Patent ID: 11887549
Assignee: LX SEMICON CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 4:
5. The color gamut mapping method of claim 1, wherein:
the selecting, by the hue axis selection unit, of the hue axes includes selecting and outputting a first hue axis and a second hue axis which are assigned to a corresponding control area in which the calculated hue angle is located among 24 hue axes; and
the calculating, by the parameter calculator, of the parameters includes,
in the corresponding control area, calculating a first saturation gain, a second saturation gain, a third saturation gain, and a fourth saturation gain respectively corresponding to a first saturation control area, a second saturation control area, a third saturation control area, and a fourth saturation control area which are divided by a first saturation control point, a second saturation control point, and a third saturation control point having different saturation values, and
in the corresponding control area, calculating a first hue gain and a second hue gain respectively corresponding to a first hue control area and a second hue control area which are divided by a saturation value of a hue control point.