CN-122018663-A - Energy-saving display method and system for tablet personal computer screen

CN122018663ACN 122018663 ACN122018663 ACN 122018663ACN-122018663-A

Abstract

The invention discloses a display method and a system for saving energy of a panel computer screen, which relate to the technical field of screen display and comprise the steps of executing pixel-level display driving analysis processing on content displayed on the panel computer screen, and constructing a pixel energy consumption contribution matrix based on brightness, color and time sequence changes; performing region aggregation analysis by combining user touch interaction position distribution, display content structural characteristics and pixel display stay time sequence characteristics, and dividing a screen display region into strong/weak perception display regions; and configuring a differentiated degradation strategy, and carrying out degradation execution verification and display management through a preset human eye visual perception consistency constraint condition before execution. The technical problems that in the prior art, a screen energy-saving scheme is extensive, the user perception guidance is lacked, fine energy efficiency management cannot be realized at a pixel level, the energy-saving effect is limited, and the user visual experience is poor are solved, and the technical effects of reducing screen energy consumption, improving visual quality consistency and improving user visual experience are achieved.

Inventors

RAO XUDONG
LEI XIUYUN

Assignees

安徽壹芯科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260130

Claims (8)

1. A method for displaying a tablet computer screen energy saving, the method comprising: When the screen of the tablet computer is in a display working state, pixel-level display driving analysis processing is carried out on the screen content to be displayed currently, and corresponding energy consumption contribution weights are distributed to all pixels in the screen based on brightness levels, color channel driving characteristics and pixel display time sequence changes of all pixels of the screen, so that a pixel energy consumption contribution matrix representing the energy consumption distribution state of the pixels of the screen is constructed; After the touch interaction position distribution, the display content structural characteristics and the pixel display stay time sequence characteristics of a user are read, carrying out region aggregation analysis on the pixel energy consumption contribution matrix, and dividing a screen display region into visual effective display regions, wherein the visual effective display regions comprise strong perception display regions and weak perception display regions; a differential degradation strategy is configured based on the pixel energy consumption contribution matrix and the visual effective display area; Before the degradation strategy is executed, carrying out degradation execution verification through a preset human eye vision perception consistency constraint condition, and carrying out display management according to a degradation execution verification result.
2. The method for displaying energy conservation of a tablet computer screen according to claim 1, wherein constructing a pixel energy consumption contribution matrix characterizing a distribution state of pixel energy consumption of the screen comprises: taking frame buffer data output by a display driving unit as input, reading gray scale values of pixels in each frame, acquiring a driving current interval corresponding to the gray scale values of the pixels by using a reading result, and configuring a basic energy consumption value of the pixels; for each pixel, carrying out sub-pixel energy consumption decomposition and reconstruction on the basic energy consumption value according to the on states of the red, green and blue sub-pixels and the sub-pixel driving duty ratio corresponding to the pixel, and constructing a color channel correction energy consumption value of the pixel; in the continuous display frames, counting the gray scale change times and change amplitude values of each pixel, calculating display switching frequency coefficients of the pixels according to the counting results, and carrying out time sequence correction on the color channel correction energy consumption values according to the display switching frequency coefficients; and arranging the pixel energy consumption values subjected to time sequence correction according to the spatial positions of the pixels in the screen to form a pixel energy consumption contribution matrix.
3. The method for displaying energy saving on a screen of a tablet computer according to claim 1, wherein performing an area aggregation analysis on the pixel energy consumption contribution matrix to divide a screen display area into visually effective display areas comprises: Dividing a screen into a plurality of pixel subareas according to a preset space partitioning rule based on the pixel energy consumption contribution matrix, and performing aggregation calculation on pixel energy consumption contribution weights in each pixel subarea to obtain a regional energy consumption aggregation value of the corresponding pixel subarea; carrying out energy consumption aggregation normalization processing on each pixel subarea by utilizing the area energy consumption aggregation value and combining the area information of the pixel subarea to form an area-level energy consumption distribution characteristic; Performing time sequence accumulation statistics on the user touch interaction position to generate a touch heat distribution map representing the user interaction attention degree, and mapping the touch heat distribution map to a corresponding pixel subarea to form regional interactive attention features; executing structural analysis of display content, identifying a text main body area, an image main body area and an interface function component area, constructing a content structural mark according to an identification result, and aggregating the content structural mark to a corresponding pixel subarea to form an area-level content structural feature; based on the regional energy consumption distribution characteristics, the regional interactive attention characteristics and the regional content structure characteristics, performing multi-characteristic aggregation analysis on each pixel subarea, and calculating a corresponding regional perception relevance index; and dividing the screen display area into visual effective display areas according to the area perception relevance index.
