mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-04 01:39:16 +08:00
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
|
/**********************************************************************
|
||
|
|
* File: feature_chebyshev.cpp
|
||
|
|
* Description: Implementation 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.
|
||
|
|
*
|
||
|
|
**********************************************************************/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <math.h>
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
#include <algorithm>
|
||
|
|
#include "feature_base.h"
|
||
|
|
#include "feature_hybrid.h"
|
||
|
|
#include "cube_utils.h"
|
||
|
|
#include "const.h"
|
||
|
|
#include "char_samp.h"
|
||
|
|
|
||
|
|
namespace tesseract {
|
||
|
|
|
||
|
|
FeatureHybrid::FeatureHybrid(TuningParams *params)
|
||
|
|
:FeatureBase(params) {
|
||
|
|
feature_bmp_ = new FeatureBmp(params);
|
||
|
|
feature_chebyshev_ = new FeatureChebyshev(params);
|
||
|
|
}
|
||
|
|
|
||
|
|
FeatureHybrid::~FeatureHybrid() {
|
||
|
|
delete feature_bmp_;
|
||
|
|
delete feature_chebyshev_;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Render a visualization of the features to a CharSamp.
|
||
|
|
// This is mainly used by visual-debuggers
|
||
|
|
CharSamp *FeatureHybrid::ComputeFeatureBitmap(CharSamp *char_samp) {
|
||
|
|
return char_samp;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Compute the features of a given CharSamp
|
||
|
|
bool FeatureHybrid::ComputeFeatures(CharSamp *char_samp, float *features) {
|
||
|
|
if (feature_bmp_ == NULL || feature_chebyshev_ == NULL) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!feature_bmp_->ComputeFeatures(char_samp, features)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return feature_chebyshev_->ComputeFeatures(char_samp,
|
||
|
|
features + feature_bmp_->FeatureCnt());
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace tesseract
|