CN114420010A - Control method and device and electronic equipment - Google Patents

Control method and device and electronic equipment Download PDF

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Publication number
CN114420010A
CN114420010A CN202111646832.7A CN202111646832A CN114420010A CN 114420010 A CN114420010 A CN 114420010A CN 202111646832 A CN202111646832 A CN 202111646832A CN 114420010 A CN114420010 A CN 114420010A
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output
content
display
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screen
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韦军
吕若拙
龙燕
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The application provides a control method, comprising: obtaining content to be output; controlling a display mode of a display screen of the electronic equipment at least based on the output parameters of the content to be output, wherein the display screen comprises an electronic ink screen; correspondingly outputting the content to be output to a display area of the display screen; the display screen can operate different display modes in different display areas corresponding to contents to be output with different output parameters, and the display control parameters of the different display areas are different in the different display modes. Simultaneously, this application still provides a controlling means and electronic equipment.

Description

Control method and device and electronic equipment
Technical Field
The present disclosure relates to data display technologies, and in particular, to a control method and apparatus, and an electronic device.
Background
When the electronic ink screen displays output, different display modes cannot be displayed in different display areas simultaneously according to different output contents.
For example, the content to be output includes dynamic content and static content, and the dynamic content and the static content cannot achieve an optimal display effect simultaneously when being output to different display areas on the display screen simultaneously.
Disclosure of Invention
The technical scheme of the application is realized as follows:
according to an aspect of the present application, there is provided a control method including:
obtaining content to be output;
controlling a display mode of a display screen of the electronic equipment at least based on the output parameters of the content to be output, wherein the display screen comprises an electronic ink screen;
correspondingly outputting the content to be output to a display area of the display screen;
the display screen can operate different display modes in different display areas corresponding to contents to be output with different output parameters, and the display control parameters of the different display areas are different in the different display modes.
In the foregoing solution, the controlling a display mode of a display screen of an electronic device based on at least the output parameter of the content to be output includes:
determining output parameters of the content to be output;
if the output parameters represent that the content to be output comprises different attribute content, controlling an electronic ink screen of the electronic equipment to be divided into at least two display areas, and controlling the at least two display areas to operate different display modes; or if the output parameter represents that the content to be output is the same attribute content, controlling an electronic ink screen of the electronic equipment to maintain a current display mode, or controlling the electronic ink screen of the electronic equipment to switch to a display mode corresponding to the attribute.
In the foregoing solution, the controlling a display mode of a display screen of an electronic device based on at least the output parameter of the content to be output includes:
determining output parameters of the content to be output;
and if the output parameter represents that the content to be output comprises different attribute content and the display screen further comprises a first display screen different from the electronic ink screen, controlling the electronic ink screen and the first display screen to respectively operate different display modes, or controlling different areas of the electronic ink screen and the first display screen to respectively operate different display modes.
In the foregoing scheme, the determining the output parameter of the content to be output includes:
obtaining continuous multi-frame images rendered by a graphics processor;
determining output parameters of the content to be output based on image content change information in the continuous multi-frame images, wherein the output parameters can represent that the content to be output comprises dynamic content and/or static content, and the output parameters corresponding to the dynamic content are different from the output parameters corresponding to the static content.
In the foregoing solution, determining the output parameter of the content to be output based on the image content change information in the continuous multi-frame images includes:
determining an output parameter of the content to be output based on a comparison result between a first image parameter difference between two adjacent frames of images in the connected multi-frame images and a first preset value;
or determining a second image parameter difference between a first frame image and a second frame image in the connected multi-frame images and a third image parameter difference between the second frame image and a third frame image; the first frame image and the second frame image are adjacent frame images, and the second frame image and the third frame image are adjacent frame images; determining output parameters of the content to be output based on comparison results between the second image parameter difference and the third image parameter difference and the first preset value respectively;
or determining the output parameter of the content to be output based on the comparison result between the occurrence frequency of the first gray value of the first frame image in the continuous multi-frame images and a second preset value;
or determining a first pixel value of a first frame image and a second pixel value of a second frame image in the continuous multi-frame images; determining an output parameter of the content to be output based on a condition satisfied by a result of the comparison between the first pixel value and the second pixel value.
In the above scheme, wherein the controlling the display area of the electronic ink screen to operate in different display modes includes:
obtaining display layout information of the contents with different attributes in the contents to be output;
obtaining configuration information of the electronic ink screen;
and dividing the electronic ink screen into at least two display areas corresponding to different attribute contents based on the display layout information and the configuration information, and driving different display areas to operate according to different display control parameters.
In the foregoing solution, wherein the controlling the electronic ink screen and the first display screen to run different display modes respectively includes:
and controlling the electronic ink screen and the first display screen to respectively run different display modes based on output parameters corresponding to different attribute contents and the screen information of the display screen.
In the foregoing solution, wherein correspondingly outputting the content to be output to the display area of the display screen includes:
respectively displaying and outputting static content and dynamic content in the content to be output to a first display area and a second display area of an electronic ink screen, wherein the refresh rate of the first display area is lower than that of the second display area; or acquiring identity information of a user of the electronic equipment, and correspondingly outputting the content to be output to different display areas of the display screen based on the identity information.
