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[FrontAlgorithms.git] / tests / image / RegionGrow / Mori.cxx
1 // =========================================================================
2 // @author Leonardo Florez Valencia
3 // @email florez-l@javeriana.edu.co
4 // =========================================================================
5
6 #include <itkImage.h>
7 #include <itkImageFileReader.h>
8 #include <itkImageFileWriter.h>
9 #include <fpa/Filters/Image/Mori.h>
10
11 // -------------------------------------------------------------------------
12 const unsigned int Dim = 2;
13 typedef unsigned char TPixel;
14 typedef itk::Image< TPixel, Dim > TImage;
15
16 // -------------------------------------------------------------------------
17 int main( int argc, char* argv[] )
18 {
19   // Get arguments
20   if( argc < 9 + Dim )
21   {
22     std::cerr
23       << "Usage: " << argv[ 0 ]
24       << " input_image output_image lower upper delta seed"
25       << std::endl;
26     return( 1 );
27
28   } // fi
29   std::string input_image_filename = argv[ 1 ];
30   std::string output_image_filename = argv[ 2 ];
31   TPixel lower = TPixel( std::atof( argv[ 3 ] ) );
32   TPixel upper = TPixel( std::atof( argv[ 4 ] ) );
33   TPixel delta = TPixel( std::atof( argv[ 5 ] ) );
34   unsigned long signal_kernel_size = std::atoi( argv[ 6 ] );
35   double signal_threshold = std::atof( argv[ 7 ] );
36   double signal_influence = std::atof( argv[ 8 ] );
37
38   // Read image
39   typedef itk::ImageFileReader< TImage > TImageReader;
40   TImageReader::Pointer input_image_reader = TImageReader::New( );
41   input_image_reader->SetFileName( input_image_filename );
42
43   // Prepare filter
44   typedef fpa::Filters::Image::Mori< TImage, TImage > TFilter;
45   TFilter::Pointer filter = TFilter::New( );
46   filter->SetInput( input_image_reader->GetOutput( ) );
47   filter->SetInsideValue( std::numeric_limits< TPixel >::max( ) );
48   filter->SetOutsideValue( TPixel( 0 ) );
49   filter->SetThresholds( lower, upper, delta );
50   filter->SetSignalKernelSize( signal_kernel_size );
51   filter->SetSignalThreshold( signal_threshold );
52   filter->SetSignalInfluence( signal_influence );
53
54   // Configure seed
55   TImage::IndexType seed;
56   for( int j = 0; j < Dim; ++j )
57     seed[ j ] = std::atoi( argv[ 9 + j ] );
58   filter->SetSeed( seed );
59
60   // Execute filter
61   filter->Update( );
62
63   // Save results
64   typedef itk::ImageFileWriter< TFilter::TOutputImage > TOutputWriter;
65   TOutputWriter::Pointer output_writer = TOutputWriter::New( );
66   output_writer->SetInput( filter->GetOutput( ) );
67   output_writer->SetFileName( output_image_filename );
68   try
69   {
70     output_writer->Update( );
71   }
72   catch( std::exception& err )
73   {
74     std::cerr << "Error caught: " << err.what( ) << std::endl;
75     return( 1 );
76
77   } // yrt
78
79   return( 0 );
80 }
81
82 // eof - $RCSfile$