Transition thresholds and transition operators for binarization and edge detection
Identifieur interne : 000762 ( Main/Exploration ); précédent : 000761; suivant : 000763Transition thresholds and transition operators for binarization and edge detection
Auteurs : Marte A. Ramirez-Ortegon [Allemagne] ; Ernesto Tapia [Allemagne] ; Raúl Rojas [Allemagne] ; Erik Cuevas [Mexique]Source :
- Pattern recognition [ 0031-3203 ] ; 2010.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The transition method for image binarization is based on the concept of t-transition pixels, a generalization of edge pixels, and t-transition sets. We introduce a novel unsupervised thresholding for unimodal histograms to estimate the transition sets. We also present dilation and incidence transition operators to refine the transition set. Afterward, we propose the simple edge transition operator for detecting edges. Our experiments show that the new approach increases the effectiveness of OCR applications outperforming several top-ranked binarization algorithms.
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream PascalFrancis, to step Corpus: 000177
- to stream PascalFrancis, to step Curation: 000600
- to stream PascalFrancis, to step Checkpoint: 000136
- to stream Main, to step Merge: 000767
- to stream Main, to step Curation: 000762
Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Transition thresholds and transition operators for binarization and edge detection</title>
<author><name sortKey="Ramirez Ortegon, Marte A" sort="Ramirez Ortegon, Marte A" uniqKey="Ramirez Ortegon M" first="Marte A." last="Ramirez-Ortegon">Marte A. Ramirez-Ortegon</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Informatik, Freie Universität Berlin, Takustr. 9</s1>
<s2>14195 Berlin</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="3">Berlin</region>
<settlement type="city">Berlin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Tapia, Ernesto" sort="Tapia, Ernesto" uniqKey="Tapia E" first="Ernesto" last="Tapia">Ernesto Tapia</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Informatik, Freie Universität Berlin, Takustr. 9</s1>
<s2>14195 Berlin</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="3">Berlin</region>
<settlement type="city">Berlin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Rojas, Raul" sort="Rojas, Raul" uniqKey="Rojas R" first="Raúl" last="Rojas">Raúl Rojas</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Informatik, Freie Universität Berlin, Takustr. 9</s1>
<s2>14195 Berlin</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="3">Berlin</region>
<settlement type="city">Berlin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Cuevas, Erik" sort="Cuevas, Erik" uniqKey="Cuevas E" first="Erik" last="Cuevas">Erik Cuevas</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Computer Science, University of Guadalajara, Av. Revolución 1500</s1>
<s2>Guadalajara, Jalisco</s2>
<s3>MEX</s3>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>Mexique</country>
<wicri:noRegion>Guadalajara, Jalisco</wicri:noRegion>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">INIST</idno>
<idno type="inist">10-0333641</idno>
<date when="2010">2010</date>
<idno type="stanalyst">PASCAL 10-0333641 INIST</idno>
<idno type="RBID">Pascal:10-0333641</idno>
<idno type="wicri:Area/PascalFrancis/Corpus">000177</idno>
<idno type="wicri:Area/PascalFrancis/Curation">000600</idno>
<idno type="wicri:Area/PascalFrancis/Checkpoint">000136</idno>
<idno type="wicri:doubleKey">0031-3203:2010:Ramirez Ortegon M:transition:thresholds:and</idno>
<idno type="wicri:Area/Main/Merge">000767</idno>
<idno type="wicri:Area/Main/Curation">000762</idno>
<idno type="wicri:Area/Main/Exploration">000762</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Transition thresholds and transition operators for binarization and edge detection</title>
<author><name sortKey="Ramirez Ortegon, Marte A" sort="Ramirez Ortegon, Marte A" uniqKey="Ramirez Ortegon M" first="Marte A." last="Ramirez-Ortegon">Marte A. Ramirez-Ortegon</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Informatik, Freie Universität Berlin, Takustr. 9</s1>
<s2>14195 Berlin</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="3">Berlin</region>
