.plot_multiple_features(features=X, fig_width=20,
title='[%s]%s' % (ds['dsname'][file_name], file_name))
V.plot_save(ds_validation_path, dpi=12)
def _rollback(self, is_final=False):
# TODO: update rollback mechanism
if not self._allow_rollback and not is_final:
return
# trigger event for callbacks
self._callback.event(TrainSignal.ROLLBACK)
# default rollback procedure
if self._save_path is not None and os.path.exists(self._save_path):
self._show_noti("[%s] Rollback from: %s" %
(ctext('MainLoop', 'red'), self._save_path))
# restore previous checkpoint immediately
N.deserialize(self._save_path, force_restore_vars=True)
# otherwise, load stored variables from RAM
elif self._best_object is not None:
self._show_noti("[%s] Rollback to the best stored object from RAM" %
(ctext('MainLoop', 'red')))
N.deserialize(path_or_data=self._best_object,
force_restore_vars=True)
def __str__(self):
padding = ' '
# NOTE: each element in the list is one line
s = ['========== ' +
ctext('Dataset:%s Total:%d Size:%.2f(MB)', 'magenta') %
(self.path, len(self._data_map), self.size) +
' ==========']
s += self._readme_info
s += [ctext('DATA:', 'yellow'),
'----']
# ====== Find longest string ====== #
longest_name = 0
longest_shape = 0
longest_dtype = 0
longest_file = 0
print_info = []
for name, (dtype, shape, data, path) in sorted(self._data_map.items()):
shape = data.shape if hasattr(data, 'shape') else shape
longest_name = max(len(name), longest_name)
longest_dtype = max(len(str(dtype)), longest_dtype)
longest_shape = max(len(str(shape)), longest_shape)
longest_file = max(len(str(path)), longest_file)
print_info.append([name, dtype, shape, path])
# ====== return print string ====== #
format_str = (padding + '%-' + str(longest_name + 2) + 's '
'%-' + str(longest_dtype) + 's' + ctext(':', 'yellow') +
'%-' + str(longest_shape) + 's '
'path:%-' + str(longest_file) + 's')
for name, dtype, shape, path in print_info:
s.append(format_str % ('"%s"' % name, dtype, shape, path))
# ====== add recipes info ====== #
for name, recipe in self._saved_recipes.items():
s.append(ctext('(Recipe) ', 'yellow') + '"%s"' % name)
for rcp in recipe:
rcp = str(rcp)
s.append('\n'.join([padding + line
for line in rcp.split('\n')]))
# ====== add indices info ====== #
for name, index in self._saved_indices.items():
s.append(ctext('(Index) ', 'yellow') + '"%s"' % name)
s.append(padding + str(index))
name, (start, end) = next(index.items())
s.append(padding + 'Sample: "%s %d-%d"' % (name, start, end))
return '\n'.join(s)
def get_model_path(system_name, args):
"""Return: exp_dir, model_path, log_path, train_path, test_path"""
name = '_'.join([str(system_name).lower(), args.recipe, args.feat])
if 'l' in args:
name += '_' + str(int(args.l))
if 'nmix' in args:
name += '_' + str(int(args.nmix))
if 'tdim' in args:
name += '_' + str(int(args.tdim))
save_path = os.path.join(PATH_EXP, name)
if not os.path.exists(save_path):
os.mkdir(save_path)
# ====== return path ====== #
log_path = os.path.join(save_path, 'log.txt')
model_path = os.path.join(save_path, 'model.ai')
train_path = os.path.join(save_path, 'train.dat')
test_path = os.path.join(save_path, 'test.dat')
print("Model path:", ctext(model_path, 'cyan'))
print("Log path:", ctext(log_path, 'cyan'))
return save_path, model_path, log_path, train_path, test_path
def get_exp_path(system_name, args, override=False):
""" Return: exp_dir, model_path, log_path """
exp_dir = get_exppath(tag='TIDIGITS_%s_%s_%s' %
(system_name, args.task, args.feat))
if 'nmix' in args:
exp_dir += '_%d' % args.nmix
if 'tdim' in args:
exp_dir += '_%d' % args.tdim
# ====== check override ====== #
if bool(override) and os.path.exists(exp_dir):
shutil.rmtree(exp_dir)
if not os.path.exists(exp_dir):
os.mkdir(exp_dir)
# ====== basic paths ====== #
model_path = os.path.join(exp_dir, 'model.ai')
log_path = os.path.join(exp_dir,
'log_%s.txt' % get_formatted_datetime(only_number=True))
print("Exp dir:", ctext(exp_dir, 'cyan'))
print("Model path:", ctext(model_path, 'cyan'))
print("Log path:", ctext(log_path, 'cyan'))
return exp_dir, model_path, log_path
def _report(y_p, y_t, pad=''):
with catch_warnings_ignore(Warning):
z_ = np.concatenate(y_p, axis=0)
z = np.concatenate(y_t, axis=0)
print(pad, '*** %s ***' % ctext('Frame-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z,
y_pred=z_,
labels=labels))
print(pad, "Accuracy:",
accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
z_ = np.concatenate(
[np.mean(i, axis=0, keepdims=True) for i in y_p], axis=0)
z = np.array([i[0] for i in y_t])
print(pad, '*** %s ***' % ctext('Utterance-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z,
y_pred=z_,
labels=labels))
print(pad, "Accuracy:",
accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
def verify_dependencies():
try:
command = "SMILExtract -h"
output = subprocess.check_output(command, shell=True,
