def inference_net(cfg):
dataset_loader = dataloader_jt.DATASET_LOADER_MAPPING[
cfg.DATASET.TEST_DATASET](cfg)
test_data_loader = dataset_loader.get_dataset(
dataloader_jt.DatasetSubset.TEST, batch_size=1, shuffle=False)
model = Model(dataset=cfg.DATASET.TEST_DATASET)
assert 'WEIGHTS' in cfg.CONST and cfg.CONST.WEIGHTS
print('loading: ', cfg.CONST.WEIGHTS)
model.load(cfg.CONST.WEIGHTS)
# Switch models to evaluation mode
model.eval()
# The inference loop
n_samples = len(test_data_loader)
t_obj = tqdm(test_data_loader)
for model_idx, (taxonomy_id, model_id, data) in enumerate(t_obj):
taxonomy_id = taxonomy_id[0] if isinstance(
taxonomy_id[0], str) else taxonomy_id[0].item()
model_id = model_id[0]
partial = jittor.array(data['partial_cloud'])
pcds = model(partial)[0]
pcd1, pcd2, pcd3 = pcds
output_folder = os.path.join(cfg.DIR.OUT_PATH, 'benchmark',
taxonomy_id)
if not os.path.exists(output_folder):
os.makedirs(output_folder)
output_folder_pcd1 = os.path.join(output_folder, 'pcd1')
output_folder_pcd2 = os.path.join(output_folder, 'pcd2')
output_folder_pcd3 = os.path.join(output_folder, 'pcd3')
if not os.path.exists(output_folder_pcd1):
os.makedirs(output_folder_pcd1)
os.makedirs(output_folder_pcd2)
os.makedirs(output_folder_pcd3)
# print(pcd1)
output_file_path = os.path.join(output_folder, 'pcd1',
'%s.h5' % model_id)
utils.io.IO.put(output_file_path, pcd3.squeeze(0).detach().numpy())
output_file_path = os.path.join(output_folder, 'pcd2',
'%s.h5' % model_id)
utils.io.IO.put(output_file_path, pcd2.squeeze(0).detach().numpy())
output_file_path = os.path.join(output_folder, 'pcd3',
'%s.h5' % model_id)
utils.io.IO.put(output_file_path, pcd3.squeeze(0).detach().numpy())
t_obj.set_description(
'Test[%d/%d] Taxonomy = %s Sample = %s File = %s' %
(model_idx + 1, n_samples, taxonomy_id, model_id,
output_file_path))
def test_net(cfg,
epoch_idx=-1,
test_data_loader=None,
test_writer=None,
model=None):
if test_data_loader is None:
# Set up data loader
dataset_loader = dataloader_jt.DATASET_LOADER_MAPPING[
cfg.DATASET.TEST_DATASET](cfg)
test_data_loader = dataset_loader.get_dataset(
dataloader_jt.DatasetSubset.VAL, batch_size=1, shuffle=False)
# Setup networks and initialize networks
if model is None:
model = Model(dataset=cfg.DATASET.TEST_DATASET)
assert 'WEIGHTS' in cfg.CONST and cfg.CONST.WEIGHTS
print('loading: ', cfg.CONST.WEIGHTS)
model.load(cfg.CONST.WEIGHTS)
# Switch models to evaluation mode
model.eval()
n_samples = len(test_data_loader)
test_losses = AverageMeter(['cd1', 'cd2', 'cd3', 'pmd'])
test_metrics = AverageMeter(Metrics.names())
category_metrics = dict()
# Testing loop
with tqdm(test_data_loader) as t:
# print('repeating')
for model_idx, (taxonomy_id, model_id, data) in enumerate(t):
taxonomy_id = taxonomy_id[0] if isinstance(
taxonomy_id[0], str) else taxonomy_id[0].item()
model_id = model_id[0]
# for k, v in data.items():
# data[k] = utils.helpers.var_or_cuda(v)
partial = jittor.array(data['partial_cloud'])
gt = jittor.array(data['gtcloud'])
b, n, _ = partial.shape
pcds, deltas = model(partial)
cd1 = chamfer(pcds[0], gt).item() * 1e3
cd2 = chamfer(pcds[1], gt).item() * 1e3
cd3 = chamfer(pcds[2], gt).item() * 1e3
# pmd loss
pmd_losses = []
for delta in deltas:
pmd_losses.append(jittor.sum(delta**2))
pmd = jittor.sum(jittor.stack(pmd_losses)) / 3
pmd_item = pmd.item()
_metrics = [pmd_item, cd3]
test_losses.update([cd1, cd2, cd3, pmd_item])
test_metrics.update(_metrics)
if taxonomy_id not in category_metrics:
category_metrics[taxonomy_id] = AverageMeter(Metrics.names())
category_metrics[taxonomy_id].update(_metrics)
t.set_description(
'Test[%d/%d] Taxonomy = %s Sample = %s Losses = %s Metrics = %s'
%
(model_idx + 1, n_samples, taxonomy_id, model_id,
['%.4f' % l
for l in test_losses.val()], ['%.4f' % m for m in _metrics]))
# Print testing results
print(
'============================ TEST RESULTS ============================'
)
print('Taxonomy', end='\t')
print('#Sample', end='\t')
for metric in test_metrics.items:
print(metric, end='\t')
print()
for taxonomy_id in category_metrics:
print(taxonomy_id, end='\t')
print(category_metrics[taxonomy_id].count(0), end='\t')
for value in category_metrics[taxonomy_id].avg():
print('%.4f' % value, end='\t')
print()
print('Overall', end='\t\t\t')
for value in test_metrics.avg():
print('%.4f' % value, end='\t')
print('\n')
# Add testing results to TensorBoard
if test_writer is not None:
test_writer.add_scalar('Loss/Epoch/cd1', test_losses.avg(0), epoch_idx)
test_writer.add_scalar('Loss/Epoch/cd2', test_losses.avg(1), epoch_idx)
test_writer.add_scalar('Loss/Epoch/cd3', test_losses.avg(2), epoch_idx)
test_writer.add_scalar('Loss/Epoch/delta', test_losses.avg(3),
epoch_idx)
for i, metric in enumerate(test_metrics.items):
test_writer.add_scalar('Metric/%s' % metric, test_metrics.avg(i),
epoch_idx)
model.train()
return test_losses.avg(2)