Freeze/head/decoder

requirements/required.txt

@@ -15,7 +15,7 @@ lightning==2.4.0
 git+https://github.com/qubvel-org/segmentation_models.pytorch.git@3952e1f8e9684a385a81e30381b8fb5b1ac086cf
 timm==1.0.11
 numpy==1.26.4
-jsonargparse==4.32.0
+jsonargparse<=4.35.0
 
 # These dependencies are optional
 # and must be installed just in case 

terratorch/models/pixel_wise_model.py

@@ -75,6 +75,8 @@ def freeze_encoder(self):
 
     def freeze_decoder(self):
         freeze_module(self.decoder)
+
+    def freeze_head(self):
         freeze_module(self.head)
 
     # TODO: do this properly

terratorch/models/scalar_output_model.py

@@ -69,6 +69,8 @@ def freeze_encoder(self):
 
     def freeze_decoder(self):
         freeze_module(self.decoder)
+
+    def freeze_head(self):
         freeze_module(self.head)
 
     # TODO: do this properly

terratorch/tasks/base_task.py

@@ -47,6 +47,9 @@ def configure_models(self) -> None:
         if self.hparams["freeze_decoder"]:
             self.model.freeze_decoder()
 
+        if self.hparams["freeze_head"]:
+            self.model.freeze_head()
+
     def configure_optimizers(
         self,
     ) -> "lightning.pytorch.utilities.types.OptimizerLRSchedulerConfig":

terratorch/tasks/classification_tasks.py

@@ -64,6 +64,7 @@ def __init__(
         #
         freeze_backbone: bool = False,  # noqa: FBT001, FBT002
         freeze_decoder: bool = False,  # noqa: FBT002, FBT001
+        freeze_head: bool = False,  # noqa: FBT002, FBT001
         class_names: list[str] | None = None,
         test_dataloaders_names: list[str] | None = None,
         lr_overrides: dict[str, float] | None = None,
@@ -99,7 +100,8 @@ def __init__(
             scheduler_hparams (dict | None): Parameters to be passed for instantiation of the scheduler.
                 Overriden by config / cli specification through LightningCLI.
             freeze_backbone (bool, optional): Whether to freeze the backbone. Defaults to False.
-            freeze_decoder (bool, optional): Whether to freeze the decoder and segmentation head. Defaults to False.
+            freeze_decoder (bool, optional): Whether to freeze the decoder. Defaults to False.
+            freeze_head (bool, optional): Whether to freeze the segmentation_head. Defaults to False.
             class_names (list[str] | None, optional): List of class names passed to metrics for better naming.
                 Defaults to numeric ordering.
             test_dataloaders_names (list[str] | None, optional): Names used to differentiate metrics when

terratorch/tasks/regression_tasks.py

@@ -153,6 +153,7 @@ def __init__(
         #
         freeze_backbone: bool = False,  # noqa: FBT001, FBT002
         freeze_decoder: bool = False,  # noqa: FBT001, FBT002
+        freeze_head: bool = False,  # noqa: FBT001, FBT002
         plot_on_val: bool | int = 10,
         tiled_inference_parameters: TiledInferenceParameters | None = None,
         test_dataloaders_names: list[str] | None = None,
@@ -186,7 +187,8 @@ def __init__(
             scheduler_hparams (dict | None): Parameters to be passed for instantiation of the scheduler.
                 Overriden by config / cli specification through LightningCLI.
             freeze_backbone (bool, optional): Whether to freeze the backbone. Defaults to False.
-            freeze_decoder (bool, optional): Whether to freeze the decoder and segmentation head. Defaults to False.
+            freeze_decoder (bool, optional): Whether to freeze the decoder. Defaults to False.
+            freeze_head (bool, optional): Whether to freeze the segmentation head. Defaults to False.
             plot_on_val (bool | int, optional): Whether to plot visualizations on validation.
                 If true, log every epoch. Defaults to 10. If int, will plot every plot_on_val epochs.
             tiled_inference_parameters (TiledInferenceParameters | None, optional): Inference parameters

terratorch/tasks/segmentation_tasks.py

@@ -60,6 +60,7 @@ def __init__(
         #
         freeze_backbone: bool = False,  # noqa: FBT001, FBT002
         freeze_decoder: bool = False,  # noqa: FBT002, FBT001
+        freeze_head: bool = False, 
         plot_on_val: bool | int = 10,
         class_names: list[str] | None = None,
         tiled_inference_parameters: TiledInferenceParameters = None,
@@ -97,7 +98,8 @@ def __init__(
             scheduler_hparams (dict | None): Parameters to be passed for instantiation of the scheduler.
                 Overriden by config / cli specification through LightningCLI.
             freeze_backbone (bool, optional): Whether to freeze the backbone. Defaults to False.
-            freeze_decoder (bool, optional): Whether to freeze the decoder and segmentation head. Defaults to False.
+            freeze_decoder (bool, optional): Whether to freeze the decoder. Defaults to False.
+            freeze_head (bool, optional): Whether to freeze the segmentation head. Defaults to False.
             plot_on_val (bool | int, optional): Whether to plot visualizations on validation.
             If true, log every epoch. Defaults to 10. If int, will plot every plot_on_val epochs.
             class_names (list[str] | None, optional): List of class names passed to metrics for better naming.

tests/resources/configs/manufactured-finetune_prithvi_swin_B.yaml

@@ -129,6 +129,7 @@ model:
     ignore_index: -1
     freeze_backbone: true
     freeze_decoder: false
+    freeze_head: false
     model_factory: PrithviModelFactory
 
     # uncomment this block for tiled inference