CN113900616B - Method and device for displaying static picture of electronic ink screen as computer display - Google Patents
Method and device for displaying static picture of electronic ink screen as computer display Download PDFInfo
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- G06—COMPUTING; CALCULATING OR COUNTING
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- 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
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/165—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- 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
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Abstract
The embodiment of the application discloses a method and a device for displaying a static picture of an electronic ink screen serving as a computer display. According to the technical scheme provided by the embodiment of the application, the switching between the video picture display mode and the static picture display mode is carried out according to the received instruction; displaying and playing the picture information data received in real time in the video picture display mode; and under the static picture display mode, storing the picture information data received in real time into a buffer queue, comparing the variation of the video picture pixel of the latest frame in the buffer queue with the variation of the static picture pixel currently displayed on the display screen in real time, and storing the video picture of the latest frame into a static picture display layer for displaying when the variation of the pixel exceeds a threshold value. The embodiment of the application can solve the problem that the static image display effect is unsatisfactory due to the fact that the display quality of the electronic ink screen is reduced as a computer display, improves the display quality and improves the static image display effect.
Description
Technical Field
The embodiment of the application relates to the technical field of electronic ink screen display, in particular to a method and a device for displaying a static picture of an electronic ink screen serving as a computer display.
Background
The technology of electronic ink screen dates back to 1996 at the earliest, and the technology is based on a research of Media Lab (MIT Media Lab) of the american college of technology of massages, and displays are realized by using electrophoresis technology (EPD), and the display effect of the screen is very close to that of the traditional paper, so the screen is also called electronic paper.
The electronic ink is similar to the ink used for printing and is made of pigment, which is why the electronic ink screen is similar to the display effect of the traditional paper. Electronic inks are typically manufactured as thin films, consisting of a large number of microcapsules that are only the size of the diameter of human hair. The black and white globules in the microcapsule are pigment particles with different charges, the pigment particles are suspended in the microcapsule in an initial state, when an electric field in a certain direction is applied, the corresponding pigment particles are pushed to the top, the microcapsule can display different colors, and the microcapsules with different colors form various characters and patterns.
Because of the characteristics of the electronic ink screen, the screen refreshing speed is slow, so the electronic ink screen is generally used for reading scenes with more static pictures, and cannot directly replace a liquid crystal screen as a computer display.
Disclosure of Invention
The embodiment of the application provides a method and a device for displaying a static picture of an electronic ink screen serving as a computer display, which can solve the problem that the static picture display effect is not ideal due to the reduction of the display quality caused by the electronic ink screen serving as the computer display, improve the display quality and improve the static picture display effect.
In a first aspect, an embodiment of the present application provides a method for displaying a static image of an electronic ink screen as a computer display, including:
switching between a video picture display mode and a static picture display mode according to the received instruction;
displaying and playing the picture information data received in real time in the video picture display mode;
and under the static picture display mode, storing the picture information data received in real time into a buffer queue, comparing the variation of the picture pixel of the latest frame in the buffer queue with the variation of the static picture pixel currently displayed on the display screen in real time, and storing the picture of the latest frame into a static picture display layer for displaying when the variation of the pixel exceeds a threshold value.
Further, the switching between the video picture display mode and the still picture display mode according to the received instruction specifically includes:
receiving an instruction of entering a video picture display mode, and entering the video picture display mode;
and receiving an instruction of entering a static picture display mode, and entering the static picture display mode.
Further, the variation of the pixels includes a color value variation of a single pixel and/or a number variation of changed pixels.
Further, the method further comprises:
and in the static picture display mode, updating and replacing the static display picture according to the received picture updating command.
