def main():
args = create_parser(usage).parse_args()
args.tags_file = abspath(args.tags_file) if args.tags_file else None
args.folder = abspath(args.folder)
args.output_folder = abspath(args.output_folder)
noise_min, noise_max = args.noise_ratio_low, args.noise_ratio_high
data = TrainData.from_both(args.tags_file, args.folder, args.folder)
noise_data = NoiseData(args.noise_folder)
print('Data:', data)
def translate_filename(source: str, n=0) -> str:
assert source.startswith(args.folder)
relative_file = source[len(args.folder):].strip(os.path.sep)
if n > 0:
base, ext = splitext(relative_file)
relative_file = base + '.' + str(n) + ext
return join(args.output_folder, relative_file)
all_filenames = sum(data.train_files + data.test_files, [])
for i, filename in enumerate(all_filenames):
print('{0:.2%} \r'.format(i / (len(all_filenames) - 1)),
end='',
flush=True)
audio = load_audio(filename)
for n in range(args.inflation_factor):
altered = noise_data.noised_audio(
audio, noise_min + (noise_max - noise_min) * random())
output_filename = translate_filename(filename, n)
makedirs(dirname(output_filename), exist_ok=True)
save_audio(output_filename, altered)
print('Done!')
if args.tags_file and args.tags_file.startswith(args.folder):
shutil.copy2(args.tags_file, translate_filename(args.tags_file))
def __init__(self, args):
super().__init__(args)
self.audio_buffer = np.zeros(pr.buffer_samples, dtype=float)
self.vals_buffer = np.zeros(pr.buffer_samples, dtype=float)
params = ModelParams(skip_acc=args.no_validation,
extra_metrics=args.extra_metrics,
loss_bias=1.0 - args.sensitivity)
self.model = create_model(args.model, params)
self.listener = Listener('',
args.chunk_size,
runner_cls=lambda x: None)
from keras.callbacks import ModelCheckpoint, TensorBoard
checkpoint = ModelCheckpoint(args.model,
monitor=args.metric_monitor,
save_best_only=args.save_best)
epoch_fiti = Fitipy(splitext(args.model)[0] + '.epoch')
self.epoch = epoch_fiti.read().read(0, int)
def on_epoch_end(_a, _b):
self.epoch += 1
epoch_fiti.write().write(self.epoch, str)
self.model_base = splitext(self.args.model)[0]
self.callbacks = [
checkpoint,
TensorBoard(log_dir=self.model_base + '.logs', ),
LambdaCallback(on_epoch_end=on_epoch_end)
]
self.data = TrainData.from_both(args.tags_file, args.tags_folder,
args.folder)
pos_files, neg_files = self.data.train_files
self.neg_files_it = iter(cycle(neg_files))
self.pos_files_it = iter(cycle(pos_files))
def load_data(args: Any):
data = TrainData.from_tags(args.tags_file, args.tags_folder)
return data.load(True, not args.no_validation)
def main():
parser = create_parser(usage)
parser.add_argument(
'models',
nargs='*',
help='Either Keras (.net) or TensorFlow (.pb) models to test')
args = TrainData.parse_args(parser)
if not args.models and not args.input_file and args.folder:
args.input_file = args.folder
if bool(args.models) == bool(args.input_file):
parser.error('Please specify either a list of models or an input file')
if not args.output_file:
load_plt() # Error early if matplotlib not installed
import numpy as np
if args.models:
data = TrainData.from_both(args.tags_file, args.tags_folder,
args.folder)
print('Data:', data)
filenames = sum(
data.train_files if args.use_train else data.test_files, [])
loader = CachedDataLoader(
partial(data.load,
args.use_train,
not args.use_train,
shuffle=False))
model_data = calc_stats(args.models, loader, args.use_train, filenames)
else:
model_data = {
name: Stats.from_np_dict(data)
for name, data in np.load(args.input_file)['data'].item().items()
}
for name, stats in model_data.items():
print('=== {} ===\n{}\n\n{}\n'.format(name, stats.counts_str(),
stats.summary_str()))
if args.output_file:
np.savez(args.output_file,
data={
name: stats.to_np_dict()
for name, stats in model_data.items()
})
else:
plt = load_plt()
decoder = ThresholdDecoder(pr.threshold_config, pr.threshold_center)
thresholds = [
decoder.encode(i)
for i in np.linspace(0.0, 1.0, args.resolution)[1:-1]
]
for model_name, stats in model_data.items():
x = [stats.false_positives(i) for i in thresholds]
y = [stats.false_negatives(i) for i in thresholds]
plt.plot(x, y, marker='x', linestyle='-', label=model_name)
if args.labels:
for x, y, threshold in zip(x, y, thresholds):
plt.annotate('{:.4f}'.format(threshold), (x, y))
plt.legend()
plt.xlabel('False Positives')
plt.ylabel('False Negatives')
plt.show()