Method and apparatus for enhancing data

Details Method and apparatus for enhancing data Method and apparatus for enhancing data

1975-02-03

1976-10-26

Wise, Edward J.

Registers

Transfer mechanism

Traveling pawl

178DIG5, 178DIG28, 2351513, G06F 738, H04N 702

Patent

active

039886026

ABSTRACT:
A technique and apparatus for enhancing the data upon a film transparency is presented. The density characteristics of the object film are digitized and shifted to exponentially increase the magnitude and significance of the digitized data. This amplified data is then utilized for producing a second film transparency having increased contrast in accordance with the amplification of the original data. There is also provided means for offsetting the digitized data with respect to a fixed reference such that features of interest may be separated from their background before the final recording of the enhanced film.

REFERENCES:
patent: 3503689 (1970-03-01), Miller et al.
patent: 3535443 (1970-10-01), Rieke
patent: 3582651 (1971-06-01), Siedband
patent: 3614311 (1971-10-01), Fujiyasu et al.
patent: 3813545 (1974-05-01), Barnhart et al.
patent: 3869602 (1975-03-01), Sezaki et al.

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