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https://github.com/tesseract-ocr/tesseract.git
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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
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/**********************************************************************
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* File: feature_chebyshev.cpp
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* Description: Implementation of the Chebyshev coefficients Feature Class
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* Author: Ahmad Abdulkader
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* Created: 2008
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*
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* (C) Copyright 2008, Google Inc.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include "feature_base.h"
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#include "feature_hybrid.h"
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#include "cube_utils.h"
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#include "const.h"
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#include "char_samp.h"
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namespace tesseract {
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FeatureHybrid::FeatureHybrid(TuningParams *params)
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:FeatureBase(params) {
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feature_bmp_ = new FeatureBmp(params);
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feature_chebyshev_ = new FeatureChebyshev(params);
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}
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FeatureHybrid::~FeatureHybrid() {
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delete feature_bmp_;
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delete feature_chebyshev_;
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}
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// Render a visualization of the features to a CharSamp.
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// This is mainly used by visual-debuggers
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CharSamp *FeatureHybrid::ComputeFeatureBitmap(CharSamp *char_samp) {
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return char_samp;
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}
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// Compute the features of a given CharSamp
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bool FeatureHybrid::ComputeFeatures(CharSamp *char_samp, float *features) {
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if (feature_bmp_ == NULL || feature_chebyshev_ == NULL) {
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return false;
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}
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if (!feature_bmp_->ComputeFeatures(char_samp, features)) {
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return false;
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}
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return feature_chebyshev_->ComputeFeatures(char_samp,
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features + feature_bmp_->FeatureCnt());
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}
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} // namespace tesseract
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