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[CCV] Finished load, modify and save source file

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Signed-off-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2017-04-07 14:12:18 +02:00
parent 22d20c4edb
commit 27b11b6a01
2 changed files with 37 additions and 0 deletions
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2
ccv/sheet1/opencv/CMakeLists.txt
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@ -1,3 +1,5 @@
find_package( OpenCV REQUIRED )
add_executable(displayImage displayImage.cpp)
add_executable(loadModifySave loadModifySaveImage.cpp)
target_link_libraries( displayImage ${OpenCV_LIBS} )
target_link_libraries( loadModifySave ${OpenCV_LIBS} )

35
ccv/sheet1/opencv/loadModifySaveImage.cpp Normal file
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@ -0,0 +1,35 @@
//
// Created by jim on 4/7/17.
//
#include <opencv2/opencv.hpp>
using namespace cv;
int main( int argc, char** argv )
{
char* imageName = argv[1];
Mat image;
image = imread( imageName, 1 );
if( argc != 2 || !image.data )
{
printf( " No image data \n " );
return -1;
}
Mat gray_image;
cvtColor( image, gray_image, CV_BGR2GRAY );
imwrite( "Gray_Image.jpg", gray_image );
namedWindow( imageName, CV_WINDOW_NORMAL );
namedWindow( "Gray image", CV_WINDOW_NORMAL);
imshow( imageName, image );
imshow( "Gray image", gray_image );
waitKey(0);
return 0;
}