Making operations with superimposed black-and- white and color transparencies: Does quasi-moire pattern observation suggest two forms to correlate retinal visual signals?

Mario Garavaglia; Pablo F. Meilan

doi:10.1117/12.437169

14 August 2001 Making operations with superimposed black-and- white and color transparencies: Does quasi-moire pattern observation suggest two forms to correlate retinal visual signals?

Mario Garavaglia, Pablo F. Meilan

Author Affiliations +

Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437169
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina

Abstract

This paper deals with the visual observation of quasi-moire patterns or glass patterns generated when an original black and white 2D transparency is superposed onto a copy of itself, and coplanarly rotated. Patterns are also observed if one of the transparency is the scaled-up or -down replica of the original one. Also, patterns are observed if different scaling factors are applied in different directions. Besides, the quasi-moire patterns are observed when one of the transparencies is skewed. Circular, elliptic, parabolic, hyperbolic, radial lines, and logarithmic spirals quasi-more patterns are observed. Also quasi-moire patterns observation is extended to color regions. Finally, the observation of black and white, and false color or gray contrasted quasi-moire patterns could suggest two forms to correlate retinal visual signals.

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Mario Garavaglia and Pablo F. Meilan "Making operations with superimposed black-and- white and color transparencies: Does quasi-moire pattern observation suggest two forms to correlate retinal visual signals?", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); https://doi.org/10.1117/12.437169

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KEYWORDS

Moire patterns

Transparency

Visualization

Glasses

Superposition

Photography

Lanthanum

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