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError:
raise Exception("Can't find SMILExtract executable")
else:
m = re.search('openSMILE version (.*)', str(output, 'utf-8'),
re.MULTILINE)
if m:
opensmile_version = m.group(1)
print('Found openSMILE:', ctext(opensmile_version, 'magenta'))
def __str__(self):
padding = ' '
s = '<%s: #keys:%d #iter:%d #CPU:%s #Buffer:%d #HWM:%d mode:"%s">\n' % \
(ctext('Feeder', 'cyan'), len(self.indices_keys),
len(self._running_iter), self.ncpu, self.buffer_size,
self.hwm, self._batch_mode)
# ====== Shape and dtype ====== #
shape = self.shape # this is always list of shape
s += padding + ctext("Shape: ", 'magenta') + \
', '.join((str(s) for s in shape)) + '\n'
s += padding + ctext("Dtype: ", 'magenta') + \
', '.join((str(dt) for dt in self.dtype)) + '\n'
# ====== print recipes ====== #
s += padding + ctext('Recipes:', 'magenta') + '\n'
for recipe in self._recipes:
s += '\n'.join(['\t' + i for i in str(recipe).split('\n')])
s += '\n'
# ====== print data descriptor ====== #
s += padding + ctext('Descriptor:', 'magenta') + '\n'
for desc in self._data:
s += '\n'.join(['\t' + i for i in str(desc).split('\n')])
s += '\n'
return s[:-1]
def __str__(self):
padding = ' '
s = '<%s: #keys:%d #iter:%d #CPU:%s #Buffer:%d #HWM:%d mode:"%s">\n' % \
(ctext('Feeder', 'cyan'), len(self.indices_keys),
len(self._running_iter), self.ncpu, self.buffer_size,
self.hwm, self._batch_mode)
# ====== Shape and dtype ====== #
shape = self.shape # this is always list of shape
s += padding + ctext("Shape: ", 'magenta') + \
', '.join((str(s) for s in shape)) + '\n'
s += padding + ctext("Dtype: ", 'magenta') + \
', '.join((str(dt) for dt in self.dtype)) + '\n'
# ====== print recipes ====== #
s += padding + ctext('Recipes:', 'magenta') + '\n'
for recipe in self._recipes:
s += '\n'.join(['\t' + i for i in str(recipe).split('\n')])
s += '\n'
# ====== print data descriptor ====== #
s += padding + ctext('Descriptor:', 'magenta') + '\n'
for desc in self._data:
s += '\n'.join(['\t' + i for i in str(desc).split('\n')])
s += '\n'
return s[:-1]
def evaluate_prediction(name_list, y_pred, y_true, title):
def _report(y_p, y_t, pad=''):
with catch_warnings_ignore(Warning):
z_ = np.concatenate(y_p, axis=0)
z = np.concatenate(y_t, axis=0)
print(pad, '*** %s ***' % ctext('Frame-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z,
y_pred=z_,
labels=labels))
print(pad, "Accuracy:",
accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
z_ = np.concatenate(
[np.mean(i, axis=0, keepdims=True) for i in y_p], axis=0)
z = np.array([i[0] for i in y_t])
print(pad, '*** %s ***' % ctext('Utterance-level', 'lightcyan'))
print(pad, "#Samples:", ctext(len(z), 'cyan'))
print(pad, "Log loss:", log_loss(y_true=z,
y_pred=z_,
labels=labels))
print(pad, "Accuracy:",
accuracy_score(y_true=z, y_pred=np.argmax(z_, axis=-1)))
datasets_2_samples = defaultdict(list)
for name, y_p, y_t in zip(name_list, y_pred, y_true):
dsname = ds['dsname'][name]
datasets_2_samples[dsname].append((name, y_p, y_t))
print('=' * 12, ctext(title, 'lightyellow'), '=' * 12)
_report(y_p=y_pred, y_t=y_true)
for dsname, data in sorted(datasets_2_samples.items(), key=lambda x: x[0]):
print(ctext(dsname, 'yellow'), ':')
y_pred = [i[1] for i in data]
y_true = [i[2] for i in data]
_report(y_p=y_pred, y_t=y_true, pad=' ')
def __call__(self, x=None, out_dim=None, n_eventdim=0, **kwargs):
n_eventdim = int(n_eventdim)
if x is not None:
x = tf.convert_to_tensor(x)
if out_dim is not None:
out_dim = int(out_dim)
print_log = self._print_log
padding = self._padding
if print_log:
print(
padding + ctext("Parsing distribution:", 'lightyellow'),
'%s/%s' % (ctext(self.normalized_name, 'lightcyan'),
ctext(self.distribution.__name__, 'cyan')))
args = {}
for p_name, p_val in self.get_ordered_arguments():
if print_log:
print(padding + " Parsing parameter:", ctext(p_name, 'cyan'))
p_val = _parse_parameter(x,
out_dim,
p_name,
p_val,
print_log=print_log,
padding=padding,
**kwargs)
args[p_name] = p_val
dist = self.distribution(**args)
if n_eventdim > 0:
dist = tfd.Independent(distribution=dist,
reinterpreted_batch_ndims=n_eventdim)
if print_log:
print(' Distribution:', ctext(dist, 'cyan'))
self._print_log = False
self._padding = ''
return dist
def freqcount(x, key=None, count=1, normalize=False, sort=False,
pretty_return=False):
""" x: list, iterable
Parameters
----------
key: call-able
extract the key from each item in the list
count: call-able, int
extract the count from each item in the list
normalize: bool
if normalize, all the values are normalized from 0. to 1. (
which sum up to 1. in total).
sort: boolean
if True, the list will be sorted in ascent order.
pretty_return: boolean
if True, return pretty formatted text.
Return
------
dict: x(obj) -> freq(int)
if `pretty_return` is `True`, return pretty formatted string.
