Method of reading an image recorded in a photographic film tone

Details Method of reading an image recorded in a photographic film tone Method of reading an image recorded in a photographic film tone

1990-06-27

1991-10-22

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358214, 358 76, G03F 308, H04N 336

Patent

active

050600613

ABSTRACT:
A frame of photographic film is optoelectronically scanned after development to produce an electronic image which is analayzed to determine the exposure and development conditions of the film. Tone conversion signals are generated in accordance with the analyzed conditions to convert the tone characteristics of the electronic image to optimal values and thereby compensate for non-standard exposure and development. The electronic image of the entire frame, or alternatively only a part of the electronic image corresponding to an unexposed area of the frame, may be used to determine the development conditions.

REFERENCES:
patent: 3634611 (1972-01-01), Pugsley
patent: 3879750 (1975-04-01), Seckel et al.
patent: 3893166 (1975-07-01), Pugsley
patent: 4096523 (1978-06-01), Balmares-Sarabia et al.
patent: 4402015 (1983-07-01), Yamada
patent: 4467364 (1984-08-01), Konagaya
patent: 4829371 (1989-05-01), Hiramatsu et al.

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