Modify README

README.md

@@ -10,11 +10,29 @@ An image decode operator implementation with OpenCV.
 
 
 
+## Code Example
+
+Load a image from path './dog.jpg'. 
+
+ *Write the pipeline in simplified style*:
+
+```python
+import towhee
+
+towhee.glob(./dog.jpg)
+	.image_decode.cv2()
+  .show()
+```
+
+*Write a same pipeline with explicit inputs/outputs name specifications:*
+
 ```python
-import towhee import ops
+import towhee
 
-img_decode = ops.image_decode.cv2()
-img = img_decode('./dog.jpg')
+towhee.glob['path'](./dog.jpg)
+  .image_decode.cv2['path', 'img']()
+  .select('img')
+  .show()
 ```
 
 
@@ -23,7 +41,7 @@ img = img_decode('./dog.jpg')
 
 Create the operator via the following factory method
 
-***ops.image_decode.cv2()***
+***image_decode.cv2()***
 
 
 
@@ -47,28 +65,3 @@ An image decode operator takes an image path as input. It decodes the image back
 
 
 
-## Code Example
-
-Load a image from path './dog.jpg'. 
-
- *Write the pipeline in simplified style*:
-
-```python
-import towhee.DataCollection as dc
-
-dc.glob(./dog.jpg)
-  .image_decode.cv2()
-  .show()
-```
-
-*Write a same pipeline with explicit inputs/outputs name specifications:*
-
-```python
-import towhee.DataCollection as dc
-
-dc.glob['path'](./dog.jpg)
-  .image_decode.cv2['path', 'img']()
-  .select('img')
-  .show()
-```
-