Binarization of apodizers by adapted one-dimensional error diffusion method

Marek Kowalczyk; Tomasz Cichocki; Manuel Martinez-Corral; Pedro Andres

doi:10.1117/12.190236

12 October 1994 Binarization of apodizers by adapted one-dimensional error diffusion method

Marek Kowalczyk, Tomasz Cichocki, Manuel Martinez-Corral, Pedro Andres

Proceedings Volume 2169, Nonconventional Optical Imaging Elements; (1994) https://doi.org/10.1117/12.190236
Event: International Colloquium on Nonconventional Optical Imaging Elements, 1993, Rydzyna-Rokosowo, Poland

Abstract

Two novel algorithms for the binarization of continuous rotationally symmetric real positive pupil filters are presented. Both algorithms are based on 1-D error diffusion concept. The original gray-tone apodizer is substituted by a set of transparent and opaque concentric annular zones. Depending on the algorithm the resulting binary mask consists of either equal width or equal area zones. The diffractive behavior of binary filters is evaluated. It is shown that the pupils with equal width zones give Fraunhofer diffraction pattern more similar to that of the original continuous-tone pupil than those with equal area zones, assuming in both cases the same resolution limit of printing device.

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Marek Kowalczyk, Tomasz Cichocki, Manuel Martinez-Corral, and Pedro Andres "Binarization of apodizers by adapted one-dimensional error diffusion method", Proc. SPIE 2169, Nonconventional Optical Imaging Elements, (12 October 1994); https://doi.org/10.1117/12.190236

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KEYWORDS

Signal to noise ratio

Binary data

Transmittance

Diffusion

Diffraction

Error analysis

Printing

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