<settlement type="city">Berlin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Tapia, Ernesto" sort="Tapia, Ernesto" uniqKey="Tapia E" first="Ernesto" last="Tapia">Ernesto Tapia</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Informatik, Freie Universität Berlin, Takustr. 9</s1>
<s2>14195 Berlin</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="3">Berlin</region>
<settlement type="city">Berlin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Rojas, Raul" sort="Rojas, Raul" uniqKey="Rojas R" first="Raúl" last="Rojas">Raúl Rojas</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Institut für Informatik, Freie Universität Berlin, Takustr. 9</s1>
<s2>14195 Berlin</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="3">Berlin</region>
<settlement type="city">Berlin</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Cuevas, Erik" sort="Cuevas, Erik" uniqKey="Cuevas E" first="Erik" last="Cuevas">Erik Cuevas</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Computer Science, University of Guadalajara, Av. Revolución 1500</s1>
<s2>Guadalajara, Jalisco</s2>
<s3>MEX</s3>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>Mexique</country>
<wicri:noRegion>Guadalajara, Jalisco</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Pattern recognition</title>
<title level="j" type="abbreviated">Pattern recogn.</title>
<idno type="ISSN">0031-3203</idno>
<imprint><date when="2010">2010</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Pattern recognition</title>
<title level="j" type="abbreviated">Pattern recogn.</title>
<idno type="ISSN">0031-3203</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algorithm</term>
<term>Binary image</term>
<term>Edge detection</term>
<term>Histogram</term>
<term>Image processing</term>
<term>Optical character recognition</term>
<term>Pattern recognition</term>
<term>Performance evaluation</term>
<term>Signal classification</term>
<term>Threshold detection</term>
<term>Unsupervised classification</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Détection contour</term>
<term>Image binaire</term>
<term>Classification non supervisée</term>
<term>Détection seuil</term>
<term>Histogramme</term>
<term>Evaluation performance</term>
<term>Reconnaissance optique caractère</term>
<term>Algorithme</term>
<term>Traitement image</term>
<term>Classification signal</term>
<term>Reconnaissance forme</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The transition method for image binarization is based on the concept of t-transition pixels, a generalization of edge pixels, and t-transition sets. We introduce a novel unsupervised thresholding for unimodal histograms to estimate the transition sets. We also present dilation and incidence transition operators to refine the transition set. Afterward, we propose the simple edge transition operator for detecting edges. Our experiments show that the new approach increases the effectiveness of OCR applications outperforming several top-ranked binarization algorithms.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Mexique</li>
</country>
<region><li>Berlin</li>
</region>
<settlement><li>Berlin</li>
</settlement>
</list>
<tree><country name="Allemagne"><region name="Berlin"><name sortKey="Ramirez Ortegon, Marte A" sort="Ramirez Ortegon, Marte A" uniqKey="Ramirez Ortegon M" first="Marte A." last="Ramirez-Ortegon">Marte A. Ramirez-Ortegon</name>
</region>
<name sortKey="Rojas, Raul" sort="Rojas, Raul" uniqKey="Rojas R" first="Raúl" last="Rojas">Raúl Rojas</name>
<name sortKey="Tapia, Ernesto" sort="Tapia, Ernesto" uniqKey="Tapia E" first="Ernesto" last="Tapia">Ernesto Tapia</name>
</country>
<country name="Mexique"><noRegion><name sortKey="Cuevas, Erik" sort="Cuevas, Erik" uniqKey="Cuevas E" first="Erik" last="Cuevas">Erik Cuevas</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Ticri/CIDE/explor/OcrV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000762 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 000762 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien |wiki= Ticri/CIDE |area= OcrV1 |flux= Main |étape= Exploration |type= RBID |clé= Pascal:10-0333641 |texte= Transition thresholds and transition operators for binarization and edge detection }}
This area was generated with Dilib version V0.6.32. |