def evaluate(self, session, x, y):
# Evaluation with localization plot
pp = self.predict(session, x)
fig, stats = lp.localizationPlot(
pp, y, n_samples=20, dist_threshold=self.config['tolerence'], factor=1, bias=self.config['temporal_bias'])
return fig, stats
sess, batch_x, batch_y, batch_y_series)
print("For iter ", iter)
print("Accuracy ", acc)
if config['Direct']:
print("Loss ", np.round(los, 3), np.round(loss_dir, 3),
np.round(loss_ind, 3))
else:
print("Loss ", np.round(los, 3))
print("__________________")
# Display (train) localization
fig, stats = lp.localizationPlot(
pp,
batch_y_series,
n_samples=20,
dist_threshold=config['tolerence'],
factor=config['downsamplingFactor'],
bias=config['temporal_bias'])
plt.savefig('plt/localization_in_' + config['extension'])
plt.close()
stats_history['f1'].append(stats['f1'])
stats_history['precision'].append(stats['precision'])
stats_history['recall'].append(stats['recall'])
# Display (validation) localization
pp = softModel.predict(sess, x_val)
fig, stats_val = lp.localizationPlot(
pp,
y_val_raw,
x_out = np.zeros([
x_out_tmp.shape[0], x_out_tmp.shape[1], 2 * x_out_tmp.shape[2]
])
x_out[:, :, :x_out_tmp.shape[2]] = x_out_tmp
x_out[:, 1:, x_out_tmp.shape[2]:] = np.diff(x_out_tmp, n=1, axis=1)
# Select channel range
pad = config['start_channel']
y_out_raw = y_out_raw[:, pad:pad + config['n_channel'], :]
# Single extract score
pp = softModel.predict(sess, x_out)
_, _ = lp.localizationPlot(pp,
y_out_raw,
n_samples=20,
dist_threshold=config['tolerence'],
factor=1,
bias=config['temporal_bias'],
decimals=7)
plt.close()
sess.close()
softModel.reset()
# Extract ensembling (i.e. put together all extracts from data augmentation)
print('Ensembling')
pp_trans = np.transpose(
pp.reshape([
pp.shape[0] // config['augmentation_factor'],
config['augmentation_factor'], pp.shape[1], pp.shape[2]
]), [1, 0, 2, 3])
def addSweep(extension):
# Load configuration
if os.path.exists('results/sweep_data.npz'):
tmp = np.load('results/sweep_data.npz')
current_extension = tmp['arr_0']
else:
current_extension = []
if extension in current_extension:
print("< Extension already in archive")
else:
config = load_configurations(extension)
assert(extension==config['extension'])
config['temporal_bias'] = 0
config['augmentation_factor'] = 7
ensembling_factor = 0.25
suppression_field = 9
# Load out-of-sample data
print('>> Load Dataset...')
test_files = np.load('models/' + config['extension'] + '_test_files.npy')
x_out_raw, _, y_out_raw, stretch_factor_out, file_list_out_raw = generateSplitDataset(test_files, config, infer=True, labelNoise=False)
print("---", len(test_files), "---")
print("---", config['extension'], "---")
import os
os.environ["CUDA_VISIBLE_DEVICES"] = ""
new_results = np.zeros([3,3])
with tf.Session() as sess:
# Restore model
softModel = SoftNetwork(config)
softModel.restore(sess)
for selection_channel in range(0,3):
x_out = np.copy(x_out_raw)
y_out = np.copy(y_out_raw)
file_list_out = np.copy(file_list_out_raw)
# Select channel
idx_channel = [0, 1, 2]
idx_channel.remove(selection_channel)
y_out[:, idx_channel, :] = 0
# Single extract score
pp = softModel.predict(sess, x_out)
pp[:, idx_channel, :] = 0
_, _ = lp.localizationPlot(pp, y_out, n_samples=20, dist_threshold=config['tolerence'], factor=1,
bias=config['temporal_bias'], decimals=7)
plt.close()
# Ensembling score
pp_trans = np.transpose(pp.reshape([pp.shape[0] // config['augmentation_factor'], config['augmentation_factor'], pp.shape[1], pp.shape[2]]), [1, 0, 2, 3])
pp_ensemble = softModel.FastEnsembling(pp_trans, stretch_factor_out, ensembling_factor, suppression_field)
plt.figure()
_, _ = lp.localizationPlot(pp_ensemble, y_out[::config['augmentation_factor'], :, :], n_samples=10, dist_threshold=config['tolerence'],
factor=1, bias=config['temporal_bias'], decimals=7)
plt.close()
_start_extract = 16
y_ensemble = y_out[::config['augmentation_factor'], :, :]
file_list_out = file_list_out[::config['augmentation_factor']]
y_pasted = np.zeros([len(test_files), pp_ensemble.shape[1], 30000])
pp_pasted = np.zeros([len(test_files), pp_ensemble.shape[1], 30000])
ww = np.zeros([len(test_files), pp_ensemble.shape[1], 30000])
file_out_unique = []
previous_source = ""
idx_source = -1
for ii in range(len(file_list_out)):
if file_list_out[ii] == previous_source:
idx_start += int(config['split_step'] * 200)
else:
idx_start = 0
idx_source += 1
previous_source = file_list_out[ii]
file_out_unique.append(previous_source)
y_pasted[idx_source, :, idx_start:idx_start + y_ensemble[ii, :, _start_extract:].shape[1]] += y_ensemble[ii, :, _start_extract:]
