• 檔案結構

[email protected]:~/opencv_test/1$ tree -L 1
.
├── build
├── CMakeLists.txt
├── main.cpp
└── ubuntu.png

• main.cpp檔案

#include <iostream>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>

using namespace std;
 

using namespace cv;

int main( int argc,char** argv)
{
	Mat image = cv::imread( argv[1] );
	Mat element = getStructuringElement(MORPH_RECT,Size(15,15));
	Mat dstImage;

	erode(image,dstImage,element);   //corrode

	imshow("fushi",dstImage);

	waitKey(0);
	return 0;
}

• CMakeLists.txt檔案

cmake_minimum_required( VERSION 2.8 )
project( imageBasics )

# 新增c++ 11標準支援
set( CMAKE_CXX_FLAGS "-std=c++11" )

# 尋找OpenCV庫
find_package( OpenCV REQUIRED )
 # 新增標頭檔案
include_directories( ${OpenCV_INCLUDE_DIRS} )

add_executable( corrode main.cpp )
# 連結OpenCV庫
target_link_libraries( corrode ${OpenCV_LIBS} )
 

• 編譯執行

[email protected]:~/opencv_test/1$ mkdir build
[email protected]:~/opencv_test/1$ cd build
[email protected]:~/opencv_test/1/build$ cmake ..
[email protected]:~/opencv_test/1/build$ make
[email protected]:~/opencv_test/1/build$ cd ..
[email protected]:~/opencv_test/1$ ./build/corrode ubuntu.png 
 

• 執行結果
  

• 參考資料
  《Opencv 3變成入門》 毛星雲 電子工業出版社
  《視覺SLAM十四講》 高翔 電子工業出版社