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Commit f6fad8b1 authored by remi cresson's avatar remi cresson
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ENH: implementation of streamed label image writing done

parent d7db5ebb
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Showing with 164 additions and 209 deletions
app/otbLSGRM.cxx
View file @ f6fad8b1
......@@ -17,6 +17,10 @@
#include "lsgrmFullLambdaScheduleSegmenter.h"
#include "lsgrmController.h"
// Graph to label image (streaming version)
#include "otbStreamingGraphToImageFilter.h"
#include "otbStreamingImageVirtualWriter.h"
// system tools
#include <itksys/SystemTools.hxx>
......@@ -108,6 +112,7 @@ private:
AddChoice("tiling.none", "No tiling layout");
AddParameter(ParameterType_Int, "memory", "Restrict memory use (mb)");
MandatoryOff("memory");
}
......@@ -129,28 +134,28 @@ private:
std::string tmpdir;
if (HasValue("tmpdir"))
{
tmpdir= GetParameterAsString("tmpdir");
tmpdir= GetParameterAsString("tmpdir");
}
else
{
tmpdir = itksys::SystemTools::GetFilenamePath(outfname);
tmpdir = itksys::SystemTools::GetFilenamePath(outfname);
}
if (!tmpdir.empty())
{
// A temporary directory is specified: we check that it ends with a POSIX separator
if (tmpdir[tmpdir.size()-1] != '/')
{
// If not, we add the separator
tmpdir.append("/");
}
// Check that the directory exists
if (!itksys::SystemTools::FileExists(tmpdir.c_str(),false))
{
otbAppLogFATAL("The directory " << tmpdir << " does not exist.");
}
otbAppLogINFO("Using temporary directory " << tmpdir);
// A temporary directory is specified: we check that it ends with a POSIX separator
if (tmpdir[tmpdir.size()-1] != '/')
{
// If not, we add the separator
tmpdir.append("/");
}
// Check that the directory exists
if (!itksys::SystemTools::FileExists(tmpdir.c_str(),false))
{
otbAppLogFATAL("The directory " << tmpdir << " does not exist.");
}
otbAppLogINFO("Using temporary directory " << tmpdir);
}
......@@ -163,17 +168,20 @@ private:
* This function sets the generic parameters of a controller and runs the segmentation
*/
template<class TSegmenter>
UInt32ImageType::Pointer SetGenericParametersAndRunSegmentation(const typename TSegmenter::ParamType params){
void
SetGenericParametersAndRunSegmentation(const typename TSegmenter::ParamType params){
// Instantiate the controller
typedef typename lsgrm::Controller<TSegmenter> ControlerType;
typename ControlerType::Pointer controller = ControlerType::New();
using GraphType = typename ControlerType::GraphType;
// Set specific parameters
controller->SetSpecificParameters(params);
// Set input image
controller->SetInputImage(GetParameterFloatVectorImage("in"));
ImageType::Pointer inputImage = GetParameterFloatVectorImage("in");
controller->SetInputImage(inputImage);
// Set threshold
float thres = GetParameterFloat("threshold");
......@@ -189,85 +197,92 @@ private:
int inputTilingMode = GetParameterInt("tiling");
if (inputTilingMode == TILING_AUTO)
{
// Automatic mode
controller->SetTilingModeAuto();
// Automatic mode
controller->SetTilingModeAuto();
}
else if (inputTilingMode == TILING_USER)
{
// User mode
controller->SetTilingModeUser();
controller->SetTileWidth(GetParameterInt("tiling.user.sizex"));
controller->SetTileHeight(GetParameterInt("tiling.user.sizey"));
controller->SetNumberOfFirstIterations(GetParameterInt("tiling.user.nfirstiter"));
// User mode
controller->SetTilingModeUser();
controller->SetTileWidth(GetParameterInt("tiling.user.sizex"));
controller->SetTileHeight(GetParameterInt("tiling.user.sizey"));
controller->SetNumberOfFirstIterations(GetParameterInt("tiling.user.nfirstiter"));
}
else if (inputTilingMode == TILING_NONE)
{
// None mode
controller->SetTilingModeNone();
// None mode
controller->SetTilingModeNone();
}
else
{
otbAppLogFATAL("Unknown tiling mode!");
otbAppLogFATAL("Unknown tiling mode!");
}
// Input RAM value?
