Patent ID: 6262812
Filing Date: 2001-07-17
Classification: G06K,G06T,H04N

Abstract:
An image value processing device, that processes an image containing a plurality of image components, each image component having an image component type and at least one image value, the image containing a plurality of different image component types, comprising:an image value converter that converts input image values in a first color space into values in a perceptually uniform color space;an adjuster that adjusts the perceptually uniform color space values of each one of the plurality of image components in accordance with the image component type of that image component and user-defined control values;an adjusted color space value converter that converts the adjusted perceptually uniform color space values to values in a second color space; anda controller that controls the operation of the image value converter, the adjuster and the adjusted color space value converter, and that inputs user-defined control values for at least two image component types.