According to another aspect of the present application, there is provided a control apparatus, the apparatus comprising:
an acquisition unit configured to acquire a content to be output;
a control unit, configured to control a display mode of a display screen of an electronic device based on at least an output parameter of the content to be output, where the display screen includes an electronic ink screen;
the output unit is used for correspondingly outputting the content to be output to a display area of the display screen;
the display screen can operate different display modes in different display areas corresponding to contents to be output with different output parameters, and the display control parameters of the different display areas are different in the different display modes.
According to a third aspect of the present application, there is provided an electronic device comprising: the display screen is used for displaying the content to be output; a processor and a memory for storing a computer program operable on the processor, wherein the processor is operable to perform any of the method steps of the above-described method when executing the computer program.
According to the control method, the control device and the electronic equipment, the display mode of the display screen of the electronic equipment is controlled through the output parameters of the content to be output, so that the display screen can operate different display modes with different display control parameters in different display areas according to different output parameters. In this way, the contents to be output with different output parameters can be simultaneously output on the display screen with the optimal display effect. For example, when static content and dynamic content are displayed on a display screen (such as an electronic ink screen) at the same time, both the static content and the dynamic content can be clearly and smoothly output, and an optimal display effect is achieved.
Drawings
Fig. 1 is a first schematic view of a flow implementation of a control method in the present application;
FIG. 2 is a second flowchart of a control method according to the present application;
FIG. 3 is a schematic structural diagram of a control device according to the present application;
FIG. 4 is a first schematic structural component diagram of an electronic device according to the present application;
fig. 5 is a structural schematic diagram of an electronic device in the present application.
Detailed Description
The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments of the specification.
Fig. 1 is a schematic view of a first implementation flow of a control method in the present application, as shown in fig. 1, the method includes:
step 101, obtaining a content to be output;
in the present application, the method may be applied to an electronic device having a display screen, for example, the electronic device may be a computer, a mobile phone, a television, a learning machine, and the like. The electronic equipment comprises a display cache and a processor, and the processor can acquire the current content to be output from the display cache.
Specifically, the electronic device may obtain, by a Central Processing Unit (CPU), the content to be currently output in the display buffer. Or, the current content to be output is obtained from the display buffer through a coprocessor, wherein the coprocessor is independent of the central processor.
Here, the coprocessor includes, but is not limited to, at least one of a Graphic Processing Unit (GPU), a Video Processing Unit (VPU), and a Network Processing Unit (NPU).
102, controlling a display mode of a display screen of the electronic equipment at least based on the output parameters of the content to be output, wherein the display screen comprises an electronic ink screen;
here, the output parameter of the content to be output specifically refers to an output parameter of original data of the content to be output before being output to the display screen.
For example, if the content to be output is static content (e.g., teletext characters), the electronic device may control a display mode of a display screen (e.g., an electronic ink screen) of the electronic device based on parameters such as the number of characters, font, resolution, and the like of the static content.
For another example, if the content to be output is dynamic content (e.g., a video stream), the electronic device may control a display mode of a display screen (e.g., an electronic ink screen) of the electronic device based on parameters such as a frame number, a frame rate, a bit rate type, a code stream type, an image quality, a resolution, and a sound of the video stream.
Here, the display screen is also capable of operating different display modes in different display areas corresponding to contents to be output with different output parameters.
Specifically, when the content to be output is static content such as characters, images and letters, the whole display area of the display screen of the electronic device or at least the display area for displaying the static content is controlled to be in a static content mode, such as a text mode. When the content to be output is dynamic content such as video stream, jumping text, jumping image, gradient text and gradient image, the whole display area of the display screen of the electronic equipment or at least the display area for displaying the dynamic content is controlled to be in a dynamic content mode, such as a video mode. When the content to be output comprises both static content and dynamic content, the whole display area of the display screen of the electronic equipment is controlled to be in a static-dynamic mixing mode, such as a part of the display area is operated in a graphic mode and a part of the display area is operated in a video mode.
In an implementation scenario, taking the display screen as an electronic ink screen as an example, if the content to be output, which is currently obtained by the electronic device, includes both static content (graphics and text) and dynamic content (video), the whole display area of the electronic ink screen is controlled to be currently in a static-dynamic mixing mode, and in the static-dynamic mixing mode, the electronic ink screen can run the graphics and text mode in the first display area to display the static content and run the video mode in the second display area to display the dynamic content.
Here, the positions of the first display region and the second display region may be specifically determined according to display layout information of the content to be output. The display layout information may specifically refer to display layout information of original data of the content to be output before being output to the display screen.
For example, the display layout information of the content to be output represents that the central area of the whole display interface is video content, and the surrounding area of the video content is teletext content. It is determined that the central area of the electronic ink screen is the second display area and the peripheral area of the central area is the second display area.
In the application, the display control parameters of different display areas of the display screen of the electronic device are different in different display modes.
Here, the display control parameter specifically refers to a parameter of the display screen when displaying the content to be output, including but not limited to a gray value, a refresh rate, a brightness value, a contrast, and the like.
