diff --git a/adetailer/common.py b/adetailer/common.py
index cf3ad3f..9e1d1b9 100644
--- a/adetailer/common.py
+++ b/adetailer/common.py
@@ -3,11 +3,12 @@ from __future__ import annotations
 from collections import OrderedDict
 from dataclasses import dataclass, field
 from pathlib import Path
-from typing import Optional
+from typing import Any, Optional
 
 from huggingface_hub import hf_hub_download
 from PIL import Image, ImageDraw
 from rich import print
+from torchvision.transforms.functional import to_pil_image
 
 REPO_ID = "Bingsu/adetailer"
 _download_failed = False
@@ -133,3 +134,11 @@ def create_bbox_from_mask(
         if bbox is not None:
             bboxes.append(list(bbox))
     return bboxes
+
+
+def ensure_pil_image(image: Any, mode: str = "RGB") -> Image.Image:
+    if not isinstance(image, Image.Image):
+        image = to_pil_image(image)
+    if image.mode != mode:
+        image = image.convert(mode)
+    return image
diff --git a/adetailer/mask.py b/adetailer/mask.py
index c76d2a8..5514828 100644
--- a/adetailer/mask.py
+++ b/adetailer/mask.py
@@ -3,13 +3,14 @@ from __future__ import annotations
 from enum import IntEnum
 from functools import partial, reduce
 from math import dist
+from typing import Any
 
 import cv2
 import numpy as np
 from PIL import Image, ImageChops
 
 from adetailer.args import MASK_MERGE_INVERT
-from adetailer.common import PredictOutput
+from adetailer.common import PredictOutput, ensure_pil_image
 
 
 class SortBy(IntEnum):
@@ -89,12 +90,9 @@ def is_all_black(img: Image.Image | np.ndarray) -> bool:
     return cv2.countNonZero(img) == 0
 
 
-def has_intersection(im1: Image.Image, im2: Image.Image) -> bool:
-    if im1.mode != "L" or im2.mode != "L":
-        msg = "Both images must be grayscale"
-        raise ValueError(msg)
-    arr1 = np.array(im1)
-    arr2 = np.array(im2)
+def has_intersection(im1: Any, im2: Any) -> bool:
+    arr1 = np.array(ensure_pil_image(im1, "L"))
+    arr2 = np.array(ensure_pil_image(im2, "L"))
     return not is_all_black(cv2.bitwise_and(arr1, arr2))
 
 
diff --git a/scripts/!adetailer.py b/scripts/!adetailer.py
index 534eae0..18f6382 100644
--- a/scripts/!adetailer.py
+++ b/scripts/!adetailer.py
@@ -16,7 +16,6 @@ import gradio as gr
 import torch
 from PIL import Image
 from rich import print
-from torchvision.transforms.functional import to_pil_image
 
 import modules
 from adetailer import (
@@ -27,7 +26,7 @@ from adetailer import (
     ultralytics_predict,
 )
 from adetailer.args import ALL_ARGS, BBOX_SORTBY, ADetailerArgs, SkipImg2ImgOrig
-from adetailer.common import PredictOutput
+from adetailer.common import PredictOutput, ensure_pil_image
 from adetailer.mask import (
     filter_by_ratio,
     filter_k_largest,
@@ -582,14 +581,6 @@ class AfterDetailerScript(scripts.Script):
             masks = self.inpaint_mask_filter(p.image_mask, masks)
         return masks
 
-    @staticmethod
-    def ensure_rgb_image(image: Any):
-        if not isinstance(image, Image.Image):
-            image = to_pil_image(image)
-        if image.mode != "RGB":
-            image = image.convert("RGB")
-        return image
-
     @staticmethod
     def i2i_prompts_replace(
         i2i, prompts: list[str], negative_prompts: list[str], j: int
@@ -737,7 +728,7 @@ class AfterDetailerScript(scripts.Script):
         p2 = copy(i2i)
         for j in range(steps):
             p2.image_mask = masks[j]
-            p2.init_images[0] = self.ensure_rgb_image(p2.init_images[0])
+            p2.init_images[0] = ensure_pil_image(p2.init_images[0], "RGB")
             self.i2i_prompts_replace(p2, ad_prompts, ad_negatives, j)
 
             if re.match(r"^\s*\[SKIP\]\s*$", p2.prompt):
@@ -771,7 +762,7 @@ class AfterDetailerScript(scripts.Script):
             return
 
         pp.image = self.get_i2i_init_image(p, pp)
-        pp.image = self.ensure_rgb_image(pp.image)
+        pp.image = ensure_pil_image(pp.image, "RGB")
         init_image = copy(pp.image)
         arg_list = self.get_args(p, *args_)
         params_txt_content = Path(paths.data_path, "params.txt").read_text("utf-8")