flst_reconstruct.c

来自「image processing including fourier,wavel」· C语言 代码 · 共 38 行

/*---------------------------- MegaWave Module ----------------------------*/ 
/* mwcommand 
  name = {flst_reconstruct}; 
  version = {"1.0"}; 
  author = {"Pascal Monasse, Frederic Guichard"}; 
  function = {"Reconstruct an image from its Fast Level Sets Transform"}; 
  usage = { 
    tree -> pTree "Input tree of shapes", 
    image <- pFloatImageOutput  "Output fimage" 
    }; 
*/ 

#include "mw.h" 

 
void flst_reconstruct(pTree, pFloatImageOutput) 
Shapes pTree; 
Fimage pFloatImageOutput; 
{ 
  int i; 
  float* pOutputPixel; 
  Shape* ppShapeOfPixel; 
  Shape pShape; 
 
  if(! mw_change_fimage(pFloatImageOutput, pTree->nrow, pTree->ncol)) 
    mwerror(FATAL, 1, "flst_reconstruct --> impossible to allocate the output image\n"); 
   
  pOutputPixel = pFloatImageOutput->gray; 
  ppShapeOfPixel = pTree->smallest_shape; 
  for(i = pTree->nrow*pTree->ncol-1; i >= 0; i--) 
    { 
      pShape = *ppShapeOfPixel++; 
      while(pShape->removed) 
	pShape = pShape->parent; 
      *pOutputPixel++ = pShape->value; 
    } 
}