tesseract/dict/stopper.h
2012-02-02 02:56:18 +00:00

90 lines
2.7 KiB
C++

/******************************************************************************
** Filename: stopper.h
** Purpose: Stopping criteria for word classifier.
** Author: Dan Johnson
** History: Wed May 1 09:42:57 1991, 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 STOPPER_H
#define STOPPER_H
/**----------------------------------------------------------------------------
Include Files and Type Defines
----------------------------------------------------------------------------**/
#include "genericvector.h"
#include "params.h"
#include "states.h"
#include "unichar.h"
class WERD_CHOICE;
typedef uinT8 BLOB_WIDTH;
struct DANGERR_INFO {
DANGERR_INFO() :
begin(-1), end(-1), dangerous(false), correct_is_ngram(false) {}
DANGERR_INFO(int b, int e, bool d, bool n) :
begin(b), end(e), dangerous(d), correct_is_ngram(n) {}
int begin;
int end;
bool dangerous;
bool correct_is_ngram;
};
typedef GenericVector<DANGERR_INFO> DANGERR;
enum ACCEPTABLE_CHOICE_CALLER { CHOPPER_CALLER, ASSOCIATOR_CALLER };
struct CHAR_CHOICE {
UNICHAR_ID Class;
uinT16 NumChunks;
float Certainty;
};
class VIABLE_CHOICE_STRUCT {
public:
VIABLE_CHOICE_STRUCT();
explicit VIABLE_CHOICE_STRUCT(int length);
~VIABLE_CHOICE_STRUCT();
// Fill in the data with these values.
void Init(const WERD_CHOICE& word_choice,
const PIECES_STATE& pieces_state,
const float certainties[],
FLOAT32 adjust_factor);
int Length;
float Rating;
float Certainty;
FLOAT32 AdjustFactor;
bool ComposedFromCharFragments;
CHAR_CHOICE *Blob;
// segmentation_state: for each choice, how many consecutive blobs
// does it use?
uinT8 *segmentation_state;
private:
// Disallow assignment and copy construction
VIABLE_CHOICE_STRUCT(const VIABLE_CHOICE_STRUCT &other)
: Length(0), Blob(NULL), segmentation_state(NULL) {}
VIABLE_CHOICE_STRUCT &operator=(const VIABLE_CHOICE_STRUCT &other) {
return *this;
}
};
typedef VIABLE_CHOICE_STRUCT *VIABLE_CHOICE;
#endif