tesseract/classify/normfeat.h

40 lines
1.6 KiB
C

/******************************************************************************
** Filename: normfeat.h
** Purpose: Definition of character normalization features.
** Author: Dan Johnson
** History: 12/14/90, 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 NORMFEAT_H
#define NORMFEAT_H
/**----------------------------------------------------------------------------
Include Files and Type Defines
----------------------------------------------------------------------------**/
#include "ocrfeatures.h"
#define LENGTH_COMPRESSION (10.0)
typedef enum {
CharNormY, CharNormLength, CharNormRx, CharNormRy
} NORM_PARAM_NAME;
/**----------------------------------------------------------------------------
Public Function Prototypes
----------------------------------------------------------------------------**/
FLOAT32 ActualOutlineLength(FEATURE Feature);
FEATURE_SET ExtractCharNormFeatures(TBLOB *Blob, const DENORM& denorm);
#endif