if (HasValue("memory"))
{
otbAppLogINFO("Setting maximum memory to " << GetParameterInt("memory") << " MBytes");
controller->SetInternalMemoryAvailable(GetParameterInt("memory"));
otbAppLogINFO("Setting maximum memory to " << GetParameterInt("memory") << " MBytes");
controller->SetInternalMemoryAvailable(GetParameterInt("memory"));
}
// Run the segmentation
controller->RunSegmentation();
// Prepare the label image source
typedef lsgrm::StreamingGraphToImageFilter<GraphType, UInt32ImageType> LabelImageSourceType;
typename LabelImageSourceType::Pointer labelImageSource = LabelImageSourceType::New();
labelImageSource->SetGraph(controller->GetOutputGraph());
labelImageSource->SetOutputSize(inputImage->GetLargestPossibleRegion().GetSize());
labelImageSource->SetOutputOrigin(inputImage->GetOrigin());
labelImageSource->SetOutputSpacing(inputImage->GetSpacing());
labelImageSource->SetOutputProjectionRef(inputImage->GetProjectionRef());
labelImageSource->GenerateOutputInformation();
m_LabelImageSource = static_cast<itk::ImageSource<UInt32ImageType>*>(labelImageSource);
SetParameterOutputImage<UInt32ImageType>("out", m_LabelImageSource->GetOutput());
// TODO: find an intelligent value of RAM
if (dynamic_cast<OutputImageParameter*>(GetParameterByKey("out")))
{
OutputImageParameter* paramDown = dynamic_cast<OutputImageParameter*>(GetParameterByKey("out"));
paramDown->SetRAMValue(256);
}
// Get temporary files list
m_TemporaryFilesList = controller->GetTemporaryFilesList();
// Return the label image
return controller->GetLabeledClusteredOutput();
}
void DoExecute()
{
/*
TODO: the output directory in case the global graph cannot fit in memory (lsgrmController.txx)
*/
// Input image
ImageType::Pointer inputImage = GetParameterFloatVectorImage("in");
// Switch criterion
int inputCriterion = GetParameterInt("criterion");
if (inputCriterion == CRITERION_BAATZ)
{
grm::BaatzParam params;
params.m_SpectralWeight = GetParameterFloat("criterion.bs.cw");
params.m_ShapeWeight = GetParameterFloat("criterion.bs.sw");
labelImage = SetGenericParametersAndRunSegmentation<BaatzSegmenterType>(params);
grm::BaatzParam params;
params.m_SpectralWeight = GetParameterFloat("criterion.bs.cw");
params.m_ShapeWeight = GetParameterFloat("criterion.bs.sw");
SetGenericParametersAndRunSegmentation<BaatzSegmenterType>(params);
}
else if (inputCriterion == CRITERION_SPRING)
{
grm::SpringParam params;
labelImage = SetGenericParametersAndRunSegmentation<SpringSegmenterType>(params);
grm::SpringParam params;
SetGenericParametersAndRunSegmentation<SpringSegmenterType>(params);
}
else if (inputCriterion == CRITERION_FLS)
{
grm::FLSParam params;
labelImage = SetGenericParametersAndRunSegmentation<FLSSegmenterType>(params);
grm::FLSParam params;
SetGenericParametersAndRunSegmentation<FLSSegmenterType>(params);
}
else
{
otbAppLogFATAL("Unknow criterion!")
otbAppLogFATAL("Unknow criterion!")
}
std::cout << "Label image size: " << labelImage->GetLargestPossibleRegion() << std::endl;
// Set output image projection, origin and spacing for labelImage
labelImage->SetProjectionRef(inputImage->GetProjectionRef());
labelImage->SetOrigin(inputImage->GetOrigin());
labelImage->SetSpacing(inputImage->GetSpacing());
SetParameterOutputImage<UInt32ImageType>("out", labelImage);
}
void AfterExecuteAndWriteOutputs()
......@@ -282,16 +297,16 @@ private:
// Delete temporary files
for (unsigned int i = 0 ; i < m_TemporaryFilesList.size() ; i++)
{
if( remove(m_TemporaryFilesList.at(i).c_str() ) != 0 )
{
otbAppLogWARNING( "Error deleting file " << m_TemporaryFilesList.at(i) );
}
if( remove(m_TemporaryFilesList.at(i).c_str() ) != 0 )
{
otbAppLogWARNING( "Error deleting file " << m_TemporaryFilesList.at(i) );
}
}
}
private:
std::vector<std::string> m_TemporaryFilesList;
UInt32ImageType::Pointer labelImage;
itk::ImageSource<UInt32ImageType>::Pointer m_LabelImageSource;
}; // app class
} // end of namespace wrapper
......
