Image processing device, display device, and head mounted display device

Patent metadata

Field	Value
Publication number	US-10455170-B2
Application number	US-201715679800-A
Country	US
Kind code	B2
Filing date	Aug 17, 2017
Priority date	Sep 30, 2016
Publication date	Oct 22, 2019
Grant date	Oct 22, 2019

Abstract

An image processor includes a scaling unit configured to output converted data by resizing first image data; and a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2. Here, the second image data is the converted data, or the first image data is the rendering data.

First claim

What is claimed is:

1. An image processor comprising:
a scaling unit configured to output converted data by resizing first image data; and
a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2,
wherein the second image data is the converted data, or the first image data is the rendering data,
wherein the rendering unit reconstruct the second image data of a first format into the rendering data of a second format predetermined based on arrangement of pixels, wherein the rendering unit is configured to calculate the target rendering data value by weight-averaging the data values,
wherein the second image data includes a first type data value, a second type data value, and a third type data value sequentially and repeatedly arranged in a first direction,
wherein the rendering data includes a fourth type data value, a fifth type data value, a sixth type data value, and a seventh type data value sequentially and repeatedly arranged in the first direction, and
wherein the first type data value and the fourth type data value corresponds to a first pixel configured to emit light with a first color, the second type data value, the fifth type data value, and the seventh type data value corresponds to a second pixel configured to emit light with a second color, and the third type data value and the sixth type data value corresponds to a third pixel configured to emit light with a third color.

2. An image processor comprising:
a scaling unit configured to output converted data by resizing first image data; and
a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2,
wherein the second image data is the converted data, or the first image data is the rendering data,
wherein the rendering unit reconstruct the second image data of a first format into the rendering data of a second format predetermined based on arrangement of pixels, wherein the rendering unit is configured to render the second image data using a first sub-filter having weight values for the data values, and
wherein the first block has a size of 2*2, wherein the first sub-filter has a first weight value for a first target data value among the data values, a second weight value for a first adjacent data value which is adjacent to the first target data value in a first direction, a third weight value for a second adjacent data value which is adjacent to the first target data value in a second direction, and a fourth weight value for a third adjacent data value which is adjacent to the second target data value in the first direction, and
wherein the second direction is perpendicular to the first direction.

3. An image processor comprising:
a scaling unit configured to output converted data by resizing first image data; and
a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2,
wherein the second image data is the converted data, or the first image data is the rendering data,
wherein the rendering unit reconstruct the second image data of a first format into the rendering data of a second format predetermined based on arrangement of pixels, wherein the rendering unit is configured to operate in a normal mode or in a wearable mode, render the second image data using a second sub-filter in the normal mode, and render the second image data using a first sub-filter in the wearable mode,
wherein the first sub-filter has a first weight value for a first target data value among the data values, a second weight value for a first adjacent data value which is adjacent to the first target data value in a first direction, a third weight value for a second adjacent data value which is adjacent to the first target data value in a second direction, and a fourth weight value for a third adjacent data value which is adjacent to the second target data value in the first direction,
wherein the second sub-filter has a twenty-first weight value for the first target data value and a twenty-second weight value for the first adjacent data value, and
wherein the second direction is perpendicular to the first direction.

4. An image processor comprising:
a scaling unit configured to output converted data by resizing first image data; and
a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target rendering data value based on data values corresponding to a first block of M*N among the second image data, where each of M and N is an integer greater than or equal to 2,
wherein the second image data is the converted data, or the first image data is the rendering data,
wherein the rendering unit reconstruct the second image data of a first format into the rendering data of a second format predetermined based on arrangement of pixels, wherein the scaling unit is configured to determine scaling variables based on distances of sub-pixels arranged in a display panel with respect to a reference point on the display panel configured to display an image based on the converted data or the rendering data, and
wherein the scaling unit resizes the first image data based on the scaling variables,
wherein the scaling unit is configured to extract color data consisted with a same color from the first image data and resize at least one of the color data based on the scaling variables,
wherein the scaling unit is configured to divide the at least one of the color data into partial image data, generate partial converted data by resizing the partial image data based on the scaling variables, and generate the converted data by combining the partial converted data,
wherein the scaling unit is configured to divide the at least one of the color data into eleventh, twelfth, thirteenth, and fourteenth partial data based on a first axis and a second axis, the first axis extending in a second direction with respect to a reference point of an image corresponding to the at least one of the color data, the second axis extending in a second direction with respect to the reference point of the image,
wherein the scaling unit is configured to resize the eleventh partial data using a first scaling variable and a third scaling variable,
wherein the scaling unit is configured to resize the twelfth partial data using a second scaling variable and the third scaling variable,
wherein the scaling unit is configured to resize the thirteenth partial data using the first scaling variable and a fourth scaling variable,
wherein the scaling unit is configured to resizes the fourteenth partial data using the third scaling variable and the fourth scaling variable,
wherein the second direction is perpendicular to the first direction,
wherein the second scaling variable is different from the first scaling variable, and
wherein the fourth scaling variable is different from the third scaling variable.

5. An image processor comprising:
a scaling unit configured to output converted data by resizing first image data; and
a rendering unit configured to receive second image data, to output rendering data by rendering the second image data, and to calculate a target

Assignees

• Samsung Display Co Ltd

Inventors

• Park Ji-Eun
• Noh Jin-Woo
• Yoo Young-Wook
• Lim Jae-Keun
• Kamal Hassan

Classifications

• H04N25/61 Primary

  the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4" · CPC title

• G02B27/017 Primary

  Head mounted · CPC title

• H04N23/84

  for processing colour signals · CPC title

• H04N13/344

  with head-mounted left-right displays · CPC title

• H04N13/339

  using spatial multiplexing (H04N13/337 takes precedence) · CPC title