mode + padding_mode input args added

Signed-off-by: bluna301 <[email protected]>

Author: bluna301

monai/deploy/operators/monai_seg_inference_operator.py

@@ -1,4 +1,4 @@
-# Copyright 2021-2023 MONAI Consortium
+# Copyright 2021-2025 MONAI Consortium
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -47,13 +47,29 @@
 __all__ = ["MonaiSegInferenceOperator", "InfererType", "InMemImageReader"]
 
 
+class BlendModeType(StrEnum):
+    """Represents the supported blend modes for sliding window inference."""
+
+    CONSTANT = "constant"
+    GAUSSIAN = "gaussian"
+
+
 class InfererType(StrEnum):
     """Represents the supported types of the inferer, e.g. Simple and Sliding Window."""
 
     SIMPLE = "simple"
     SLIDING_WINDOW = "sliding_window"
 
 
+class PytorchPadModeType(StrEnum):
+    """Represents the supported padding modes for sliding window inference."""
+
+    CONSTANT = "constant"
+    REFLECT = "reflect"
+    REPLICATE = "replicate"
+    CIRCULAR = "circular"
+
+
 # @md.env(pip_packages=["monai>=1.0.0", "torch>=1.10.2", "numpy>=1.21"])
 class MonaiSegInferenceOperator(InferenceOperator):
     """This segmentation operator uses MONAI transforms and Sliding Window Inference.
@@ -85,6 +101,8 @@ def __init__(
         model_name: Optional[str] = "",
         overlap: float = 0.25,
         sw_batch_size: int = 4,
+        mode: Union[BlendModeType, str] = BlendModeType.CONSTANT,
+        padding_mode: Union[PytorchPadModeType, str] = PytorchPadModeType.CONSTANT,
         inferer: Union[InfererType, str] = InfererType.SLIDING_WINDOW,
         model_path: Path = MODEL_LOCAL_PATH,
         **kwargs,
@@ -103,7 +121,12 @@ def __init__(
             overlap (float): The amount of overlap between scans along each spatial dimension. Defaults to 0.25.
                              Applicable for "SLIDING_WINDOW" only.
             sw_batch_size(int): The batch size to run window slices. Defaults to 4.
-                                Applicable for "SLIDING_WINDOW" only.
+                             Applicable for "SLIDING_WINDOW" only.
+            mode (BlendMode): How to blend output of overlapping windows, "CONSTANT" or "GAUSSIAN". Defaults to "CONSTANT".
+                             Applicable for "SLIDING_WINDOW" only.
+            padding_mode (PytorchPadMode): Padding mode for ``inputs``, when ``roi_size`` is larger than inputs,
+                             "CONSTANT", "REFLECT", "REPLICATE", or "CIRCULAR". Defaults to "CONSTANT".
+                             Applicable for "SLIDING_WINDOW" only.
             inferer (InfererType): The type of inferer to use, "SIMPLE" or "SLIDING_WINDOW". Defaults to "SLIDING_WINDOW".
             model_path (Path): Path to the model file. Defaults to model/models.ts of current working dir.
         """
@@ -121,6 +144,8 @@ def __init__(
         self._model_name = model_name.strip() if isinstance(model_name, str) else ""
         self._overlap = overlap
         self._sw_batch_size = sw_batch_size
+        self._mode = mode
+        self._padding_mode = padding_mode
         self._inferer = inferer
 
         # Add this so that the local model path can be set from the calling app
@@ -215,6 +240,28 @@ def sw_batch_size(self, val: int):
             raise ValueError("sw_batch_size must be a positive integer.")
         self._sw_batch_size = val
 
+    @property
+    def mode(self) -> Union[BlendModeType, str]:
+        """The blend mode used during sliding window inference"""
+        return self._mode
+
+    @mode.setter
+    def mode(self, val: BlendModeType):
+        if not isinstance(val, BlendModeType):
+            raise ValueError(f"Value must be of the correct type {BlendModeType}.")
+        self._mode = val
+
+    @property
+    def padding_mode(self) -> Union[PytorchPadModeType, str]:
+        """The padding mode to use when padding input images for inference"""
+        return self._padding_mode
+
+    @padding_mode.setter
+    def padding_mode(self, val: PytorchPadModeType):
+        if not isinstance(val, PytorchPadModeType):
+            raise ValueError(f"Value must be of the correct type {PytorchPadModeType}.")
+        self._padding_mode = val
+
     @property
     def inferer(self) -> Union[InfererType, str]:
         """The type of inferer to use"""
@@ -320,6 +367,8 @@ def compute_impl(self, input_image, context):
                         roi_size=self._roi_size,
                         sw_batch_size=self.sw_batch_size,
                         overlap=self.overlap,
+                        mode=self._mode,
+                        padding_mode=self._padding_mode,
                         predictor=self.model,
                     )
                 elif self._inferer == InfererType.SIMPLE: