val_err = 0
val_acc = 0
val_batches = 0
for batch in iterate_minibatches(x_validate, labels_validate,
oneshot_indices_validate,
oneshot_class, batch_size,
shuffle=False):
inputs, targets = batch
print('\rValidation phase {:6.1f}%'.format(val_batches * batch_size / validate_size * 100), end="");sys.stdout.flush()
err, acc = convnet.validate(inputs, targets)
val_err += err
val_acc += acc
val_batches += 1
if( val_err < min_val_err ):
min_val_err = val_err
convnet.save_param_values(save_param_path)
print('\rValidation phase {:6.1f}%'.format( 100))
# Print out results each epoch and write to outputfile
print("Epoch {} of {} took {:.2f}s".format( epoch + 1,
num_epochs,
time.time() - start_time))
print(" training loss:\t\t{:.6f}".format(train_err / train_batches))
print(" validation loss:\t\t{:.6f}".format(val_err / val_batches))
print(" validation accuracy:\t\t{:.2f} %".format(val_acc / val_batches * 100))
fo1.write("%.6f;%.6f;%.6f;%.6f\n" % ( train_err / train_batches,
val_err / val_batches,
val_acc / val_batches,
time.time() - start_time))
print()
# Compute and print test error
excerpt = indices[start_idx:start_idx + batch_size]
yield inputs[excerpt], targets[excerpt]
base_dir_path = "/home/jasper/oneshot-gestures/"
test_accuracies = []
load = load_class.load(size_ratio=1.0)
# Load data
x_validate, labels_validate, indices_validate = load.load_validation_set()
x_train, labels_train, indices_train = load.load_training_set()
x_test, labels_test, indices_test = load.load_testing_set()
convnet = convnet.convnet(num_output_units=20)
convnet.save_param_values("{}/default_param".format(base_dir_path))
for oneshot_class in xrange(20
):
print("Learning gestures excluding class {}".format(oneshot_class))
save_param_patch = "{}convnet_params/param-excl-class-{}".format(base_dir_path,oneshot_class)
convnet.load_param_values(save_param_patch)
try:
fo1 = open("{}output_19cl/excl-class-{}.csv".format(base_dir_path,oneshot_class),"w")
fo1.write("training_loss;validation_loss;validation_accuracy;epoch_time\n")
except IOError as e:
print("I/O error({0}): {1}".format(e.errno, e.strerror))
except:
print("Unexpected error")