4. The method for displaying energy saving on a screen of a tablet computer according to claim 3, wherein dividing the screen into a plurality of pixel sub-areas according to a preset space blocking rule based on the pixel energy consumption contribution matrix comprises: dividing the screen into basic pixel grid units according to the physical resolution of the screen; Taking the basic pixel grid unit as a minimum block unit, and executing expanded search clustering of adjacent basic pixel grid units based on a pixel energy consumption contribution matrix; the screen is divided into a plurality of pixel sub-regions using the expanded search cluster results.
5. The method for displaying energy saving on a screen of a tablet computer according to claim 3, wherein dividing the screen display area into visually effective display areas according to the area-aware relevance index comprises: reading a region segmentation threshold set by a user, and acquiring historical preference data of the user; After scene adaptation screening is carried out on the historical preference data, threshold compensation is carried out on the region segmentation threshold according to screening results, and a calibration threshold is established; Judging whether the regional perception relativity index meets the calibration threshold, dividing the pixel subregion corresponding to the calibration threshold into a strong perception display region, and dividing the pixel subregion which cannot meet the calibration threshold into a weak perception display region.
6. The method for displaying energy saving on a screen of a tablet computer according to claim 1, wherein the degradation strategy based on the pixel energy consumption contribution matrix and the configuration differentiation of the visually effective display area comprises: Activating a degradation strategy configuration channel, and after receiving the pixel energy consumption contribution matrix and the visual effective display area, distributing visual sensitivity weights according to the category of the visual effective display area by utilizing a preprocessing layer in the channel; invoking a mapping processing layer, and mapping the pixel values into pixel degradation coefficients based on the combination of each pixel value in the pixel energy consumption contribution matrix and the visual sensitivity weight of the pixel subarea to which the pixel value belongs; and calling a smoothing processing layer to execute spatial neighborhood filtering on the pixel degradation coefficient of each pixel subarea, executing time sequence weighted average processing of the degradation coefficient of the continuous display frame, and configuring a differentiated degradation strategy according to the processing result.
7. The method for displaying energy saving on a screen of a tablet computer according to claim 1, wherein the performing the degradation verification by the preset human eye vision perception consistency constraint condition comprises: The fit pixel subareas after the degradation strategy is executed generate a visual consistency index matrix through pixel brightness difference, color deviation and contrast change index analysis; comparing the vision consistency index matrix with a preset vision threshold value, and judging whether the degradation of each pixel subarea meets the human eye application range or not; and finishing degradation verification according to the judgment result.
8. A display system for saving energy on a screen of a tablet computer, the system being configured to implement a display method for saving energy on a screen of a tablet computer according to any one of claims 1 to 7, the system comprising: The display driving analysis processing module is used for executing pixel-level display driving analysis processing on the screen content to be displayed currently when the screen of the tablet personal computer is in a display working state, distributing corresponding energy consumption contribution weights to each pixel in the screen based on brightness level, color channel driving characteristics and pixel display time sequence change of each pixel of the screen, and constructing a pixel energy consumption contribution matrix representing the energy consumption distribution state of the pixels of the screen; The regional aggregation analysis module is used for carrying out regional aggregation analysis on the pixel energy consumption contribution matrix after reading the distribution of the touch interaction positions of the user, the structural characteristics of the display content and the display stay time sequence characteristics of the pixels, and dividing a screen display region into visual effective display regions, wherein the visual effective display regions comprise strong perception display regions and weak perception display regions; The degradation strategy configuration module is used for configuring differentiated degradation strategies based on the pixel energy consumption contribution matrix and the visual effective display area; And the degradation execution verification module is used for carrying out degradation execution verification through a preset human eye vision perception consistency constraint condition before the degradation strategy is executed, and carrying out display management according to a degradation execution verification result.

