def test_one_epoch(epoch_num):
is_training = False
total_loss_acc = 0.0
seg_loss_acc = 0.0
gt_classes = [0 for _ in range(model.NUM_CATEGORY)]
positive_classes = [0 for _ in range(model.NUM_CATEGORY)]
true_positive_classes = [0 for _ in range(model.NUM_CATEGORY)]
for i in range(test_data.shape[0]):
pc = np.squeeze(test_data[i, :, :])
labels = np.squeeze(test_label[i, :]).astype(int)
seg_label = model.integer_label_to_one_hot_label(labels)
pointgrid, pointgrid_label, index = model.pc2voxel(
pc, seg_label)
feed_dict = {
is_training_ph: is_training,
pointgrid_ph: pointgrid,
seg_label_ph: pointgrid_label
}
total_loss_val, seg_loss_val, pred_seg_val = sess.run(
[total_loss, seg_loss, pred_seg], feed_dict=feed_dict)
total_loss_acc += total_loss_val
seg_loss_acc += seg_loss_val
pred_seg_val = pred_seg_val[0, :, :, :, :, :]
pred_point_label = model.populateOneHotSegLabel(
pc, pred_seg_val, index)
for j in range(pred_point_label.shape[0]):
gt_l = int(labels[j])
pred_l = int(pred_point_label[j])
gt_classes[gt_l - 1] += 1
positive_classes[pred_l - 1] += 1
true_positive_classes[gt_l - 1] += int(gt_l == pred_l)
printout(flog, 'gt_l count:{}'.format(gt_classes))
printout(flog,
'positive_classes count:{}'.format(positive_classes))
printout(
flog,
'true_positive_classes count:{}'.format(true_positive_classes))
iou_list = []
for i in range(model.SEG_PART):
iou = true_positive_classes[i] / float(
gt_classes[i] + positive_classes[i] -
true_positive_classes[i])
iou_list.append(iou)
printout(flog, 'IOU:{}'.format(iou_list))
printout(
flog, 'ACC:{}'.format(
sum(true_positive_classes) / sum(positive_classes)))
printout(flog,
'mIOU:{}'.format(sum(iou_list) / float(model.SEG_PART)))
printout(
flog, '\tMean Total Loss: %f' %
(total_loss_acc / test_data.shape[0]))
printout(
flog, '\tMean Segmentation Loss: %f' %
(seg_loss_acc / test_data.shape[0]))
def predict():
with tf.device('/gpu:' + str(gpu_to_use)):
pointgrid_ph, seg_label_ph = placeholder_inputs()
is_training_ph = tf.placeholder(tf.bool, shape=())
pred_seg = model.get_model(pointgrid_ph, is_training=is_training_ph)
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
with tf.Session(config=config) as sess:
if not os.path.exists(output_dir):
os.mkdir(output_dir)
flog = open(os.path.join(output_dir, 'log_test.txt'), 'w')
# Restore variables from disk.
if not load_checkpoint(ckpt_dir, sess):
exit()
is_training = False
gt_classes = [0 for _ in range(model.NUM_CATEGORY)]
positive_classes = [0 for _ in range(model.NUM_CATEGORY)]
true_positive_classes = [0 for _ in range(model.NUM_CATEGORY)]
for i in range(test_data.shape[0]):
pc = np.squeeze(test_data[i, :, :])
labels = np.squeeze(test_label[i, :]).astype(int)
seg_label = model.integer_label_to_one_hot_label(labels)
pointgrid, pointgrid_label, index = model.pc2voxel(pc, seg_label)
pointgrid = np.expand_dims(pointgrid, axis=0)
pointgrid_label = np.expand_dims(pointgrid_label, axis=0)
feed_dict = {
pointgrid_ph: pointgrid,
seg_label_ph: pointgrid_label,
is_training_ph: is_training,
}
pred_seg_val = sess.run(pred_seg, feed_dict=feed_dict)
pred_seg_val = pred_seg_val[0, :, :, :, :, :]
pred_point_label = model.populateOneHotSegLabel(
pc, pred_seg_val, index)
if purify == True:
pre_label = pred_point_label
for i in range(pc.shape[0]): #one point cloud num 2500--2800
idx = np.argsort(np.sum((pc[i, :] - pc)**2, axis=1))
j, L = 0, []
for _ in range(knn):
if (idx[j] == i):
j += 1
L.append(pre_label[idx[j]])
j += 1
majority = max(set(L), key=L.count)
if (pre_label[i] == 0 or len(set(L)) == 1):
pred_point_label[i] = majority
for j in range(pred_point_label.shape[0]):
gt_l = int(labels[j])
pred_l = int(pred_point_label[j])
gt_classes[gt_l] += 1
positive_classes[pred_l] += 1
true_positive_classes[gt_l] += int(gt_l == pred_l)
printout(flog, 'gt_l count:{}'.format(gt_classes))
printout(flog, 'positive_classes count:{}'.format(positive_classes))
printout(
flog,
'true_positive_classes count:{}'.format(true_positive_classes))
iou_list = []
for i in range(model.SEG_PART):
try:
iou = true_positive_classes[i] / float(
gt_classes[i] + positive_classes[i] -
true_positive_classes[i])
except ZeroDivisionError:
iou = 0
print('here no room')
finally:
iou_list.append(iou)
printout(flog, 'IOU:{}'.format(iou_list))
printout(
flog, 'ACC:{}'.format(
sum(true_positive_classes) * 1.0 / (sum(positive_classes))))
printout(flog, 'mIOU:{}'.format(sum(iou_list) / float(model.SEG_PART)))
def predict():
is_training = False
with tf.device('/gpu:' + str(gpu_to_use)):
the_model_ph, cat_label_ph, seg_label_ph = placeholder_inputs()
is_training_ph = tf.placeholder(tf.bool, shape=())
# model
pred_cat, pred_seg = model.get_model(the_model_ph,
is_training=is_training_ph)
