Method for calibrating photographic image information
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United States of America Patent
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May 19, 1987
Grant Date -
N/A
app pub date -
Jan 14, 1985
filing date -
Jan 19, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a photographic image information detecting method of the type in which light transmitted from an original film is received by a two-dimensional image sensor and image information is detected with respect to the divided a plurality of picture elements of the original film, a photographic image information is calibrated by the steps of detecting information of the photographic image of a reference film with respect to the original film in use of the two-dimensional image sensor, storing the thus detected information as data for calibration, and subtracting the data for calibration from the detected data regarding the image information of the original film so as to thereby obtain accurately calibrated information regarding the photographic image of the original film.
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