Method and device for improving image quality by using multi-resolution

Patent metadata

Field	Value
Publication number	US-11037268-B2
Application number	US-201715626345-A
Country	US
Kind code	B2
Filing date	Jun 19, 2017
Priority date	May 18, 2017
Publication date	Jun 15, 2021
Grant date	Jun 15, 2021

Abstract

A method for improving image quality by using multi-resolution is provided. The method includes: receiving an image data; dividing the image data into areas corresponding to different resolutions according to first parameter information, wherein the resolutions correspond to different frequencies; rendering the areas with the different frequencies in a single pass and outputting a rendered image data; and resolving the rendered image data into a final output image data with a first resolution according to second parameter information.

First claim

What is claimed is:

1. A method for improving image quality by using multi-resolution, comprising:
receiving an image data, sensing information output from a sensor, and time information generated by a time sensor;
dividing the image data into areas corresponding to different resolutions according to first parameter information, wherein the resolutions correspond to different frequencies, wherein the different frequencies include a sampling frequency corresponding to a high resolution, a pixel frequency corresponding to an intermediate resolution, and a quad rendering frequency corresponding to a low resolution;
determining whether to adjust one or more of the different frequencies according to the sensing information;
determining whether a finish time of a current frame is before a video-synchronizing signal;
adjusting the different frequencies according to the determining operations;
rendering the areas with the different frequencies in a single pass and outputting a rendered image data with the different resolutions; and
resolving the rendered image data with the different resolutions into a final output image data with a first resolution according to second parameter information.

2. The method for improving image quality by using multi-resolution as claimed in claim 1 , wherein the first parameter information is transmitted by a driver, and includes screen coordinate information and distance information.

3. The method for improving image quality by using multi-resolution as claimed in claim 1 , wherein when the resolution is within a range of high resolutions, the frequency corresponding to the high resolution is a sampling frequency.

4. The method for improving image quality by using multi-resolution as claimed in claim 1 , wherein the second parameter information at least includes the first resolution of the image data.

5. The method for improving image quality by using multi-resolution as claimed in claim 1 , wherein the image data is a rasterized image.

6. A device for improving image quality by using multi-resolution, comprising:
a graphics processing unit; and
a memory, operatively coupled to the graphics processing unit;
wherein the graphics processing unit is configured to execute a program code stored in the memory to execute operations of:
receiving an image data, sensing information output from a sensor, and time information generated by a time sensor;
dividing the image data into areas corresponding to different resolutions according to first parameter information, wherein the resolutions correspond to different frequencies, wherein the different frequencies include a sampling frequency corresponding to a high resolution, a pixel frequency corresponding to an intermediate resolution, and a quad rendering frequency corresponding to a low resolution;
determining whether to adjust one or more of the different frequencies according to the sensing information;
determining whether a finish time of a current frame is before a video-synchronizing signal;
adjusting the different frequencies according to the determining operations;
adjusting the different frequencies according to the determination result rendering the areas with the different frequencies in a single pass and outputting a rendered image data with the different resolutions; and
resolving the rendered image data with the different resolutions into a final output image data with a first resolution according to second parameter information.

7. The device for improving image quality by using multi-resolution as claimed in claim 6 , wherein the first parameter information is transmitted by a driver, and includes screen coordinate information and distance information.

8. The device for improving image quality by using multi-resolution as claimed in claim 6 , wherein when the resolution is within a range of high resolutions, the frequency corresponding to the high resolution is a sampling frequency.

9. The device for improving image quality by using multi-resolution as claimed in claim 6 , wherein the second parameter information at least includes the first resolution of the image data.

10. The device for improving image quality by using multi-resolution as claimed in claim 6 , wherein the image data is a rasterized image.

Assignees

• Via Alliance Semiconductor Co Ltd

Inventors

• Gu Deming

Classifications

• G06T1/20 Primary

  Processor architectures; Processor configuration, e.g. pipelining · CPC title

• G06T15/205

  Image-based rendering · CPC title

• G06T5/70 Primary

  Denoising; Smoothing · CPC title