Video processing apparatus and method for processing video signal
AssigneeKabushiki Kaisha Toshiba
InventorTakashi Suzuki
Life of this patent
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Abstract
A video processing apparatus includes: a video processor that detects a video type based on an inter-frame difference of a video signal; an automatic image quality adjustment unit that determines an image quality adjusting set value based on the video type detected by the video processor; and an image quality processing unit that performs an image quality adjustment on the video signal based on the image quality adjusting set value, the image quality adjustment including at least one of processes selected from a group of: a brightness enhancement control; an RGB gain control for setting a color temperature; a brightness control; a color enhancement control; a color gain and color tone control; and a nonlinear contrast control.
Claims9
A video processing apparatus comprising:
- a video processor that detects a video type based on an inter-frame difference of a video signal;
- an automatic image quality adjustment unit that determines an image quality adjusting set value based on the video type detected by the video processor;
- and
- an image quality processing unit that performs an image quality adjustment on the video signal based on the image quality adjusting set value, the image quality adjustment including at least one of processes selected from a group of:
- a brightness enhancement control;
- an RGB gain control for setting a color temperature;
- a brightness control;
- a color enhancement control;
- a color gain and color tone control;
- and a nonlinear contrast control.
A video processing apparatus comprising:
- a video processor that detects a video type based on an inter-frame difference of a video signal;
- an automatic image quality adjustment unit that determines an image quality adjusting set value based on the video type detected by the video processor;
- an image quality processing unit that performs an image quality adjustment on the video signal based on the image quality adjusting set value, the image quality adjustment including at least one of processes selected from a group of:
- a brightness enhancement control;
- an RGB gain control for setting a color temperature;
- a brightness control;
- a color enhancement control;
- a color gain and color tone control;
- and a nonlinear contrast control;
- and
- a display device that is provided with a backlight and displays video image in accordance with the video signal being applied with the image quality adjustment,
- wherein the image quality processing unit controls the backlight of the display device based on the image quality adjusting set value.
A method for processing video signal, the method comprising:
- detecting a video type based on an inter-frame difference of a video signal;
- determining an image quality adjusting set value based on the detected video type;
- performing an image quality adjustment on the video signal based on the image quality adjusting set value, the image quality adjustment including at least one of processes selected from a group of:
- a brightness enhancement control;
- an RGB gain control for setting a color temperature;
- a brightness control;
- a color enhancement control;
- a color gain and color tone control;
- and a nonlinear contrast control;
- displaying, by a display device that is provided with a backlight, video image in accordance with the video signal being applied with the image quality adjustment;
- and
- controlling the backlight of the display device based on the image quality adjusting set value.
Dependencies are inferred from the claim text.