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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@87 d0cd1f9f-072b-0410-8dd7-cf729c803f20
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/******************************************************************************
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** Filename: stopper.h
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** Purpose: Stopping criteria for word classifier.
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** Author: Dan Johnson
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** History: Wed May 1 09:42:57 1991, DSJ, Created.
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**
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** (c) Copyright Hewlett-Packard Company, 1988.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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******************************************************************************/
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#ifndef STOPPER_H
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#define STOPPER_H
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/**----------------------------------------------------------------------------
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Include Files and Type Defines
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----------------------------------------------------------------------------**/
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#include "choicearr.h"
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#include "states.h"
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typedef UINT8 BLOB_WIDTH;
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typedef struct
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{
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INT16 index;
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unsigned bad_length:8;
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unsigned good_length:8;
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} DANGERR;
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/*---------------------------------------------------------------------------
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Variables
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---------------------------------------------------------------------------*/
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extern float CertaintyPerChar;
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extern float NonDictCertainty;
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extern float RejectCertaintyOffset;
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extern int StopperDebugLevel;
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/**----------------------------------------------------------------------------
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Macros
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----------------------------------------------------------------------------**/
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#define DisableChoiceAccum() (KeepWordChoices = FALSE)
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#define EnableChoiceAccum() (KeepWordChoices = TRUE)
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/**----------------------------------------------------------------------------
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Public Function Prototypes
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----------------------------------------------------------------------------**/
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int AcceptableChoice(CHOICES_LIST Choices,
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A_CHOICE *BestChoice,
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A_CHOICE *RawChoice,
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DANGERR *fixpt);
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int AcceptableResult(A_CHOICE *BestChoice, A_CHOICE *RawChoice);
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int AlternativeChoicesWorseThan(FLOAT32 Threshold);
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int CurrentBestChoiceIs(const char *Word, const char *Word_lengths);
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FLOAT32 CurrentBestChoiceAdjustFactor();
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int CurrentWordAmbig();
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void DebugWordChoices();
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void FilterWordChoices();
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void FindClassifierErrors (FLOAT32 MinRating,
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FLOAT32 MaxRating,
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FLOAT32 RatingMargin, FLOAT32 Thresholds[]);
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void InitStopperVars();
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void InitChoiceAccum();
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void LogNewRawChoice (A_CHOICE * Choice,
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FLOAT32 AdjustFactor, float Certainties[]);
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void LogNewSegmentation(PIECES_STATE BlobWidth);
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void LogNewSplit(int Blob);
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void LogNewWordChoice (A_CHOICE * Choice,
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FLOAT32 AdjustFactor, float Certainties[]);
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int NoDangerousAmbig(const char *Word,
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const char *Word_lengths,
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DANGERR *fixpt);
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void EndDangerousAmbigs();
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void SettupStopperPass1();
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void SettupStopperPass2();
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/**----------------------------------------------------------------------------
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Global Data Definitions and Declarations
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----------------------------------------------------------------------------**/
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extern BOOL8 KeepWordChoices;
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#endif
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