Update forensics/ela.py

forensics/ela.py

@@ -40,6 +40,8 @@ def ELA(img, quality=75, scale=50, contrast=20, linear=False, grayscale=False):
         Processed ELA image
     """
     # Convert image to float32 and normalize
+    if isinstance(img, Image.Image):
+        img = np.asarray(img.convert("RGB"))[:, :, ::-1]  # PIL→BGR
     original = img.astype(np.float32) / 255
     
     # Compress image
@@ -61,4 +63,4 @@ def ELA(img, quality=75, scale=50, contrast=20, linear=False, grayscale=False):
     if grayscale:
         ela = desaturate(ela)
     
-    return Image.fromarray(ela) 
+    return Image.fromarray(ela)