公开(公告)号：US11289006B2

公开(公告)日：2022-03-29

申请号：US17188807

申请日：2021-03-01

Applicant: Intel Corporation

Inventor： Junhai Qiu ,  Ajit Joshi ,  Jun Jiang ,  Sherine Abdelhak ,  Shravan Kumar Belagal Math ,  Nandini Mahendran

IPC: G09G3/20

Abstract: Example display power management control circuitry is to determine a baseline image quality parameter associated with a baseline display power mode based on: a baseline first relationship parameter associated with a first relationship between original and boosted pixel values; a baseline percentage of pixels having a color value; and a baseline second relationship parameter associated with a second relationship between the numbers of original pixel values and boosted pixel values; determine a value of a subsequent first relationship parameter based on an adjusted second relationship parameter and a second percentage of pixels having the color value; determine a second image quality parameter associated with the subsequent first relationship parameter, the adjusted second relationship parameter, and the second percentage of pixels; and select the subsequent first relationship parameter and the adjusted second relationship parameter based on comparing the second image quality parameter to the baseline image quality parameter.

公开(公告)号：US20210183322A1

公开(公告)日：2021-06-17

申请号：US17186377

申请日：2021-02-26

Applicant: Intel Corporation

Inventor： Junhai Qiu ,  Nandini Mahendran ,  Ajit Joshi ,  Shravan Kumar Belagal Math ,  Sherine Abdelhak

IPC: G09G3/34 ,  G09G3/20 ,  G06F1/3234

Abstract: The present disclosure is directed to systems and methods of optimizing display image quality on display devices having a plurality of display power modes. An example apparatus includes processor circuitry to execute instructions to: determine a baseline allowable percentage of distorted pixels for a power mode of a display; determine a baseline first relationship between an original pixel value and a boosted pixel value for the power mode; determine a baseline second relationship based on the baseline allowable percentage and the baseline first relationship; select a plurality of test distorted pixel percentages; determine, for respective selected test distorted pixel percentages, a corresponding test relationship between an original pixel color value distribution and a boosted pixel color value distribution based on the baseline second relationship; determine, for respective test relationships, a respective test peak signal to noise ratio (PSNR); determine, for the respective test PSNRs, respective values indicative of the change in image quality for the test distorted pixel percentages; and select, as the operating distorted original pixel percentage value, one of the test distorted pixel percentages based on the values.

公开(公告)号：US10937358B2

公开(公告)日：2021-03-02

申请号：US16456125

申请日：2019-06-28

Applicant: Intel Corporation

Inventor： Junhai Qiu ,  Ajit Joshi ,  Jun Jiang ,  Sherine Abdelhak ,  Shravan Kumar Belagal Math ,  Nandini Mahendran

IPC: G09G3/20

Abstract: The present disclosure is directed to systems and methods of reducing display image power consumption while maintaining image quality on display devices having a plurality of display power modes. Each display power mode has associated therewith a defined baseline value (K1,BASELINE) first relationship. A display image includes a baseline percentage under-boosted pixels (Xi,BASELINE). Using the first relationship value (K1,BASELINE) and the pixel percentage (Xi,BASELINE), a baseline second relationship value is determined (K0,BASELINE). The value associated with the second relationship is adjusted to a first plurality of values. At each value, the value associated with the pixel percentage is adjusted to each of a second plurality of values. At each combination of second relationship value and pixel percentage, a respective first relationship value is determined. A first relationship value, second relationship value are selected to provide a reduced power consumption while maintaining image quality.