Change deprecated scipy.ndimage namespaces in optional imports (Proje…

…ct-MONAI#7847)

Fixes Project-MONAI#7677 .

### Description

A few sentences describing the changes proposed in this pull request.

### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).
- [ ] Integration tests passed locally by running `./runtests.sh -f -u
--net --coverage`.
- [ ] Quick tests passed locally by running `./runtests.sh --quick
--unittests --disttests`.

---------

Signed-off-by: alkamid <adam.klimont@cydar.co.uk>
Co-authored-by: YunLiu <55491388+KumoLiu@users.noreply.github.com>

monai/apps/deepedit/transforms.py

@@ -30,7 +30,7 @@
 
 logger = logging.getLogger(__name__)
 
-distance_transform_cdt, _ = optional_import("scipy.ndimage.morphology", name="distance_transform_cdt")
+distance_transform_cdt, _ = optional_import("scipy.ndimage", name="distance_transform_cdt")
 
 
 class DiscardAddGuidanced(MapTransform):

monai/apps/deepgrow/transforms.py

@@ -27,7 +27,7 @@
 from monai.utils.enums import PostFix
 
 measure, _ = optional_import("skimage.measure", "0.14.2", min_version)
-distance_transform_cdt, _ = optional_import("scipy.ndimage.morphology", name="distance_transform_cdt")
+distance_transform_cdt, _ = optional_import("scipy.ndimage", name="distance_transform_cdt")
 
 DEFAULT_POST_FIX = PostFix.meta()
 

monai/apps/nuclick/transforms.py

@@ -24,7 +24,7 @@
 
 measure, _ = optional_import("skimage.measure")
 morphology, _ = optional_import("skimage.morphology")
-distance_transform_cdt, _ = optional_import("scipy.ndimage.morphology", name="distance_transform_cdt")
+distance_transform_cdt, _ = optional_import("scipy.ndimage", name="distance_transform_cdt")
 
 
 class NuclickKeys(StrEnum):

monai/apps/pathology/transforms/post/array.py

@@ -33,7 +33,7 @@
 from monai.utils.misc import ensure_tuple_rep
 from monai.utils.type_conversion import convert_to_dst_type, convert_to_tensor
 
-label, _ = optional_import("scipy.ndimage.measurements", name="label")
+label, _ = optional_import("scipy.ndimage", name="label")
 disk, _ = optional_import("skimage.morphology", name="disk")
 opening, _ = optional_import("skimage.morphology", name="opening")
 watershed, _ = optional_import("skimage.segmentation", name="watershed")

monai/apps/pathology/utils.py

@@ -33,10 +33,10 @@ def compute_multi_instance_mask(mask: np.ndarray, threshold: float) -> Any:
     """
 
     neg = 255 - mask * 255
-    distance = ndimage.morphology.distance_transform_edt(neg)
+    distance = ndimage.distance_transform_edt(neg)
     binary = distance < threshold
 
-    filled_image = ndimage.morphology.binary_fill_holes(binary)
+    filled_image = ndimage.binary_fill_holes(binary)
     multi_instance_mask = measure.label(filled_image, connectivity=2)
 
     return multi_instance_mask

monai/metrics/utils.py

@@ -35,9 +35,9 @@
     optional_import,
 )
 
-binary_erosion, _ = optional_import("scipy.ndimage.morphology", name="binary_erosion")
-distance_transform_edt, _ = optional_import("scipy.ndimage.morphology", name="distance_transform_edt")
-distance_transform_cdt, _ = optional_import("scipy.ndimage.morphology", name="distance_transform_cdt")
+binary_erosion, _ = optional_import("scipy.ndimage", name="binary_erosion")
+distance_transform_edt, _ = optional_import("scipy.ndimage", name="distance_transform_edt")
+distance_transform_cdt, _ = optional_import("scipy.ndimage", name="distance_transform_cdt")
 
 __all__ = [
     "ignore_background",

monai/transforms/signal/array.py

@@ -28,7 +28,7 @@
 from monai.utils.enums import TransformBackends
 from monai.utils.type_conversion import convert_data_type, convert_to_tensor
 
-shift, has_shift = optional_import("scipy.ndimage.interpolation", name="shift")
+shift, has_shift = optional_import("scipy.ndimage", name="shift")
 iirnotch, has_iirnotch = optional_import("scipy.signal", name="iirnotch")
 with warnings.catch_warnings():
     warnings.simplefilter("ignore", UserWarning)  # project-monai/monai#5204