A machine vision system for the calibration of digital thermometers
Identifieur interne : 000847 ( Main/Exploration ); précédent : 000846; suivant : 000848A machine vision system for the calibration of digital thermometers
Auteurs : Esteban Vzquez-Fernndez [Espagne, Niger] ; Angel Dacal-Nieto [Espagne] ; Higinio Gonzlez-Jorge [Espagne] ; Fernando Martn [Espagne] ; Arno Formella [Espagne] ; Victor Alvarez-Valado [Espagne]Source :
- Measurement Science and Technology [ 0957-0233 ] ; 2009.
Abstract
Automation is a key point in many industrial tasks such as calibration and metrology. In this context, machine vision has shown to be a useful tool for automation support, especially when there is no other option available. A system for the calibration of portable measurement devices has been developed. The system uses machine vision to obtain the numerical values shown by displays. A new approach based on human perception of digits, which works in parallel with other more classical classifiers, has been created. The results show the benefits of the system in terms of its usability and robustness, obtaining a success rate higher than 99 in display recognition. The system saves time and effort, and offers the possibility of scheduling calibration tasks without excessive attention by the laboratory technicians.
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DOI: 10.1088/0957-0233/20/6/065106
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Sci. Technol.</title><idno type="ISSN">0957-0233</idno><idno type="eISSN">1361-6501</idno><imprint><publisher>IOP Publishing</publisher><date type="published" when="2009">2009</date><biblScope unit="volume">20</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="1">1</biblScope><biblScope unit="page" to="7">7</biblScope><biblScope unit="production">Printed in the UK</biblScope></imprint><idno type="ISSN">0957-0233</idno></series><idno type="istex">EBF303D3EB21A4EED751C98AB5B05281A086F542</idno><idno type="DOI">10.1088/0957-0233/20/6/065106</idno><idno type="PII">S0957-0233(09)05869-X</idno><idno type="articleID">305869</idno><idno type="articleNumber">065106</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0957-0233</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Automation is a key point in many industrial tasks such as calibration and metrology. In this context, machine vision has shown to be a useful tool for automation support, especially when there is no other option available. A system for the calibration of portable measurement devices has been developed. The system uses machine vision to obtain the numerical values shown by displays. A new approach based on human perception of digits, which works in parallel with other more classical classifiers, has been created. The results show the benefits of the system in terms of its usability and robustness, obtaining a success rate higher than 99 in display recognition. The system saves time and effort, and offers the possibility of scheduling calibration tasks without excessive attention by the laboratory technicians.</div></front></TEI><affiliations><list><country><li>Espagne</li><li>Niger</li></country></list><tree><country name="Espagne"><noRegion><name sortKey="Vzquez Fernndez, Esteban" sort="Vzquez Fernndez, Esteban" uniqKey="Vzquez Fernndez E" first="Esteban" last="Vzquez-Fernndez">Esteban Vzquez-Fernndez</name></noRegion><name sortKey="Alvarez Valado, Victor" sort="Alvarez Valado, Victor" uniqKey="Alvarez Valado V" first="Victor" last="Alvarez-Valado">Victor Alvarez-Valado</name><name sortKey="Dacal Nieto, Angel" sort="Dacal Nieto, Angel" uniqKey="Dacal Nieto A" first="Angel" last="Dacal-Nieto">Angel Dacal-Nieto</name><name sortKey="Formella, Arno" sort="Formella, Arno" uniqKey="Formella A" first="Arno" last="Formella">Arno Formella</name><name sortKey="Gonzlez Jorge, Higinio" sort="Gonzlez Jorge, Higinio" uniqKey="Gonzlez Jorge H" first="Higinio" last="Gonzlez-Jorge">Higinio Gonzlez-Jorge</name><name sortKey="Martn, Fernando" sort="Martn, Fernando" uniqKey="Martn F" first="Fernando" last="Martn">Fernando Martn</name></country><country name="Niger"><noRegion><name sortKey="Vzquez Fernndez, Esteban" sort="Vzquez Fernndez, Esteban" uniqKey="Vzquez Fernndez E" first="Esteban" last="Vzquez-Fernndez">Esteban Vzquez-Fernndez</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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