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2179 Add warnings for inf/nan surface distance #2205

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Merged
rijobro merged 1 commit into from
May 17, 2021
Merged

2179 Add warnings for inf/nan surface distance #2205

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3 changes: 3 additions & 0 deletions monai/metrics/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.

import warnings
from typing import Tuple, Union

import numpy as np
Expand Down Expand Up @@ -189,9 +190,11 @@ def get_surface_distance(

if not np.any(seg_gt):
dis = np.inf * np.ones_like(seg_gt)
warnings.warn("ground truth is all 0, this may result in nan/inf distance.")
else:
if not np.any(seg_pred):
dis = np.inf * np.ones_like(seg_gt)
warnings.warn("prediction is all 0, this may result in nan/inf distance.")
return np.asarray(dis[seg_gt])
if distance_metric == "euclidean":
dis = distance_transform_edt(~seg_gt)
Expand Down