"""
freq = defaultdict(int)
if key is None:
key = lambda x: x
if count is None:
count = 1
if isinstance(count, Number):
_ = int(count)
count = lambda x: _
for i in x:
c = count(i)
i = key(i)
freq[i] += c
# always return the same order
s = float(sum(v for v in freq.values()))
freq = OrderedDict([(k, freq[k] / s if normalize else freq[k])
for k in sorted(freq.keys())])
# check sort
if sort:
freq = OrderedDict(sorted(freq.items(), key=lambda x: x[1]))
# check pretty return
if pretty_return:
s = ''
for name, value in freq.items():
s += ' %s: %d\n' % (ctext(name, 'yellow'), value)
return s
return freq
def _save_data_to_path(preprocessed_path, X, y, gene_names, label_names,
cell_names, verbose):
# save data
if verbose:
print("Saving data to %s ..." % ctext(preprocessed_path, 'cyan'))
with open(os.path.join(preprocessed_path, 'X'), 'wb') as f:
pickle.dump(X, f)
with open(os.path.join(preprocessed_path, 'y'), 'wb') as f:
pickle.dump(y, f)
# save the meta info
with open(os.path.join(preprocessed_path, 'X_row'), 'wb') as f:
pickle.dump(cell_names, f)
with open(os.path.join(preprocessed_path, 'X_col'), 'wb') as f:
pickle.dump(gene_names, f)
with open(os.path.join(preprocessed_path, 'y_col'), 'wb') as f:
pickle.dump(label_names, f)
def plot_learning_curves(self):
start_time = time.time()
fig = plt.figure(figsize=(20, len(self) * 4))
n_metrics = 5
for row_idx, pos in enumerate(self):
row_idx = row_idx * n_metrics
train = _extract_metrics(pos.train_history)
valid = _extract_metrics(pos.valid_history)
for col_idx, (name, i, j) in enumerate(
zip(['loss', 'LLK_x', 'LLK_y', 'KLqp_x', 'KLqp_y'], train,
valid)):
col_idx += 1
plt.subplot(len(self), n_metrics, row_idx + col_idx)
if col_idx == 1:
plt.title(pos.short_id_lines,
fontsize=8,
fontstyle='italic')
else:
plt.title(name)
if i is None or j is None:
plt.plot(0, 0)
plt.xticks(())
plt.yticks(())
else:
plt.plot(i,
linewidth=2.5,
label='train:%.2f' %
(np.max(i) if 'LLK' in name else np.min(i)),
linestyle='-')
plt.plot(j,
linewidth=2.5,
label='valid:%.2f' %
(np.max(j) if 'LLK' in name else np.min(j)),
linestyle='--',
alpha=0.8)
plt.legend()
plt.tight_layout()
self.add_figure('learning_curves', fig)
return self._log('plot_learning_curves %s(s)' %
ctext(time.time() - start_time, 'lightyellow'))
def summary(x, axis=None, shorten=False, float_precision=2):
""" Return string of statistical summary given series `x`
{#:%s|mi:%s|q1:%s|md:%s|mn:%s|q3:%s|ma:%s|sd:%s}
"""
if isinstance(x, Iterator):
x = list(x)
if isinstance(x, (tuple, list, set)):
x = np.array(x)
mean, std = np.mean(x, axis=axis), np.std(x, axis=axis)
median = np.median(x, axis=axis)
qu1, qu3 = np.percentile(x, [25, 75], axis=axis)
min_, max_ = np.min(x, axis=axis), np.max(x, axis=axis)
s = ""
fmt = '%.' + str(int(float_precision)) + 'f'
if not shorten:
x = x.ravel()
samples = ', '.join([
str(i) for i in np.random.choice(
x, size=min(8, len(x)), replace=False).tolist()
])
s += "***** Summary *****\n"
s += " Min : %s\n" % (fmt % min_)
s += "1st Qu. : %s\n" % (fmt % qu1)
s += " Median : %s\n" % (fmt % median)
s += " Mean : %s\n" % (fmt % mean)
s += "3rd Qu. : %s\n" % (fmt % qu3)
s += " Max : %s\n" % (fmt % max_)
s += "-------------------\n"
s += " Std : %s\n" % (fmt % std)
s += "#Samples: %d\n" % len(x)
s += "Samples : %s\n" % samples
s += "Sparsity: %s\n" % (fmt % sparsity_percentage(x))
else:
s += "{#:%s|mi:%s|q1:%s|md:%s|mn:%s|q3:%s|ma:%s|sd:%s}" %\
(ctext(len(x), 'cyan'),
ctext(fmt % min_, 'cyan'),
ctext(fmt % qu1, 'cyan'),
ctext(fmt % median, 'cyan'),
ctext(fmt % mean, 'cyan'),
ctext(fmt % qu3, 'cyan'),
ctext(fmt % max_, 'cyan'),
ctext(fmt % std, 'cyan'))
return s
def __str__(self):
s = ''
s += ctext("<Ivector ", 'yellow')
s += "GMM:%s " % self.is_gmm_fitted
s += "Tmat:%s\n" % self.is_tmat_fitted
if os.path.exists(self.path) and len(os.listdir(self.path)) > 0:
# list all model files
s += " %s: " % ctext('model', 'cyan')
s += ', '.join([
'"%s"' % f for f in sorted(os.listdir(self.path))
if 'zstat' not in f and 'fstat' not in f and 'ivec' not in f
and 'name_' not in f
])
s += '\n'
# list all Zero-stats files
s += " %s: " % ctext('Z-stats', 'cyan')
s += ', '.join([
'"%s"' % f for f in sorted(os.listdir(self.path))
if 'zstat' in f
])
s += '\n'
# list all First-stats files
s += " %s: " % ctext('F-stats', 'cyan')
s += ', '.join([
'"%s"' % f for f in sorted(os.listdir(self.path))
if 'fstat' in f
])
s += '\n'
# list all Ivec-stats files
s += " %s: " % ctext('ivec', 'cyan')
s += ', '.join([
'"%s"' % f for f in sorted(os.listdir(self.path))
if 'ivec' in f
])
s += '\n'
# list all Name path files
s += " %s: " % ctext('name-list', 'cyan')
s += ', '.join([
'"%s"' % f for f in sorted(os.listdir(self.path))
if 'name_' in f
])
s += '\n'
# list all attributes
for k, v in sorted(self.__dict__.items(), key=lambda x: x[0]):
if is_primitive(v, inc_ndarray=False):
s += " %s: %s\n" % (ctext(k, 'cyan'), str(v))
s = s[:-1] + '>'
return s
def _set_path(self, path, read_only):
MAXIMUM_README_LINE = 25
# all files are opened with default_mode=r+
self._data_map = OrderedDict()
self._path = os.path.abspath(path)
self._default_hdf5 = os.path.basename(self._path) + '_default.h5'
# svaed feeder info
self._saved_indices = {}
self._saved_recipes = {}
# just make new dir
if not os.path.exists(path):
os.mkdir(path)
os.mkdir(self.recipe_path)
os.mkdir(self.index_path)
return # not thing to do more
elif not os.path.isdir(path):
raise ValueError('Dataset path must be a folder.')
