Image processing method, image output apparatus, and display apparatus
First Claim
1. An image processing method for applying color conversion to an input image and outputting the image to which the color conversion is applied, the image processing having a plurality of steps, the method comprising the steps, of:
- acquiring profile information concerning display characteristics of a display apparatus including a backlight unit, a control unit configured to control a light emission amount of the backlight unit, and a display panel configured to modulate light from the backlight unit, wherein the display characteristics are changed according to the light emission amount of the backlight unit;
color converting the input image into an image in a color space of the display apparatus using the acquired profile information acquired in the acquiring step;
outputting the image subjected to the color conversion in the color converting step; and
reading out, from a storing unit, first profile information concerning display characteristics of the display apparatus corresponding to a first light emission amount of the backlight unit and second profile information concerning display characteristics of the display apparatus corresponding to a second light emission amount different from the first light emission amount, and generating, using the first profile information and the second profile information, third profile information concerning display characteristics of the display apparatus corresponding to a light emission amount determined on the basis of the input image,wherein in the acquiring step, the third profile information generated in the generating step is acquired.
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Abstract
An image processing method applies color conversion to an input image and outputs the image. The method includes the steps of: acquiring profile information concerning display characteristics of a display apparatus including a backlight unit, a control unit configured to control a light emission amount of the backlight unit, and a display panel configured to modulate light from the backlight unit, the display characteristics being changed according to the light emission amount of the backlight unit; color converting the input image into an image in a color space of the display apparatus by using the acquired profile information in the acquiring; and outputting the image being subjected to the color conversion.
5 Citations
18 Claims
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1. An image processing method for applying color conversion to an input image and outputting the image to which the color conversion is applied, the image processing having a plurality of steps, the method comprising the steps, of:
- acquiring profile information concerning display characteristics of a display apparatus including a backlight unit, a control unit configured to control a light emission amount of the backlight unit, and a display panel configured to modulate light from the backlight unit, wherein the display characteristics are changed according to the light emission amount of the backlight unit;
color converting the input image into an image in a color space of the display apparatus using the acquired profile information acquired in the acquiring step; outputting the image subjected to the color conversion in the color converting step; and
reading out, from a storing unit, first profile information concerning display characteristics of the display apparatus corresponding to a first light emission amount of the backlight unit and second profile information concerning display characteristics of the display apparatus corresponding to a second light emission amount different from the first light emission amount, and generating, using the first profile information and the second profile information, third profile information concerning display characteristics of the display apparatus corresponding to a light emission amount determined on the basis of the input image,wherein in the acquiring step, the third profile information generated in the generating step is acquired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- acquiring profile information concerning display characteristics of a display apparatus including a backlight unit, a control unit configured to control a light emission amount of the backlight unit, and a display panel configured to modulate light from the backlight unit, wherein the display characteristics are changed according to the light emission amount of the backlight unit;
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9. An image output apparatus that applies color conversion to an input image and outputs the image to which the color conversion is applied, the image output apparatus comprising:
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a processor; and a memory coupled to the processor to store instructions that cause the processor to perform operations of; an acquiring unit configured to acquire profile information concerning display characteristics of a display apparatus including a backlight unit, a control unit configured to control a light emission amount of the backlight unit, and a display panel configured to modulate light from the backlight unit, wherein the display characteristics are changed according to the light emission amount of the backlight unit; a converting unit configured to apply to the input image a color conversion to convert the input image into an image in a color space of the display apparatus using the profile information acquired by the acquiring unit; an output unit configured to output the image being subjected to the color conversion by the converting unit; and a generating unit configured to read out, from a storing unit, first profile information concerning display characteristics of the display apparatus corresponding to a first light emission amount of the backlight unit and second profile information concerning display characteristics of the display apparatus corresponding to a second light emission amount different from the first light emission amount and to generate, using the first profile information and the second profile information, third profile information concerning display characteristics of the display apparatus corresponding to a light emission amount determined on the basis of the input image, wherein the acquiring unit acquires the third profile information generated by the generating unit. - View Dependent Claims (10, 11, 12)
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13. A display apparatus comprising:
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a backlight unit; a processor; and a memory coupled to the processor to store instructions that cause the processor to perform operations of; a control unit configured to control a light emission amount of the backlight unit; a display panel configured to modulate light from the backlight unit, wherein display characteristics of said display apparatus are changed according to the light emission amount of the backlight unit; an acquiring unit configured to acquire profile information concerning the display characteristics of said display apparatus; a converting unit configured to apply to an input image color conversion to convert the input image into an image in a color space of the display apparatus using the profile information acquired by the acquiring unit; an output unit configured to output the image being subjected to the color conversion by the converting unit to the display panel; and a generating unit configured to read out, from a storing unit, first profile information concerning display characteristics of the display apparatus corresponding to a first light emission amount of the backlight unit and second profile information concerning display characteristics of the display apparatus corresponding to a second light emission amount different from the first light emission amount and to generate, using the first profile information and the second profile information, third profile information concerning display characteristics of the display apparatus corresponding to a light emission amount determined on the basis of the input image, wherein the acquiring unit acquires the third profile information generated by the generating unit. - View Dependent Claims (14, 15, 16)
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17. An image processing method for applying color conversion to an input image and outputting the image to which the color conversion is applied, the image processing having a plurality of steps, the method comprising the steps, of:
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acquiring profile information concerning display characteristics of a display apparatus including a backlight unit, a control unit configured to control a light emission amount of the backlight unit, and a display panel configured to modulate light from the backlight unit, wherein the display characteristics are changed according to the light emission amount of the backlight unit; color converting the input image into an image in a color space of the display apparatus using the acquired profile information in the acquiring step; outputting the image being subjected to the color conversion in the color converting step; and detecting switching of the input image, wherein in the acquiring step, the profile information is acquired in response to the switching of the input image detected in the detecting step.
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18. A display apparatus for modulating light from a backlight unit with a display panel, controlling a light emission amount of a backlight unit, and changing display characteristics according to the light emission amount of the backlight unit, the display apparatus comprising:
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a processor; and a memory coupled to the processor to store instructions that cause the processor to perform operations of; an acquiring unit configured to acquire profile information concerning the display characteristics of the display apparatus; a converting unit configured to apply to an input image color conversion to convert the input image into an image in a color space of the display apparatus using the profile information acquired by the acquiring unit; an output unit configured to output the image subjected to the color conversion by the converting unit to the display panel; and a detecting unit configured to detect switching of the input image, wherein the acquiring unit acquires the profile information in response to the switching of the input image detected by the detecting unit.
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Specification