G - Physics – 03 – B
Patent
G - Physics
03
B
G03B 7/097 (2006.01) G03B 7/08 (2006.01) G03B 7/16 (2006.01)
Patent
CA 2087956
2087956 9203758 PCTABS00011 Exposure control apparatus and methods for use in a photographic camera to improve the overall quality of photographed images using automatic selection of photographic exposure parameters primarily based upon scene requirements (including providing sufficient depth-of-field and avoiding image blur) and film exposure characteristics, rather than through use of the ISO/ANSI exposure standards. Specifically, the present invention: (a) determines the initial baseline exposure settings necessary to provide typical ISO normal exposures of scenes to be photographed; (b) ascertains corresponding exposure settings (and, where appropriate, flash parameters) that actually meet the scene requirements; (c) assesses the amount of available extra system speed based on differences between the initial and corresponding exposure settings; and (d) finally, where possible, properly utilizes that extra system speed in a pre-defined prioritized incremental manner to vary the baseline exposure settings (and, where appropriate, flash parameters) in order to provide an exposure of the scene that produces the desired level of image quality.
O'such William Richard
Wheeler Richard Bruce
Wilson Roger William
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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