include/lsgrmController.h
View file @ f6fad8b1
......@@ -6,6 +6,7 @@
#include "itkObject.h"
#include "itkMacro.h"
namespace lsgrm
{
template<class TSegmenter>
......@@ -30,6 +31,7 @@ public:
using ImageType = typename SegmenterType::ImageType;
using LabelImageType = typename SegmenterType::LabelImageType;
using SegmentationParameterType = typename SegmenterType::ParamType;
using GraphType = typename SegmenterType::GraphType;
/* Default constructor and destructor. */
Controller();
......@@ -48,7 +50,6 @@ public:
void SetTilingModeUser(){m_TilingMode = LSGRM_TILING_USER; Modified();};
void SetTilingModeAuto(){m_TilingMode = LSGRM_TILING_AUTO; Modified();};
typename LabelImageType::Pointer GetLabeledClusteredOutput();
std::vector<std::string> GetTemporaryFilesList();
itkGetMacro(Margin, unsigned int);
......@@ -77,6 +78,8 @@ public:
itkGetMacro(TileHeight, unsigned int);
itkSetMacro(TileHeight, unsigned int);
itkGetMacro(OutputGraph, GraphType);
private:
/** Enum for tiling mode */
......@@ -116,7 +119,8 @@ private:
LSGRMTilingMode m_TilingMode; // tiling mode (none/user/auto)
unsigned int m_Margin; // stability margin related to m_NumberOfFirstIterations
std::vector<ProcessingTile> m_Tiles; // list of tiles
typename LabelImageType::Pointer m_LabelImage; // output label image
GraphType m_OutputGraph; // Output graph
};
} // end of namespace lsgrm
......
include/lsgrmController.txx
View file @ f6fad8b1
......@@ -18,6 +18,7 @@ Controller<TSegmenter>::Controller()
m_NbTilesY = 0;
m_Threshold = 75;
m_Memory = 0;
}
template<class TSegmenter>
......@@ -150,7 +151,7 @@ void Controller<TSegmenter>::RunSegmentation()
if(accumulatedMemory <= m_Memory)
{
// Merge all the graphs
m_LabelImage = MergeAllGraphsAndAchieveSegmentation<TSegmenter>(
m_OutputGraph = MergeAllGraphsAndAchieveSegmentation<TSegmenter>(
m_SpecificParameters,
m_Threshold,
m_Tiles,
......@@ -195,14 +196,15 @@ void Controller<TSegmenter>::RunSegmentation()
segmenter.SetInput(m_InputImage);
segmenter.Update();
// Get label image
m_LabelImage = segmenter.GetLabeledClusteredOutput();
m_OutputGraph = segmenter.m_Graph;
}
else
{
itkExceptionMacro(<<"Unknow tiling mode!");
}
// TODO: [MPI] broadcast the graph to other nodes
}
/*
......@@ -433,16 +435,16 @@ void Controller<TSegmenter>::SetSpecificParameters(const SegmentationParameterTy
m_SpecificParameters = params;
}
template<class TSegmenter>
typename Controller<TSegmenter>::LabelImageType::Pointer
Controller<TSegmenter>::GetLabeledClusteredOutput()
{
#ifdef OTB_USE_MPI
// Get the label image from the master process (the one which achieves segmentation)
BroadcastImage<typename TSegmenter::LabelImageType>(m_LabelImage);
#endif
return m_LabelImage;
}
//template<class TSegmenter>
//typename Controller<TSegmenter>::LabelImageType::Pointer
//Controller<TSegmenter>::GetLabeledClusteredOutput()
//{
//#ifdef OTB_USE_MPI
// // Get the label image from the master process (the one which achieves segmentation)
// BroadcastImage<typename TSegmenter::LabelImageType>(m_LabelImage);
//#endif
// return m_LabelImage;
//}
template <class TSegmenter>
std::vector<std::string> Controller<TSegmenter>::GetTemporaryFilesList()
......
include/lsgrmGraphOperations.h
View file @ f6fad8b1
......@@ -5,9 +5,6 @@
#include "grmGraphOperations.h"
#include "otbVectorImage.h"
#include "otbMultiChannelExtractROI.h"
#include "itkGrayscaleFillholeImageFilter.h"
#include "otbStreamingGraphToImageFilter.h"
#include "otbStreamingImageVirtualWriter.h"
namespace lsgrm
{
......@@ -34,7 +31,7 @@ typename TSegmenter::ImageType::Pointer ReadImageRegion(
typename TSegmenter::ImageType::RegionType region);
template<class TSegmenter>
typename TSegmenter::LabelImageType::Pointer
typename TSegmenter::GraphType
MergeAllGraphsAndAchieveSegmentation(
const typename TSegmenter::ParamType& params,
const float& threshold,
......
