Image-quality adjusting apparatus, image-quality adjusting method, and display apparatus
AssigneePioneer Corporation
InventorsKenji Okumichi, Hirofumi Kawaguchi
Life of this patent
Estimating the term…
Abstract
A sharpness adjusting apparatus (20) detects the level of noise included in a video signal, for each of a plurality of frequency bands, and sets and changes a sharpness intensity value in accordance with the detected noise level, for each of the plurality of frequency bands. Then, the sharpness adjusting apparatus (20) adjusts the sharpness of a video image, in accordance with the sharpness intensity value, for each of the plurality of frequency bands.
Claims13
An image-quality adjusting apparatus for adjusting image quality of a video image corresponding to a video signal by performing signal processing for the video signal, said image-quality adjusting apparatus comprising:
- a noise-level detecting device for detecting a level of noise included in the video signal;
- an adjustment-value changing device for changing an image-quality adjustment value, in accordance with the noise level detected by said noise-level detecting device;
- and
- an image-quality adjusting device for adjusting the image quality of the video image, in accordance with the image-quality adjustment value changed by said adjustment-value changing device.
An image-quality adjusting method of adjusting image quality of a video image corresponding to a video signal by performing signal processing for the video signal, said image-quality adjusting method comprising:
- a noise-level detecting process of detecting a level of noise included in the video signal;
- an adjustment-value changing process of changing an image-quality adjustment value, in accordance with the noise level detected in said noise-level detecting process;
- and
- an image-quality adjusting process of adjusting the image quality of the video image, in accordance with the image-quality adjustment value changed in said adjustment-value changing process.
A display apparatus comprising an image-quality adjusting apparatus for adjusting image quality of a video image corresponding to a video signal by performing signal processing for the video signal, said image-quality adjusting apparatus comprising:
- a noise-level detecting device for detecting a level of noise included in the video signal;
- an adjustment-value changing device for changing an image-quality adjustment value, in accordance with the noise level detected by said noise-level detecting device;
- and
- an image-quality adjusting device for adjusting the image quality of the video image, in accordance with the image-quality adjustment value changed by said adjustment-value changing device.
A computer program product in a computer-readable medium for tangibly embodying a program of instructions executable by a computer, to make the computer function as an image-quality adjusting apparatus for adjusting image quality of a video image corresponding to a video signal by performing signal processing for the video signal, said image-quality adjusting apparatus comprising:
- a noise-level detecting device for detecting a level of noise included in the video signal;
- an adjustment-value changing device for changing an image-quality adjustment value, in accordance with the noise level detected by said noise-level detecting device;
- and
- an image-quality adjusting device for adjusting the image quality of the video image, in accordance with the image-quality adjustment value changed by said adjustment-value changing device.
Dependencies are inferred from the claim text.