training/mergenf.h

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#ifndef MERGENFH
#define MERGENFH
/*----------------------------------------------------------------------------
               Include Files and Type Defines
----------------------------------------------------------------------------*/
#include "protos.h"
#include "cluster.h"
#include "ocrfeatures.h"
#include "training.h"

#define WORST_MATCH_ALLOWED   (0.9)
#define WORST_EVIDENCE (1.0)
#define MAX_LENGTH_MISMATCH   (2.0 * GetPicoFeatureLength ())

#define PROTO_SUFFIX    ".mf.p"
#define CONFIG_SUFFIX      ".cl"
#define NO_PROTO  (-1)
#define XPOSITION       0
#define YPOSITION       1
#define MFLENGTH        2
#define ORIENTATION        3

typedef enum
{
   PicoFeatY,
   PicoFeatDir,
   PicoFeatX
} PICO_FEAT_PARAM_NAME;

typedef struct
{
  FLOAT32   MinX, MaxX, MinY, MaxY;
} FRECT;

/*----------------------------------------------------------------------------
               Public Macros
----------------------------------------------------------------------------*/
#define CenterX(M)      ( (M)[XPOSITION] )
#define CenterY(M)      ( (M)[YPOSITION] )
#define LengthOf(M)     ( (M)[MFLENGTH] )
#define OrientationOf(M)   ( (M)[ORIENTATION] )

/*----------------------------------------------------------------------------
               Public Function Prototypes
----------------------------------------------------------------------------**/
FLOAT32 CompareProtos (
     PROTO  p1,
    PROTO   p2);

void ComputeMergedProto (
     PROTO  p1,
    PROTO   p2,
     FLOAT32   w1,
    FLOAT32 w2,
     PROTO  MergedProto);

int FindClosestExistingProto (
     CLASS_TYPE   Class,
     int          NumMerged[],
     PROTOTYPE *Prototype);

void MakeNewFromOld (
     PROTO  New,
     PROTOTYPE *Old);

void InitSubfeatureVars ();

FLOAT32 SubfeatureEvidence (
   FEATURE     Feature,
   PROTO       Proto);

FLOAT32 EvidenceOf (
  register FLOAT32   Similarity);

void InitFastTrainerVars ();

BOOL8 DummyFastMatch (
     FEATURE   Feature,
     PROTO  Proto);

void ComputePaddedBoundingBox (
     PROTO  Proto,
     FLOAT32   TangentPad,
    FLOAT32 OrthogonalPad,
     FRECT  *BoundingBox);

BOOL8 PointInside (
     FRECT  *Rectangle,
     FLOAT32   X,
    FLOAT32 Y);

extern FEATURE_DESC_STRUCT PicoFeatDesc;

#endif

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