# ====== Load all Data ====== #
files = os.listdir(path)
for fname in files:
# found README
if 'readme' == fname[:6].lower():
readme_path = os.path.join(path, fname)
with open(readme_path, 'r') as readme_file:
readme = readme_file.readlines()[:MAXIMUM_README_LINE]
readme = [
' ' + i[:-1] for i in readme
if len(i) > 0 and i != '\n'
]
readme.append(' => For more information: ' + readme_path)
self._readme_info = [ctext('README:', 'yellow'), '------'
] + readme
self._readme_path = readme_path
# parse data
data = _parse_data_descriptor(os.path.join(path, fname), read_only)
if data is None:
continue
for key, d in data:
if key in self._data_map:
raise ValueError('Found duplicated data with follow info: '
'{}'.format(key))
else:
self._data_map[key] = d
def _bar_box_line(self,
title,
ylabel,
get_score,
model_id,
ax,
ignore=[],
using_bar=True):
start_time = time.time()
assert callable(model_id), "model_id must be callable"
assert callable(get_score)
data = []
for pos in self.posteriors:
name = model_id(pos.infer)
train, test = get_score(pos)
for i in ignore:
del train[i]
del test[i]
for i, j in train.items():
data.append({'Model': name, ylabel: j, 'Data': 'train'})
for i, j in test.items():
data.append({'Model': name, ylabel: j, 'Data': 'test'})
df = pd.DataFrame(data)
ax = to_axis2D(ax)
# Bar plot
if using_bar:
sns.barplot(x='Model', y=ylabel, hue='Data', data=df, ax=ax)
# Box plot
else:
sns.boxplot(x='Model', y=ylabel, hue='Data', data=df, ax=ax)
ax.grid(axis='y', linewidth=1.2, alpha=0.5)
ax.set_axisbelow(True)
self.add_figure(title, ax.get_figure())
return self._log(
'%s %s(s)' %
(title, ctext(time.time() - start_time, 'lightyellow')))
def summary(x, axis=None, shorten=False):
""" Return string of statistical summary given series `x`
{#:%s|mi:%s|q1:%s|md:%s|mn:%s|q3:%s|ma:%s|sd:%s}
"""
if isinstance(x, Iterator):
x = list(x)
if isinstance(x, (tuple, list, set)):
x = np.array(x)
mean, std = np.mean(x, axis=axis), np.std(x, axis=axis)
median = np.median(x, axis=axis)
qu1, qu3 = np.percentile(x, [25, 75], axis=axis)
min_, max_ = np.min(x, axis=axis), np.max(x, axis=axis)
s = ""
if not shorten:
x = x.ravel()
samples = ', '.join([str(i)
for i in np.random.choice(x, size=min(8, len(x)), replace=False).tolist()])
s += "***** Summary *****\n"
s += " Min : %s\n" % str(min_)
s += "1st Qu. : %s\n" % str(qu1)
s += " Median : %s\n" % str(median)
s += " Mean : %g\n" % mean
s += "3rd Qu. : %s\n" % str(qu3)
s += " Max : %s\n" % str(max_)
s += "-------------------\n"
s += " Std : %g\n" % std
s += "#Samples: %d\n" % len(x)
s += "Samples : %s\n" % samples
else:
s += "{#:%s|mi:%s|q1:%s|md:%s|mn:%s|q3:%s|ma:%s|sd:%s}" %\
(ctext(len(x), 'cyan'),
ctext('%g' % min_, 'cyan'),
ctext('%g' % qu1, 'cyan'),
ctext('%g' % median, 'cyan'),
ctext('%g' % mean, 'cyan'),
ctext('%g' % qu3, 'cyan'),
ctext('%g' % max_, 'cyan'),
ctext('%g' % std, 'cyan'))
return s
def __init__(self, path, read_only=False, override=False):
path = os.path.abspath(path)
self.read_only = read_only
self._readme_info = [ctext('README:', 'yellow'),
'------',
' No information!']
self._readme_path = None
# flag to check cPickle called with protocol 2
self._new_args_called = False
# parse all data from path
if path is not None:
if override and os.path.exists(path) and os.path.isdir(path):
shutil.rmtree(path)
print('Overrided old dataset at path:', path)
if os.path.isfile(path) and '.zip' in os.path.basename(path):
self._load_archive(path,
extract_path=path.replace(os.path.basename(path), ''))
else:
self._set_path(path, self.read_only)
else:
raise ValueError('Invalid path for Dataset: %s' % path)
def downsample_data(*X):
y = [None] * len(X)
_ = list(set(x.shape[0] for x in X if x is not None))
assert len(_) == 1, "Inconsistent shape[0] for X and y"
num_samples = _[0]
_RAND = np.random.RandomState(seed=87654321)
# ====== Downsample if the data is huge ====== #
if num_samples > 8000:
print("[Warning] Given: %s; downsample to 8000 samples" %
ctext(', '.join([str(x.shape)
for x in X if x is not None]), 'cyan'))
ids = _RAND.choice(a=np.arange(0, num_samples),
size=8000,
replace=False)
for i, x in enumerate(X):
if x is not None:
x = x[ids]
y[i] = x
else:
y = X
return tuple(y)
def __str__(self):
s = ''
s += ctext("<Ivector ", 'yellow')
s += "GMM:%s " % self.is_gmm_fitted
s += "Tmat:%s\n" % self.is_tmat_fitted
if os.path.exists(self.path) and len(os.listdir(self.path)) > 0:
# list all model files
s += " %s: " % ctext('model', 'cyan')
s += ', '.join(['"%s"' % f
for f in sorted(os.listdir(self.path))
if 'zstat' not in f and 'fstat' not in f and
'ivec' not in f and 'name_' not in f])
s += '\n'
# list all Zero-stats files
s += " %s: " % ctext('Z-stats', 'cyan')
s += ', '.join(['"%s"' % f
for f in sorted(os.listdir(self.path))
if 'zstat' in f])
s += '\n'
# list all First-stats files
s += " %s: " % ctext('F-stats', 'cyan')
s += ', '.join(['"%s"' % f
for f in sorted(os.listdir(self.path))
if 'fstat' in f])
s += '\n'
# list all Ivec-stats files
s += " %s: " % ctext('ivec', 'cyan')
s += ', '.join(['"%s"' % f
for f in sorted(os.listdir(self.path))
if 'ivec' in f])
s += '\n'
# list all Name path files
s += " %s: " % ctext('name-list', 'cyan')
s += ', '.join(['"%s"' % f
for f in sorted(os.listdir(self.path))
if 'name_' in f])
s += '\n'
# list all attributes
for k, v in sorted(self.__dict__.items(), key=lambda x: x[0]):
if is_primitives(v, inc_ndarray=False):
s += " %s: %s\n" % (ctext(k, 'cyan'), str(v))
s = s[:-1] + '>'
return s
def __init__(self, path, read_only=False, override=False):
path = os.path.abspath(path)
self.read_only = read_only
self._readme_info = [
ctext('README:', 'yellow'), '------', ' No information!'
