a lot

opencv/install.md

@@ -8,7 +8,7 @@
 ## ubuntu 
 
 ``` bash
-unzip opencv-3.4.0.zip
+unzip opencv-3.3.0.zip
 cd opencv
 
 sudo apt install cmake
@@ -19,7 +19,7 @@ cd my_build
 
 ## cmake 中会下载安装一个大文件，网速会很慢
 cmake -D CMAKE_BUILD_TYPE=Release \
-    -D OPENCV_EXTRA_MODULES_PATH=/home/lab_01/program/opencv_contrib-3.3.0/modules \
+    -D OPENCV_EXTRA_MODULES_PATH=/home/lab/program/opencv_contrib-3.3.0/modules \
     -D CMAKE_INSTALL_PREFIX=/usr/local ..
 
 sudo make
@@ -55,6 +55,8 @@ make
 # and you will see yourself
 # compete
 
+# sudo pip install  numpy opencv-python
+
 ```