Debugsession N2 - New fallback for LOWRES images

processing/utils/image_processing_utils.py

@@ -194,6 +194,16 @@ def get_image_bit_depth(image_path_str: str) -> Optional[int]:
         print(f"Error getting bit depth for {image_path_str}: {e}")
         return None
 
+def get_image_channels(image_data: np.ndarray) -> Optional[int]:
+    """Determines the number of channels in an image."""
+    if image_data is None:
+        return None
+    if len(image_data.shape) == 2: # Grayscale
+        return 1
+    elif len(image_data.shape) == 3: # Color
+        return image_data.shape[2]
+    return None # Unknown shape
+
 def calculate_image_stats(image_data: np.ndarray) -> Optional[Dict]:
     """
     Calculates min, max, mean for a given numpy image array.