# Add ops to save and restore all the variables.
saver = tf.train.Saver()
# Later, launch the model, use the saver to restore variables from disk, and
# do some work with the model.
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
with tf.Session(config=config) as sess:
if not os.path.exists(output_dir):
os.mkdir(output_dir)
flog = open(os.path.join(output_dir, 'log.txt'), 'w')
# Restore variables from disk.
ckpt_dir = './train_results/trained_models'
if not load_checkpoint(ckpt_dir, sess):
exit()
if not os.path.exists('../data/ShapeNet/test-object'):
os.mkdir('../data/ShapeNet/test-object')
map_table = np.zeros((10, 10), dtype=int)
y_true = []
y_pred = []
start_all = datetime.now()
total_time = datetime.now() - datetime.now()
incorrect = []
preficted = []
ccc = 0
avg_cat_accuracy = 0.0
cat_accuracy = np.zeros((model.NUM_CATEGORY), dtype=np.float32)
cat_obj = np.zeros((model.NUM_CATEGORY), dtype=np.int32)
avg_iou = 0.0
cat_iou = np.zeros((model.NUM_CATEGORY), dtype=np.float32)
for loop in range(len(TESTING_FILE_LIST)):
start_one = datetime.now()
mat_content = scipy.io.loadmat('../data/ShapeNet/test/' +
TESTING_FILE_LIST[loop] + '.mat')
pc = mat_content['points']
labels = np.squeeze(mat_content['labels'])
category = mat_content['category'][0][0]
cat_label = model.integer_label_to_one_hot_label(category)
category = int(category)
cat_obj[category] += 1
seg_label = model.integer_label_to_one_hot_label(labels)
the_model, the_model_label, index = model.pc2voxel(pc, seg_label)
the_model = np.expand_dims(the_model, axis=0)
cat_label = np.expand_dims(cat_label, axis=0)
the_model_label = np.expand_dims(the_model_label, axis=0)
feed_dict = {
the_model_ph: the_model,
cat_label_ph: cat_label,
seg_label_ph: the_model_label,
is_training_ph: is_training,
}
pred_cat_val, pred_seg_val = sess.run([pred_cat, pred_seg],
feed_dict=feed_dict)
pred_cat_val = np.argmax(pred_cat_val[0, :], axis=0)
pred_seg_val = pred_seg_val[0, :, :, :, :, :]
avg_cat_accuracy += (pred_cat_val == category)
cat_accuracy[category] += (pred_cat_val == category)
stop_one = datetime.now()
print('Time: ', stop_one - start_one)
total_time += (stop_one - start_one)
print('total Time: ', total_time)
y_true.insert(loop, category)
y_pred.insert(loop, pred_cat_val)
if pred_cat_val != category:
incorrect.insert(ccc, TESTING_FILE_LIST[loop])
preficted.insert(ccc, category2name[pred_cat_val])
ccc += 1
print(category2name[pred_cat_val])
pred_point_label = model.populateOneHotSegLabel(
pc, pred_seg_val, index)
if purify == True:
pre_label = pred_point_label
for i in range(pc.shape[0]):
idx = np.argsort(np.sum((pc[i, :] - pc)**2, axis=1))
j, L = 0, []
for _ in range(knn):
if (idx[j] == i):
j += 1
L.append(pre_label[idx[j]])
j += 1
majority = max(set(L), key=L.count)
if (pre_label[i] == 0 or len(set(L)) == 1):
pred_point_label[i] = majority
iou = model.intersection_over_union(pred_point_label, labels)
avg_iou += iou
cat_iou[category] += iou
#if (cat_obj[category] <= 3):
# output_color_point_cloud(pc, pred_point_label, '../data/ShapeNet/test-object/' + category2name[category] + '_' + str(cat_obj[category]) + '.obj')
printout(
flog, '%d/%d %s' %
((loop + 1), len(TESTING_FILE_LIST), TESTING_FILE_LIST[loop]))
printout(flog, '----------')
avg_cat_accuracy /= float(np.sum(cat_obj))
avg_iou /= float(np.sum(cat_obj))
printout(flog,
'Average classification accuracy: %f' % avg_cat_accuracy)
printout(flog, 'Average IoU: %f' % avg_iou)
printout(
flog,
'CategoryName, CategorySize, ClassificationAccuracy, SegmentationIoU'
)
for i in range(model.NUM_CATEGORY):
cat_accuracy[i] /= float(cat_obj[i])
cat_iou[i] /= float(cat_obj[i])
printout(
flog, '\t%s (%d): %f, %f' %
(category2name[i], cat_obj[i], cat_accuracy[i], cat_iou[i]))
# Print the confusion matrix
print(metrics.confusion_matrix(y_true, y_pred))
# Print the precision and recall, among other metrics
print(metrics.classification_report(y_true, y_pred, digits=3))
stop_all = datetime.now()
print('Time: ', stop_all - start_all)
print(incorrect)
print(preficted)
def predict():
is_training = False
with tf.device('/gpu:'+str(gpu_to_use)):
pointgrid_ph, seg_label_ph = placeholder_inputs()
is_training_ph = tf.placeholder(tf.bool, shape=())
pred_seg = model.get_model(pointgrid_ph, is_training=is_training_ph)
saver = tf.train.Saver()
config = tf.ConfigProto()
config.gpu_options.allow_growth = True
config.allow_soft_placement = True
with tf.Session(config=config) as sess:
if not os.path.exists(output_dir):
os.mkdir(output_dir)
flog = open(os.path.join(output_dir, 'log-6.txt'), 'w')