]
self._readme_path = None
# flag to check cPickle called with protocol 2
self._new_args_called = False
# parse all data from path
if path is not None:
if override and os.path.exists(path) and os.path.isdir(path):
shutil.rmtree(path)
print('Overrided old dataset at path:', path)
if os.path.isfile(path) and '.zip' in os.path.basename(path):
self._load_archive(path,
extract_path=path.replace(
os.path.basename(path), ''))
else:
self._set_path(path, self.read_only)
else:
raise ValueError('Invalid path for Dataset: %s' % path)
def _parse_parameter(x, out_dim, name, info, print_log, padding, **kwargs):
# ====== parsing distribution ====== #
if isinstance(info, DistributionDescription):
if print_log:
print(padding + " Info:", 'DistributionDescription')
y = info.set_print_log(print_log).set_padding_log(' ')(x, out_dim,
**kwargs)
# ====== parsing network ====== #
elif isinstance(info, dict):
if print_log:
print(padding + " Info:", str(info))
y = _network(x, out_dim, name, info, print_log, padding)
y = _support(y, info, print_log, padding, **kwargs)
y = _activate(y, info, print_log, padding, **kwargs)
# ====== just tensor ====== #
else:
if print_log:
print(padding + " Info:", 'Tensor')
y = tf.convert_to_tensor(info)
if print_log:
print(padding + " Output:", ctext(y, 'cyan'))
return y
def __str__(self):
s = ctext('============= FeatureProcessor: %s =============' % self.path, 'yellow') + '\n'
padding = ' '
# ====== basic info ====== #
s += '- Jobs: ' + ctext(len(self.jobs), 'cyan') + '\n'
s += '- #CPU: ' + ctext(self.n_cpu, 'cyan') + '\n'
s += '- #Cache: ' + ctext(self.n_cache, 'cyan') + '\n'
# ====== print pipeline ====== #
s += ctext("* Pipeline:", 'yellow') + '\n'
for _, extractor in self.extractor.steps:
for line in str(extractor).split('\n'):
s += padding + ' ' + line + '\n'
# ====== print config ====== #
s += ctext("* Configurations:", 'yellow') + '\n'
for i, j in self.config.items():
s += padding + str(i) + ' : ' + str(j) + '\n'
return s
def _activate(y, info, print_log, padding, **kwargs):
fn = info.get('fn', lambda x: x)
args = []
args_name = []
for p_name, p_val in inspect.signature(fn).parameters.items():
if p_name in kwargs:
p_val = kwargs[p_name]
else:
p_val = p_val.default
args.append(p_val)
args_name.append(p_name)
args[0] = y
for a_name, a_val in zip(args_name, args):
if a_val == inspect.Parameter.empty:
raise RuntimeError("Cannot extract value for argument name: '%s'" %
a_name)
# print out log
if print_log:
print(padding + " activation: <%s>(%s)" % (fn.__name__, '; '.join(
[ctext(i, 'cyan') + ':' + str(j)
for i, j in zip(args_name, args)])))
y = fn(*args)
return y
def _activate(y, info, print_log, padding, **kwargs):
fn = info.get('fn', lambda x: x)
args = []
args_name = []
for p_name, p_val in inspect.signature(fn).parameters.items():
if p_name in kwargs:
p_val = kwargs[p_name]
else:
p_val = p_val.default
args.append(p_val)
args_name.append(p_name)
args[0] = y
for a_name, a_val in zip(args_name, args):
if a_val == inspect.Parameter.empty:
raise RuntimeError("Cannot extract value for argument name: '%s'" % a_name)
# print out log
if print_log:
print(padding + " activation: <%s>(%s)" % (
fn.__name__,
'; '.join([ctext(i, 'cyan') + ':' + str(j)
for i, j in zip(args_name, args)])))
y = fn(*args)
return y
def __str__(self):
s = ctext(
'============= FeatureProcessor: %s =============' % self.path,
'yellow') + '\n'
padding = ' '
# ====== basic info ====== #
s += '- Jobs: ' + ctext(len(self.jobs), 'cyan') + '\n'
s += '- #CPU: ' + ctext(self.n_cpu, 'cyan') + '\n'
s += '- #Cache: ' + ctext(self.n_cache, 'cyan') + '\n'
# ====== print pipeline ====== #
s += ctext("* Pipeline:", 'yellow') + '\n'
for _, extractor in self.extractor.steps:
for line in str(extractor).split('\n'):
s += padding + ' ' + line + '\n'
# ====== print config ====== #
s += ctext("* Configurations:", 'yellow') + '\n'
for i, j in self.config.items():
s += padding + str(i) + ' : ' + str(j) + '\n'
return s
ids = np.random.permutation(len(X_train))
X_train, y_train = X_train[ids], y_train[ids]
X_valid, y_valid = X_train[40000:], y_train[40000:]
X_train, y_train = X_train[:40000], y_train[:40000]
# normalize value to [0, 1]
X_train = X_train / 255.
X_valid = X_valid / 255.