include/lsgrmGraphOperations.txx
View file @ f6fad8b1
......@@ -25,7 +25,7 @@ typename TSegmenter::ImageType::Pointer ReadImageRegion(
}
template<class TSegmenter>
typename TSegmenter::LabelImageType::Pointer
typename TSegmenter::GraphType
MergeAllGraphsAndAchieveSegmentation(
const typename TSegmenter::ParamType& params,
const float& threshold,
......@@ -91,86 +91,30 @@ MergeAllGraphsAndAchieveSegmentation(
segmenter.SetThreshold(threshold);
segmenter.SetDoFastSegmentation(false); // was true
segmenter.SetNumberOfIterations(numberOfIterations);
grm::GraphOperations<TSegmenter>::PerfomAllIterationsWithLMBFAndConstThreshold(segmenter);
// // Write output graph to the output graph directory
// WriteGraph<TSegmenter>(segmenter.m_Graph, tmpDir, 0, 0);
// TODO: use std::sort to sort the graph (m_Id must be increasing) before the polygon filling
typename TSegmenter::LabelImageType::SizeType outSize;
outSize[0] = imageWidth;
outSize[1] = imageHeight;
typedef StreamingGraphToImageFilter<typename TSegmenter::GraphType,
typename TSegmenter::LabelImageType> GraphToImageFilterType;
typename GraphToImageFilterType::Pointer graphToImageFilter = GraphToImageFilterType::New();
graphToImageFilter->SetGraph(segmenter.m_Graph);
graphToImageFilter->SetOutputSize(outSize);
typedef otb::ImageFileWriter<typename TSegmenter::LabelImageType> VWriterType;
typename VWriterType::Pointer wrt = VWriterType::New();
wrt->SetInput(graphToImageFilter->GetOutput());
wrt->SetNumberOfDivisionsStrippedStreaming(5);
wrt->SetFileName("/homeL/cresson/data/tmp/spot6_surrech_segm2.tif");
wrt->Update();
// Generate the label image
typename TSegmenter::LabelImageType::IndexType index;
index.Fill(0);
typename TSegmenter::LabelImageType::SizeType size;
size[0] = imageWidth;
size[1] = imageHeight;
typename TSegmenter::LabelImageType::RegionType region(index, size);
const typename TSegmenter::LabelImageType::InternalPixelType noDataLabel = 0;
typename TSegmenter::LabelImageType::Pointer labelImage = TSegmenter::LabelImageType::New();
labelImage->SetRegions(region);
labelImage->Allocate();
labelImage->FillBuffer(noDataLabel);
using LabelImageIterator = itk::ImageRegionIterator<typename TSegmenter::LabelImageType>;
LabelImageIterator it(labelImage, labelImage->GetLargestPossibleRegion());
// Start at 1 (value 0 can be used for invalid pixels)
unsigned int label = 1;
for(auto& node : segmenter.m_Graph.m_Nodes)
{
lp::CellLists borderPixels;
lp::ContourOperations::GenerateBorderCells(borderPixels, node->m_Contour, node->m_Id, imageWidth);
for (auto& pix: borderPixels)
{
index[0] = pix % imageWidth;
index[1] = pix / imageWidth;
labelImage->SetPixel(index, label);
}
++label;
}
// Sort the nodes top-->down and left-->right
std::sort(segmenter.m_Graph.m_Nodes.begin(), segmenter.m_Graph.m_Nodes.end(),
[imageWidth](const auto & a, const auto & b) -> bool
{
lp::CellLists borderPixelsA, borderPixelsB;
lp::ContourOperations::GenerateBorderCells(borderPixelsA, a->m_Contour, a->m_Id, imageWidth);
lp::ContourOperations::GenerateBorderCells(borderPixelsB, b->m_Contour, b->m_Id, imageWidth);
// Re-order nodes labels (left->right to top->bottom)
vnl_vector<typename TSegmenter::LabelImageType::InternalPixelType> lut(label,noDataLabel);
label = 1;
for(it.GoToBegin();!it.IsAtEnd(); ++it)
{
unsigned int inputLabel = it.Get();
if (lut[ inputLabel ] == noDataLabel && inputLabel != noDataLabel)
{
lut[ inputLabel ] = label;
label++;
}
}
unsigned int offA = 0;
unsigned int offB = 0;
for (auto& pix: borderPixelsA)
if (pix>offA)
offA=pix;
// Apply LUT
for(it.GoToBegin();!it.IsAtEnd(); ++it)
it.Set(lut[it.Get()]);
for (auto& pix: borderPixelsB)
if (pix>offB)
offB=pix;
// Fill holes
typedef itk::GrayscaleFillholeImageFilter<typename TSegmenter::LabelImageType,
typename TSegmenter::LabelImageType> FillholeFilterType;
typename FillholeFilterType::Pointer fillFilter = FillholeFilterType::New();
fillFilter->SetInput(labelImage);
fillFilter->Update();
return offA > offB;
});
return fillFilter->GetOutput();
return segmenter.m_Graph;
}
template<class TSegmenter>
......
