2009
DOI: 10.1590/s1413-70542009000200033
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Calibração da técnica de moiré aplicada a perfilometria de protótipos mecânicos

Abstract: RESUMOA perfilometria é uma técnica amplamente utilizada na construção de mapas e gráficos de relevos aplicados a uma vasta área do conhecimento. Frente às necessidades de suprir a demanda da indústria e da área de desenvolvimento de protótipos quanto a técnicas não invasivas na investigação da superfície de materiais em geral, o presente trabalho buscou propor uma metodologia de calibração aplicada à técnica de moiré para investigações perfilométricas em protótipos mecânicos buscando baixos custos e flexibili… Show more

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Cited by 8 publications
(9 citation statements)
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“…Correcting deformations can be achieved through the increase in the quality of the images obtained with the cameras or through the digital correction of the deformation. Gomes et al (2009) proposed a correction of the deformation in the axis out of the plane, thus correcting the distortion in only one axis through a constant value. This calibration by a constant value in only one axis does not correct distortions completely, thus requiring the adoption of other digital techniques to correct deformations in the three axes of the image.…”
Section: Introductionmentioning
confidence: 99%
“…Correcting deformations can be achieved through the increase in the quality of the images obtained with the cameras or through the digital correction of the deformation. Gomes et al (2009) proposed a correction of the deformation in the axis out of the plane, thus correcting the distortion in only one axis through a constant value. This calibration by a constant value in only one axis does not correct distortions completely, thus requiring the adoption of other digital techniques to correct deformations in the three axes of the image.…”
Section: Introductionmentioning
confidence: 99%
“…A projeção da TM ainda foi usada para criar modelos digitais de superfície de peras (LINO, 2002), determinar a área superficial de frangos de corte (SILVA, 2007), traçar a topografia de pedaços de madeira e de galinhas (COSTA et al, 2008), analisar esforços de compressão em bambu (BERALDO et al, 2007), reconstruir a superfície de uma maçã ) e visualizar linhas de força eletromagnéticas ao redor de duas cargas paralelas (YUK et al, 2008). Além disso, GOMES et al (2009) propuseram uma metodologia de calibração aplicada à TM para investigações perfilométricas em protótipos mecânicos e ZHAO & ZHANG (2006) concluíram que a TM tem aplicação em estudos mecânicos de objetos biológicos.…”
Section: Introductionunclassified
“…This technique is notable for being a non-invasive and non-destructive method, being an alternative for soil profile studies, such as agricultural machine traffic, which can cause overloading of the soil and possible damage to the development of crops (Lino and Dal Fabbro, 2004) and (Mckenzie, 2015). This interferometric technique can be seen in applications such as the estimation of the surface area of broilers (Silva, 2007), in the measurementof the volume of macaúba fruit (Costa et al, 2016), in topography of eggs, estimating the mass of the yolk, white, bark and all the egg (Silva et al, 2011) and also in the investigations of surface profile in mechanical prototypes, seeking low costs and flexibility (Gomes et al, 2009), besides the postural analysis of humans (Fernandes et al, 2003).…”
Section: Introductionmentioning
confidence: 99%