/*************************************************************************

 *                     I.MX6 Python3 OpenCV

 * 说明：

 *     移植一下OpenCV，看一下图像处理效果，目前感觉还行了，应该是不错的了。

 *

 *                                   2017-2-14 深圳 南山平山村 曾剑锋

 ************************************************************************/

一、 参考文档：

    . OpenCV Python教程（、图像的载入、显示和保存）

        http://blog.csdn.net/sunny2038/article/details/9057415

二、图片获取、处理：

    [zengjf@root ~] # python

    Python 3.5. (default, Jan  , ::)

    [GCC 4.8.  (prerelease)] on linux

    Type "help", "copyright", "credits" or "license" for more information.

    >>> import cv2 as cv

    Traceback (most recent call last):

      File "<stdin>", line , in <module>

    ImportError: No module named 'cv2'

    [zengjf@root ~] # find / -iname cv2*

    /usr/lib/python3./site-packages/cv2.cpython-35m-x86_64-linux-gnu.so

    [zengjf@root ~] # mv /usr/lib/python3./site-packages/cv2.cpython-35m-x86_64-linux-gnu.so /usr/lib/python3./site-packages/cv2.so

    [zengjf@root ~] # fswebcam -d /dev/video1 --no-banner -r 640x480 zengjf.jpg

    --- Opening /dev/video1...

    Trying source module v4l2...

    /dev/video1 opened.

    No input was specified, using the first.

    --- Capturing frame...

    Captured frame in 0.00 seconds.

    --- Processing captured image...

    Disabling banner.

    Writing JPEG image to 'zengjf.jpg'.

    [zengjf@root ~] # python

    Python 3.5. (default, Jan  , ::)

    [GCC 4.8.  (prerelease)] on linux

    Type "help", "copyright", "credits" or "license" for more information.

    >>> import cv2

    >>> cv2.__version__

    '3.1.0'

    >>> img = cv2.imread("./zengjf.jpg")

    >>> cv2.imwrite("./zengjf1.jpg", img, [int(cv2.IMWRITE_JPEG_QUALITY), ])

    True

    >>> quit()