Such as: in the static display mode of the electronic device, the gray scale value of the static display area is 8, the refresh rate is 2 frames, the brightness value is 7, and the contrast ratio is 5. In the dynamic display mode, the gray scale value of the dynamic display area is 5, the refresh rate is 5 frames, the luminance value is 8, and the contrast is 7. Therefore, under different display modes, the display control parameters of different display areas are different, so that when dynamic content and static content are displayed on the same screen, the dynamic content can be smoothly played without blockage, the static content can be clear without blurring, and the optimal display effect is achieved.
In this application, when the electronic device is currently in the static mode, if the content to be output includes both the static content and the dynamic content, only the display control parameter of the dynamic display area for displaying the dynamic content may be adjusted. In the dynamic mode of the electronic device, if the content to be output includes both static content and dynamic content, only the display control parameters of the static display area for displaying the static content may be adjusted. In the static-dynamic mixing mode of the electronic device, if the content to be output includes both static content and dynamic content, the display control parameters of the static display area for displaying the static content may be adjusted, and the display control parameters of the dynamic display area for displaying the dynamic content may be adjusted. Therefore, when the dynamic content and the static content are displayed on the same screen at the same time, the dynamic content and the static content can be displayed clearly and smoothly.
In the application, when the electronic device controls the display mode of the display screen of the electronic device based on the output parameter of the content to be output, the output parameter of the content to be output can be determined first; if the output parameter indicates that the content to be output includes content with different attributes (such as static content and dynamic content, or video content, text content, image content, etc.), the display screen (such as an electronic ink screen) of the electronic device is controlled to be divided into at least two display areas (such as a static display area and a dynamic display area), and the at least two display areas are controlled to operate in different display modes (such as a static display area operating in a static display mode (a text mode) and a dynamic display area operating in a dynamic display mode (a video mode)). If the output parameter indicates that the content to be output is the same attribute content (such as static content or dynamic content, or video content, text content, image content, etc.), controlling a display screen (such as an electronic ink screen) of the electronic device to maintain a current display mode, or controlling the display screen (such as the electronic ink screen) of the electronic device to switch from the current display mode to a display mode corresponding to the attribute.
Specifically, when determining the output parameter of the content to be output, the electronic device may obtain a continuous multi-frame image rendered by the graphics processor; and determining the output parameters of the content to be output based on the image content change information in the continuous multi-frame images.
Here, the output parameter can characterize that the content to be output includes dynamic content and/or static content, where the output parameter corresponding to the dynamic content is different from the output parameter corresponding to the static content.
For example, the output parameter corresponding to the dynamic content may be a parameter such as a character number, a font, a resolution, and the like, and the output parameter corresponding to the static content may be a parameter such as a frame number, a frame rate, a bit rate type, a code stream type, an image quality, and the like.
In this application, the electronic device may include a plurality of display screens, and the types of the plurality of display screens may be different.
For example, the display screen includes an electronic ink screen and a first display screen different from the electronic ink screen. The first Display screen includes, but is not limited to, a Liquid Crystal Display (LCD), an LED Display screen, a projection screen, and the like.
When the electronic equipment controls the display mode of the display screen of the electronic equipment based on the output parameters of the content to be output, the output parameters of the content to be output can be determined firstly; and if the output parameter indicates that the content to be output comprises different attribute contents, controlling a plurality of display screens of different types to respectively run different display modes.
For example, the different types of display screens include an electronic ink screen and a liquid crystal display screen, and if the output parameter indicates that the content to be output includes both dynamic content and static content, the electronic ink screen and the liquid crystal display screen are controlled to respectively operate different display modes (for example, the electronic ink screen operates in the static display mode, and the liquid crystal display screen operates in the dynamic display mode); or, different areas of the electronic ink screen and the liquid crystal display screen are controlled to respectively run different display modes (for example, the first display area of the electronic ink screen runs a static display mode (image-text mode), and the liquid crystal display screen runs a dynamic display mode (video mode)).
In this application, when the electronic device determines the output parameter of the content to be output based on the image content change information in the continuous multi-frame image by obtaining the continuous multi-frame image rendered by the graphics processor, the output parameter may be specifically determined in the following ways.
The first method is as follows: and determining the output parameter of the content to be output based on the comparison result of the first image parameter difference between two adjacent frames of images in the connected multi-frame image and the first preset value.
Specifically, the electronic device may determine a first image parameter difference between a first frame image and a second frame image of the consecutive multiple frame images; wherein, the first frame image and the second frame image are adjacent frame images; and comparing the first image parameter difference with a first preset value, and if the comparison result indicates that the first image parameter difference is greater than the first preset value, determining that the output parameter of the output content indicates the dynamic frame image. Or if the comparison result represents that the first image parameter difference is less than or equal to the first preset value, determining that the output parameter of the content to be output represents the static frame image. Therefore, whether the current content to be output is static content or dynamic content can be effectively determined.
Here, reference may be specifically made to an inter-frame difference method, such as:
(1) and detecting the moving target by carrying out difference or subtraction operation on adjacent frames in the sequence image and carrying out change detection by utilizing the strong correlation of the adjacent frames in the sequence image. The method extracts the motion area in the sequence image by directly comparing the difference of the gray values of the corresponding pixel points of the adjacent frames and then selecting a threshold value. In the sequence images, a change between the k-th frame image fk (x, y) and the k + 1-th frame image fk +1(x, y) can be represented by a binary differential image D (x, y) as follows:
Figure BDA0003445437670000081
in the formula, T is a threshold value for binarization of the difference image. The part of the binary image, which is 1, is composed of parts of the front and back frames with changed corresponding pixel gray values, and usually comprises a moving object and noise; the part of "0" is composed of the parts of the corresponding pixels with unchanged gray values of the previous and next frames.
