Mr. Raphael L. Levien Profile

Raphael L. Levien

at Artofcode LLC

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Author

Publications (4)

Proceedings Article | 18 December 2003 Paper

Resolution-dependence of perceived contrast of textures

Raphael Levien

Proceedings Volume 5293, (2003) https://doi.org/10.1117/12.538846

KEYWORDS: Contrast sensitivity, Image resolution, Eye, Printing, Visualization, Visual process modeling, Visual system, Spatial frequencies, Image quality, Halftones

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Proceedings Article | 13 January 2003 Paper

Practical issues in color inkjet halftoning

Raphael Levien

Proceedings Volume 5008, (2003) https://doi.org/10.1117/12.476325

KEYWORDS: Diffusion, Modulation, Quantization, Inkjet technology, Halftones, Printing, Raster graphics, Spatial frequencies, Distance measurement, Color imaging

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Proceedings Article | 21 December 1999 Paper

Moire suppression screening

Raphael Levien

Proceedings Volume 3963, (1999) https://doi.org/10.1117/12.373421

KEYWORDS: Moire patterns, Halftones, Stochastic processes, Spatial frequencies, Printing, Signal generators, Electronic filtering, Signal attenuation, Image analysis, Image filtering

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Proceedings Article | 18 June 1993 Paper

Highly sensitive register mark based on moire patterns

Raphael Levien

Proceedings Volume 1912, (1993) https://doi.org/10.1117/12.146280

KEYWORDS: Imaging systems, Prisms, Mirrors, Reflection, Optical components, Distortion, Light sources, Manufacturing, Moire patterns

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