比如
Mat img = Cv2.ImRead(@"01.png");
img = img - new Scalar(255, 255, 255);
运算结果得到全黑,但我希望它的颜色翻转
Mat img1 = Cv2.ImRead(@"01.png");
Mat img2 = Cv2.ImRead(@"02.png");
Mat test = img2 - img1 + img1;
结果和img2不一样
怎么能让它进行模运算?
比如
Mat img = Cv2.ImRead(@"01.png");
img = img - new Scalar(255, 255, 255);
运算结果得到全黑,但我希望它的颜色翻转
Mat img1 = Cv2.ImRead(@"01.png");
Mat img2 = Cv2.ImRead(@"02.png");
Mat test = img2 - img1 + img1;
结果和img2不一样
怎么能让它进行模运算?
自答,用for循环写了个解决方案,不过速度比原来的要慢
for (int k = 0; k < 3; k++)
{
for (int i = 0; i < img1.Height; ++i)
{
for (int j = 0; j < img1.Width; ++j)
{
diff.At<Vec3b>(i, j)[k] = (byte)((img2.At<Vec3b>(i, j)[k] - img1.At<Vec3b>(i, j)[k]) % 256);
}
}
}
for (int k = 0; k < 3; k++)
{
for (int i = 0; i < img1.Height; ++i)
{
for (int j = 0; j < img1.Width; ++j)
{
add.At<Vec3b>(i, j)[k] = (byte)((diff.At<Vec3b>(i, j)[k] + img1.At<Vec3b>(i, j)[k]) % 256);
}
}
}