(2) AND performing AND budget on the binary image AND the original frame to detect dynamic video display content, wherein the reverse image AND operation of the original frame AND the binary image can realize static display content.
The second method comprises the following steps: determining a second image parameter difference between a first frame image and a second frame image in the connected multi-frame images and a third image parameter difference between the second frame image and a third frame image; the first frame image and the second frame image are adjacent frame images, and the second frame image and the third frame image are adjacent frame images; and determining the output parameters of the content to be output based on the comparison results of the second image parameter difference and the third image parameter difference with the first preset value respectively.
Specifically, the electronic device may compare the second image parameter difference and the third image parameter difference with a first preset value, and determine that the output parameter of the content to be output represents the dynamic frame image if the comparison result represents that both the second image parameter difference and the third image parameter difference are greater than the first preset value. Or if the second image parameter difference and/or the third image parameter difference is smaller than or equal to the first preset value, determining that the output parameter of the content to be output represents the static frame image. Therefore, whether the current content to be output is static content or dynamic content can be effectively determined.
Here, specifically, a double difference image method may be referred to, in which only specific conditions of object speed and frame rate are applied to solve the problem using the inter-frame difference method. Two problems are easily created: the presence of objects in the previous frame causes false alarms (ghosts) to be generated, while when the speed of the object is too low or becomes immobile, the similarity between pixels causes the segmentation result to produce "holes" (foreground apertures), which operate threshold differences between frames at times t and t-1 and between frames at times t and t +1 by logically and-combining them using the double difference image method.
Dk+1(x,y)＝fk+1(x,y)–fk(x,y)，
Dk(x,y)＝fk(x,y)–fk-1(x,y)，
D(x,y)＝Dk+1(x,y)AND Dk-1(x,y)。
The third method comprises the following steps: and determining the output parameter of the content to be output based on the comparison result of the frequency of occurrence of the first gray value of the first frame image in the continuous multi-frame images and a second preset value.
Specifically, the electronic device may determine an occurrence frequency of a first gray value in first frame data of the consecutive multi-frame images; comparing the occurrence frequency with a second preset value in time, and if the comparison result indicates that the occurrence frequency is greater than the second preset value, determining that the output parameter of the content to be output is a dynamic frame image; or if the occurrence frequency is less than or equal to a second preset value, determining that the output parameter of the content to be output represents the static frame image. Therefore, whether the current content to be output is static content or dynamic content can be effectively determined.
Here, a hybrid high-term Model (GMM) may be specifically referred to.
The method is as follows: determining a first pixel value of a first frame image and a second pixel value of a second frame image in the continuous multi-frame images; and determining the output parameter of the content to be output based on the condition met by the comparison result of the first pixel value and the second pixel value.
Specifically, the electronic device may determine a first pixel value of a first frame image and a second pixel value of a second frame image in the plurality of consecutive frame data; the first frame image and the second frame image may be adjacent frame images or non-adjacent frame images. Then comparing the first pixel value with the second pixel value, and if the comparison result indicates that the second pixel value and the first pixel value meet the same condition, determining that the output parameter of the content to be output is represented as a static frame image; or if the comparison result indicates that the second pixel value and the first pixel value do not meet the same condition, determining that the output parameter of the content to be output is characterized as a dynamic frame image.
For example, a background pixel point of a first frame image may be used as a sample set, and then a background pixel point of a second frame image in a plurality of continuous frame data is compared with the sample set, and if the background pixel point is the same as the background pixel point stored in the sample set, the first frame image and the second frame image are considered to satisfy the same condition, and it is determined that the content to be output is a static content. And if the background pixel point is different from the background pixel point stored in the sample set, the first frame image and the second frame image are considered not to meet the same condition, and the content to be output is determined to be dynamic content.
Here, reference may be made to a ViBe model, which is an algorithm for pixel-level video background modeling or foreground detection. For example, in the ViBe model, the background model stores a sample set for each background point, and then compares each new pixel value with the sample set to determine whether the background point belongs to. It can be seen that if a new observed value belongs to a background point it should be relatively close to the sample value in the sample set. Specifically, we note v (x): the pixel value at point x; m (x) { V1, V2, … VN } is the background sample set at x (sample set size N); SR (v (x)): the region with x as the center R as the radius, if m (x) [ { SR (v (x)) ] andn { v1, v 2.,. vN } } is greater than a given threshold # min, then the x point is considered to belong to the background point.
In this way, it can be effectively determined whether the content to be output is dynamic content or static content.
In the application, when the electronic equipment controls the display area of the electronic ink screen to operate in different display modes, display layout information of different attribute contents in the contents to be output can be obtained specifically; then obtaining the configuration information of the electronic ink screen; and dividing the electronic ink screen into at least two display areas corresponding to different attribute contents based on the display layout information and the configuration information, and driving different display areas to operate according to different display control parameters.