Description

Energy-saving display method and system for tablet personal computer screen Technical Field The invention relates to the technical field of screen display, in particular to an energy-saving display method and system for a tablet personal computer screen. Background The panel computer display of high resolution, high refresh rate, wide color gamut and high dynamic range HDR promotes user's visual experience, brings the increasingly serious energy consumption challenge, and the screen is as one of the highest consumption components in the panel computer, and its energy consumption ratio is usually between 30% and 60%, has directly restricted the duration of equipment, and traditional global brightness adjustment, energy-saving modes such as screen timeout shut down often come at the expense of whole visual experience, and the effect is limited when the user initiatively interacts, can't realize the energy efficiency management of refinement when maintaining core visual experience. The self-adaptive brightness adjustment and the dynamic refresh rate adjustment based on the content can dynamically adjust the backlight or refresh rate according to the average brightness or the simple scene of the display picture, in addition, the driving power consumption of pixels with different areas, different colors and different brightness of the screen has obvious difference, the sensitivity of a human eye vision system to different time and space frequencies and the content of different areas is not uniform, the existing screen energy-saving display simply performs weight distribution according to the brightness or the color of the pixels, the dynamic association among the electrical driving characteristics of the pixels, the time and space structural characteristics of the content and the perception characteristics of human eyes is not comprehensively considered, the color balance of the picture is possibly damaged or important visual clues are possibly lost, uncomfortable flicker or detail blurring is possibly generated in the clicking area of a user, and the user experience is influenced. Therefore, in the related art at the present stage, there are technical problems that a screen energy-saving scheme is extensive, user perception guidance is lacked, and fine energy efficiency management cannot be realized at a pixel level, so that energy-saving effect is limited and user visual experience is poor. Disclosure of Invention The application solves the technical problems that in the prior art, a screen energy-saving scheme is extensive, the user perception guidance is lacked, fine energy efficiency management cannot be realized at a pixel level, the energy-saving effect is limited and the user visual experience is poor, and achieves the technical effects of reducing the screen energy consumption and improving the visual quality consistency and the user visual experience. The application provides an energy-saving display method of a panel computer screen, which comprises the steps of executing pixel-level display driving analysis processing on screen content to be displayed currently when the panel computer screen is in a display working state, distributing corresponding energy consumption contribution weights for all pixels in the screen based on brightness levels, color channel driving characteristics and pixel display time sequence changes of all pixels of the screen, constructing a pixel energy consumption contribution matrix representing the energy consumption distribution state of the pixels of the screen, carrying out region aggregation analysis on the pixel energy consumption contribution matrix after reading user touch interaction position distribution, display content structural characteristics and pixel display stay time sequence characteristics, dividing a screen display region into a visual effective display region, wherein the visual effective display region comprises a strong perception display region and a weak perception display region, carrying out degradation execution verification through preset human eye visual perception consistency constraint conditions before the degradation policy is executed, and carrying out display management according to degradation execution verification results. In a possible implementation manner, a pixel energy consumption contribution matrix representing a pixel energy consumption distribution state of a screen is constructed, wherein frame buffer data output by a display driving unit is taken as input, gray scale values of pixels in each frame are read, a driving current interval corresponding to the gray scale values of the pixels is obtained by using a reading result, a basic energy consumption value of the pixels is configured, sub-pixel energy consumption decomposition and reconstruction are carried out on the basic energy consumption value according to an opening state of red, green and blue sub-pixels and a sub-pixel driving duty ratio of each pixel, a color channel