2013
DOI: 10.1007/s00170-013-5276-3
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Deformation measurement of circular steel plates using projected fringes

Abstract: Fringe projection is a versatile method for mapping the surface topography. In this paper, it is used to measure the deformation of steel plates under static penetration. Here, the surface shape changes continuously. Therefore, it is important to minimize the registration time. To achieve this, we apply a method of fringe location with subpixel accuracy that requires only a single exposure for each registration. This is in contrast to phase shifting techniques that require at least three separate exposures.

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Cited by 7 publications
(4 citation statements)
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“…Projected fringes are a full-field method for mapping the topography of surfaces [1][2][3][4][5][6][7][8][9][10][11][12][13]. It consists of imaging the fringes projected onto the surface with subsequent processing of the fringe data.…”
Section: Introductionmentioning
confidence: 99%
“…Projected fringes are a full-field method for mapping the topography of surfaces [1][2][3][4][5][6][7][8][9][10][11][12][13]. It consists of imaging the fringes projected onto the surface with subsequent processing of the fringe data.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, in order to ensure the higher speed, load capacity, and smoothness of high-speed rail transportation, together with the safety and stability of the railway, some more strict requirements must be fulfilled. The material [ 1 , 2 ], welding [ 3 , 4 ], heat treatment technology, [ 5 ] and forming [ 6 ] of railway rails are put forward under more strict requirements.…”
Section: Introductionmentioning
confidence: 99%
“…At present, a lot of optical methods and vision systems have been developed [2][3][4][5][6]. Among the 3D shape acquisition methods, the stereo vision method has been extensively developed during the last few decades, and a very wellinvestigated group of algorithms employs multiple cameras in order to obtain depth from matching corresponding features.…”
Section: Introductionmentioning
confidence: 99%
“…Instead of scanning the surface, a single or multiple coded patterns are projected onto the object, and correspondence relationship between camera images can be established accurately according to the decoded patterns. Among the coding tragedies, phase measurement profilometry (PMP) using sinusoidal fringe patterns is credited with high spatial resolution measurement capability, and it is very popular in surface geometric dimension quality evaluation [4][5][6]. This method needs fewer images than those required in laser scanning systems and its measuring time can be reduced to several seconds.…”
Section: Introductionmentioning
confidence: 99%