Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith
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United States of America Patent
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May 18, 2010
Grant Date -
Sep 20, 2007
app pub date -
May 21, 2007
filing date -
Aug 22, 2002
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Abstract
A system provides an image displaying technique that provides stable high contrast even in an area having high brightness. Based on information about an average brightness level of a digital luminance signal, black-correction processing which decreases a brightness level by offsetting the brightness level to the minus side, and increase processing which increases a contrast gain within a dynamic range, are performed for an analog luminance signal or a digital luminance signal, enabling improvement in contrast even where brightness is intense.
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