diff --git a/src/arcaea_offline_ocr/extractor/__init__.py b/src/arcaea_offline_ocr/extractor/__init__.py
index e69de29..c288e7f 100644
--- a/src/arcaea_offline_ocr/extractor/__init__.py
+++ b/src/arcaea_offline_ocr/extractor/__init__.py
@@ -0,0 +1,2 @@
+from .common import Extractor
+from .sizes import *
diff --git a/src/arcaea_offline_ocr/extractor/common.py b/src/arcaea_offline_ocr/extractor/common.py
index 64d5e49..f723aff 100644
--- a/src/arcaea_offline_ocr/extractor/common.py
+++ b/src/arcaea_offline_ocr/extractor/common.py
@@ -1,5 +1,45 @@
+import cv2
+
+from ..crop import crop_xywh
 from .sizes.common import Sizes
 
 
 class Extractor:
-    sizes: Sizes
+    def __init__(self, img: cv2.Mat, sizes: Sizes):
+        self.img = img
+        self.sizes = sizes
+
+    def __construct_int_rect(self, rect):
+        return tuple(round(r) for r in rect)
+
+    @property
+    def pure(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.pure))
+
+    @property
+    def far(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.far))
+
+    @property
+    def lost(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.lost))
+
+    @property
+    def score(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.score))
+
+    @property
+    def rating_class(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.rating_class))
+
+    @property
+    def max_recall(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.max_recall))
+
+    @property
+    def clear_status(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.clear_status))
+
+    @property
+    def partner_icon(self):
+        return crop_xywh(self.img, self.__construct_int_rect(self.sizes.partner_icon))