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| 1 | +#include "rtkcheckimagequality_ggo.h" |
| 2 | +#include "rtkConfiguration.h" |
| 3 | +#include "rtkMacro.h" |
| 4 | +#include "itkImage.h" |
| 5 | +#include "itkImageFileReader.h" |
| 6 | +#include "itkImageRegionConstIterator.h" |
| 7 | + |
| 8 | +/** |
| 9 | + * \file rtkcheckimagequality.cxx |
| 10 | + * |
| 11 | + * \brief Checks that an image has a satisfactory MSE against a reference. |
| 12 | + * |
| 13 | + * \author Aurélien Coussat |
| 14 | + */ |
| 15 | + |
| 16 | +template <class TImage> |
| 17 | +double |
| 18 | +MSE(typename TImage::Pointer reference, typename TImage::Pointer reconstruction) |
| 19 | +{ |
| 20 | + using ImageIteratorType = itk::ImageRegionConstIterator<TImage>; |
| 21 | + ImageIteratorType itTest(reconstruction, reconstruction->GetBufferedRegion()); |
| 22 | + ImageIteratorType itRef(reference, reference->GetBufferedRegion()); |
| 23 | + |
| 24 | + using ErrorType = double; |
| 25 | + ErrorType EnerError = 0.; |
| 26 | + |
| 27 | + itTest.GoToBegin(); |
| 28 | + itRef.GoToBegin(); |
| 29 | + |
| 30 | + while (!itRef.IsAtEnd()) |
| 31 | + { |
| 32 | + typename TImage::PixelType TestVal = itTest.Get(); |
| 33 | + typename TImage::PixelType RefVal = itRef.Get(); |
| 34 | + EnerError += std::pow(ErrorType(RefVal - TestVal), 2.); |
| 35 | + ++itTest; |
| 36 | + ++itRef; |
| 37 | + } |
| 38 | + |
| 39 | + return EnerError; |
| 40 | +} |
| 41 | + |
| 42 | +int |
| 43 | +main(int argc, char ** argv) |
| 44 | +{ |
| 45 | + |
| 46 | + args_info_rtkcheckimagequality args_info; |
| 47 | + cmdline_parser_rtkcheckimagequality_params args_params; |
| 48 | + cmdline_parser_rtkcheckimagequality_params_init(&args_params); |
| 49 | + args_params.print_errors = 1; |
| 50 | + args_params.check_required = 1; |
| 51 | + args_params.override = 1; |
| 52 | + args_params.initialize = 1; |
| 53 | + if (0 != cmdline_parser_rtkcheckimagequality_ext(argc, argv, &args_info, &args_params)) |
| 54 | + { |
| 55 | + std::cerr << "Error in cmdline_parser_rtkcheckimagequality_ext" << std::endl; |
| 56 | + exit(1); |
| 57 | + } |
| 58 | + |
| 59 | + constexpr unsigned int Dimension = 3; |
| 60 | + using PixelType = float; |
| 61 | + using ImageType = itk::Image<PixelType, Dimension>; |
| 62 | + |
| 63 | + using ReaderType = itk::ImageFileReader<ImageType>; |
| 64 | + ReaderType::Pointer reader; |
| 65 | + |
| 66 | + // Maximum number of comparisons to perform (depends on the number of inputs) |
| 67 | + unsigned int n_max = |
| 68 | + std::max({ args_info.reference_given, args_info.reconstruction_given, args_info.threshold_given }); |
| 69 | + |
| 70 | + for (unsigned int i = 0; i < n_max; i++) |
| 71 | + { |
| 72 | + unsigned int reference_index = std::min(args_info.reference_given - 1, i); |
| 73 | + unsigned int reconstruction_index = std::min(args_info.reconstruction_given - 1, i); |
| 74 | + unsigned int threshold_index = std::min(args_info.threshold_given - 1, i); |
| 75 | + |
| 76 | + reader = ReaderType::New(); |
| 77 | + reader->SetFileName(args_info.reference_arg[reference_index]); |
| 78 | + |
| 79 | + try |
| 80 | + { |
| 81 | + reader->Update(); |
| 82 | + } |
| 83 | + catch (::itk::ExceptionObject & e) |
| 84 | + { |
| 85 | + std::cerr << e.GetDescription(); |
| 86 | + return EXIT_FAILURE; |
| 87 | + } |
| 88 | + |
| 89 | + ImageType::Pointer reference = reader->GetOutput(); |
| 90 | + |
| 91 | + reader = ReaderType::New(); |
| 92 | + reader->SetFileName(args_info.reconstruction_arg[reconstruction_index]); |
| 93 | + |
| 94 | + try |
| 95 | + { |
| 96 | + reader->Update(); |
| 97 | + } |
| 98 | + catch (::itk::ExceptionObject & e) |
| 99 | + { |
| 100 | + std::cerr << e.GetDescription(); |
| 101 | + return EXIT_FAILURE; |
| 102 | + } |
| 103 | + |
| 104 | + ImageType::Pointer reconstruction = reader->GetOutput(); |
| 105 | + |
| 106 | + double mse = MSE<ImageType>(reference, reconstruction); |
| 107 | + |
| 108 | + if (mse > args_info.threshold_arg[threshold_index]) |
| 109 | + { |
| 110 | + std::cerr << "Error comparing " << args_info.reference_arg[reference_index] << " and " |
| 111 | + << args_info.reconstruction_arg[reconstruction_index] << ":" << std::endl |
| 112 | + << "MSE " << mse << " above given threshold " << args_info.threshold_arg[threshold_index] << std::endl; |
| 113 | + return EXIT_FAILURE; |
| 114 | + } |
| 115 | + } |
| 116 | + return EXIT_SUCCESS; |
| 117 | +} |
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