Compiling filter

.gitignore

/bilateral_filter.*
/build/

app.cpp

#include <iostream>
#include <opencv2/opencv.hpp>
#include "bilateral_filter.simd.hpp"

int main(int argc, char** argv) {
	if(argc<5){ std::cerr<<"Usage: "<<argv[0]<<" [INPUT OUTPUT DIAMETER SIGMA_COLOR SIGMA_SPACE]"<<std::endl; exit(1); }
	cv::Mat input=cv::imread(argv[1]), output;
	bilateralFilter(input, output, std::stoi(argv[3]), std::stod(argv[4]), std::stoi(argv[5]), cv::BORDER_DEFAULT);
	cv::namedWindow("Result", cv::WINDOW_NORMAL);
	cv::imwrite(argv[2], output);
	cv::imshow("Result", output);
	cv::waitKey(0);
	return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.10)
project(app)

# Force C++17
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)

# Equivalent to (CFLAGS) -g
set(CMAKE_BUILD_TYPE Debug)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})

# Equivalent to (CFLAGS) -g
set(CMAKE_C_FLAGS "-g")

# OPENCV ####################################
find_package(OpenCV REQUIRED)

add_executable(app app.cpp bilateral_filter.dispatch.cpp)

include_directories(${OpenCV_INCLUDE_DIRS})
target_link_libraries(app ${OpenCV_LIBS})

test.bash

#!/bin/bash

[ -f bilateral_filter.dispatch.cpp ] || wget https://raw.githubusercontent.com/opencv/opencv/master/modules/imgproc/src/bilateral_filter.dispatch.cpp
[ -f bilateral_filter.simd.hpp     ] || wget https://raw.githubusercontent.com/opencv/opencv/master/modules/imgproc/src/bilateral_filter.simd.hpp
[ -d build ] || mkdir build;
[ -f app ] || { pushd build &>/dev/null; cmake ..; make -j$(nproc); popd &>/dev/null; }
./app vis1000.jpg result.jpg 3 75 75

vis1000.jpg