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Details van artikel 8 van 12 gevonden artikelen
| Titel: |
Technology and the Machine for Rasterized Facsimile Engaving of Art Images on Minerals |
| Auteur: |
Mikov I. N. Morozov V. I. |
| Verschenen in: |
Acta Montanistica Slovaka |
| Paginering: | Jaargang 10 (2005) nr. 1 pagina's 48-51 |
| Jaar: |
2005 |
| Inhoud: |
Facsimile copying of images on polished mineral surfaces can be performed by rastration (dithering). when the original halftone image is replaced by the microstroke image. Different halftones are reproduced by pulse modulation of 2-dimensional signal without loss in the visual perception due to the Nyquist theorem. Technological process of rasterised facsimile engraving provides the integral optical density on the length of raster element step. such that it is approximately equivalent to the optical density of the original on the same length. In the facsimile engraving, the destruction of mineral is considered in "small deviations". Theoretical analysis of the process results in the transfer function of required energy of chisel from the depth of penetration into mineral. Analysis of work in "small deviations" results in the formulation of three technological stages of transfer function, which allow to separate the deformation and destruction of compression kernel into the primary and the secondary with a minimal effect of additional chip. |
| Uitgever: |
Technical University of Kosice, the Faculty of Mining, Ecolo |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 8 van 12 gevonden artikelen
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