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5414 size/size() for metatensor compatibility #5415

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Merged
wyli merged 1 commit into from
Oct 27, 2022
Merged

5414 size/size() for metatensor compatibility #5415

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6 changes: 3 additions & 3 deletions monai/transforms/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -505,11 +505,11 @@ def generate_pos_neg_label_crop_centers(
raise ValueError("No sampling location available.")

if len(fg_indices) == 0 or len(bg_indices) == 0:
pos_ratio = 0 if len(fg_indices) == 0 else 1
warnings.warn(
f"N foreground {len(fg_indices)}, N background {len(bg_indices)},"
"unable to generate class balanced samples."
f"Num foregrounds {len(fg_indices)}, Num backgrounds {len(bg_indices)}, "
f"unable to generate class balanced samples, setting `pos_ratio` to {pos_ratio}."
)
pos_ratio = 0 if fg_indices.size == 0 else 1

for _ in range(num_samples):
indices_to_use = fg_indices if rand_state.rand() < pos_ratio else bg_indices
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15 changes: 14 additions & 1 deletion tests/test_generate_pos_neg_label_crop_centers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,20 @@
list,
2,
3,
]
],
[
{
"spatial_size": [2, 2, 2],
"num_samples": 2,
"pos_ratio": 0.0,
"label_spatial_shape": [3, 3, 3],
"fg_indices": [],
"bg_indices": [3, 12, 21],
},
list,
2,
3,
],
]


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