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US 10,896,648 B2Granted
Image display apparatus and projection unit for image correction based on pixel values
AssigneeSony Corporation
InventorsFeng Chen, Takaaki Suzuki, Takahiro Nagano
Life of this patent
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Abstract
An image display apparatus according to an embodiment of the present technology includes a correction unit and a display control unit. The correction unit corrects, for correcting deterioration of an image to be projected on the basis of image information including a pixel value of each pixel, the pixel value of each pixel included in the image information. The display control unit changes, for a pixel whose pixel value exceeds an upper limit value by the correction, the pixel value to a value equal to or smaller than the upper limit value and increases display luminance of the pixel exceeding the upper limit value within the image to be projected.
Claims14
An image display apparatus, comprising:
- a light source unit;
- a correction unit configured to correct deterioration of an image to be projected based on image information including a plurality of pixel values of a plurality of pixels, wherein the deterioration is corrected by correction of each pixel value of the plurality of pixel values;
- a display control unit configured to:
- detect a first pixel of the plurality of pixels, wherein a first pixel value of the first pixel exceeds an upper limit value based on the correction of the plurality of pixel values;
- determine a saturation amount of the first pixel based on a difference between the first pixel value of the first pixel and the upper limit value;
- generate a second pixel value of the first pixel based on the saturation amount of the first pixel, wherein the second pixel value of the first pixel is equal to or smaller than the upper limit value;
- and
- increase output luminance of the light source unit to increase display luminance of the first pixel having the generated second pixel value;
- and
- a plurality of image projection units configured to generate and project a plurality of images, wherein
- the plurality of image projection units include a main image projection unit and a sub-image projection unit, and
- the display control unit is further configured to:
- distribute the first pixel value of the first pixel to a plurality of distribution pixel values;
- output the upper limit value to the main image projection unit;
- output the saturation amount of the first pixel to the sub-image projection unit;
- and
- control the plurality of image projection units to project the plurality of images based on the plurality of distribution pixel values, the output of the upper limit value, and the output of the saturation amount, wherein a plurality of projection positions of the plurality of images are identical.
14 more elements
An image display method, comprising:
- in an image display apparatus comprising a light source unit and a plurality of image projection units, wherein the plurality of image projection units include a main image projection unit and a sub-image projection unit:
- correcting each pixel value of a plurality of pixel values of a plurality of pixels included in image information, wherein each pixel value of the plurality of pixels is corrected for deterioration of an image;
- detecting a pixel of the plurality of pixels, wherein a first pixel value of the pixel exceeds an upper limit value based on the correction of the plurality of pixel values;
- determining a saturation amount of the pixel based on a difference between the first pixel value of the pixel and the upper limit value;
- generating a second pixel value of the pixel based on the saturation amount of the pixel, wherein the second pixel value of the pixel is equal to or smaller than the upper limit value;
- increasing output luminance of the light source unit to increase display luminance of the pixel having the generated second pixel value;
- distributing the first pixel value of the pixel to a plurality of distribution pixel values;
- outputting the upper limit value to the main image projection unit;
- outputting the saturation amount of the pixel to the sub-image projection unit;
- and
- controlling the plurality of image projection units to project a plurality of images based on the plurality of distribution pixel values, the output of the upper limit value, and the output of the saturation amount, wherein a plurality of projection positions of the plurality of images are identical.
8 more elements
An information processing apparatus, comprising:
- a correction unit configured to correct deterioration of an image to be projected by an image display apparatus based on image information including a plurality of pixel values a plurality of pixels, wherein the deterioration is corrected by correction of each pixel value of the plurality of pixel values;
- a display control unit configured to:
- detect a pixel of the plurality of pixels, wherein a first pixel value of the pixel exceeds an upper limit value based on the correction of the plurality of pixel values;
- determine a saturation amount of the pixel based on a difference between the first pixel value of the pixel and the upper limit value;
- generate a second pixel value of the pixel based on the saturation amount of the pixel, wherein the second pixel value of the pixel is equal to or smaller than the upper limit value;
- increase output luminance of a light source unit of the image display apparatus to increase display luminance of the pixel having the generated second pixel value;
- distribute the first pixel value of the pixel to a plurality of distribution pixel values;
- output the upper limit value to a main image projection unit of a plurality of image projection units of the image display apparatus;
- output the saturation amount of the pixel to a sub-image projection unit of the plurality of image projection units;
- and
- control the plurality of image projection units of the image display apparatus to project a plurality of images based on the plurality of distribution pixel values, the output of the upper limit value, and the output of the saturation amount, wherein a plurality of projection positions of the plurality of images are identical.