Here, the display layout information in the content to be output may refer to, for example, layout information of the content to be output itself before being output to the display screen. For example, the display layout information includes, but is not limited to, position information, size information, and the like of the content to be output.
And the configuration information of the electronic ink screen may refer to, for example, hardware configuration information of the screen itself. For example, including but not limited to, resolution of the screen, zoom ratio, screen size information, gray scale value, etc.
In the application, if the size information of the content to be output is large and the size information of the electronic ink screen is small, the size of the content to be output needs to be reduced according to the size information of the electronic ink screen so as to adapt to the size of the electronic ink screen.
In this application, if the content to be output includes dynamic content and static content, the electronic device may further divide the electronic ink screen into at least two display areas (for example, a static display area and a dynamic display area) corresponding to different attribute contents according to the display layout information of the electronic ink screen and the configuration information of the content to be output, and then drive the static display area to display the static content with the display control parameter suitable for the static content and drive the dynamic display area to display the dynamic content with the display control parameter suitable for the dynamic content through a driver of the electronic ink screen.
Here, the dynamic content can be displayed very smoothly by the display control parameter of the dynamic content, and the static content can be displayed very clearly without creating a ghost by the display control parameter of the static content.
In the application, when the electronic device includes a plurality of different types of display screens, the electronic device may further control the different types of display screens to respectively operate in different display modes based on output parameters corresponding to different attribute contents and screen information of the display screens.
Here, the screen information of the display screen includes, but is not limited to, configuration information of the screen itself, status information of the screen.
For example, it is determined that the display screen of the electronic device currently includes an electronic ink screen and a liquid crystal display screen according to the configuration information of the display screen, where the size of the liquid crystal display screen is larger and the size of the electronic ink screen is smaller, when the current content to be output includes static content (such as teletext characters) and dynamic content (such as a video stream), the electronic ink screen is controlled to operate in a static display mode and output the static content in the static display mode, and the liquid crystal display screen is controlled to operate in a dynamic display mode and output the dynamic content in the dynamic display mode.
In another implementation scenario, if it is determined that the resolution of the liquid crystal display is higher than that of the electronic ink screen according to the configuration information of the display screen, it indicates that the display effect of the dynamic content on the electronic ink screen is not good on the liquid crystal display. This enables the dynamic content to be displayed clearly and smoothly.
In another implementation scenario, if it is determined that the liquid crystal display is currently in a working state (for example, playing a video) according to the state information of the display screen, and the electronic ink screen is currently in a dormant state, when the content to be output is obtained, the electronic ink screen may be controlled to be in a display mode corresponding to the attribute of the content to be output.
Therefore, when the dynamic content and the static content are output simultaneously on the same screen, the dynamic content and the static content can be displayed clearly and smoothly.
And 103, correspondingly outputting the content to be output to a display area of the display screen.
Specifically, the electronic device may output the content to be output to the display area of the display screen through a driver of the display screen. If the content to be output comprises both dynamic content and static content, the dynamic content is output to a first display area of a display screen (electronic ink screen) through a driver of the display screen, and the static content is output to a second display area of the display screen (electronic ink screen). Wherein the refresh rate of the first display region is lower than the refresh rate of the second display region; in this way, both dynamic content and static content can be made to be displayed with an optimal display effect.
Here, the first display area and the second display area are not fixed areas, and may be changed in area according to an output parameter of the content to be currently output.
According to the method and the device, the display screen of the electronic equipment is controlled to operate in different display modes according to different display control parameters through different output parameters of the content to be output, so that the content to be output with different output parameters can be displayed with an optimal display effect forever, the problem that when dynamic content and static content are displayed simultaneously on the same screen, the dynamic content is displayed according to the display control parameters of the static content to cause unsmooth video is avoided, and the problem that the static content is displayed according to the display control parameters of the dynamic content to cause image-text blurring and unclear is avoided.
In this application, when the electronic device correspondingly outputs the content to be output to the display area of the display screen, the electronic device may specifically obtain the identity information of the user of the electronic device, and correspondingly output the content to be output to different display areas of the display screen based on the identity information.
Here, the identity information of the user includes, but is not limited to, height, surname, eyesight, browsing habit, and the like of the user.
For example, when the current electronic device is used by a user a, it is determined that the user a is usually used to browse static content such as pictures and texts above a screen through the identity information of the user a, browse dynamic content such as a video stream below the screen, and the eyesight of the user a is poor, when it is determined that the content to be output is static content, the content to be output is correspondingly output to an upper display area of the display screen, and the font size of the pictures and texts is automatically increased, and when it is determined that the content to be output is dynamic content, the content to be output is correspondingly output to a lower display area of the display screen, so that the user a can conveniently and clearly browse the content.
For another example, in another scenario, the electronic device determines, according to the identity information of the user a, that the viewing habit of the user a is a preference for viewing the video-type content, and when the current content to be output includes both the dynamic content of the video and the static content of the text-type, the video-type dynamic content may be output to the central display area of the display screen, and the static content of the text-type may be output to the peripheral area of the central display area, so that the user a may view the video-type content in the best viewing posture.