include/otbStreamingGraphToImageFilter.h
View file @ f6fad8b1
......@@ -54,6 +54,8 @@ public:
typedef typename TLabelImage::RegionType RegionType;
typedef typename TLabelImage::IndexType IndexType;
typedef typename TLabelImage::SizeType SizeType;
typedef typename TLabelImage::SpacingType SpacingType;
typedef typename TLabelImage::PointType PointType;
typedef typename TGraph::NodePointerType NodePointerType;
typedef itk::GrayscaleFillholeImageFilter<TLabelImage,TLabelImage> FillholeFilterType;
typedef bg::model::point<float, 2, bg::cs::cartesian> point;
......@@ -70,9 +72,12 @@ public:
virtual void GenerateData();
itkSetMacro(OutputSize, SizeType);
itkSetMacro(OutputOrigin, PointType);
itkSetMacro(OutputSpacing, SpacingType);
itkSetMacro(OutputProjectionRef, std::string);
protected:
StreamingGraphToImageFilter();
StreamingGraphToImageFilter(){};
virtual ~StreamingGraphToImageFilter(){};
private:
......@@ -80,9 +85,12 @@ private:
StreamingGraphToImageFilter(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
TGraph m_Graph;
TGraph m_Graph;
bgi::rtree< value, bgi::quadratic<16> > rtree;
SizeType m_OutputSize;
SizeType m_OutputSize;
SpacingType m_OutputSpacing;
PointType m_OutputOrigin;
std::string m_OutputProjectionRef;
};
} /* namespace lsgrm */
......
include/otbStreamingGraphToImageFilter.txx
View file @ f6fad8b1
......@@ -13,13 +13,6 @@
namespace lsgrm
{
template <class TGraph, class TLabelImage>
StreamingGraphToImageFilter<TGraph, TLabelImage>
::StreamingGraphToImageFilter()
{
}
template <class TGraph, class TLabelImage>
void
StreamingGraphToImageFilter<TGraph, TLabelImage>
......@@ -28,23 +21,27 @@ StreamingGraphToImageFilter<TGraph, TLabelImage>
m_Graph = graph;
// Build a R-Tree
std::cout << "Building R-Tree" << std::endl;
itkDebugMacro( << "Building R-Tree" );
rtree.clear();
unsigned int count = 0;
for(auto& node : m_Graph.m_Nodes)
{
// create a box
box b(point(node->m_Bbox.m_UX, node->m_Bbox.m_UY),
point(node->m_Bbox.m_W, node->m_Bbox.m_UY+node->m_Bbox.m_H));
box b(
point(
node->m_Bbox.m_UX,
node->m_Bbox.m_UY),
point(
node->m_Bbox.m_UX + node->m_Bbox.m_W,
node->m_Bbox.m_UY + node->m_Bbox.m_H));
// insert new value
rtree.insert(std::make_pair(b, count));
count++;
}
std::cout << "Building R-Tree finished" << std::endl;
// TODO: create a LUT for reordering labels from top-->down and left-->right
itkDebugMacro( << "Building R-Tree finished" );
}
......@@ -53,14 +50,19 @@ void
StreamingGraphToImageFilter<TGraph, TLabelImage>
::GenerateOutputInformation()
{
TLabelImage * outputPtr = this->GetOutput();
// TODO:
// outputPtr->SetOrigin ( m_OutputOrigin );
// outputPtr->SetSpacing ( m_OutputSpacing );
itkDebugMacro( << "Entering GenerateOutputInformation()" );
// Output Largest Possible Region
IndexType index;
index.Fill(0);
RegionType outputRegion(index, m_OutputSize);
// Set output informations
TLabelImage * outputPtr = this->GetOutput();
outputPtr->SetOrigin ( m_OutputOrigin );
outputPtr->SetSpacing ( m_OutputSpacing );
outputPtr->SetLargestPossibleRegion( outputRegion );
outputPtr->SetProjectionRef(m_OutputProjectionRef);
}
......@@ -70,6 +72,8 @@ void
StreamingGraphToImageFilter<TGraph, TLabelImage>
::GenerateData()
{
itkDebugMacro( << "Entering GenerateData()" );
// Allocate the output buffer
