Image reproducing apparatus

Details Image reproducing apparatus Image reproducing apparatus

1992-05-04

1994-07-19

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Auxiliary signal

358432, H04N 1415

Patent

active

053314271

ABSTRACT:
An image reproducing apparatus includes an input part for inputting digital signals indicating an image and for inputting supplementary digital signals, a composition part for coding the digital signals through a prescribed coding process so as to generate a matrix of blocks in which coded data described by coefficients produced through the coding process is contained, the blocks being arranged in two-dimensional coordinates depending on a level of a frequency corresponding to each of coded digital signals, a first control part for determining a first region of low-frequency blocks in which the coded data corresponding to the digital signals are substantially located within the matrix, and a second control part for placing allocation data defining a location of the first region within the matrix into a maximum-frequency block of the matrix, and for placing data corresponding to the supplementary digital signals into a second region of high-frequency blocks of the matrix.

REFERENCES:
patent: 4237484 (1980-12-01), Brown et al.
patent: 5051840 (1991-09-01), Watanabe et al.
patent: 5101438 (1992-03-01), Kanda et al.

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