In a second aspect, an embodiment of the present application provides an electronic ink screen static image display device as a computer display, including:
the mode switching module is used for switching a video picture display mode and a static picture display mode according to the received instruction;
the video picture display module is used for displaying and playing the picture information data received in real time in the video picture display mode;
and the static picture display module is used for storing the picture information data received in real time in a buffer queue in the static picture display mode, comparing the variation of the picture pixel of the latest frame in the buffer queue with the variation of the static picture pixel currently displayed by the display screen in real time, and storing the picture of the latest frame in the static picture display layer for displaying when the variation of the pixel exceeds a threshold value.
Further, the mode switching module is further configured to receive an instruction to enter a video picture display mode, and enter the video picture display mode;
and receiving an instruction of entering a static picture display mode, and entering the static picture display mode.
Further, the variation of the pixels includes a color value variation of a single pixel and/or a number variation of changed pixels.
Further, the apparatus further comprises:
and the static picture switching module is used for updating and replacing the static display picture according to the received picture updating command in the static picture display mode.
In a third aspect, an embodiment of the present application provides an electronic device, including:
a memory and one or more processors;
the memory for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the method for displaying a static image of an electronic ink screen as a computer display according to the first aspect.
In a fourth aspect, embodiments of the present application provide a storage medium containing computer-executable instructions for performing the method for displaying a static image of an electronic ink screen as a computer display according to the first aspect when the computer processor executes the instructions.
The method and the device for displaying the video picture switch comprises the steps of switching a video picture real-time mode and a static picture display mode according to a received instruction, displaying and playing video data received in real time in the video picture display mode, storing picture information data received in real time in a buffer queue in the static picture display mode, comparing the variation of the video picture pixel of the latest frame in the buffer queue with the variation of the static picture pixel currently displayed on a display screen in real time, and storing the video picture of the latest frame in a static picture display layer for displaying when the variation of the pixel exceeds a threshold value. By adopting the technical means, the flexible conversion between the video picture display mode and the static picture display mode is carried out through the instruction, so that different scene requirements are met. In addition, in the static picture display mode, the current static picture is always displayed when the pixel variation is not exceeded, so that the advantages of no flicker, no radiation and large visual angle of the electronic ink screen are fully exerted during static display, and the display quality of the static picture is improved; and the display of the next frame of picture is carried out when the pixel variation exceeds the threshold, and the page turning is carried out only when the pixel variation exceeds the threshold, so that the power consumption is reduced, and the service life of the product is prolonged.
Drawings
FIG. 1 is a flowchart illustrating a method for displaying a static image of an electronic ink screen as a computer monitor according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a static image display device of an electronic ink display as a computer monitor according to a second embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present application are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
The application provides a method and a device for displaying static pictures of an electronic ink screen serving as a computer display, which aim to flexibly switch a video picture display mode and a static picture display mode through an instruction so as to adapt to different scene requirements; in the static picture display mode, the current static picture is always displayed when the pixel variation is not exceeded, so that no flicker, no radiation and large visual angle are generated during static display, and the display quality of the static picture is improved; and the display of the next frame of picture is carried out when the pixel variation exceeds the threshold, and the page turning is carried out only when the pixel variation exceeds the threshold, so that the power consumption is reduced, and the service life of the product is prolonged. Compared with the conventional mode of using an electronic ink screen as a computer display, the conventional mode usually requires to reduce the quality of the screen displayed image in order to adapt to the video image display of the computer display, for example, the contrast is reduced, the afterimage is serious, and the display effect is not ideal enough when a static image is displayed. Therefore, the method for displaying the static picture of the electronic ink screen serving as the computer display is provided to solve the problem that the static picture display effect is not ideal due to the reduction of the display quality caused by the existing electronic ink screen serving as the computer display.
The first embodiment is as follows:
fig. 1 is a flowchart illustrating a method for displaying a static image of an electronic ink screen serving as a computer display according to an embodiment of the present disclosure, where the method for displaying a static image of an electronic ink screen serving as a computer display according to the present disclosure may be executed by a static image display device of an electronic ink screen serving as a computer display, the static image display device of an electronic ink screen serving as a computer display may be implemented in a software and/or hardware manner, and the static image display device of an electronic ink screen serving as a computer display may be formed by two or more physical entities or may be formed by one physical entity. Generally, the electronic ink screen static image display device as a computer display may be a terminal device, such as a computer, a mobile phone, a tablet, and the like.
