1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
|
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkAccumulateImageFilter.h"
#include "itkImageSeriesReader.h"
#include "itkImageSeriesWriter.h"
#include "itkGDCMImageIO.h"
#include "itkGDCMSeriesFileNames.h"
#include "itkTestingMacros.h"
int
itkAccumulateImageFilterTest(int argc, char * argv[])
{
using PixelType = short;
static constexpr int ImageDimension = 3;
using InputImageType = itk::Image<PixelType, ImageDimension>;
using OutputImageType = itk::Image<PixelType, ImageDimension>;
using WriteImageType = itk::Image<unsigned char, ImageDimension>;
using ReaderType = itk::ImageSeriesReader<InputImageType>;
using AccumulaterType = itk::AccumulateImageFilter<InputImageType, OutputImageType>;
using WriterType = itk::ImageSeriesWriter<OutputImageType, WriteImageType>;
using SeriesFileNames = itk::GDCMSeriesFileNames;
using ImageIOType = itk::GDCMImageIO;
if (argc < 3)
{
std::cerr << "Usage: " << std::endl;
std::cerr << itkNameOfTestExecutableMacro(argv) << " inputDICOMDirectory outputFile" << std::endl;
return EXIT_FAILURE;
}
// Get the input filenames
auto names = SeriesFileNames::New();
// Get the DICOM filenames from the directory
names->SetInputDirectory(argv[1]);
// Create the reader
auto gdcmIO = ImageIOType::New();
auto reader = ReaderType::New();
reader->SetImageIO(gdcmIO);
try
{
reader->SetFileNames(names->GetInputFileNames());
reader->Update();
}
catch (const itk::ExceptionObject & excp)
{
std::cerr << "Error reading the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// Accumulate the input images
auto accumulate = AccumulaterType::New();
accumulate->SetInput(reader->GetOutput());
accumulate->SetAccumulateDimension(2);
try
{
accumulate->Update();
}
catch (const itk::ExceptionObject & excp)
{
std::cerr << "Error running the accumulate filter" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
accumulate->GetOutput()->Print(std::cout);
accumulate->Print(std::cout);
// Now turn averaging off
accumulate->AverageOff();
try
{
auto writer = WriterType::New();
writer->SetFileName(argv[2]);
writer->SetInput(accumulate->GetOutput());
writer->Update();
}
catch (const itk::ExceptionObject & excp)
{
std::cerr << "Error writing the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// Now turn averaging on
accumulate->AverageOn();
std::cout << "Average: " << accumulate->GetAverage() << std::endl;
try
{
auto writer = WriterType::New();
writer->SetFileName(argv[2]);
writer->SetInput(accumulate->GetOutput());
writer->Update();
}
catch (const itk::ExceptionObject & excp)
{
std::cerr << "Error writing the series" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// Test dimension check exception.
try
{
accumulate->SetAccumulateDimension(5);
accumulate->Update();
std::cout << "Failed to catch expected exception." << std::endl;
return EXIT_FAILURE;
}
catch (const itk::ExceptionObject & excp)
{
std::cout << "Caught expected exception." << std::endl;
std::cout << excp << std::endl;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
|