src/snark/DistanceMeasure.h

   1 /*
   2  ***********************************************************
   3  $SNARK_Header$
   4  $HeadURL: svn://dig.cs.gc.cuny.edu/snark/trunk/src/snark/trm6.h $
   5  $LastChangedRevision: 122 $
   6  $Date: 2014-07-09 18:18:59 -0400 (Wed, 09 Jul 2014) $
   7  $Author: agulati $
   8  ***********************************************************
   9
  10  Abstract class for distance measurements
  11
  12  */
  13
  14 #ifndef Distance_Measure
  15 #define Distance_Measure
  16
  17 #include "blkdta.h"
  18
  19 class DistanceMeasure {
  20
  21 // attributes
  22 private:
  23         char* distanceName;
  24
  25 // methods
  26 public:
  27         DistanceMeasure(char* distanceNameIn);
  28         virtual ~DistanceMeasure();
  29
  30         /**
  31          * Calculates the distance for the provided reconstruction.
  32          *
  33          * input:       recon           the reconstruction, from which the distance should be calculated
  34          *                      list            a allocated list with lenght = max pixel intersected by one ray
  35          *                      weight          a allocated list with lenght = max pixel intersected by one ray
  36          */
  37         REAL calculateDistance(REAL* recon, INTEGER* list, REAL* weight);
  38
  39         /**
  40          * Calculates the distance for the provided reconstruction.
  41          *
  42          * input:       reconPixel      the reconstruction, from which the distance should be calculated
  43          *                      list            a allocated list with lenght = max pixel intersected by one ray
  44          *                      weight          a allocated list with lenght = max pixel intersected by one ray
  45          */
  46         virtual REAL calculateDistanceForPixel(REAL* reconPixel, INTEGER* list,
  47         REAL* weight) = 0;
  48
  49         /**
  50          * Calculates the distance for the provided reconstruction.
  51          *
  52          * input:       reconBlob       the reconstruction, from which the distance should be calculated
  53          *                      list            a allocated list with lenght = max pixel intersected by one ray
  54          *                      weight          a allocated list with lenght = max pixel intersected by one ray
  55          */
  56         virtual REAL calculateDistanceForBlob(REAL* reconBlob, INTEGER* list,
  57         REAL* weight) = 0;
  58
  59         /**
  60          * Returns the name of the distance measure
  61          */
  62         char* getName();
  63 };
  64
  65 #endif