Electronic Interface With Vignetting Effect Reduction for a Nikon 6B/6D Autocollimator
In this paper, we present an electronic interface created for the Nikon 6B/6D visual autocollimator that allows for an increase in the final resolution of measurements and a reduction in the vignetting and distortion effects produced by this optical instrument's lenses. The electronic interface...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2015-12, Vol.64 (12), p.3500-3509 |
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| container_title | IEEE transactions on instrumentation and measurement |
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| creator | Bergues, Guillermo J. Canali, Luis Schurrer, Clemar Flesia, Ana Georgina |
| description | In this paper, we present an electronic interface created for the Nikon 6B/6D visual autocollimator that allows for an increase in the final resolution of measurements and a reduction in the vignetting and distortion effects produced by this optical instrument's lenses. The electronic interface consists of a Basler ACE high-definition camera and its positioning devices and a computer with a subpixel digital image processing package. The latter includes two main procedures: one for scale calibration and the other for determining the position of crosshair lines. Both procedures work at subpixel level. The feasibility of the measurement method was verified. The resolution obtained for the measurement of angular displacements is about 0.019 s of arc, 25 times better than the one registered by the original visual system. Its overall performance was compared against an electronic level with internationally traceable certification. |
| doi_str_mv | 10.1109/TIM.2015.2444263 |
| format | Article |
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The electronic interface consists of a Basler ACE high-definition camera and its positioning devices and a computer with a subpixel digital image processing package. The latter includes two main procedures: one for scale calibration and the other for determining the position of crosshair lines. Both procedures work at subpixel level. The feasibility of the measurement method was verified. The resolution obtained for the measurement of angular displacements is about 0.019 s of arc, 25 times better than the one registered by the original visual system. 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(IEEE) Dec 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-78dd834db5f8521f9c4ce334befa189f5bd0d044897a59bd3c2b6e6aec6aa72d3</citedby><cites>FETCH-LOGICAL-c291t-78dd834db5f8521f9c4ce334befa189f5bd0d044897a59bd3c2b6e6aec6aa72d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7163336$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7163336$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Bergues, Guillermo J.</creatorcontrib><creatorcontrib>Canali, Luis</creatorcontrib><creatorcontrib>Schurrer, Clemar</creatorcontrib><creatorcontrib>Flesia, Ana Georgina</creatorcontrib><title>Electronic Interface With Vignetting Effect Reduction for a Nikon 6B/6D Autocollimator</title><title>IEEE transactions on instrumentation and measurement</title><addtitle>TIM</addtitle><description>In this paper, we present an electronic interface created for the Nikon 6B/6D visual autocollimator that allows for an increase in the final resolution of measurements and a reduction in the vignetting and distortion effects produced by this optical instrument's lenses. The electronic interface consists of a Basler ACE high-definition camera and its positioning devices and a computer with a subpixel digital image processing package. The latter includes two main procedures: one for scale calibration and the other for determining the position of crosshair lines. Both procedures work at subpixel level. The feasibility of the measurement method was verified. The resolution obtained for the measurement of angular displacements is about 0.019 s of arc, 25 times better than the one registered by the original visual system. Its overall performance was compared against an electronic level with internationally traceable certification.</description><subject>Algorithm design and analysis</subject><subject>Autocollimator</subject><subject>Collimators</subject><subject>Hough transform</subject><subject>Image edge detection</subject><subject>subpixel line detection</subject><subject>Transforms</subject><subject>Uncertainty</subject><subject>vignetting effect</subject><subject>visual interface</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1LAzEQxYMoWKt3wUvA87b5zu6x1qqFqiC1HkM2H3XruqnZ9OB_b0qLzGEG5r15ww-Aa4xGGKNqvJw_jwjCfEQYY0TQEzDAnMuiEoKcggFCuCwqxsU5uOj7DUJICiYHYDVrnUkxdI2B8y656LVx8KNJn3DVrDuXUtOt4cz7rIJvzu5MakIHfYhQw5fmK8_ibizu4WSXgglt23zrFOIlOPO67d3VsQ_B-8NsOX0qFq-P8-lkURhS4VTI0tqSMltzX3KCfWWYcZSy2nmNy8rz2iKLGCsrqXlVW2pILZzQzgitJbF0CG4Pd7cx_Oxcn9Qm7GKXIxWWlBJEWa4hQAeViaHvo_NqG_Of8VdhpPb0VKan9vTUkV623BwsjXPuXy5xXlFB_wD1jWsd</recordid><startdate>201512</startdate><enddate>201512</enddate><creator>Bergues, Guillermo J.</creator><creator>Canali, Luis</creator><creator>Schurrer, Clemar</creator><creator>Flesia, Ana Georgina</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithm design and analysis Autocollimator Collimators Hough transform Image edge detection subpixel line detection Transforms Uncertainty vignetting effect visual interface |
| title | Electronic Interface With Vignetting Effect Reduction for a Nikon 6B/6D Autocollimator |
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