classify/fxdefs.h File Reference

#include "tessclas.h"
#include "general.h"

Go to the source code of this file.

Classes

• struct LINE_STATS

  Data structure of line statistics. More...
  

Defines

• #define CLASSIFY_MODE   1
• #define EnterClassifyMode   (SetExtractMode (CLASSIFY_MODE))
• #define EnterLearnMode   (SetExtractMode (LEARN_MODE))
• #define LEARN_MODE   0
• #define SetExtractMode(M)   (ExtractMode = (M))

Typedefs

• typedef char * CHAR_FEATURES

  Generic character description as a char pointer.
  

Functions

• void GetLineStatsFromRow (TEXTROW *Row, LINE_STATS *LineStats)

  Copies the relavent fields from the Row struct to the LineStats struct.
  

• void SetupExtractors ()

  New for v1.03.
  

Variables

• int ExtractMode

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Define Documentation

#define CLASSIFY_MODE   1

CLASSIFYING mode for feature extractor

Definition at line 31 of file fxdefs.h.

#define EnterClassifyMode   (SetExtractMode (CLASSIFY_MODE))

Definition at line 81 of file fxdefs.h.

Referenced by AdaptiveClassifier(), compare_tess_blobs(), and GetAmbiguities().

#define EnterLearnMode   (SetExtractMode (LEARN_MODE))

Definition at line 80 of file fxdefs.h.

Referenced by LearnBlob().

#define LEARN_MODE   0

LEARNING mode for feature extractor

Definition at line 29 of file fxdefs.h.

#define SetExtractMode

(

M

)

(ExtractMode = (M))

macro to change and monitor the mode of the feature extractor.

In general, learn mode smears features which would otherwise be discrete in nature; classify mode does not.

Definition at line 79 of file fxdefs.h.

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Typedef Documentation

CHAR_FEATURES

Generic character description as a char pointer.

In reality, it will be a pointer to some data structure. Paired feature extractors/matchers need to agree on the data structure to be used, however, the high level classifier does not need to know the details of this data structure.

Usually used to hold a list of micr-structures extracted from a blob

Definition at line 67 of file fxdefs.h.

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Function Documentation

void GetLineStatsFromRow	(	TEXTROW *	Row,
		LINE_STATS *	LineStats
	)

Copies the relavent fields from the Row struct to the LineStats struct.

Parameters:

	Row	Text row to get line statistics from
	LineStats	Place to put line statistics

Returns:

none (results are returned in LineStats)

Note:

Exceptions: none

Date:

Mon Mar 11 10:38:43 1991, DSJ, Created.

Definition at line 67 of file fxdefs.cpp.

References textrowstruct::ascrise, LINE_STATS::AscRise, textrowstruct::baseline, LINE_STATS::Baseline, textrowstruct::descdrop, LINE_STATS::DescDrop, textrowstruct::lineheight, LINE_STATS::TextRow, LINE_STATS::xheight, textrowstruct::xheight, and LINE_STATS::XHeightLine.

Referenced by AdaptiveClassifier(), AdaptToWord(), compare_tess_blobs(), and LearnBlob().

                                                              { 
  LineStats->Baseline = &(Row->baseline);
  LineStats->XHeightLine = &(Row->xheight);
  LineStats->xheight = Row->lineheight;
  LineStats->AscRise = Row->ascrise;
  LineStats->DescDrop = Row->descdrop;
  LineStats->TextRow = Row;      /* kludge - only needed by fx for */
  /* fast matcher - remove later */

}                                /* GetLineStatsFromRow */

void SetupExtractors

(

)

New for v1.03.

Definition at line 53 of file fxdefs.cpp.

References ExtractorDefs, ExtractorOf, and NUM_FEATURE_TYPES.

Referenced by InitFlexFXVars().

                       {
  for (int i = 0; i < NUM_FEATURE_TYPES; ++i)
    ExtractorOf(i) = ExtractorDefs[i];
}

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Variable Documentation

int ExtractMode

flag to control learn mode vs classify mode

Definition at line 30 of file fxdefs.cpp.

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