normfeat.h

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/******************************************************************************
 ** 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 "ocrfeatures.h"
 
namespace tesseract {
 
#define LENGTH_COMPRESSION (10.0)
 
struct INT_FX_RESULT_STRUCT;
 
typedef enum { CharNormY, CharNormLength, CharNormRx, CharNormRy } NORM_PARAM_NAME;
 
float ActualOutlineLength(FEATURE Feature);
 
FEATURE_SET ExtractCharNormFeatures(const INT_FX_RESULT_STRUCT &fx_info);
 
} // namespace tesseract
 
#endif