Image processor, image display device, and image processing method
AssigneeSeiko Epson Corporation
InventorMasashi Kanai
Life of this patent
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Abstract
An image processor that corrects an image signal supplied to an image display section, includes: a luminance component correction amount calculating section that calculates the amount of correction of a luminance component of the image signal according to visual environment only for an image signal in a predetermined luminance level range in a predetermined spatial frequency band; and a luminance component correcting section that corrects the luminance component of the image signal using the amount of correction calculated by the luminance component correction amount calculating section.
Claims20
An image processor that corrects an image signal supplied to an image display section, comprising:
- a luminance component correction amount calculating section that calculates the amount of correction of a luminance component of the image signal according to visual environment only for an image signal in a predetermined luminance level range in a predetermined spatial frequency band;
- and
- a luminance component correcting section that corrects the luminance component of the image signal using the amount of correction calculated by the luminance component correction amount calculating section.
An image processing method of correcting an image signal supplied to an image display section, comprising:
- calculating the amount of correction of a luminance component of the image signal according to visual environment only for an image signal in a predetermined luminance level range in a predetermined spatial frequency band;
- and
- correcting the luminance component of the image signal using the amount of correction calculated in the calculating of the amount of correction of the luminance component.
An image processor that corrects an image signal supplied to an image display section, comprising:
- a chroma component correction amount calculating section that calculates the amount of correction of a chrome component of the image signal according to visual environment only for an image signal in a predetermined chroma level range in a predetermined spatial frequency band;
- and
- a chroma component correcting section that corrects the chroma component of the image signal using the amount of correction calculated by the chroma component correction amount calculating section.
An image processing method of correcting an image signal supplied to an image display section, comprising:
- calculating the amount of correction of a chroma component of the image signal according to visual environment only for an image signal in a predetermined chroma level range in a predetermined spatial frequency band;
- and
- correcting the chroma component of the image signal using the amount of correction calculated in the calculating of the amount of correction of the chroma component.
Dependencies are inferred from the claim text.