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[Sheet3] Finished exercises 1 through 3

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Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2017-04-25 15:56:41 +02:00
parent cc1084ec77
commit 376aa0997c
5 changed files with 136 additions and 0 deletions
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55
ccv/sheet3/exercise3.cpp Normal file
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#include <opencv2/opencv.hpp>
int main(int argc, char** argv ) {
if ( argc != 2 )
{
printf("usage: <Image_Path>\n");
return -1;
}
cv::Mat image;
image = cv::imread(argv[1], cv::ImreadModes::IMREAD_COLOR);
cv::Mat image_gray;
cv::cvtColor(image, image_gray, cv::COLOR_BGR2GRAY);
cv::Mat image_float;
image_gray.convertTo(image_float, CV_32F);
cv::Mat G_1;
cv::Mat G_2;
cv::GaussianBlur(image_float, G_1, cv::Size(3, 3), 3, 3, cv::BORDER_CONSTANT);
cv::GaussianBlur(image_float, G_2, cv::Size(3, 3), 11, 11, cv::BORDER_CONSTANT);
cv::Mat image_filtered = G_1 - G_2;
cv::imshow("Filtered (3 - 11)", image_filtered);
cv::waitKey(0);
cv::GaussianBlur(image_float, G_1, cv::Size(3, 3), 3, 3, cv::BORDER_CONSTANT);
cv::GaussianBlur(image_float, G_2, cv::Size(3, 3), 7, 7, cv::BORDER_CONSTANT);
image_filtered = G_1 - G_2;
cv::imshow("Filtered (3 - 7)", image_filtered);
cv::waitKey(0);
cv::GaussianBlur(image_float, G_1, cv::Size(3, 3), 5, 5, cv::BORDER_CONSTANT);
cv::GaussianBlur(image_float, G_2, cv::Size(3, 3), 7, 7, cv::BORDER_CONSTANT);
image_filtered = G_1 - G_2;
cv::imshow("Filtered (5 - 7)", image_filtered);
cv::waitKey(0);
cv::GaussianBlur(image_float, G_1, cv::Size(3, 3), 11, 11, cv::BORDER_CONSTANT);
cv::GaussianBlur(image_float, G_2, cv::Size(3, 3), 3, 3, cv::BORDER_CONSTANT);
image_filtered = G_1 - G_2;
image_float.convertTo(image_gray, CV_8U);
cv::imshow("Filtered (11 - 3)", image_filtered);
cv::waitKey(0);
cv::GaussianBlur(image_float, G_1, cv::Size(3, 3), 9, 9, cv::BORDER_CONSTANT);
cv::GaussianBlur(image_float, G_2, cv::Size(3, 3), 5, 5, cv::BORDER_CONSTANT);
image_filtered = G_1 - G_2;
cv::imshow("Filtered (9 - 5)", image_filtered);
cv::waitKey(0);
}