Daviddoria: Created page with "You will want to make sure that you include the imgproc, highgui, and core, libraries in your project settings. ==ExtractChannel.cpp== #include "highgui.h..."

2015-05-15T13:02:35Z

Created page with "You will want to make sure that you include the imgproc, highgui, and core, libraries in your project settings. ==ExtractChannel.cpp== <source lang="cpp"> #include "highgui.h..."

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You will want to make sure that you include the imgproc, highgui, and core, libraries in your project settings.

==ExtractChannel.cpp==
<source lang="cpp">
#include "highgui.h" // required for imread()
#include "cv.h"

#include <iostream>
#include <vector>

int main(int, char*argv[])
{
cv::Mat image = cv::imread(argv[1], CV_LOAD_IMAGE_COLOR);

if(image.empty())
{
std::cout << "Can't read the image" << std::endl;
return -1;
}
std::vector<cv::Mat> channels;
cv::split(image, channels);
cv::Mat r_channel = channels[0];

for(int i=0; i < r_channel.rows; i++)
{
for(int j=0; j < r_channel.cols; j++)
{
std::cout << r_channel.at<uchar>(i,j) << std::endl;
}
}

return 0;
}

</source>

==CMakeLists.txt==
<source lang="cmake">
cmake_minimum_required(VERSION 2.6)

PROJECT(ExtractChannel)

FIND_PACKAGE(OpenCV REQUIRED )
INCLUDE_DIRECTORIES( ${OPENCV_INCLUDE_DIR} )

ADD_EXECUTABLE(ExtractChannel ExtractChannel.cpp)
TARGET_LINK_LIBRARIES(ExtractChannel ${OpenCV_LIBS})
</source>

OpenCV/ImageProcessing/ExtractChannel - Revision history

Daviddoria: Created page with "You will want to make sure that you include the imgproc, highgui, and core, libraries in your project settings. ==ExtractChannel.cpp== #include "highgui.h..."