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彩色图像转亮度图像,并写成文件。
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkConnectedComponentImageFilter.h"
#include "itkLabelToRGBImageFilter.h"
#include "itksys/SystemTools.hxx"
#include <sstream>
#include "itkImageToVTKImageFilter.h"
#include "vtkImageViewer.h"
#include "vtkWin32RenderWindowInteractor.h"
#include "itkImageFileWriter.h"
#include <iostream>
#include <string>
#include "itkRGBToLuminanceImageFilter.h"
using namespace std;
int main( int argc, char *argv[])
{
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
typedef itk::RGBPixel<unsigned char> RGBPixelType;
typedef itk::Image<PixelType, Dimension> ImageType;
typedef itk::Image<RGBPixelType, Dimension> RGBImageType;
std::string bmp = ".bmp";
RGBImageType::Pointer image;
typedef itk::ImageFileReader<RGBImageType> ReaderType;
for (int num= 0;num<214;num++)
{
std::string inputFilename = "D:\\se6\\rgb\\IM";
std::string outputFilename = "D:\\se6\\bmp2\\IM";
char t[256];
string s;
sprintf(t, "%d", num);
s = t;
inputFilename = inputFilename + s + bmp;
outputFilename = outputFilename + s + bmp;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFilename);
reader->Update();
image = reader->GetOutput();
typedef itk::Image<unsigned char, 2> ScalarImageType;
typedef itk::RGBToLuminanceImageFilter<RGBImageType, ScalarImageType> LuminanceFilterType;
LuminanceFilterType::Pointer luminanceFilter = LuminanceFilterType::New();
luminanceFilter->SetInput(image);
luminanceFilter->Update();
typedef itk::ImageFileWriter< ScalarImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFilename);
writer->SetInput(luminanceFilter->GetOutput());
writer->Update();
}
return EXIT_SUCCESS;
}