X_test = X_test / 255.
print(ds)
# ====== others ====== #
X_samples, y_samples = X_train[:25], y_train[:25]
input_shape = ds['X_train'].shape
input_ndim = len(input_shape)
print("Train shape:", ctext(X_train.shape, 'cyan'))
print("Valid shape:", ctext(X_valid.shape, 'cyan'))
print("Test shape:", ctext(X_test.shape, 'cyan'))
# ====== create basic tensor ====== #
X = K.placeholder(shape=(None,) + input_shape[1:], name='X_input')
y = K.placeholder(shape=(None,), name='y_input')
# ===========================================================================
# Create the network
# ===========================================================================
LATENT_DROPOUT = 0.3
if args.cnn:
with N.args_scope(([N.Conv, N.Dense], dict(b_init=None, activation=K.linear)),
(N.BatchNorm, dict(activation=tf.nn.elu)),
(N.Pool, dict(mode='max', pool_size=2))):
f_encoder = N.Sequence([
N.Dropout(level=0.5),
def event(self, event_type):
print(ctext("[Debug] Event:", 'cyan'), event_type)
def task_end(self, task, task_results):
print(ctext("Task End:", 'cyan'),
task.name, task.curr_epoch, task.curr_samples,
[(i, [(n, len(v), type(v[0])) for n, v in j.items()])
for i, j in task_results.items()])
def task_start(self, task):
print(ctext("Task Start:", 'cyan'),
task.name, task.curr_epoch, task.curr_samples)
def epoch_end(self, task, epoch_results):
print(ctext("Epoch End:", 'cyan'),
task.name, task.curr_epoch, task.curr_samples,
[(i, len(j), type(j[0])) for i, j in epoch_results.items()])
from odin import nnet as N, backend as K
from odin import visual as V
from odin.utils import (ctext, mpi, Progbar, catch_warnings_ignore, stdio,
get_logpath, catch_warnings_ignore)
from helpers import (FEATURE_RECIPE, FEATURE_NAME, PATH_ACOUSTIC_FEATURES,
MINIMUM_UTT_DURATION, ANALYSIS_DIR, Config,
filter_utterances, prepare_dnn_data)
# ====== prepare log ====== #
stdio(
get_logpath(name="analyze_data.log",
increasing=True,
odin_base=False,
root=ANALYSIS_DIR))
print(ctext(FEATURE_RECIPE, 'lightyellow'))
print(ctext(FEATURE_NAME, 'lightyellow'))
assert os.path.isdir(os.path.join(PATH_ACOUSTIC_FEATURES, FEATURE_RECIPE))
# ====== essential path ====== #
figure_path = os.path.join(
ANALYSIS_DIR,
'%s_%s.pdf' % (FEATURE_RECIPE.replace('_', ''), FEATURE_NAME))
print(ctext(figure_path, 'lightyellow'))
# ===========================================================================
# Load the data
# ===========================================================================
ds = F.Dataset(os.path.join(PATH_ACOUSTIC_FEATURES, FEATURE_RECIPE),
read_only=True)
X = ds[FEATURE_NAME]
# remove all noise data
indices = {
def send_notification(self, msg):
if self._log:
add_notification(
'[%s] %s' % (ctext(self.__class__.__name__, 'magenta'), msg))
return self
def prepare_dnn_data(recipe, feat, utt_length, seed=87654321):
"""
Return
------
train_feeder : Feeder for training
valid_feeder : Feeder for validating
test_ids : Test indices
test_dat : Data array
all_speakers : list of all speaker in training set
"""
# Load dataset
frame_length = int(utt_length / FRAME_SHIFT)
ds = F.Dataset(os.path.join(PATH_ACOUSTIC_FEAT, recipe), read_only=True)
X = ds[feat]
train_indices = {name: ds['indices'][name] for name in TRAIN_DATA.keys()}
test_indices = {
name: start_end
for name, start_end in ds['indices'].items() if name not in TRAIN_DATA
}
train_indices, valid_indices = train_valid_test_split(x=list(
train_indices.items()),
train=0.9,
inc_test=False,
seed=seed)
all_speakers = sorted(set(TRAIN_DATA.values()))
n_speakers = max(all_speakers) + 1
print("#Train files:", ctext(len(train_indices), 'cyan'))
print("#Valid files:", ctext(len(valid_indices), 'cyan'))
print("#Test files:", ctext(len(test_indices), 'cyan'))
print("#Speakers:", ctext(n_speakers, 'cyan'))
recipes = [
F.recipes.Sequencing(frame_length=frame_length,
step_length=frame_length,
end='pad',
pad_value=0,
pad_mode='post',
data_idx=0),
F.recipes.Name2Label(lambda name: TRAIN_DATA[name], ref_idx=0),
F.recipes.LabelOneHot(nb_classes=n_speakers, data_idx=1)
]
train_feeder = F.Feeder(data_desc=F.IndexedData(data=X,
indices=train_indices),
batch_mode='batch',
ncpu=7,
buffer_size=12)
valid_feeder = F.Feeder(data_desc=F.IndexedData(data=X,
indices=valid_indices),
batch_mode='batch',
ncpu=2,
buffer_size=4)
train_feeder.set_recipes(recipes)
valid_feeder.set_recipes(recipes)
print(train_feeder)
# ====== cache the test data ====== #
cache_dat = os.path.join(PATH_EXP,
'test_%s_%d.dat' % (feat, int(utt_length)))
cache_ids = os.path.join(PATH_EXP,
'test_%s_%d.ids' % (feat, int(utt_length)))
# validate cache files
if os.path.exists(cache_ids):
with open(cache_ids, 'rb') as f:
ids = pickle.load(f)
if len(ids) != len(test_indices):
os.remove(cache_ids)
if os.path.exists(cache_dat):
os.remove(cache_dat)
elif os.path.exists(cache_dat):
os.remove(cache_dat)
# caching
if not os.path.exists(cache_dat):
dat = F.MmapData(cache_dat,
dtype='float16',
shape=(0, frame_length, X.shape[1]))
ids = {}
prog = Progbar(target=len(test_indices))
s = 0
for name, (start, end) in test_indices.items():
y = X[start:end]
y = segment_axis(y,
axis=0,
frame_length=frame_length,
step_length=frame_length,
end='pad',
pad_value=0,
pad_mode='post')
dat.append(y)
# update indices
ids[name] = (s, s + len(y))
s += len(y)
# update progress
prog.add(1)
dat.flush()
dat.close()
with open(cache_ids, 'wb') as f:
pickle.dump(ids, f)
# ====== re-load ====== #
dat = F.MmapData(cache_dat, read_only=True)
