diff --git a/facefusion/face_store.py b/facefusion/face_store.py
index ccb8380..812221d 100644
--- a/facefusion/face_store.py
+++ b/facefusion/face_store.py
@@ -17,29 +17,24 @@ def get_face_store() -> FaceStore:
 
 
 def get_static_faces(vision_frame : VisionFrame) -> Optional[List[Face]]:
-	frame_hash = create_frame_hash(vision_frame)
-	if frame_hash in FACE_STORE['static_faces']:
-		return FACE_STORE['static_faces'][frame_hash]
+	vision_area = crop_vision_area(vision_frame)
+	vision_hash = create_hash(vision_area.tobytes())
+	if vision_hash in FACE_STORE['static_faces']:
+		return FACE_STORE['static_faces'][vision_hash]
 	return None
 
 
 def set_static_faces(vision_frame : VisionFrame, faces : List[Face]) -> None:
-	frame_hash = create_frame_hash(vision_frame)
-	if frame_hash:
-		FACE_STORE['static_faces'][frame_hash] = faces
+	vision_area = crop_vision_area(vision_frame)
+	vision_hash = create_hash(vision_area.tobytes())
+	if vision_hash:
+		FACE_STORE['static_faces'][vision_hash] = faces
 
 
 def clear_static_faces() -> None:
 	FACE_STORE['static_faces'].clear()
 
 
-def create_frame_hash(vision_frame : VisionFrame) -> Optional[str]:
-	if numpy.any(vision_frame):
-		frame_hash = create_hash(vision_frame.tobytes())
-		return frame_hash
-	return None
-
-
 def get_reference_faces() -> Optional[FaceSet]:
 	if FACE_STORE['reference_faces']:
 		return FACE_STORE['reference_faces']
@@ -54,3 +49,10 @@ def append_reference_face(name : str, face : Face) -> None:
 
 def clear_reference_faces() -> None:
 	FACE_STORE['reference_faces'].clear()
+
+
+def crop_vision_area(vision_frame : VisionFrame) -> VisionFrame:
+	height, width = vision_frame.shape[:2]
+	center_y, center_x = height // 2, width // 2
+	vision_area = vision_frame[center_y - 16 : center_y + 16, center_x - 16 : center_x + 16]
+	return vision_area