For another example, when the electronic device includes an electronic ink screen and a first display screen different from the electronic ink screen, the electronic device determines that the user a is used to browse static content such as pictures and texts by using the electronic ink screen according to the identity information of the user a, and is used to watch dynamic content such as videos by using the first display screen, when it is determined that the current content to be output includes the static content and the dynamic content, the dynamic content can be output to the first display screen for display, and the static content can be output to the sub-ink screen for display.
According to the method and the device, the contents to be output with different attributes are output in a matching mode in different display modes or display layout modes according to the identity information of the user, and the browsing requirements or the watching requirements of different users on the displayed contents can be met.
Fig. 2 is a schematic view illustrating a second implementation of a flow of a control method in the present application, as shown in fig. 2, the method includes:
step 201, obtaining a plurality of continuous frame data to be output in a display cache;
step 202, determining a dynamic display area and a static display area of a display interface of the electronic ink screen according to image parameter changes among a plurality of continuous frame data.
Step 203, judging whether a plurality of continuous frame data are dynamic contents;
if it is dynamic content executing step 204, if it is not dynamic content executing step 205;
and 204, setting a dynamic display mode to display the plurality of continuous frame data with the display control parameters of the dynamic content in the dynamic display mode.
Step 205, setting a static display mode to display the plurality of continuous frame data with the display control parameter of the static content in the static display mode.
Here, the display control parameter of the dynamic content is different from the display control parameter of the static content, and specifically, the difference means that the display effect of displaying the dynamic content by using the display control parameter of the dynamic content is optimal, so that the dynamic content is smoothly played without being stuck. The display effect of displaying the static content by the display control parameter of the static content is optimal, so that the static content is displayed clearly and is not blurred.
If the output multiple continuous frame data includes both dynamic content and static content in the dynamic display mode, only the display control parameters of the static content are adjusted, and the display control parameters of the dynamic content are kept unchanged.
If the output multiple continuous frame data includes both dynamic content and static content in the static display mode, only the display control parameter of the dynamic content is adjusted, and the display control parameter of the static content is kept unchanged.
In another implementation, if the output multiple continuous frame data includes both dynamic content and static content, the electronic ink screen may be set in a mixed display mode, and in the mixed display mode, the display control parameter of the dynamic content is adjusted, so that the dynamic content achieves the optimal display effect. And adjusting the display control parameters of the static content to enable the static content to achieve the best display effect. Therefore, when the static content and the dynamic content are output simultaneously on the same screen, the static content can be clear and not blurred, and the dynamic content can be smooth and not blocked.
Fig. 3 is a schematic structural diagram of a control device in the present application, and as shown in fig. 3, the electronic device includes:
an obtaining unit 301, configured to obtain content to be output;
a control unit 302, configured to control a display mode of a display screen of an electronic device based on at least an output parameter of the content to be output, where the display screen includes an electronic ink screen;
the output unit 303 is configured to output the content to be output to a display area of the display screen correspondingly;
the display screen can operate different display modes in different display areas corresponding to contents to be output with different output parameters, and the display control parameters of the different display areas are different in the different display modes.
In a preferred embodiment, the control device further includes:
a determining unit 304, configured to determine an output parameter of the content to be output;
the control unit 302 is specifically configured to, if the output parameter indicates that the content to be output includes content with different attributes, control an electronic ink screen of the electronic device to be divided into at least two display areas, and control the at least two display areas to operate in different display modes; or if the output parameter represents that the content to be output is the same attribute content, controlling an electronic ink screen of the electronic equipment to maintain a current display mode, or controlling the electronic ink screen of the electronic equipment to switch to a display mode corresponding to the attribute.
In a preferred embodiment, the control unit 302 is further configured to control the electronic ink screen and the first display screen to operate different display modes respectively, or control different areas of the electronic ink screen and the first display screen to operate different display modes respectively, if the output parameter indicates that the content to be output includes different attribute content and the display screen further includes a first display screen different from the electronic ink screen.
In a preferred embodiment, the obtaining unit 301 is further configured to obtain a continuous multi-frame image rendered by the graphics processor;
the determining unit 304 is specifically configured to determine, based on image content change information in the consecutive multi-frame images, an output parameter of the content to be output, where the output parameter is capable of characterizing that the content to be output includes dynamic content and/or static content, and an output parameter corresponding to the dynamic content is different from an output parameter corresponding to the static content.
In a preferred embodiment, the determining unit 304 is specifically configured to determine the output parameter of the content to be output based on a comparison result between a first image parameter difference between two adjacent frames of images in the connected multiple frames of images and a first preset value; or determining a second image parameter difference between a first frame image and a second frame image in the connected multi-frame images and a third image parameter difference between the second frame image and a third frame image; the first frame image and the second frame image are adjacent frame images, and the second frame image and the third frame image are adjacent frame images; determining output parameters of the content to be output based on comparison results of the second image parameter difference and the third image parameter difference with the first preset value respectively; or determining the output parameter of the content to be output based on the comparison result of the occurrence frequency of the first gray value of the first frame image in the continuous multi-frame images and a second preset value; or determining a first pixel value of a first frame image and a second pixel value of a second frame image in the continuous multi-frame images; determining an output parameter of the content to be output based on a condition satisfied by a comparison result of the first pixel value and the second pixel value.
