Film scanning method
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United States of America Patent
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Sep 24, 2013
Grant Date -
Mar 31, 2011
app pub date -
Sep 26, 2010
filing date -
Sep 28, 2009
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Abstract
A film scanning method is provided. When the film is judged as a negative film, the scanning device sets the scan exposure time for the film according to the base background color of the film. The negative film is scanned for the scan exposure time, wherein, the film passes through the scanning device at one time so as to complete the above judge of the film type and scanning of the film. The film scanning method automatically completes the recognition of film type, performs accurate scanning based on the scan exposure time, expands the dynamic range and reduces noise impacts, so as to obtain a scanned image with higher accuracy.
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