The following description will be made by taking a computer as an example of a main body for executing the static image display method of the electronic ink screen as a computer display. Referring to fig. 1, the method for displaying a static image of an electronic ink screen used as a computer display specifically includes:
s101, switching between a video picture display mode and a static picture display mode according to the received instruction.
When the user needs to display the real-time picture, the user can select the video picture display mode to display. The user can input an instruction for entering the video picture display mode through the input end, and the display or the computer end enters the video picture display mode according to the received instruction for entering the video picture display mode, so that the real-time display of the real-time received picture data is realized. The user inputs an instruction for entering a video picture display mode through a hardware button connected to the display, and the display receives real-time display of picture data in real time according to the received instruction for entering the video picture display mode. A user inputs a command for entering a video picture display mode through a software button in the touch screen, and the computer end enters the video picture display mode according to the received command for entering the video picture display mode and receives real-time display of picture data in real time. When the user needs to enter the still picture display mode to improve the picture display quality, the still picture display mode can be selected for display. The user can input the instruction for entering the static picture display mode through the input end, and the computer end enters the static picture display mode according to the received instruction for entering the static picture display mode so as to display the static picture. The input terminal can be set as a hardware button, which is divided into a button for entering a video picture display mode and a button for entering a static picture display mode, or can be set as a corresponding software button in a screen, which is a button for entering the video picture display mode and a button for entering the static picture display mode.
After the user is started, any one of a video picture display mode and a static picture display mode can be selected for display, and the two modes can be switched randomly according to actual needs in the later use process.
And S102, displaying and playing the picture information data received in real time in the video picture display mode.
Under the video image display mode, the back end of the computer outputs image information data in real time through the video output interface, and the screen receives the image information data output by the video output end of the computer in real time and synchronously displays corresponding images. Under the video image display mode, when receiving an instruction of entering the static image display mode input by a user through an input end, the video image display mode exits, and the static image display mode is entered for display.
S103, under the static picture display mode, storing the picture information data received in real time in a buffer queue, comparing the variation of the video picture pixel of the latest frame in the buffer queue with the variation of the static picture pixel currently displayed on the display screen in real time, and when the variation of the pixel exceeds a threshold value, storing the video picture of the latest frame in a static picture display layer for displaying.
Illustratively, the picture data information received in real time is stored in a buffer queue in the data storage module, the video picture pixel of the latest frame in the buffer queue and the variation of the static picture pixel currently displayed on the display screen are compared in real time, when the variation of the pixel exceeds a threshold value, the video picture of the latest frame is stored in a static picture display layer for displaying, and then the compared picture frame data in the buffer queue is deleted. When the variation of the pixel does not exceed the threshold, the display screen replacement processing is not performed, and the frame data of the compared frame in the buffer queue is deleted.
And under the static picture display mode, storing the picture information data received in real time into a buffer queue, comparing the color value variation of the video picture pixel of the latest frame in the buffer queue with the color value variation of a single pixel of the static picture currently displayed by the display screen in real time, and storing the video picture of the latest frame into a static picture display layer for displaying when the color variation of a certain pixel exceeds a threshold value. For example, the color value of light pink is # FFB6C1, the color value of pink is # FFC0CB, and if the amount of change between the two values is not large, the processing is not performed; and the scarlet color value is # DC143C, and the scarlet and the light pink color value have larger variation, then updating is carried out, and the picture of the latest frame is stored and displayed by the static picture display layer. The threshold may be set according to actual conditions, and is not limited in this embodiment.
