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matchtab.h
Go to the documentation of this file.
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/* -*-C-*-
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********************************************************************************
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*
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* File: matchtab.h (Formerly matchtab.h)
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* Description: Match table to retain blobs that were matched.
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* Author: Mark Seaman, OCR Technology
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* Created: Mon Jan 29 09:00:56 1990
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* Modified: Tue Mar 19 15:38:19 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Experimental (Do Not Distribute)
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*
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* (c) Copyright 1990, Hewlett-Packard Company.
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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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#ifndef MATCHTAB_H
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#define MATCHTAB_H
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#include "
ratngs.h
"
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#include "
blobs.h
"
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namespace
tesseract
{
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struct
MATCH
{
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MATCH
() :
rating
(
NULL
) {}
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TBOX
box
;
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BLOB_CHOICE_LIST *
rating
;
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};
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// A class for mapping rectangular bounding boxes to choice lists.
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// Only meant to be used at the word level, as we have a limit of
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// 500 recognition lists for all subsequences of blobs.
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class
BlobMatchTable
{
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public
:
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BlobMatchTable
();
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~BlobMatchTable
();
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void
init_match_table
();
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void
end_match_table
();
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void
put_match
(
TBLOB
*blob, BLOB_CHOICE_LIST *ratings);
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BLOB_CHOICE_LIST *
get_match
(
TBLOB
*blob);
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BLOB_CHOICE_LIST *
get_match_by_box
(
const
TBOX
&box);
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void
add_to_match
(
TBLOB
*blob, BLOB_CHOICE_LIST *ratings);
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private
:
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int
Hash(
const
TBOX
&box)
const
;
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// Returns whether the idx entry in the array is still empty.
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bool
IsEmpty(
int
idx)
const
;
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bool
been_initialized_;
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MATCH
* match_table_;
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};
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}
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#endif
mnt
data
src
tesseract-ocr
wordrec
matchtab.h
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