with open(cache_ids, 'rb') as f:
ids = pickle.load(f)
# ====== save some sample ====== #
sample_path = os.path.join(PATH_EXP,
'test_%s_%d.pdf' % (feat, int(utt_length)))
V.plot_figure(nrow=9, ncol=6)
for i, (name, (start, end)) in enumerate(
sampling_iter(it=sorted(ids.items(), key=lambda x: x[0]),
k=12,
seed=87654321)):
x = dat[start:end][:].astype('float32')
ax = V.plot_spectrogram(x[np.random.randint(0, len(x))].T,
ax=(12, 1, i + 1),
title='')
ax.set_title(name)
V.plot_save(sample_path)
return (train_feeder, valid_feeder, ids, dat, all_speakers)
NUM_DIM = 3
colors = ['r', 'b', 'g']
markers = ["o", "^", "s"]
SEED = K.get_rng().randint(0, 10e8)
# ===========================================================================
# Load dataset
# ===========================================================================
ds = F.IRIS.load()
print(ds)
nb_samples = ds['X'].shape[0]
ids = K.get_rng().permutation(nb_samples)
X = ds['X'][ids]
y = ds['y'][ids]
labels = ds['name']
print("Labels:", ctext(labels))
assert len(colors) == len(labels) and len(markers) == len(labels)
X_train = X[:int(TRAINING_PERCENT * nb_samples)]
y_train = y[:int(TRAINING_PERCENT * nb_samples)]
y_train_color = [colors[i] for i in y_train]
y_train_marker = [markers[i] for i in y_train]
X_score = X[int(TRAINING_PERCENT * nb_samples):]
y_score = y[int(TRAINING_PERCENT * nb_samples):]
y_score_color = [colors[i] for i in y_score]
y_score_marker = [markers[i] for i in y_score]
print("Train:", X_train.shape, y_train.shape)
print("Score:", X_score.shape, y_score.shape)
def prepare_data(feat, label, utt_length=0.4, for_ivec=False):
"""
Returns (i-vector)
------------------
ds[feat]
train_files
y_train
test_files
y_test
labels
Returns (x-vector)
------------------
train : Feeder
feeder for training data for iterating over pair of (X, y)
valid : Feeder
feeder for validating data for iterating over pair of (X, y)
X_test_name : list of file names
file names are append with '.%d' for cut segment ID
X_test_true : list of integer
label of each sample
X_test_data : array
list of test data same length as X_test_name
labels : list of string
list of labels for classification task
Example
-------
(train, valid,
X_test_name, X_test_true, X_test_data,
labels) = prepare_data_dnn(feat=FEAT, label='gender')
"""
label = str(label).lower()
assert label in _support_label, "No support for label: %s" % label
assert 0 < utt_length <= 1.
# ====== load dataset ====== #
if not os.path.exists(PATH_ACOUSTIC):
raise RuntimeError(
"Cannot find extracted acoustic features at path: '%s',"
"run the code speech_features_extraction.py!" % PATH_ACOUSTIC)
ds = F.Dataset(PATH_ACOUSTIC, read_only=True)
assert feat in ds, "Cannot find feature with name: %s" % feat
indices = list(ds['indices'].items())
K.get_rng().shuffle(indices)
# ====== helper ====== #
def is_train(x):
return x.split('_')[0] == 'train'
def extract_label(x):
return x.split('_')[_support_label[label]]
print("Task:", ctext(label, 'cyan'))
fn_label, labels = unique_labels([i[0] for i in indices],
key_func=extract_label,
return_labels=True)
print("Labels:", ctext(labels, 'cyan'))
# ====== training and test data ====== #
train_files = [] # (name, (start, end)) ...
test_files = []
for name, (start, end) in indices:
if is_train(name):
train_files.append((name, (start, end)))
else:
test_files.append((name, (start, end)))
# name for each dataset, useful for later
print("#Train:", ctext(len(train_files), 'cyan'))
print("#Test:", ctext(len(test_files), 'cyan'))
# ====== for i-vectors ====== #
y_train = np.array([fn_label(i[0]) for i in train_files])
y_test = np.array([fn_label(i[0]) for i in test_files])
if bool(for_ivec):
return ds[feat], train_files, y_train, test_files, y_test, labels
# ====== length ====== #
length = [(end - start) for _, (start, end) in indices]
max_length = max(length)
frame_length = int(max_length * utt_length)
step_length = frame_length
print("Max length :", ctext(max_length, 'yellow'))
print("Frame length:", ctext(frame_length, 'yellow'))
print("Step length :", ctext(step_length, 'yellow'))
# ====== split dataset ====== #
# split by speaker ID
train_files, valid_files = train_valid_test_split(
x=train_files,
train=0.8,
cluster_func=None,
idfunc=lambda x: x[0].split('_')[4], # splited by speaker
inc_test=False)
print("#File train:", ctext(len(train_files), 'cyan'))
print("#File valid:", ctext(len(valid_files), 'cyan'))
print("#File test :", ctext(len(test_files), 'cyan'))
recipes = [
F.recipes.Sequencing(frame_length=frame_length,
step_length=step_length,
end='pad',
pad_mode='post',
pad_value=0),
F.recipes.Name2Label(converter_func=fn_label),
F.recipes.LabelOneHot(nb_classes=len(labels), data_idx=-1)
]
feeder_train = F.Feeder(F.IndexedData(ds[feat], indices=train_files),
ncpu=6,
batch_mode='batch')
feeder_valid = F.Feeder(F.IndexedData(ds[feat], indices=valid_files),
ncpu=4,
batch_mode='batch')
feeder_test = F.Feeder(F.IndexedData(ds[feat], indices=test_files),
ncpu=4,
batch_mode='file')
feeder_train.set_recipes(recipes)
feeder_valid.set_recipes(recipes)
feeder_test.set_recipes(recipes)
print(feeder_train)
# ====== process X_test, y_test in advance for faster evaluation ====== #
@cache_disk
def _extract_test_data(feat, label, utt_length):
prog = Progbar(target=len(feeder_test),
print_summary=True,
name="Preprocessing test set")
X_test = defaultdict(list)
for name, idx, X, y in feeder_test:
