Image convertion method

Details Image convertion method Image convertion method

1994-03-16

1995-09-26

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358445, 358447, 382254, 382298, H04N 140

Patent

active

054538467

ABSTRACT:
An image conversion method using an algorithm for scaling rasterized images in both the horizontal and vertical direction. Non-integer remainders of multiplication functions are incorporated into the conversion process to provide highly accurate conversion results. The process provides expansion or contraction of the image in a best fit mode in order to provide the ideal amount of scaling to coincide with the physical requirements of the output device. In addition, conversion with maintenance of the aspect ratio of the original image can be effected with highly accurate image reproduction results.

REFERENCES:
patent: 4651223 (1987-03-01), Sasaki et al.
patent: 5068905 (1991-11-01), Hackett et al.
patent: 5089893 (1992-02-01), Iwase
patent: 5299029 (1994-03-01), Moriya et al.

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