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