In a preferred embodiment, the obtaining unit 301 is further configured to obtain display layout information of the content with different attributes in the content to be output; and obtaining configuration information of the electronic ink screen;
the control unit 302 is further configured to divide the electronic ink screen into at least two display areas corresponding to different attribute contents based on the display layout information and the configuration information, and drive different display areas to operate with different display control parameters.
In a preferred embodiment, the control unit 302 is further configured to control the electronic ink screen and the first display screen to run different display modes respectively based on output parameters corresponding to different attribute contents and screen information of the display screen.
In a preferred embodiment, the output unit 303 is further specifically configured to respectively display and output static content and dynamic content in the content to be output to a first display area and a second display area of an electronic ink screen, where a refresh rate of the first display area is lower than a refresh rate of the second display area.
In a preferred embodiment, the obtaining unit 301 is further configured to obtain identity information of a user of the electronic device;
the output unit 303 is further configured to output the content to be output to different display areas of the display screen based on the identity information.
It should be noted that: the control device provided in the above embodiment is only exemplified by the division of the program modules when controlling the output and display of the content with different attributes, and in practical applications, the processing distribution may be completed by different program modules according to needs, that is, the internal structure of the device may be divided into different program modules to complete all or part of the processing described above. In addition, the control device and the control method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments and are not described herein again.
Fig. 4 is a schematic structural composition diagram of a control device in the present application, as shown in fig. 4, the control device includes: a CPU 401, a coprocessor 402, a translator 403, a signal controller 404, a dynamic random access controller 405, and an electronic ink screen 406; the CPU 401 includes a unified memory architecture (UMA 4011), and the coprocessor 402 includes a GPU4021 and a VPU 4022.
Specifically, the GPU4021 and the VPU4022 may be connected to the UMA4011 in the CPU 401 through a PCIe bus, so as to read continuous multi-frame data (for example, the first ten frame data) buffered in the display buffer from the UMA4011, and determine the dynamic display area and the static display area through a certain algorithm according to content change information of front and rear data in the continuous multi-frame data. Then UMA4011 may also send continuous multi-frame data obtained by VPU4022 and dynamic and/or static results determined by GPU4021 and VPU4022 to converter 403 through eDP interface, and convert continuous multi-frame data into data in target format by converter 403. Alternatively, in other embodiments, after determining the dynamic and/or static result, the GPU4021 and the VPU4022 may directly send the corresponding frame data to the converter 403 through the eDP channel, and the converter 403 may convert the continuous multi-frame data into the data in the target format.
Here, after the converter 403 completes format conversion on the continuous multi-frame data, the data in the target format may also be sent to the dynamic random access controller 405 in the array of programmable logic gates through the LVDS interface for temporary storage, and the signal controller 404 in the array of programmable logic gates configures different display control parameters for the data temporarily stored in the dynamic random access controller 405 in the corresponding display area. For example, the display control parameters include parameters such as a gray value and a refresh rate, where the gray value allocated to the dynamic display area is 5 and the refresh rate is 8; the gray scale value assigned to the static display area is 8 and the refresh rate is 2. And then outputting continuous multi-frame data to be output to a driver of the electronic ink screen 406 through the Mini-LVDS interface so as to drive the electronic ink screen 406 to output corresponding display content in a corresponding display area. Therefore, the dynamic content and the static content which are simultaneously output on the same screen can achieve the best display effect, and the screen experience of a user is improved.
An embodiment of the present application further provides an electronic device, which includes: a processor and a memory for storing a computer program operable on the processor, wherein the processor is configured to perform any of the implementations of the control method described above when executing the computer program.
Fig. 5 is a schematic structural diagram of an electronic device 500 according to the present application, where the electronic device may be a mobile phone, a computer, a digital broadcast terminal, an information transceiver, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like. The electronic device 500 shown in fig. 5 includes: at least one processor 501, memory 502, at least one network interface 504, and a user interface 503. The various components in the electronic device 500 are coupled together by a bus system 505. It is understood that the bus system 505 is used to enable connection communications between these components. The bus system 505 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 505 in FIG. 5.
The user interface 503 may include a display, a keyboard, a mouse, a trackball, a click wheel, a key, a button, a touch pad, a touch screen, or the like, among others.
It will be appreciated that the memory 502 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memory 502 described in embodiments herein is intended to comprise, without being limited to, these and any other suitable types of memory.
The memory 502 in the embodiments of the present application is used to store various types of data to support the operation of the electronic device 500. Examples of such data include: any computer programs for operating on the electronic device 500, such as an operating system 5021 and application programs 5022; contact data; telephone book data; a message; a picture; video, etc. The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 5022 may contain various applications such as a Media Player (Media Player), a Browser (Browser), etc. for implementing various application services. A program for implementing the method according to the embodiment of the present application may be included in the application 5022.
The method disclosed in the embodiments of the present application may be applied to the processor 501, or implemented by the processor 501. The processor 501 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 501. The Processor 501 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The processor 501 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 502, and the processor 501 reads the information in the memory 502 and performs the steps of the aforementioned methods in conjunction with its hardware.
In an exemplary embodiment, the electronic Device 500 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
In an exemplary embodiment, the present application further provides a computer readable storage medium, such as the memory 502 comprising a computer program, which can be executed by the processor 501 of the electronic device 500 to perform the steps of the foregoing method. The computer readable storage medium can be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM; or may be a variety of devices including one or any combination of the above memories, such as a mobile phone, computer, tablet device, personal digital assistant, etc.
