Implement all missing docstrings (#5298)

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

ultralytics/models/fastsam/predict.py

@@ -9,14 +9,45 @@ from ultralytics.utils import DEFAULT_CFG, ops
 
 
 class FastSAMPredictor(DetectionPredictor):
+    """
+    FastSAMPredictor is specialized for fast SAM (Segment Anything Model) segmentation prediction tasks in Ultralytics
+    YOLO framework.
+
+    This class extends the DetectionPredictor, customizing the prediction pipeline specifically for fast SAM.
+    It adjusts post-processing steps to incorporate mask prediction and non-max suppression while optimizing
+    for single-class segmentation.
+
+    Attributes:
+        cfg (dict): Configuration parameters for prediction.
+        overrides (dict, optional): Optional parameter overrides for custom behavior.
+        _callbacks (dict, optional): Optional list of callback functions to be invoked during prediction.
+    """
 
     def __init__(self, cfg=DEFAULT_CFG, overrides=None, _callbacks=None):
-        """Initializes FastSAMPredictor class by inheriting from DetectionPredictor and setting task to 'segment'."""
+        """
+        Initializes the FastSAMPredictor class, inheriting from DetectionPredictor and setting the task to 'segment'.
+
+        Args:
+            cfg (dict): Configuration parameters for prediction.
+            overrides (dict, optional): Optional parameter overrides for custom behavior.
+            _callbacks (dict, optional): Optional list of callback functions to be invoked during prediction.
+        """
         super().__init__(cfg, overrides, _callbacks)
         self.args.task = 'segment'
 
     def postprocess(self, preds, img, orig_imgs):
-        """Postprocesses the predictions, applies non-max suppression, scales the boxes, and returns the results."""
+        """
+        Perform post-processing steps on predictions, including non-max suppression and scaling boxes to original image
+        size, and returns the final results.
+
+        Args:
+            preds (list): The raw output predictions from the model.
+            img (torch.Tensor): The processed image tensor.
+            orig_imgs (list | torch.Tensor): The original image or list of images.
+
+        Returns:
+            (list): A list of Results objects, each containing processed boxes, masks, and other metadata.
+        """
         p = ops.non_max_suppression(
             preds[0],
             self.args.conf,