pp_pasted[idx_source, :, idx_start:idx_start + pp_ensemble[ii, :, _start_extract:].shape[1]] += pp_ensemble[ii, :, _start_extract:]
ww[idx_source, :, idx_start:idx_start + pp_ensemble[ii, :, _start_extract:int(config['split_length'] * 200)+_start_extract].shape[1]] += 1
# Normalize
pp_final = pp_pasted[:, :, np.sum(ww, axis=(0, 1)) > 0] / ww[:, :, np.sum(ww, axis=(0, 1)) > 0]
y_final = y_pasted[:, :, np.sum(ww, axis=(0, 1)) > 0] > 0
# Load labels from file
yy = np.zeros([pp_final.shape[0], pp_final.shape[1], pp_final.shape[2]])
yy_list = []
for jj in range(yy.shape[0]):
label_raw = np.array(parseXML(file_out_unique[jj].replace('audio', 'annotation_xml').replace('wav', 'xml')))
for kk in range(label_raw.shape[0]):
yy[jj, int(label_raw[kk, 1]), int(label_raw[kk, 0] * 200)] += 1
yy_list.append(label_raw[np.logical_not([x in idx_channel for x in label_raw[:,1]]),:])
yy[:, idx_channel, :] = 0
# Check alignment
plt.figure()
plt.plot(yy[0, 0, :] - y_final[0, 0, :])
plt.close('all')
# Final prediction cleaning
pp_final = pp_pasted[:, :, np.sum(ww, axis=(0, 1)) > 0] / ww[:, :, np.sum(ww, axis=(0, 1)) > 0]
pp_final_cleaning = np.zeros([pp_final.shape[0], pp_final.shape[1], pp_final.shape[2]])
for ii in range(pp_final_cleaning.shape[0]):
for jj in range(pp_final_cleaning.shape[1]):
for tt in range(pp_final_cleaning.shape[2]):
if pp_final[ii, jj, tt] > 0:
if np.sum(pp_final[ii, jj, tt:tt + suppression_field]) >= 0.50:
pp_final_cleaning[ii, jj, tt] = 1
pp_final[ii, jj, tt:tt + suppression_field] = 0
# Final score computation
plt.figure()
fig, _ = lp.localizationPlot(pp_final_cleaning[:, :, :], yy[:, :, :], n_samples=pp_final_cleaning.shape[0],
dist_threshold=config['tolerence'],
factor=1, bias=config['temporal_bias'], decimals=7)
plt.close()
pp_list = []
for ii in range(pp_final.shape[0]):
triggers = np.zeros([0,2])
for jj in range(pp_final.shape[1]):
list_hits = np.where(pp_final_cleaning[ii,jj])[0]/200
triggers = np.concatenate([triggers, np.concatenate([list_hits[:,np.newaxis],np.array([jj]*len(list_hits))[:,np.newaxis]],axis=1)])
pp_list.append(triggers)
fig, _ = lp.localizationPlotList(pp_list, yy_list, decimals=7, bias= 0.000, n_samples = 20, dist_threshold=0.050)
plt.savefig('plt/inference/' + config['extension']+ "_" + str(selection_channel))
plt.close()
f1_list = []
pre_list = []
rec_list = []
for kk in range(0,len(yy_list)):
pre, rec, f1, _ = (
mir_eval.transcription.precision_recall_f1_overlap(
np.concatenate([np.array([max(x,0) for x in yy_list[kk][:, 0]])[:,np.newaxis], yy_list[kk][:, 0:1] + 1], axis=1),
pretty_midi.note_number_to_hz(yy_list[kk][:, 1]),
np.concatenate([np.array([max(x,0) for x in pp_list[kk][:, 0]])[:,np.newaxis], pp_list[kk][:, 0:1] + 1], axis=1),
pretty_midi.note_number_to_hz(pp_list[kk][:, 1]),
offset_ratio=None))
f1_list.append(f1)
pre_list.append(pre)
rec_list.append(rec)
print(np.mean(f1_list), np.mean(pre_list), np.mean(rec_list))
new_results[selection_channel,:] = np.array([np.mean(f1_list), np.mean(pre_list), np.mean(rec_list)])
print("---", config['extension'], "---", selection_channel, "---")
softModel.reset()
# Reload in case other update occurred in the mean-time
if os.path.exists('results/sweep_data.npz'):
tmp = np.load('results/sweep_data.npz')
current_extension = tmp['arr_0']
current_results = tmp['arr_1']
current = current_extension.tolist()
current.append(extension)
np.savez('results/sweep_data.npz', current, np.concatenate([current_results,new_results[np.newaxis, :, :]],axis=0))
else:
np.savez('results/sweep_data.npz', current_extension.tolist(), new_results[np.newaxis, :, :])
# create updated image
import sweepVisualization
if iter % config['show_frequency'] == 0:
acc, los, loss_dir, loss_ind, pp = softModel.infer(sess, batch_x, batch_y, batch_y_series)
print("For iter ", iter)
print("Accuracy ", acc)
if config['Direct']:
print("Loss ", np.round(los, 3), np.round(loss_dir, 3), np.round(loss_ind, 3))
else:
print("Loss ", np.round(los, 3))
print("__________________")
# Display (train) localization
fig, stats = lp.localizationPlot(
pp,
batch_y_series, n_samples=20, dist_threshold=config['tolerence'], factor=1,
bias=config['temporal_bias'])
plt.savefig('plt/localization_in_' + config['extension'])
plt.close()
stats_history['f1'].append(stats['f1'])
stats_history['precision'].append(stats['precision'])
stats_history['recall'].append(stats['recall'])
# Display (validation) localization
pp = softModel.predict(sess, x_val)
fig, stats_out = lp.localizationPlot(pp, y_val_raw, n_samples=20, dist_threshold=config['tolerence'],
factor=1, bias=config['temporal_bias'])
plt.savefig('plt/localization_out_' + config['extension'])
plt.close()
