update readme

README.md

@@ -7,13 +7,6 @@
 
 It is a simple demo including face detection and face aligment, and some optimizations were made to make the result better.
 
-
-The keypoint model encodes and decodes the x and y coordinates using heatmap and offset of x and y, 
-achieving SOTA on WFLW dataset. 
-Like object detection, heatmap predicts which point is a positive sample on the featuremap, 
-represented as a highlighted area, while x and y offsets are responsible for predicting the specific coordinates of these positive samples.
-And it achieves NME 3.95 on WFLW with no extern data.
-
 click the gif to see the video:
 [![demo](https://github.com/610265158/simpleface-engine/blob/master/figure/sample.gif)](https://v.youku.com/v_show/id_XNDM3MTY4MTM2MA==.html?spm=a2h3j.8428770.3416059.1)
 
@@ -50,23 +43,38 @@ and with face mask:
 
   I will release new model when there is better one. 7.5K trainning data is not enough for a very good model. Please label more data if needed.
 
-## useage
 
-1. pretrained models are in ./pretrained, for easy to use ,we convert them to mnn
-2. run `python demo.py --cam_id 0` use a camera    
-   or  `python demo.py --video test.mp4`  detect for a video    
-   or  `python demo.py --img_dir ./test`  detect for images dir no track   
-   or  `python demo.py --video test.mp4 --mask True` if u want a face mask
 
 
+## install
+```
+git clone https://github.com/610265158/Peppa_Pig_Face_Landmark
+python setup.py install
+```
+
+## useage
 
 ```python
 # by code:
-from lib import FaceAna
+
+from Skps import FaceAna
 facer = FaceAna()
+
+
 boxes, landmarks, _ = facer.run(image)
-
+
+## detect images, tracing is not used, add
+##  facer.reset()
 ```
 
+More details refer to demo.py
+run `python demo.py --cam_id 0` use a camera    
+or  `python demo.py --video test.mp4`  detect for a video    
+or  `python demo.py --img_dir ./test`  detect for images dir no track   
+or  `python demo.py --video test.mp4 --mask True` if u want a face mask
+
+
+
+