mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-15 09:47:46 +08:00
4523ce9f7d
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@526 d0cd1f9f-072b-0410-8dd7-cf729c803f20
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/**********************************************************************
|
|
* File: feature_chebyshev.h
|
|
* Description: Declaration of the Chebyshev coefficients Feature Class
|
|
* Author: Ahmad Abdulkader
|
|
* Created: 2008
|
|
*
|
|
* (C) Copyright 2008, Google Inc.
|
|
** 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.
|
|
*
|
|
**********************************************************************/
|
|
|
|
// The FeatureHybrid class implements a Bitmap feature extractor class. It
|
|
// inherits from the FeatureBase class
|
|
// This class describes the a hybrid feature vector composed by combining
|
|
// the bitmap and the chebyshev feature vectors
|
|
|
|
#ifndef FEATURE_HYBRID_H
|
|
#define FEATURE_HYBRID_H
|
|
|
|
#include "char_samp.h"
|
|
#include "feature_bmp.h"
|
|
#include "feature_chebyshev.h"
|
|
|
|
namespace tesseract {
|
|
class FeatureHybrid : public FeatureBase {
|
|
public:
|
|
explicit FeatureHybrid(TuningParams *params);
|
|
virtual ~FeatureHybrid();
|
|
// Render a visualization of the features to a CharSamp.
|
|
// This is mainly used by visual-debuggers
|
|
virtual CharSamp *ComputeFeatureBitmap(CharSamp *samp);
|
|
// Compute the features for a given CharSamp
|
|
virtual bool ComputeFeatures(CharSamp *samp, float *features);
|
|
// Returns the count of features
|
|
virtual int FeatureCnt() {
|
|
if (feature_bmp_ == NULL || feature_chebyshev_ == NULL) {
|
|
return 0;
|
|
}
|
|
return feature_bmp_->FeatureCnt() + feature_chebyshev_->FeatureCnt();
|
|
}
|
|
|
|
protected:
|
|
FeatureBmp *feature_bmp_;
|
|
FeatureChebyshev *feature_chebyshev_;
|
|
};
|
|
}
|
|
|
|
#endif // FEATURE_HYBRID_H
|