1 // =========================================================================
2 // @author Leonardo Florez Valencia
3 // @email florez-l@javeriana.edu.co
4 // =========================================================================
7 #include <itkImageFileReader.h>
8 #include <fpa/Common/Image/SkeletonWriter.h>
9 #include <fpa/Filters/Image/ExtractSkeleton.h>
11 // -------------------------------------------------------------------------
12 const unsigned int Dim = 2;
13 typedef unsigned char TPixel;
14 typedef itk::Image< TPixel, Dim > TImage;
16 // -------------------------------------------------------------------------
17 int main( int argc, char* argv[] )
23 << "Usage: " << argv[ 0 ]
24 << " input_image output_skeleton [seed]"
29 std::string input_image_filename = argv[ 1 ];
30 std::string output_skeleton_filename = argv[ 2 ];
33 typedef itk::ImageFileReader< TImage > TImageReader;
34 TImageReader::Pointer input_image_reader = TImageReader::New( );
35 input_image_reader->SetFileName( input_image_filename );
38 typedef fpa::Filters::Image::ExtractSkeleton< TImage > TFilter;
39 TFilter::Pointer filter = TFilter::New( );
40 filter->SetInput( input_image_reader->GetOutput( ) );
45 TImage::IndexType seed;
46 for( int j = 0; j < Dim; ++j )
48 seed[ j ] = std::atoi( argv[ 3 + j ] );
49 filter->SeedFromMaximumDistanceOff( );
50 filter->SetSeed( seed );
53 filter->SeedFromMaximumDistanceOn( );
55 // Configure distance map
56 filter->GetDistanceMap( )->InsideIsPositiveOn( );
57 filter->GetDistanceMap( )->SquaredDistanceOff( );
58 filter->GetDistanceMap( )->UseImageSpacingOn( );
64 typedef fpa::Common::Image::SkeletonWriter< TFilter::TSkeleton > TSkeletonWriter;
65 TSkeletonWriter::Pointer skeleton_writer = TSkeletonWriter::New( );
66 skeleton_writer->SetInput( filter->GetOutput( ) );
67 skeleton_writer->SetFileName( output_skeleton_filename );
71 skeleton_writer->Update( );
73 catch( std::exception& err )
75 std::cerr << "Error caught: " << err.what( ) << std::endl;