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cubeclassifier.h
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1 // Copyright 2011 Google Inc. All Rights Reserved.
2 // Author: rays@google.com (Ray Smith)
4 // File: cubeclassifier.h
5 // Description: Cube implementation of a ShapeClassifier.
6 // Author: Ray Smith
7 // Created: Wed Nov 23 10:36:32 PST 2011
8 //
9 // (C) Copyright 2011, Google Inc.
10 // Licensed under the Apache License, Version 2.0 (the "License");
11 // you may not use this file except in compliance with the License.
12 // You may obtain a copy of the License at
13 // http://www.apache.org/licenses/LICENSE-2.0
14 // Unless required by applicable law or agreed to in writing, software
15 // distributed under the License is distributed on an "AS IS" BASIS,
16 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 // See the License for the specific language governing permissions and
18 // limitations under the License.
19 //
21 
22 #ifndef THIRD_PARTY_TESSERACT_CCMAIN_CUBECLASSIFIER_H_
23 #define THIRD_PARTY_TESSERACT_CCMAIN_CUBECLASSIFIER_H_
24 
25 #include "shapeclassifier.h"
26 
27 namespace tesseract {
28 
29 class Classify;
30 class CubeRecoContext;
31 class ShapeTable;
32 class TessClassifier;
33 class Tesseract;
34 class TrainingSample;
35 
36 // Cube implementation of a ShapeClassifier.
38  public:
40  virtual ~CubeClassifier();
41 
42  // Classifies the given [training] sample, writing to results.
43  // See ShapeClassifier for a full description.
44  virtual int ClassifySample(const TrainingSample& sample, Pix* page_pix,
45  int debug, int keep_this,
47  // Provides access to the ShapeTable that this classifier works with.
48  virtual const ShapeTable* GetShapeTable() const;
49 
50  private:
51  // Cube objects.
52  CubeRecoContext* cube_cntxt_;
53  const ShapeTable& shape_table_;
54 };
55 
56 // Combination of Tesseract class pruner with scoring by cube.
58  public:
60  virtual ~CubeTessClassifier();
61 
62  // Classifies the given [training] sample, writing to results.
63  // See ShapeClassifier for a full description.
64  virtual int ClassifySample(const TrainingSample& sample, Pix* page_pix,
65  int debug, int keep_this,
67  // Provides access to the ShapeTable that this classifier works with.
68  virtual const ShapeTable* GetShapeTable() const;
69 
70  private:
71  // Cube objects.
72  CubeRecoContext* cube_cntxt_;
73  const ShapeTable& shape_table_;
74  TessClassifier* pruner_;
75 };
76 
77 } // namespace tesseract
78 
79 #endif /* THIRD_PARTY_TESSERACT_CCMAIN_CUBECLASSIFIER_H_ */