Opencv_12_图像色彩空间转换

   void inrange(Mat& image); 

void ColorInvert::inrange(Mat& image)
{
    Mat hsv;
    cvtColor(image,hsv, COLOR_BGR2HSV);

    Mat mask;
    inRange(hsv, Scalar(35, 43, 46), Scalar(77, 255, 255), mask);

    Mat redback = Mat::zeros(image.size(), image.type());

    redback = Scalar(40, 40, 200);
    bitwise_not(mask, mask);
    imshow("mask", mask);
    image.copyTo(redback, mask);
    imshow("roi区域提取", redback);

}