8 more elements
An information processing method, comprising:
- in an information processing apparatus:
- correcting deterioration of an image to be projected by an image display apparatus based on image information including a plurality of pixel values of a plurality of pixels, wherein the deterioration is corrected by correction of each pixel value of the plurality of pixel values;
- detecting a pixel of the plurality of pixels, wherein a first pixel value of the pixel exceeds an upper limit value by the correction of the plurality of pixel values;
- determining a saturation amount of the pixel based on a difference between the first pixel value of the pixel and the upper limit value;
- generating a second pixel value of the pixel based on the saturation amount of the pixel, wherein the second pixel value of the pixel is equal to or smaller than the upper limit value;
- increasing output luminance of a light source unit of the image display apparatus to increase display luminance of the pixel having the generated second pixel value;
- distributing the first pixel value of the pixel to a plurality of distribution pixel values;
- outputting the upper limit value to a main image projection unit of a plurality of image projection units of the image display apparatus;
- outputting the saturation amount of the pixel to a sub-image projection unit of the plurality of image projection units;
- and
- controlling the plurality of image projection units of the image display apparatus to project a plurality of images based on the plurality of distribution pixel values, the output of the upper limit value, and the output of the saturation amount, wherein a plurality of projection positions of the plurality of images are identical.
8 more elements
A non-transitory computer-readable medium having stored thereon computer-executable instructions which, when executed by a computer, cause the computer to execute operations, the operations comprising:
- correcting deterioration of an image to be projected by an image display apparatus based on image information including a plurality of pixel values of a plurality of pixels, wherein the deterioration is corrected by correction of each pixel value of the plurality of pixel values;
- detecting a pixel of the plurality of pixels, wherein a first pixel value of the pixel exceeds an upper limit value based on the correction of the plurality of pixel values;
- determining a saturation amount of the pixel based on a difference between the first pixel value of the pixel and the upper limit value;
- generating a second pixel value of the pixel based on the saturation amount of the pixel, wherein the second pixel value of the pixel is equal to or smaller than the upper limit value;
- increasing output luminance of a light source unit of the image display apparatus to increase display luminance of the pixel having the generated second pixel value;
- distributing the first pixel value of the pixel to a plurality of distribution pixel values;
- outputting the upper limit value to a main image projection unit of a plurality of image projection units of the image display apparatus;
- outputting the saturation amount of the pixel to a sub-image projection unit of the plurality of image projection units;
- and
- controlling the plurality of image projection units of the image display apparatus to project a plurality of images based on the plurality of distribution pixel values, the output of the upper limit value, and the output of the saturation amount, wherein a plurality of projection positions of the plurality of images are identical.
7 more elements
An image display apparatus, comprising:
- a light source unit;
- a correction unit configured to correct deterioration of an image to be projected based on image information including a plurality of pixel values of a plurality of pixels, wherein the deterioration is corrected by correction of each pixel value of the plurality of pixel values;
- and
- a display control unit configured to:
- detect a first pixel of the plurality of pixels, wherein a first pixel value of the first pixel exceeds an upper limit value based on the correction of the plurality of pixel values;
- determine a saturation amount of the first pixel based on a difference between the first pixel value of the first pixel and the upper limit value;
- generate a second pixel value of the first pixel based on the saturation amount of the first pixel, wherein the second pixel value of the first pixel is equal to or smaller than the upper limit value;
- increase output luminance of the light source unit to increase display luminance of the first pixel having the generated second pixel value;
- and
- detect a second pixel of the plurality of pixels, wherein a pixel value of the second pixel falls below a lower limit value by the correction of the plurality of pixel values,
- wherein the correction unit is further configured to:
- adjust a correction intensity of the pixel value of the second pixel based on a difference between the lower limit value and the pixel value of the second pixel, wherein the pixel value of the second pixel is obtained before the correction of the plurality of pixel values;
- and
- correct, based on the adjusted correction intensity, the pixel value of the second pixel obtained before the correction of the plurality of pixel values.
11 more elements
Dependencies are inferred from the claim text.