这是一个通过摄像头进行摄像，并在按下键c时，进行拍照的程序，很不错，直接下载使用！-This is a camera through the camera, and press the button c, photographs, the procedure is very good, direct download!

通过opencv与c++增加一个控制图片灰度的控制条，拖动按钮可改变图片灰度-By adding a control opencv image with c++ gray control bar, drag the button to change the picture grayscale