Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors

The automobile lateral-view mirrors are the most important visual support for driver safety; therefore, it is important they have robust quality control. Typically, the distortion of a lateral-view mirror is measured using the JIS-D-5705 standard; however, this methodology requires an expert person...

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Main Authors: Carlos Paredes-Orta, Luis M. Valentin-Coronado, Arturo Díaz-Ponce, Juvenal Rodríguez-Reséndiz, Jorge Domingo Mendiola-Santibañez
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/13/3/401
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author Carlos Paredes-Orta
Luis M. Valentin-Coronado
Arturo Díaz-Ponce
Juvenal Rodríguez-Reséndiz
Jorge Domingo Mendiola-Santibañez
author_facet Carlos Paredes-Orta
Luis M. Valentin-Coronado
Arturo Díaz-Ponce
Juvenal Rodríguez-Reséndiz
Jorge Domingo Mendiola-Santibañez
author_sort Carlos Paredes-Orta
collection DOAJ
description The automobile lateral-view mirrors are the most important visual support for driver safety; therefore, it is important they have robust quality control. Typically, the distortion of a lateral-view mirror is measured using the JIS-D-5705 standard; however, this methodology requires an expert person to perform the measurements and calculations manually, which can induce measurement errors. In this work, a semi-automatic distortion calculation method based on image processing is presented. Distortion calculations of five commercial mirrors from different manufacturers were performed, and a comparative study was carried out between the JIS-D-5705 standard and the proposed method. Experimental results performed according to the JIS-D-5705 standard showed that all mirrors have a distortion lower than 5%, indicating that all meet the standard. On the other hand, the proposed method was able to detect that one of the mirrors presented an important distortion, which was not detected by the methodology proposed in the standard; therefore, that mirror should not meet the standard. Then, it was possible to conclude that the proposed distortion calculation method, based on image processing, has higher robustness and precision than the standard. In addition, an appropriate and effective behavior against changes in scale, resolution, and, unlike the standard, against changes in image rotation was also shown.
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spelling doaj.art-acc64917b6bf446ab655e5a6a8a345942023-11-30T21:33:39ZengMDPI AGMicromachines2072-666X2022-02-0113340110.3390/mi13030401Distortion Calculation Method Based on Image Processing for Automobile Lateral MirrorsCarlos Paredes-Orta0Luis M. Valentin-Coronado1Arturo Díaz-Ponce2Juvenal Rodríguez-Reséndiz3Jorge Domingo Mendiola-Santibañez4CONACYT—Centro de Investigaciones en Optica, Unidad Aguascalientes, Prol. Constitución 607, Reserva Loma Bonita, Aguascalientes 20200, MexicoCONACYT—Centro de Investigaciones en Optica, Unidad Aguascalientes, Prol. Constitución 607, Reserva Loma Bonita, Aguascalientes 20200, MexicoCONACYT—Centro de Investigaciones en Optica, Unidad Aguascalientes, Prol. Constitución 607, Reserva Loma Bonita, Aguascalientes 20200, MexicoFacultad de Ingeniería, Universidad Autónoma de Querétaro, Santiago de Querétaro 76010, MexicoFacultad de Ingeniería, Universidad Autónoma de Querétaro, Santiago de Querétaro 76010, MexicoThe automobile lateral-view mirrors are the most important visual support for driver safety; therefore, it is important they have robust quality control. Typically, the distortion of a lateral-view mirror is measured using the JIS-D-5705 standard; however, this methodology requires an expert person to perform the measurements and calculations manually, which can induce measurement errors. In this work, a semi-automatic distortion calculation method based on image processing is presented. Distortion calculations of five commercial mirrors from different manufacturers were performed, and a comparative study was carried out between the JIS-D-5705 standard and the proposed method. Experimental results performed according to the JIS-D-5705 standard showed that all mirrors have a distortion lower than 5%, indicating that all meet the standard. On the other hand, the proposed method was able to detect that one of the mirrors presented an important distortion, which was not detected by the methodology proposed in the standard; therefore, that mirror should not meet the standard. Then, it was possible to conclude that the proposed distortion calculation method, based on image processing, has higher robustness and precision than the standard. In addition, an appropriate and effective behavior against changes in scale, resolution, and, unlike the standard, against changes in image rotation was also shown.https://www.mdpi.com/2072-666X/13/3/401mixed techniquesmechatronicsconvex mirrorscircularitydistortion factorshape analysis
spellingShingle Carlos Paredes-Orta
Luis M. Valentin-Coronado
Arturo Díaz-Ponce
Juvenal Rodríguez-Reséndiz
Jorge Domingo Mendiola-Santibañez
Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors
Micromachines
mixed techniques
mechatronics
convex mirrors
circularity
distortion factor
shape analysis
title Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors
title_full Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors
title_fullStr Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors
title_full_unstemmed Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors
title_short Distortion Calculation Method Based on Image Processing for Automobile Lateral Mirrors
title_sort distortion calculation method based on image processing for automobile lateral mirrors
topic mixed techniques
mechatronics
convex mirrors
circularity
distortion factor
shape analysis
url https://www.mdpi.com/2072-666X/13/3/401
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AT juvenalrodriguezresendiz distortioncalculationmethodbasedonimageprocessingforautomobilelateralmirrors
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