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flexfx.cpp
Go to the documentation of this file.
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/******************************************************************************
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** Filename: flexfx.c
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** Purpose: Interface to flexible feature extractor.
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** Author: Dan Johnson
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** History: Wed May 23 13:45:10 1990, DSJ, Created.
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**
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** (c) Copyright Hewlett-Packard Company, 1988.
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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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#include "
flexfx.h
"
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#include "
featdefs.h
"
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#include "
emalloc.h
"
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#include <string.h>
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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CHAR_DESC
ExtractFlexFeatures
(
const
FEATURE_DEFS_STRUCT
&FeatureDefs,
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TBLOB
*Blob,
const
DENORM
& denorm) {
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/*
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** Parameters:
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** Blob blob to extract features from
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** denorm control parameter for feature extractor
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** Globals: none
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** Operation: Allocate a new character descriptor and fill it in by
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** calling all feature extractors which are enabled.
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** Return: Structure containing features extracted from Blob.
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** Exceptions: none
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** History: Wed May 23 13:46:22 1990, DSJ, Created.
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*/
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int
Type;
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CHAR_DESC
CharDesc;
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CharDesc =
NewCharDescription
(FeatureDefs);
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for
(Type = 0; Type < CharDesc->
NumFeatureSets
; Type++)
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if
(FeatureDefs.
FeatureExtractors
[Type] !=
NULL
&&
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FeatureDefs.
FeatureExtractors
[Type]->
Extractor
!=
NULL
) {
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CharDesc->
FeatureSets
[Type] =
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(FeatureDefs.
FeatureExtractors
[Type])->Extractor(Blob, denorm);
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if
(CharDesc->
FeatureSets
[Type] ==
NULL
) {
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FreeCharDescription
(CharDesc);
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return
NULL
;
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}
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}
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return
(CharDesc);
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}
/* ExtractFlexFeatures */
mnt
data
src
tesseract-ocr
classify
flexfx.cpp
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1.8.1