Television – Image signal processing circuitry specific to television – Hue control
Reexamination Certificate
2004-07-26
2008-09-23
Ometz, David (Department: 2622)
Television
Image signal processing circuitry specific to television
Hue control
C348S687000, C348S673000, C348S612000, C348S253000, C382S167000, C382S274000, C358S518000
Reexamination Certificate
active
07428021
ABSTRACT:
An image processing method aims to optimally improve a brightness distribution with respect to brightness of a face being a main subject of a person image. Thus, the method consists of: a brightness component extraction step of extracting a brightness component from image data; a low-frequency brightness component extraction step of extracting a low-frequency component signal of the brightness component as a low-frequency brightness component; a color adjustment step of performing color adjustment to the image data by using the brightness component and the low-frequency brightness component; a first parameter determination step of determining a first parameter; and a second parameter determination step of determining a second parameter in accordance with a distribution of brightness component values in a second area in the image data, wherein the color adjustment step causes processing a degree of the color adjustment according to the first and second parameters.
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Désir Jean W
Ometz David
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