Image display control apparatus and image display control method
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorDaisaku Kitagawa
Life of this patent
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Abstract
An image display control apparatus 103 having a small-size circuit includes: an image state detection unit 120 for detecting a state of an image based on an image signal using a resource subunit 610 in a resource unit 132; an image signal transformation unit 140 for transforming the image signal, using the resource subunit 610 in the resource unit 132, based on the state of the image detected by the image state detection unit 120; and a resource control unit 131 for assigning the resource subunit 610 in the resource unit 132 to each of the image state detection unit 120 and the image signal transformation unit 140 according to a count number of cycles of an operation clock outputted from a clock unit 135.
Claims13
An image display control apparatus that controls light transmittance of liquid crystals of a liquid crystal display screen for displaying an image based on an inputted image signal and controls, according to the light transmittance of the liquid crystals, an amount of light emitted by a backlight unit for illuminating a back of the liquid crystal display screen based on the image signal, the image display control apparatus comprising:
- an image state detection unit operable to detect a state of the image based on the image signal;
- an image signal transformation unit operable to transform the image signal by performing predetermined signal processing on said image signal based on the state of the image detected by the image state detection unit, and control the light transmittance of the liquid crystals based on the transformed image signal;
- and
- a resource control unit operable to assign an arithmetic operation resource for performing an arithmetic operation exclusively to the image state detection unit and the image signal transformation unit respectively at predetermined timings,
- wherein the image state detection unit detects the state of the image using the assigned arithmetic operation resource, and
- the image signal transformation unit transforms the image signal using the assigned arithmetic operation resource.
An image display control method executed by an image display control apparatus that controls light transmittance of liquid crystals of a liquid crystal display screen for displaying an image based on an inputted image signal and controls, according to the light transmittance of the liquid crystals, an amount of light emitted by a backlight unit for illuminating a back of the liquid crystal display screen based on the image signal, the image display control method comprising:
- an image state detection step of detecting a state of the image based on the image signal;
- an image signal transformation step of transforming the image signal by performing predetermined signal processing on said image signal based on the state of the image detected in the image state detection step, and controlling the light transmittance of the liquid crystals based on the transformed image signal;
- and
- a resource control step of assigning an arithmetic operation resource for performing an arithmetic operation exclusively to an image state detection unit operable to execute the image state detection step and an image signal transformation unit operable to execute the image signal transformation step respectively at predetermined timings,
- wherein in the image state detection step, the image state detection unit detects the state of the image using the assigned arithmetic operation resource, and
- in the image signal transformation step, the image signal transformation unit transforms the image signal using the assigned arithmetic operation resource.
A program executed by an image display control apparatus that controls light transmittance of liquid crystals of a liquid crystal display screen for displaying an image based on an inputted image signal and controls, according to the light transmittance of the liquid crystals, an amount of light emitted by a backlight unit for illuminating a back of the liquid crystal display screen based on the image signal, the program comprising:
- an image state detection step of detecting a state of the image based on the image signal;
- an image signal transformation step of transforming the image signal by performing predetermined signal processing on said image signal based on the state of the image detected in the image state detection step, and controlling the light transmittance of the liquid crystals based on the transformed image signal;
- and
- a resource control step of assigning an arithmetic operation resource for performing an arithmetic operation exclusively to an image state detection unit operable to execute the image state detection step and an image signal transformation unit operable to execute the image signal transformation step respectively at predetermined timings,
- wherein in the image state detection step, the image state detection unit detects the state of the image using the assigned arithmetic operation resource, and
- in the image signal transformation step, the image signal transformation unit transforms the image signal using the assigned arithmetic operation resource.
An image display apparatus comprising:
- a liquid crystal display screen operable to display an image;
- a backlight unit operable to illuminate a back of the liquid crystal display screen;
- and
- an image display control apparatus that controls light transmittance of liquid crystals of the liquid crystal display screen based on an inputted image signal and controls, according to the light transmittance of the liquid crystals, an amount of light emitted by the backlight unit based on the image signal,
- wherein the image display control apparatus includes:
- an image state detection unit operable to detect a state of the image based on the image signal;
- an image signal transformation unit operable to transform the image signal by performing predetermined signal processing on said image signal based on the state of the image detected by the image state detection unit, and control the light transmittance of the liquid crystals based on the transformed image signal;
- and
- a resource control unit operable to assign an arithmetic operation resource for performing an arithmetic operation exclusively to the image state detection unit and the image signal transformation unit respectively at predetermined timings,
- wherein the image state detection unit detects the state of the image using the assigned arithmetic operation resource, and
- the image signal transformation unit transforms the image signal using the assigned arithmetic operation resource.
Dependencies are inferred from the claim text.