Digital video window control

Details Digital video window control Digital video window control

1976-07-06

1978-03-14

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358166, 358180, H04N 514

Patent

active

040794172

ABSTRACT:
A digital signal processor is connected between a refresh memory at the output of the digital computer in an x-ray tomography system and the digital-to-analog converter of a cathode ray tube display to provide a limited resolution gray scale display of a selected portion from an image signal having wide dynamic range.

REFERENCES:
patent: 3920889 (1975-11-01), Connor
patent: 3969571 (1976-07-01), Fenyo
H. G. Andrew, Image Processing by Digital Computer, I.E.E.E. Spectrum 7-72, pp. 20-32.
Y. M. Ting, Fingerprint Image Enchancement System, I.B.M. Technical Disclosure Bulletin, vol. 16, No. 8, 1-74.

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