Color dependent optical prefilter for the suppression of aliasing artifacts

John E. Greivenkamp

doi:10.1364/AO.29.000676

Color dependent optical prefilter for the suppression of aliasing artifacts

John E. Greivenkamp

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Optical prefilters, which make use of the double-refraction effect in crystalline quartz, reduce the amount of aliasing artifacts in the displayed image of a video system. This paper describes a new class of optical prefilterthat produces different amounts of blur for different colors. The chromatic variation is obtained by placing apolarization retarder between two quartz crystals. This type of filter is useful with sensors that have unequalpixel densities in the three sensed colors.

Original language	English (US)
Pages (from-to)	676-684
Number of pages	9
Journal	Applied optics
Volume	29
Issue number	5
DOIs	https://doi.org/10.1364/AO.29.000676
State	Published - Feb 10 1990
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.29.000676

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title = "Color dependent optical prefilter for the suppression of aliasing artifacts",

abstract = "Optical prefilters, which make use of the double-refraction effect in crystalline quartz, reduce the amount of aliasing artifacts in the displayed image of a video system. This paper describes a new class of optical prefilterthat produces different amounts of blur for different colors. The chromatic variation is obtained by placing apolarization retarder between two quartz crystals. This type of filter is useful with sensors that have unequalpixel densities in the three sensed colors.",

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AB - Optical prefilters, which make use of the double-refraction effect in crystalline quartz, reduce the amount of aliasing artifacts in the displayed image of a video system. This paper describes a new class of optical prefilterthat produces different amounts of blur for different colors. The chromatic variation is obtained by placing apolarization retarder between two quartz crystals. This type of filter is useful with sensors that have unequalpixel densities in the three sensed colors.

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Color dependent optical prefilter for the suppression of aliasing artifacts

Abstract

ASJC Scopus subject areas

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