Reference tone settings for monotone images
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United States of America Patent
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Mar 16, 2010
Grant Date -
Nov 2, 2006
app pub date -
Mar 17, 2006
filing date -
Mar 18, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tone setting screen that includes a tone specifying area 110 for specifying a color tone of a monotone image using a single specification point is disclosed. A monotone image tone is determined according to the position of the specification point specified in the tone specifying area 110. The tone specifying area 110 is defined on the a* b* plane in the L*a*b* color space, where three reference tone points Pneutral, Pwarm, and Pcool, for the neutral, warm, and cool tones are disposed linearly in advance in the tone specifying area 110.
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