update

app.py

@@ -7,34 +7,8 @@ from PIL import Image
 from itertools import product
 
 def show_preview(image):
-    """Show pseudo-RGB composite preview."""
-    if image is None:
-        return None
-    
-    try:
-        # Process to pseudo-RGB composite (same as pipeline does)
-        d = image.size[0] // 2
-        boxes = [(j, i, j + d, i + d) for i, j in product(range(0, image.height, d), range(0, image.width, d))]
-        stack = np.stack([np.array(image.crop(box), dtype=float) for box in boxes], axis=-1)
-        green, red, red_edge, nir = np.split(stack, 4, axis=-1)
-        
-        # Pseudo-RGB: (green, red_edge, red)
-        composite = np.concatenate([green, red_edge, red], axis=-1)
-        
-        # Normalize to uint8
-        composite = np.nan_to_num(composite, nan=0.0, posinf=0.0, neginf=0.0)
-        ptp = np.ptp(composite)
-        if ptp > 0:
-            normalized = (composite - composite.min()) / (ptp + 1e-6) * 255
-        else:
-            normalized = np.zeros_like(composite)
-        composite_uint8 = np.clip(normalized, 0, 255).astype(np.uint8)
-        
-        # Convert to PIL for display
-        return Image.fromarray(composite_uint8)
-    except Exception as e:
-        # Fallback: return original if processing fails
-        return image
+    """Show uploaded image as-is."""
+    return image
 
 def process(image):
     if image is None: