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/******************************************************************************
** Filename: MergeNF.c
** Purpose: Program for merging similar nano-feature protos
** Author: Dan Johnson
** History: Wed Nov 21 09:55:23 1990, DSJ, Created.
**
** (c) Copyright Hewlett-Packard Company, 1988.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*****************************************************************************/
#ifndef TESSERACT_TRAINING_MERGENF_H_
#define TESSERACT_TRAINING_MERGENF_H_
/**----------------------------------------------------------------------------
Include Files and Type Defines
----------------------------------------------------------------------------**/
#include "cluster.h"
#include "ocrfeatures.h"
#include "picofeat.h"
#include "protos.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 struct {
float 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
----------------------------------------------------------------------------**/
float CompareProtos(tesseract::PROTO p1, tesseract::PROTO p2);
void ComputeMergedProto(tesseract::PROTO p1, tesseract::PROTO p2, float w1, float w2,
tesseract::PROTO MergedProto);
int FindClosestExistingProto(tesseract::CLASS_TYPE Class, int NumMerged[],
tesseract::PROTOTYPE* Prototype);
void MakeNewFromOld(tesseract::PROTO New, tesseract::PROTOTYPE* Old);
float SubfeatureEvidence(tesseract::FEATURE Feature, tesseract::PROTO Proto);
double EvidenceOf(double Similarity);
bool DummyFastMatch(tesseract::FEATURE Feature, tesseract::PROTO Proto);
void ComputePaddedBoundingBox(tesseract::PROTO Proto, float TangentPad,
float OrthogonalPad, FRECT* BoundingBox);
bool PointInside(FRECT* Rectangle, float X, float Y);
#endif // TESSERACT_TRAINING_MERGENF_H_
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