# validate everything as expected
assert fn_label(name) == np.argmax(y), name # label is right
# save to list
X_test[name].append((idx, X))
prog.add(X.shape[0])
# ====== create 1 array for data and dictionary for indices ====== #
X_test_name = []
X_test_data = []
for name, X in X_test.items():
X = np.concatenate([x[1] for x in sorted(X, key=lambda i: i[0])],
axis=0).astype('float16')
X_test_name += [name + '.%d' % i for i in range(len(X))]
X_test_data.append(X)
X_test_name = np.array(X_test_name)
X_test_data = np.concatenate(X_test_data, axis=0)
return X_test_name, X_test_data
# convert everything back to float32
X_test_name, X_test_data = _extract_test_data(feat, label, utt_length)
X_test_true = np.array([fn_label(i.split('.')[0]) for i in X_test_name])
return feeder_train, feeder_valid, \
X_test_name, X_test_true, X_test_data, labels
# ====== load data feeder ====== #
(train, valid, X_test_name, X_test_true, X_test_data,
labels) = prepare_data(feat=args.feat, label=args.task)
n_classes = len(labels)
# ===========================================================================
# Create model
# ===========================================================================
inputs = [
K.placeholder(shape=(None, ) + shape[1:],
dtype='float32',
name='input%d' % i)
for i, shape in enumerate(as_tuple_of_shape(train.shape))
]
X = inputs[0]
y = inputs[1]
print("Inputs:", ctext(inputs, 'cyan'))
# ====== create the networks ====== #
with N.args_scope([('Conv', 'Dense'),
dict(b_init=None, activation=K.linear, pad='same')],
['BatchNorm', dict(activation=K.relu)]):
f = N.Sequence([
N.Dimshuffle(pattern=(0, 1, 2, 'x')),
N.Conv(num_filters=32, filter_size=(9, 7)),
N.BatchNorm(),
N.Pool(pool_size=(3, 2), strides=2),
N.Conv(num_filters=64, filter_size=(5, 3)),
N.BatchNorm(),
N.Pool(pool_size=(3, 1), strides=(2, 1), name='PoolOutput1'),
N.Conv(num_filters=64, filter_size=(5, 3)),
N.BatchNorm(),
N.Pool(pool_size=(3, 2), strides=(2, 2), name='PoolOutput2'),
ids = np.random.permutation(len(X_train))
X_train, y_train = X_train[ids], y_train[ids]
X_valid, y_valid = X_train[40000:], y_train[40000:]
X_train, y_train = X_train[:40000], y_train[:40000]
# normalize value to [0, 1]
X_train = X_train / 255.
X_valid = X_valid / 255.
X_test = X_test / 255.
print(ds)
# ====== others ====== #
X_samples, y_samples = X_train[:25], y_train[:25]
input_shape = ds['X_train'].shape
input_ndim = len(input_shape)
print("Train shape:", ctext(X_train.shape, 'cyan'))
print("Valid shape:", ctext(X_valid.shape, 'cyan'))
print("Test shape:", ctext(X_test.shape, 'cyan'))
# ====== create basic tensor ====== #
X = K.placeholder(shape=(None,) + input_shape[1:], name='X_input')
y = K.placeholder(shape=(None,), name='y_input')
# ===========================================================================
# Create the network
# ===========================================================================
LATENT_DROPOUT = 0.3
if args.cnn:
with N.args_scope(([N.Conv, N.Dense], dict(b_init=None, activation=K.linear)),
(N.BatchNorm, dict(activation=tf.nn.elu)),
(N.Pool, dict(mode='max', pool_size=2))):
f_encoder = N.Sequence([
N.Dropout(level=0.5),
def batch_end(self, task, batch_results):
print(ctext("Batch End:", 'cyan'),
task.name, task.curr_epoch, task.curr_samples,
[(i.shape, i.dtype, type(i)) for i in as_tuple(batch_results)])
def dataset_statistics(dsname):
ids = {
name: (start, end)
for name, (start, end) in indices.items()
if ds['dsname'][name] == dsname
}
name2spk = {name: ds['spkid'][name] for name in ids.keys()}
s = []
s.append('=' * 12 + ctext('%-12s' % dsname, 'lightyellow') + '=' * 12)
s.append('#Files :' + ctext(len(ids), 'cyan'))
s.append("#Speakers:" + ctext(len(set(name2spk.values())), 'cyan'))
# ====== mean and std ====== #
sum1 = 0.
sum2 = 0.
n = 0
spk_sum1 = defaultdict(float)
spk_sum2 = defaultdict(float)
spk_n = defaultdict(int)
for name, (start, end) in ids.items():
spkid = name2spk[name]
n += end - start
spk_n[spkid] += end - start
x = X[start:end][:].astype('float64')
s1 = np.sum(x, axis=0)
s2 = np.sum(x**2, axis=0)
sum1 += s1
sum2 += s2
spk_sum1[spkid] += s1
spk_sum2[spkid] += s2
data_mean = sum1 / n
data_std = np.sqrt(sum2 / n - data_mean**2)
spk_stats = {}
for spkid in name2spk.values():
n = spk_n[spkid]
s1, s2 = spk_sum1[spkid], spk_sum2[spkid]
mean = s1 / n
std = np.sqrt(s2 / n - mean**2)
spk_stats[spkid] = (mean, std)
spk_mean = np.concatenate([x[0][None, :] for x in spk_stats.values()],
axis=0).mean(0)
spk_std = np.concatenate([x[1][None, :] for x in spk_stats.values()],
axis=0).mean(0)
# ====== utterances length ====== #
all_length = np.array([(end - start) * Config.STEP_LENGTH
for start, end in indices.values()])
# ====== speaker - utterance relation ====== #
nutt_per_spk = defaultdict(int)
dur_per_spk = defaultdict(list)
for name, (start, end) in ids.items():
spkid = name2spk[name]
nutt_per_spk[spkid] += 1
dur_per_spk[spkid].append((end - start) * Config.STEP_LENGTH)
all_spk = sorted(nutt_per_spk.keys())
spk_df = pd.DataFrame(
data={
'nutt_per_spk': [nutt_per_spk[spk] for spk in all_spk],
'sum_per_spk': [np.sum(dur_per_spk[spk]) for spk in all_spk],
'mean_per_spk': [np.mean(dur_per_spk[spk]) for spk in all_spk],
})
return dsname, '\n'.join(s), (all_length, spk_df), (data_mean,
data_std), (spk_mean,
spk_std)
def epoch_start(self, task, data):
print(ctext("Epoch Start:", 'cyan'),
task.name, task.curr_epoch, task.curr_samples,
[(i.shape, i.dtype, type(i)) for i in data])