# Restore variables from disk.
ckpt_dir = './train_results_6/trained_models'
if not load_checkpoint(ckpt_dir, sess):
exit()
if not os.path.exists('../data/ShapeNet/test-PointGrid'):
os.mkdir('../data/ShapeNet/test-PointGrid')
gt_classes = [0 for _ in range(model.SEG_PART)]
positive_classes = [0 for _ in range(model.SEG_PART)]
true_positive_classes = [0 for _ in range(model.SEG_PART)]
for filelist in sorted(os.listdir(TESTING_FILE_LIST)):
printout(flog,filelist)
mat_content = np.load(os.path.join(TESTING_FILE_LIST,filelist))
# choice = np.random.choice(mat_content.shape[0], model.SAMPLE_NUM, replace=False)
# mat_content = mat_content[choice, :]
xyz = mat_content[:, 0:3]
rgb = mat_content[:, 3:6] / 255.0
pc = np.concatenate((xyz, rgb), axis=1)
labels = np.squeeze(mat_content[:, -1]).astype(int)
seg_label = model.integer_label_to_one_hot_label(labels)
pointgrid, pointgrid_label, index = model.pc2voxel(pc, seg_label)
pointgrid = np.expand_dims(pointgrid, axis=0)
pointgrid_label = np.expand_dims(pointgrid_label, axis=0)
feed_dict = {
pointgrid_ph: pointgrid,
seg_label_ph: pointgrid_label,
is_training_ph: is_training,
}
t1 = time.time()
pred_seg_val = sess.run(pred_seg, feed_dict = feed_dict)
# pred_seg: of size B x N x N x N x (K+1) x NUM_PART_SEG
pred_seg_val = pred_seg_val[0, :, :, :, :, :]
pred_point_label = model.populateOneHotSegLabel(pc, pred_seg_val, index)
# pred_point_label: size n x 1
if purify == True:
pre_label = pred_point_label
for i in range(pc.shape[0]): #one point cloud num 2500--2800
idx = np.argsort(np.sum((pc[i, :] - pc) ** 2, axis=1))
j, L = 0, []
for _ in range(knn):
if (idx[j] == i):
j += 1
L.append(pre_label[idx[j]])
j += 1
majority = max(set(L), key=L.count)
if (pre_label[i] == 0 or len(set(L)) == 1):
pred_point_label[i] = majority
t2 = time.time()
print('one point cloud cost time:{}'.format(t2 - t1))
for j in range(pred_point_label.shape[0]):
# gt_classes[labels[j]-1]+=1
# if int(labels[j])==int(pred_point_label[j]):
# positive_classes[labels[j]-1]+=1
# else:
# negative_classes[labels[j]-1]+=1
gt_l = int(labels[j])
pred_l = int(pred_point_label[j])
gt_classes[gt_l] += 1
positive_classes[pred_l] += 1
true_positive_classes[gt_l] += int(gt_l == pred_l)
printout(flog, 'gt_l:{},positive_classes:{},true_positive_classes:{}'.format(gt_classes, positive_classes,
true_positive_classes))
printout(flog, 'gt_l count:{}'.format(gt_classes))
printout(flog, 'positive_classes count:{}'.format(positive_classes))
printout(flog, 'true_positive_classes count:{}'.format(true_positive_classes))
iou_list = []
for i in range(model.SEG_PART):
iou = true_positive_classes[i] / float(gt_classes[i] + positive_classes[i] - true_positive_classes[i])
iou_list.append(iou)
printout(flog, 'IOU:{}'.format(iou_list))
printout(flog, 'ACC:{}'.format(sum(true_positive_classes) / sum(positive_classes)))
printout(flog, 'mIOU:{}'.format(sum(iou_list) / float(model.SEG_PART)))