And under the static picture display mode, storing the picture information data received in real time into a buffer queue, comparing the color value variation of the video picture pixel of the latest frame in the buffer queue with the total amount of the color value variation and the quantity variation of the static picture pixel currently displayed by the display screen in real time, and storing the video picture of the latest frame into the static picture display layer for displaying when the total amount of the color value variation and the quantity variation of the pixels is over a threshold value. The color variation of the pixel and the number variation of the changed pixels occupy corresponding threshold weights, and if the color variation of a single pixel is X, the total weight of the color variations of the pixel is A, the number variation of the changed pixels is Y, the weight is B, and the total amount of the color value variation of the pixel and the number variation of the changed pixels is Z, Z = A (Σ X) + (BY). And when the total amount Z of the color value variation of the pixels and the number variation of the changed pixels exceeds a preset threshold value, storing the video picture of the latest frame to a static picture display layer for displaying. The values of the weight a and the weight B can be set according to actual situations, and are not limited in this embodiment. The threshold may be set according to actual conditions, and is not limited in this embodiment. The specific calculation formula of this embodiment is only an example, and an appropriate calculation formula may be selected according to actual situations to calculate the total amount of the color value variation of the pixel and the number variation of the changed pixel.
In an embodiment, in the still picture display mode, the picture information data received in real time is stored in a buffer queue, the number variation of the video picture pixels of the latest frame in the buffer queue and the number variation of the still picture changing pixels currently displayed on the display screen are compared in real time, and when the number variation of the changing pixels exceeds a threshold, the video picture of the latest frame is stored in the still picture display layer for display. The threshold may be set according to actual conditions, and is not limited in this embodiment.
In the static picture display mode, the data in the buffer queue is not detected in real time, and the static display picture can be updated and replaced according to the received picture updating instruction. And actively triggering to store the video picture of the latest frame to a static picture display layer for displaying by receiving an external signal.
Further, when the video image display mode and the still image display mode are switched according to the received instruction, the switching is performed in a video playing scene. When a user needs to play a video in real time, a video playing instruction is sent by turning on a video playing button, the video playing instruction is an instruction for entering a video picture display mode, and a background enters the video picture display mode according to the received instruction for entering the video picture display mode to play the video in real time. When a user needs to pause playing, clicking a pause playing button, sending a pause playing instruction, wherein the pause playing is an instruction for entering a static picture display mode, a background enters the static picture display mode according to the received instruction for entering the static picture display mode, displaying a currently played video picture frame, continuously receiving video picture information data in real time, storing the video picture information data received in real time in a buffer queue, comparing the variation of the video picture pixel of the latest frame in the buffer queue with the static picture pixel currently displayed on a display screen in real time, and when the variation of the pixel exceeds a threshold value, storing the picture of the latest frame in a static picture display layer for displaying. The variation of the pixels comprises the variation of the color value of a single pixel and/or the variation of the number of changed pixels. When the user needs to finish pausing and then play the video in real time again, the user clicks a play button and sends a play instruction, the play instruction is a switching instruction, the background exits from the static picture display mode and enters into the video picture display mode according to the received switching instruction, and the video picture is played in real time.
Further, when switching between the video screen display mode and the still screen display mode is performed according to the received instruction, there is also a scenario in which switching is applied. A corresponding application-mode comparison table is preset in a computer background and lists a display mode corresponding to each application, for example, an application A is a video player, and a corresponding display mode is a video picture display mode; the application B is a reader, and the corresponding display mode is a static picture display mode. When a user opens a certain application, the corresponding display mode is determined according to the application-mode comparison table, and a command for entering the video picture display mode or a command for entering the static picture display mode is sent according to the determined display mode to enter the corresponding video picture display mode or the static picture display mode. For example, when a user opens an application a (video player), and determines that the display mode of the application a is the video picture display mode according to the application-mode comparison table, an instruction for entering the video picture display mode is sent, and the background enters the video picture display mode according to the received instruction for entering the video picture display mode, so as to display video picture data in real time. When a user opens an application B (reader), the display mode of the application B is determined to be a static picture display mode according to an application-mode comparison table, a command for entering the static picture display mode is sent, a background enters the static picture display mode according to the received command for entering the static picture display mode, the background receives real-time picture data of a read picture in real time, the real-time received picture information data is stored in a buffer queue, the picture pixel of the latest frame in the buffer queue is compared with the variation of the static picture pixel currently displayed by a display screen in real time, and when the variation of the pixel exceeds a threshold value, the picture of the latest frame is stored in a static picture display layer for display. Or when the user needs to turn pages, clicking a page turning button to send an image updating instruction, and updating and replacing the static display image according to the received image updating instruction, namely updating to the next page for reading. Or the user sends the operation of suspending implementation comparison and comparison of the variation of the picture pixel of the latest frame in the buffer queue and the static picture pixel currently displayed on the display screen by clicking a corresponding button which does not automatically detect the data of the buffer queue, when the user clicks the detection button, a detection instruction is sent, the background compares the variation of the picture pixel of the latest frame in the buffer queue and the static picture pixel currently displayed on the display screen in real time according to the received detection instruction, and when the variation of the pixel exceeds a threshold value, the picture of the latest frame is stored in a static picture display layer for display; when the pixel variation does not exceed the threshold, the update display processing is not performed.
In an embodiment, when the application a is used, the video screen display mode is entered, the user suddenly switches to the application B, and the background can switch the corresponding display mode according to the switching instruction. When a user clicks and switches to an application B, determining that the display mode of the application B is a static picture display mode according to an application-mode comparison table, sending a command for entering the static picture display mode, entering the static picture display mode according to the received command for entering the static picture display mode by a background, receiving real-time picture data of a reading picture by the background in real time, storing the real-time received picture information data in a buffer queue, comparing the variation of a picture pixel of a latest frame in the buffer queue with the variation of the static picture pixel currently displayed by a display screen in real time, and storing the picture of the latest frame in a static picture display layer for displaying when the variation of the pixel exceeds a threshold value.
In an embodiment, when the application B is used, the static screen display mode is entered, the user suddenly switches to the application a, and the background can switch the corresponding display mode according to the switching instruction. When a user clicks and switches to the application A, the display mode of the application A is determined to be a video picture display mode according to the application-mode comparison table, then a command for entering the video picture display mode is sent, the background enters the video picture display mode according to the received command for entering the video picture display mode, and video picture data are displayed in real time.
The switching between the video picture real-time mode and the static picture display mode is performed according to the received instruction, the video data received in real time is displayed and played in the video picture display mode, the picture information data received in real time is stored in the buffer queue in the static picture display mode, the video picture pixel of the latest frame in the buffer queue is compared with the variation of the static picture pixel currently displayed on the display screen in real time, and when the variation of the pixel exceeds the threshold value, the video picture of the latest frame is stored in the static picture display layer for displaying. By adopting the technical means, the flexible conversion between the video picture display mode and the static picture display mode is carried out through the instruction, so that different scene requirements are met. In addition, in the static picture display mode, the current static picture is always displayed when the pixel variation is not exceeded, so that the advantages of no flicker, no radiation and large visual angle of the electronic ink screen are fully exerted during static display, and the display quality of the static picture is improved; and the display of the next frame of picture is carried out when the pixel variation exceeds the threshold, and the page turning is carried out only when the pixel variation exceeds the threshold, so that the power consumption is reduced, and the service life of the product is prolonged.
Example two:
on the basis of the above embodiments, fig. 2 is a schematic structural diagram of an electronic ink screen static image display device serving as a computer display according to the second embodiment of the present application. Referring to fig. 2, the electronic ink screen static image display device provided in this embodiment as a computer display specifically includes: a mode switching module 21, a video screen display module 22, and a still screen display module 23.
The mode switching module 21 is configured to switch between a video picture display mode and a still picture display mode according to a received instruction;
the video image display module 22 is configured to display and play image information data received in real time in the video image display mode;
the still picture display module 23 is configured to store the picture information data received in real time in a buffer queue in the still picture display mode, compare the variation of the video picture pixel of the latest frame in the buffer queue with the variation of the still picture pixel currently displayed on the display screen in real time, and store the video picture of the latest frame in the still picture display layer for display when the variation of the pixel exceeds a threshold.
Further, the mode switching module 21 is further configured to receive a play instruction and perform a video picture display mode; receiving a switching instruction, exiting a video picture display mode, and switching to a static picture display mode; and receiving an exit instruction, exiting the static picture display mode, and switching to the video picture display mode.
Further, the variation of the pixels includes a color value variation of a single pixel and/or a number variation of changed pixels.
Further, the apparatus further comprises:
and the static picture switching module is used for updating and replacing the static display picture according to the received picture updating command in the static picture display mode.
The switching between the video picture real-time mode and the static picture display mode is performed according to the received instruction, the video data received in real time is displayed and played in the video picture display mode, the picture information data received in real time is stored in the buffer queue in the static picture display mode, the video picture pixel of the latest frame in the buffer queue is compared with the variation of the static picture pixel currently displayed on the display screen in real time, and when the variation of the pixel exceeds the threshold value, the video picture of the latest frame is stored in the static picture display layer for displaying. By adopting the technical means, the flexible conversion between the video picture display mode and the static picture display mode is carried out through the instruction, so that different scene requirements are met. In addition, in the static picture display mode, the current static picture is always displayed when the pixel variation is not exceeded, so that the advantages of no flicker, no radiation and large visual angle of the electronic ink screen are fully exerted during static display, and the display quality of the static picture is improved; and the display of the next frame of picture is carried out when the pixel variation exceeds the threshold, and the page turning is carried out only when the pixel variation exceeds the threshold, so that the power consumption is reduced, and the service life of the product is prolonged.
The electronic ink screen static picture display device serving as the computer display provided by the second embodiment of the application can be used for executing the electronic ink screen static picture display method serving as the computer display provided by the first embodiment of the application, and has corresponding functions and beneficial effects.
Example three:
an embodiment of the present application provides an electronic device, and with reference to fig. 3, the electronic device includes: a processor 31, a memory 32, a communication module 33, an input device 34, and an output device 35. The number of processors in the electronic device may be one or more, and the number of memories in the electronic device may be one or more. The processor, memory, communication module, input device, and output device of the electronic device may be connected by a bus or other means.
The memory 32 is a computer readable storage medium, and can be used for storing software programs, computer executable programs, and modules, such as program instructions/modules corresponding to the method for displaying a static image on an electronic ink screen of a computer display according to any embodiment of the present application (for example, a mode switching module, a video image display module, and a static image display module in an electronic ink screen static image display apparatus of a computer display). The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system and an application program required by at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The communication module 33 is used for data transmission.
The processor 31 executes various functional applications and data processing of the device by running software programs, instructions and modules stored in the memory, so as to realize the above-mentioned static image display method of the electronic ink screen as a computer display.
The input device 34 may be used to receive entered numeric or character information and to generate key signal inputs relating to user settings and function controls of the apparatus. The output device 35 may include a display device such as a display screen.
The electronic device provided by the above embodiment can be used to execute the method for displaying the static image of the electronic ink screen serving as the computer display provided by the above embodiment, and has corresponding functions and beneficial effects.
Example four:
the embodiment of the present application further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for displaying a static image of an electronic ink screen as a computer display, where the method for displaying a static image of an electronic ink screen as a computer display includes: switching between a video picture display mode and a static picture display mode according to the received instruction; displaying and playing the picture information data received in real time in the video picture display mode; and under the static picture display mode, storing the picture information data received in real time into a buffer queue, comparing the variation of the video picture pixel of the latest frame in the buffer queue with the variation of the static picture pixel currently displayed on the display screen in real time, and storing the video picture of the latest frame into a static picture display layer for displaying when the variation of the pixel exceeds a threshold value.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the internet). The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media residing in different locations, e.g., in different computer systems connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application and containing computer-executable instructions is not limited to the method for displaying a static image of an electronic ink screen as a computer display described above, and may also perform related operations in the method for displaying a static image of an electronic ink screen as a computer display provided in any embodiments of the present application.
The electronic ink screen static image display device, the storage medium and the electronic device provided in the above embodiments may execute the electronic ink screen static image display method provided in any embodiment of the present application, and reference may be made to the electronic ink screen static image display method provided in any embodiment of the present application without detailed technical details in the above embodiments.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. The present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.
Claims (8)
1. The method for displaying the static picture of the electronic ink screen as the computer display is characterized by comprising the following steps:
receiving an application switching instruction, and switching a video picture display mode and a static picture display mode according to the received application switching instruction and a preset application-mode comparison table;
displaying and playing the picture information data received in real time in the video picture display mode;
under the static picture display mode, storing the picture information data received in real time into a buffer queue, comparing the total amount of the color value variation quantity and the quantity variation quantity of the static picture pixels currently displayed by a display screen with the picture pixels of the latest frame in the buffer queue in real time, and storing the picture of the latest frame into a static picture display layer for displaying when the total amount of the color value variation quantity and the quantity variation quantity of the pixels which are changed exceeds a threshold value;
wherein, the color variation of a single pixel is X, the total weight of the color variations of the pixel is a, the number variation of the changed pixels is Y, the weight is B, and the total amount of the color numerical variation of the pixel and the number variation of the changed pixels is Z, then Z = a (Σ X) + (BY).
2. The method for displaying a static image on an electronic ink screen as a computer monitor according to claim 1, further comprising:
receiving an instruction of entering a video picture display mode, and entering the video picture display mode;
and receiving an instruction of entering a static picture display mode, and entering the static picture display mode.
3. The method for displaying a static image on an electronic ink screen as a computer monitor according to claim 1, further comprising:
and in the static picture display mode, updating and replacing the static display picture according to the received picture updating command.
4. As the static picture display device of electronic ink screen of the computer display, characterized by, including:
the mode switching module is used for receiving an application switching instruction and switching a video picture display mode and a static picture display mode according to the received application switching instruction and a preset application-mode comparison table;
the video picture display module is used for displaying and playing the picture information data received in real time in the video picture display mode;
the static picture display module is used for storing the picture information data received in real time in a buffer queue under the static picture display mode, comparing the color value variation of the picture pixel of the latest frame in the buffer queue with the total amount of the quantity variation of the static picture pixel currently displayed by the display screen in real time, and storing the picture of the latest frame to the static picture display layer for displaying when the total amount of the color value variation of the pixel and the quantity variation of the changed pixel exceeds a threshold value;
wherein, the color variation of a single pixel is X, the total weight of the color variations of the pixel is a, the number variation of the changed pixels is Y, the weight is B, and the total amount of the color numerical variation of the pixel and the number variation of the changed pixels is Z, then Z = a (Σ X) + (BY).
5. The apparatus as claimed in claim 4, wherein the mode switching module is further configured to receive a command for entering a video display mode, and enter the video display mode;
and receiving an instruction of entering a static picture display mode, and entering the static picture display mode.
6. The electronic ink screen static image display device as computer monitor of claim 4, wherein said device further comprises:
and the static picture switching module is used for updating and replacing the static display picture according to the received picture updating command in the static picture display mode.
7. An electronic device, comprising:
a memory and one or more processors;
the memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-3.
8. A storage medium containing computer-executable instructions for performing the method of any one of claims 1-3 when executed by a computer processor.
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| CN115312006B (en) * | 2022-07-12 | 2024-02-20 | 广州文石信息科技有限公司 | Electronic ink screen driving method, ink screen device and storage medium |
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