ubuntu下python+opencv3.2+SIFT特征点配置

-* 下载文件opencv和opencv_contrib文件*
- 经过多次尝试一下命令可以保证运行(python2.7+opencv3.2.0+ubuntu16.04)
- 参考https://hub.docker.com/r/schickling/opencv/~/dockerfile/的dockerfile的命令

安装过程

1. sudo apt-get update
2. sudo apt-get upgrade
3. sudo apt-get install -y libopencv-dev yasm libjpeg-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.0-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils pkg-config
4. sudo apt-get install -y curl build-essential checkinstall cmake# download opencv
5. sudo curl -sL https://github.com/Itseez/opencv/archive/$OPENCV_VERISON.tar.gz | tar xvz -C /tmp#如果下载过无需执行
6. mkdir -p /tmp/opencv/build
   6.注释 #WORKDIR /tmp/opencv-$OPENCV_VERISON/build
7. sudo cmake -DWITH_FFMPEG=OFF -DWITH_OPENEXR=OFF -DBUILD_TIFF=OFF -DWITH_CUDA=OFF -DWITH_NVCUVID=OFF -DBUILD_PNG=OFF -D OPENCV_EXTRA_MODULES_PATH=/home/cunrui/tmp/opencv_contrib/modules/ ..
8. sudo make
9. sudo make install
10. 注释# configure RUN
11. sudo -i
12. echo “/usr/local/lib” > /etc/ld.so.conf.d/opencv.conf
13. ldconfig
    ### 代码块
    代码块语法遵循标准markdown代码，例如：

import cv2import numpy as npimport sysprint cv2.__version__img = cv2.imread('/cunrui/1.jpg')gray = cv2.cvtColor(img,cv2.COLOR_RGB2GRAY)detector = cv2.xfeatures2d.SIFT_create()kp1, desc1 = detector.detectAndCompute(gray, None)img = cv2.drawKeypoints(image=img,outImage=img,keypoints= kp1,flags=cv2.DRAW_MATCHES_FLAGS_DRAW_RICH_KEYPOINTS,color=(51,163,236))cv2.imshow('image',img)cv2.waitKey(0)cv2.destroyAllWindows()