#include "itkCannyEdgeDetectionImageFilter.h"

typedef itk::CastImageFilter< CharImageType, RealImageType> CastToRealFilterType;

        Canny 边缘检测后,进行亮度映射可增强显示效果.

        Canny 边缘检测到的是内外双边缘.

#include "itkImageFileReader.h"//读取头文件
#include "itkImageFileWriter.h"//写入头文件
#include "itkGDCMImageIO.h"//ImageIo头文件#include "itkCannyEdgeDetectionImageFilter.h"//canney边缘检测
#include "itkCastImageFilter.h"//类型转换
#include "itkRescaleIntensityImageFilter.h"//亮度映射
int main(int argc, char* argv[])
{typedef  signed short  PixelType; // signed short 数据类型typedef  double  OutputPixelType; // double 数据类型typedef itk::Image< PixelType, 2 >   ImageType;//image类型typedef itk::Image< OutputPixelType, 2 >   OutputImageType;//Outputimage类型typedef itk::ImageFileReader< ImageType >  ReaderType;typedef itk::ImageFileWriter< ImageType >  WriterType;ReaderType::Pointer reader = ReaderType::New();//readerWriterType::Pointer writer = WriterType::New();//writertypedef itk::GDCMImageIO ImageIOType;ImageIOType::Pointer gdcmImageIO = ImageIOType::New();//gdcmImageIOreader->SetImageIO(gdcmImageIO);reader->SetFileName("D:/008.dcm");//读取文件reader->Update();typedef itk::CastImageFilter< ImageType, OutputImageType> CastFilterType;CastFilterType::Pointer castfilter = CastFilterType::New();castfilter->SetInput(reader->GetOutput());castfilter->Update();typedef itk::CannyEdgeDetectionImageFilter< OutputImageType, OutputImageType>CannyFilterType;CannyFilterType::Pointer cannyfilter = CannyFilterType::New();cannyfilter->SetInput(castfilter->GetOutput());cannyfilter->Update();typedef itk::RescaleIntensityImageFilter< OutputImageType, ImageType >RescaleFilterType;RescaleFilterType::Pointer rescale = RescaleFilterType::New();rescale->SetInput(cannyfilter->GetOutput());rescale->Update();writer->SetImageIO(gdcmImageIO);writer->SetInput(rescale->GetOutput());writer->SetFileName("D:/0080.dcm");writer->Update();return EXIT_SUCCESS;
}