Image movement processing for page planning

Details Image movement processing for page planning Image movement processing for page planning

1988-01-05

1990-05-08

Harkcom, Gary V.

Boots, shoes, and leggings

36441316, 36441322, 364518, G01R 3320

Patent

active

049243888

ABSTRACT:
Apparatus for modifying part of an image represented digitally in the frequency domain comprises a first memory for storing a representation of the image digitally in the frequency domain as at least one first block of data locations containing frequency coefficient data. A second memory is provided for storing a representation of the image part in the frequency domain by second blocks of data locations containing frequency coefficient data, the first and second blocks representing, after conversion to the spatial domain, spatially shifted versions of the image part relative to a fixed spatial co-ordinate system. A suitably programmed computer applies a predetermined shift function defined in the frequency domain to the (or each) first block of data stored in the first memory to generate the (or each) second block, and stores the resultant second blocks of data in the second memory.

REFERENCES:
patent: 4288816 (1981-09-01), Kashioka et al.
patent: 4581582 (1986-04-01), Redington
patent: 4716368 (1987-12-01), Haacke
patent: 4812983 (1989-03-01), Gullberg et al.
"Unifying VLSI Array Designs with Geometric Transformations", Peter R. Cappello et al, 1983 IEEE.

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