chore: better docstrings

Author: 404Simon

vesskel/thin.py

@@ -11,8 +11,6 @@ def lee94_thin(img):
     ----------
     img : ndarray
         2D binary image or 3D binary volume (0=background, 1=foreground).
-    verbose : bool, optional
-        Passed through to the underlying implementation.
 
     Returns
     -------

vesskel/thin_3d.py

@@ -402,7 +402,23 @@ def _compute_thin_image(img):
 
 
 def thin_3d(img):
-    """Lee94 thinning algorithm for a 3D binary volume."""
+    """Lee94 thinning algorithm for a 3D binary volume.
+
+    Parameters
+    ----------
+    img : ndarray
+        3D binary volume (0=background, 1=foreground).
+
+    Returns
+    -------
+    ndarray
+        Thinned binary volume with the same shape as img.
+
+    Raises
+    ------
+    ValueError
+        If input is not 3-dimensional.
+    """
     if img.ndim != 3:
         raise ValueError(f"Expected 3D input, got {img.ndim}D")