TLabelImage * outputPtr = this->GetOutput();
RegionType outReqRegion = outputPtr->GetRequestedRegion();
......@@ -77,12 +81,17 @@ StreamingGraphToImageFilter<TGraph, TLabelImage>
outputPtr->Allocate();
// Find nodes intersecting find the output requested region
box query_box(point(outReqRegion.GetIndex(0), outReqRegion.GetIndex(1)),
point(outReqRegion.GetIndex(0)+outReqRegion.GetSize(0), outReqRegion.GetIndex(1)+outReqRegion.GetSize(1)));
box query_box(
point(
outReqRegion.GetIndex(0),
outReqRegion.GetIndex(1)),
point(
outReqRegion.GetIndex(0)+outReqRegion.GetSize(0),
outReqRegion.GetIndex(1)+outReqRegion.GetSize(1)));
std::vector<value> result_s;
std::cout << "R-Tree query on output requested region " << outReqRegion << std::endl;
itkDebugMacro( << "R-Tree query on output requested region " << outReqRegion );
rtree.query(bgi::intersects(query_box), std::back_inserter(result_s));
std::cout << "R-Tree query done. Number of nodes: " << result_s.size() << std::endl;
itkDebugMacro( << "R-Tree query done. Number of nodes: " << result_s.size() );
// Retrieve the bounding box of the intersecting nodes (a kind of "Input requested region")
box realBBox(query_box);
......@@ -97,23 +106,22 @@ StreamingGraphToImageFilter<TGraph, TLabelImage>
size[0] = realBBox.max_corner().get<0>() - realBBox.min_corner().get<0>();
size[1] = realBBox.max_corner().get<1>() - realBBox.min_corner().get<1>();
RegionType inputRequestedRegion(index, size);
std::cout << "Input Requested region: " << inputRequestedRegion << std::endl;
itkDebugMacro( << "Input Requested region: " << inputRequestedRegion );
// Generate the label image
std::cout << "Allocate " << std::endl;
itkDebugMacro( << "Allocate buffered region ");
const typename TLabelImage::InternalPixelType noDataLabel = 0;
typename TLabelImage::Pointer labelImage = TLabelImage::New();
labelImage->SetRegions(inputRequestedRegion);
labelImage->Allocate();
labelImage->FillBuffer(noDataLabel);
std::cout << "Allocate ok" << std::endl;
itkDebugMacro( << "Allocate buffered region ok" );
using LabelImageIterator = itk::ImageRegionIterator<TLabelImage>;
LabelImageIterator it(labelImage, inputRequestedRegion);
// Start at 1 (value 0 can be used for invalid pixels)
std::cout << "Iterate " << std::endl;
unsigned int label = 1 ;
// Burn boundaries
itkDebugMacro( << "Burning boundaries " );
for(auto& res : result_s)
{
NodePointerType node = m_Graph.m_Nodes[res.second];
......@@ -125,43 +133,20 @@ StreamingGraphToImageFilter<TGraph, TLabelImage>
{
index[0] = pix % m_OutputSize[0];
index[1] = pix / m_OutputSize[0];
labelImage->SetPixel(index, label);
}
++label;
}
std::cout << "Iterate ok " << std::endl;
// Re-order nodes labels (left->right to top->bottom)
std::cout << "re-order " << std::endl;
vnl_vector<typename TLabelImage::InternalPixelType> lut(label,noDataLabel);
label = 1;
for(it.GoToBegin();!it.IsAtEnd(); ++it)
{
unsigned int inputLabel = it.Get();
if (lut[ inputLabel ] == noDataLabel && inputLabel != noDataLabel)
{
lut[ inputLabel ] = label;
label++;
labelImage->SetPixel(index, res.second);
}
}
std::cout << "re-order ok" << std::endl;
// Apply LUT
std::cout << "apply LUT" << std::endl;
for(it.GoToBegin();!it.IsAtEnd(); ++it)
it.Set(lut[it.Get()]);
std::cout << "apply LUT ok" << std::endl;