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http://cio.repositorioinstitucional.mx/jspui/handle/1002/494| 360-Degrees Profilometry Using Strip-Light Projection Coupled to Fourier Phase-Demodulation | |
| MANUEL SERVIN GUIRADO JOSE MOISES PADILLA MIRANDA | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| 360 degrees (360°) digitalization of three dimensional (3D) solids using a projected light-strip is a well-established technique in academic and commercial profilometers. These profilometers project a light-strip over the digitizing solid while the solid is rotated a full revolution or 360-degrees. Then, a computer program typically extracts the centroid of this light-strip, and by triangulation one obtains the shape of the solid. Here instead of using intensity-based light-strip centroid estimation, we propose to use Fourier phase-demodulation for 360° solid digitalization. The advantage of Fourier demodulation over strip-centroid estimation is that the accuracy of phase-demodulation linearly-increases with the fringe density, while in strip-light the centroid-estimation errors are independent. Here we proposed first to construct a carrier-frequency fringe-pattern by closely adding the individual light-strip images recorded while the solid is being rotated. Next, this hig | |
| 05-01-2016 | |
| Artículo | |
| CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA | |
| Aparece en las colecciones: | Articulos Arbitrados 2016 |
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| Fichero | Tamaño | Formato | |
|---|---|---|---|
| 360-degrees profilometry using strip-light.pdf | 4.47 MB | Adobe PDF | Visualizar/Abrir |