Image input/output apparatus
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United States of America Patent
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Jun 23, 1992
Issued Date -
N/A
app pub date -
May 24, 1991
filing date -
Oct 3, 1988
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Abstract
An image input/output apparatus which can reproduce an image having a large focal depth, without decreasing the resolution and luminance. The apparatus has a wide range of practical applications, and can be, easily, quickly and exactly put to practical use. The apparatus includes a mechanism for inputting a plurality of images focused on different object planes, circuitry for Fourier-transforming the images input by the inputting mechanism circuitry for weighting and adding the images Fourier-transformed by the Fourier-transforming circuitry, and circuitry for performing an inverse Fourier transform of Fourier spectrum images obtained by the weighting and adding circuitry.
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