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs any of the above-described control methods.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The methods disclosed in the several method embodiments provided in the present application may be combined arbitrarily without conflict to obtain new method embodiments.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
The features disclosed in the several method or apparatus embodiments provided in the present application may be combined arbitrarily, without conflict, to arrive at new method embodiments or apparatus embodiments.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A control method, comprising:
obtaining content to be output;
controlling a display mode of a display screen of the electronic equipment at least based on the output parameters of the content to be output, wherein the display screen comprises an electronic ink screen;
correspondingly outputting the content to be output to a display area of the display screen;
the display screen can operate different display modes in different display areas corresponding to contents to be output with different output parameters, and the display control parameters of the different display areas are different in the different display modes.
2. The method of claim 1, the controlling a display mode of a display screen of an electronic device based on at least an output parameter of the content to be output, comprising:
determining output parameters of the content to be output;
if the output parameters represent that the content to be output comprises different attribute content, controlling an electronic ink screen of the electronic equipment to be divided into at least two display areas, and controlling the at least two display areas to operate different display modes; or the like, or, alternatively,
and if the output parameters represent that the contents to be output are the same attribute contents, controlling an electronic ink screen of the electronic equipment to maintain a current display mode, or controlling the electronic ink screen of the electronic equipment to switch to the display mode corresponding to the attribute.
3. The method of claim 1, the controlling a display mode of a display screen of an electronic device based on at least an output parameter of the content to be output, comprising:
determining output parameters of the content to be output;
and if the output parameter represents that the content to be output comprises different attribute content and the display screen further comprises a first display screen different from the electronic ink screen, controlling the electronic ink screen and the first display screen to respectively operate different display modes, or controlling different areas of the electronic ink screen and the first display screen to respectively operate different display modes.
4. The method of claim 2 or 3, wherein determining output parameters of the content to be output comprises:
obtaining continuous multi-frame images rendered by a graphics processor;
determining output parameters of the content to be output based on image content change information in the continuous multi-frame images, wherein the output parameters can represent that the content to be output comprises dynamic content and/or static content, and the output parameters corresponding to the dynamic content are different from the output parameters corresponding to the static content.
5. The method of claim 4, wherein determining the output parameter of the content to be output based on the image content change information in the continuous multi-frame images comprises:
determining an output parameter of the content to be output based on a comparison result between a first image parameter difference between two adjacent frames of images in the connected multi-frame images and a first preset value;
or determining a second image parameter difference between a first frame image and a second frame image in the connected multi-frame images and a third image parameter difference between the second frame image and a third frame image; the first frame image and the second frame image are adjacent frame images, and the second frame image and the third frame image are adjacent frame images; determining output parameters of the content to be output based on comparison results between the second image parameter difference and the third image parameter difference and the first preset value respectively;
or determining the output parameter of the content to be output based on the comparison result between the occurrence frequency of the first gray value of the first frame image in the continuous multi-frame images and a second preset value;
or determining a first pixel value of a first frame image and a second pixel value of a second frame image in the continuous multi-frame images; determining an output parameter of the content to be output based on a condition satisfied by a result of the comparison between the first pixel value and the second pixel value.
6. The method of claim 2, wherein controlling the display area of the electronic ink screen to run different display modes comprises:
obtaining display layout information of the contents with different attributes in the contents to be output;
obtaining configuration information of the electronic ink screen;
and dividing the electronic ink screen into at least two display areas corresponding to different attribute contents based on the display layout information and the configuration information, and driving different display areas to operate according to different display control parameters.
7. The method of claim 3, wherein controlling the electronic ink screen and the first display screen to run different display modes, respectively, comprises:
and controlling the electronic ink screen and the first display screen to respectively run different display modes based on output parameters corresponding to different attribute contents and the screen information of the display screen.
8. The method according to any one of claims 1, 2, 3 or 6, wherein correspondingly outputting the content to be output to a display area of the display screen comprises:
respectively displaying and outputting static content and dynamic content in the content to be output to a first display area and a second display area of an electronic ink screen, wherein the refresh rate of the first display area is lower than that of the second display area; or the like, or, alternatively,
and acquiring identity information of a user of the electronic equipment, and correspondingly outputting the content to be output to different display areas of the display screen based on the identity information.
9. A control device, the device comprising:
an acquisition unit configured to acquire a content to be output;
a control unit, configured to control a display mode of a display screen of an electronic device based on at least an output parameter of the content to be output, where the display screen includes an electronic ink screen;
the output unit is used for correspondingly outputting the content to be output to a display area of the display screen;
the display screen can operate different display modes in different display areas corresponding to contents to be output with different output parameters, and the display control parameters of the different display areas are different in the different display modes.
10. An electronic device, comprising: a processor and a memory for storing a computer program operable on the processor, wherein the processor is operable to perform the method steps of any of claims 1 to 8 when the computer program is executed.
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CN116665602B (en) * 2023-05-29 2024-01-09 汉王科技股份有限公司 Method and device for removing residual shadows of electronic ink screen and electronic equipment

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Application publication date: 20220429