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[CVV] Finished part one of CCV sheet 5

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Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2017-05-09 15:33:14 +02:00
parent c7f86522ed
commit b4e892ca2c
2 changed files with 59 additions and 0 deletions
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9
ccv/sheet5/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.5)
project(sheet5)
set(CMAKE_CXX_STANDARD 11)
find_package( OpenCV REQUIRED )
add_executable(sheet5 main.cpp)
target_link_libraries(sheet5 ${OpenCV_LIBS})

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ccv/sheet5/main.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;
}
std::vector<cv::Mat> gabor_filters = std::vector<cv::Mat>();
cv::Size size = cv::Size(20, 20);
double wavelength = 3;
double standard_deviation = 18;
// g_1
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (4.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
// g_2
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (3.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
// g_3
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (2.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
// g_4
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (1.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
// g_5
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, 0, wavelength, 1, 0, CV_32F));
// g_6
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (7.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
// g_7
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (6.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
// g_8
gabor_filters.push_back(cv::getGaborKernel(size, standard_deviation, (5.0/8.0) * CV_PI, wavelength, 1, 0, CV_32F));
for (unsigned long i = 0; i < 8; i++) {
cv::namedWindow("g_" + std::to_string(i + 1), CV_WINDOW_NORMAL);
cv::imshow("g_" + std::to_string(i + 1), gabor_filters.at(i));
cv::waitKey(0);
}
// read input image
cv::Mat image = cv::imread(argv[1]);
image.convertTo(image, CV_32F);
for (unsigned long i = 0; i < 8; i++) {
cv::Mat filtered_image;
cv::filter2D(image, filtered_image, -1, gabor_filters.at(i), cv::Point(-1, -1), 0, cv::BORDER_CONSTANT);
cv::namedWindow("filtered_" + std::to_string(i + 1), CV_WINDOW_NORMAL);
cv::imshow("filtered_" + std::to_string(i + 1), filtered_image);
cv::waitKey(0);
}
return 0;
}