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@@ -23,4 +23,40 @@ OCR前处理工具箱，基于Qt和Leptonica。
 
 ![](https://github.com/GreatV/optlab/raw/main/docs/images/1_1.png)
 
-![](https://github.com/GreatV/optlab/raw/main/docs/images/1_2.png)
\ No newline at end of file
+![](https://github.com/GreatV/optlab/raw/main/docs/images/1_2.png)
+
+### 旋转
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/2_2.png)
+
+### 缩放
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/3_2.png)
+
+### 二值化
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/4_0.png)
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/4_1.png)
+
+
+### 去倾斜
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/5_0.png)
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/5_1.png)
+
+
+### 去噪
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/6_0.png)
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/6_1.png)
+
+### 膨胀
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/7_1.png)
+
+### 腐蚀
+
+![](https://github.com/GreatV/optlab/raw/main/docs/images/8_1.png)
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