Hologram decoding apparatus, hologram decoding method and...

Details Hologram decoding apparatus, hologram decoding method and... Hologram decoding apparatus, hologram decoding method and...

2011-07-19

2011-07-19

Font, Frank G (Department: 2872)

Optical: systems and elements

Holographic system or element

Fourier transform holography

C359S010000

Reexamination Certificate

active

07982932

ABSTRACT:
A hologram decoding apparatus includes: an imaging device that receives a reproduced image obtained by reading an encoded image from a hologram recording medium in which a Fourier transform image of the encoded image with n pixels representing digital information is recorded, n being an integer of 2 or more, and that outputs the reproduced image with k resolution pixel numbers, k being an integer more than n; a storing unit that stores decoding patterns and digital information corresponding to the decoding patterns, wherein a decoding pattern from among the decoding patterns corresponds to the reproduced image, which is encoded with m pixels of k≧m>n; and a decoding unit that refers to the decoding patterns to specify the decoding pattern; and that carries out a decoding process to set the digital information corresponding to the specified decoding pattern as digital information of the reproduced image.

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