tesseract/classify/picofeat.h

73 lines
2.9 KiB
C

/******************************************************************************
** Filename: picofeat.h
** Purpose: Definition of pico features.
** Author: Dan Johnson
** History: 9/4/90, 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 PICOFEAT_H
#define PICOFEAT_H
/**----------------------------------------------------------------------------
Include Files and Type Defines
----------------------------------------------------------------------------**/
#include "ocrfeatures.h"
#include "params.h"
// Enum for the order/type of params in IntFeatDesc.
enum IntParams {
IntX, // x-position (0-255).
IntY, // y-position (0-255).
IntDir // Direction (0-255, circular).
};
// Enum for the order/type of params in GeoFeatDesc.
enum GeoParams {
GeoBottom, // Bounding box bottom in baseline space (0-255).
GeoTop, // Bounding box top in baseline space (0-255).
GeoWidth, // Bounding box width in baseline space (0-255).
GeoCount // Number of geo features.
};
typedef enum
{ PicoFeatY, PicoFeatDir, PicoFeatX }
PICO_FEAT_PARAM_NAME;
#define MAX_PICO_FEATURES (1000)
/*---------------------------------------------------------------------------
Variables
----------------------------------------------------------------------------*/
extern double_VAR_H(classify_pico_feature_length, 0.05, "Pico Feature Length");
/**----------------------------------------------------------------------------
Public Function Prototypes
----------------------------------------------------------------------------**/
#define GetPicoFeatureLength() (PicoFeatureLength)
FEATURE_SET ExtractIntCNFeatures(TBLOB *Blob, const DENORM& bl_denorm,
const DENORM& cn_denorm,
const INT_FX_RESULT_STRUCT& fx_info);
FEATURE_SET ExtractIntGeoFeatures(TBLOB *Blob, const DENORM& bl_denorm,
const DENORM& cn_denorm,
const INT_FX_RESULT_STRUCT& fx_info);
/**----------------------------------------------------------------------------
Global Data Definitions and Declarations
----------------------------------------------------------------------------**/
extern FLOAT32 PicoFeatureLength;
#endif