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https://github.com/tesseract-ocr/tesseract.git
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64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
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/******************************************************************************
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** Filename: normfeat.h
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** Purpose: Definition of character normalization features.
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** Author: Dan Johnson
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** History: 12/14/90, 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 NORMFEAT_H
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#define NORMFEAT_H
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/**----------------------------------------------------------------------------
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Include Files and Type Defines
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----------------------------------------------------------------------------**/
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#include "ocrfeatures.h"
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#include "tessclas.h"
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#include "fxdefs.h"
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#define LENGTH_COMPRESSION (10.0)
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typedef enum
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{ CharNormY, CharNormLength, CharNormRx, CharNormRy }
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NORM_PARAM_NAME;
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/**----------------------------------------------------------------------------
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Public Function Prototypes
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----------------------------------------------------------------------------**/
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FLOAT32 ActualOutlineLength(FEATURE Feature);
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FEATURE_SET ExtractCharNormFeatures(TBLOB *Blob, LINE_STATS *LineStats);
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/*
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#if defined(__STDC__) || defined(__cplusplus)
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# define _ARGS(s) s
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#else
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# define _ARGS(s) ()
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#endif*/
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/* normfeat.c
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FLOAT32 ActualOutlineLength
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_ARGS((FEATURE Feature));
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FEATURE_SET ExtractCharNormFeatures
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_ARGS((BLOB *Blob,
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LINE_STATS *LineStats));
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#undef _ARGS
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*/
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/**----------------------------------------------------------------------------
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Global Data Definitions and Declarations
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----------------------------------------------------------------------------**/
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extern FEATURE_DESC_STRUCT CharNormDesc;
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#endif
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