mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-17 02:38:13 +08:00
78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
// Copyright 2011 Google Inc. All Rights Reserved.
|
|
// Author: rays@google.com (Ray Smith)
|
|
///////////////////////////////////////////////////////////////////////
|
|
// File: tessclassifier.h
|
|
// Description: Tesseract implementation of a ShapeClassifier.
|
|
// Author: Ray Smith
|
|
// Created: Tue Nov 22 14:10:45 PST 2011
|
|
//
|
|
// (C) Copyright 2011, 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.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef THIRD_PARTY_TESSERACT_CLASSIFY_TESSCLASSIFIER_H_
|
|
#define THIRD_PARTY_TESSERACT_CLASSIFY_TESSCLASSIFIER_H_
|
|
|
|
#include "shapeclassifier.h"
|
|
|
|
namespace tesseract {
|
|
|
|
class Classify;
|
|
class TrainingSample;
|
|
|
|
// Tesseract implementation of a ShapeClassifier.
|
|
// Due to limitations in the content of TrainingSample, this currently
|
|
// only works for the static classifier and only works if the ShapeTable
|
|
// in classify is not nullptr.
|
|
class TessClassifier : public ShapeClassifier {
|
|
public:
|
|
TessClassifier(bool pruner_only, tesseract::Classify* classify)
|
|
: pruner_only_(pruner_only), classify_(classify) {}
|
|
virtual ~TessClassifier() {}
|
|
|
|
// Classifies the given [training] sample, writing to results.
|
|
// See ShapeClassifier for a full description.
|
|
virtual int UnicharClassifySample(const TrainingSample& sample, Pix* page_pix,
|
|
int debug, UNICHAR_ID keep_this,
|
|
GenericVector<UnicharRating>* results);
|
|
// Provides access to the ShapeTable that this classifier works with.
|
|
virtual const ShapeTable* GetShapeTable() const;
|
|
// Provides access to the UNICHARSET that this classifier works with.
|
|
// Only needs to be overridden if GetShapeTable() can return nullptr.
|
|
virtual const UNICHARSET& GetUnicharset() const;
|
|
|
|
// Displays classification as the given shape_id. Creates as many windows
|
|
// as it feels fit, using index as a guide for placement. Adds any created
|
|
// windows to the windows output and returns a new index that may be used
|
|
// by any subsequent classifiers. Caller waits for the user to view and
|
|
// then destroys the windows by clearing the vector.
|
|
virtual int DisplayClassifyAs(const TrainingSample& sample, Pix* page_pix,
|
|
int unichar_id, int index,
|
|
PointerVector<ScrollView>* windows);
|
|
|
|
private:
|
|
// Indicates that this classifier is to use just the ClassPruner, or the
|
|
// full classifier if false.
|
|
bool pruner_only_;
|
|
// Borrowed pointer to the actual Tesseract classifier.
|
|
tesseract::Classify* classify_;
|
|
};
|
|
|
|
|
|
} // namespace tesseract
|
|
|
|
|
|
|
|
|
|
|
|
#endif /* THIRD_PARTY_TESSERACT_CLASSIFY_TESSCLASSIFIER_H_ */
|