CN114201627A - Display method, device and equipment for electronic ink screen and storage medium - Google Patents
Display method, device and equipment for electronic ink screen and storage medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/51—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The embodiment of the application belongs to the technical field of display, and relates to a display method, a device, computer equipment and a storage medium for an electronic ink screen, wherein the display method comprises the following steps: acquiring an image refreshing instruction corresponding to current image data, which is triggered by a user through the electronic ink screen; carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed; preprocessing the image data to be displayed to obtain preprocessed image data; performing pixel comparison operation on the current image data and the preprocessed image data to obtain index data; constructing target image data according to the index data; and outputting the target image data according to the MIPI DSI display module. The method for driving the ink screen on most of the SOC can be used, the SOC optional range of the ink screen product is expanded, particularly on a high-end SOC, and the cost and the power consumption are lower.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display method and apparatus for an electronic ink screen, a computer device, and a storage medium.
Background
The ink screen (electronic paper) is made of a charged black-white capsule, and has the characteristics of power consumption during driving, power failure after driving and image maintenance for several months. Therefore, driving the ink panel requires a special timing unlike driving the liquid crystal panel (LCD).
In the existing display method for driving an ink screen, an SOC with a controller (EPDC) specially driving the ink screen is used to light the ink screen or to externally attach an EPDC chip.
However, the conventional method for driving the ink screen display generally results in a greatly reduced optional range of the SOC, and particularly, such an EPDC module is not integrated on a high-end SOC chip, and if a special EPDC is externally hung, not only is the cost high, but also the sleep power consumption is increased a lot. Therefore, the conventional method for driving the ink screen display has the problems of high cost and high power consumption.
Disclosure of Invention
An object of the embodiments of the present application is to provide a display method and apparatus for an electronic ink screen, a computer device, and a storage medium, so as to solve the problem that the conventional display method for driving an ink screen has too high cost and power consumption.
In order to solve the above technical problem, an embodiment of the present application provides a display method for an electronic ink screen, which adopts the following technical solutions:
acquiring an image refreshing instruction corresponding to current image data, which is triggered by a user through the electronic ink screen;
carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed;
preprocessing the image data to be displayed to obtain preprocessed image data;
performing pixel comparison operation on the current image data and the preprocessed image data to obtain index data;
constructing target image data according to the index data;
and outputting the target image data according to the MIPI DSI display module.
In order to solve the above technical problem, an embodiment of the present application further provides a display device for an electronic ink screen, which adopts the following technical solutions:
the instruction acquisition module is used for acquiring an image refreshing instruction which is triggered by a user through the electronic ink screen and corresponds to the current image data;
the drawing module is used for carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed;
the preprocessing module is used for preprocessing the image data to be displayed to obtain preprocessed image data;
the index module is used for carrying out pixel comparison operation on the current image data and the preprocessed image data to obtain index data;
the encoding module is used for constructing target image data according to the index data;
and the display module is used for outputting the target image data according to the MIPI DSI display module.
In order to solve the above technical problem, an embodiment of the present application further provides a computer device, which adopts the following technical solutions:
comprising a memory having computer readable instructions stored therein and a processor implementing the steps of the display method for an electronic ink screen as described above when executing the computer readable instructions.
In order to solve the above technical problem, an embodiment of the present application further provides a computer-readable storage medium, which adopts the following technical solutions:
the computer readable storage medium has stored thereon computer readable instructions which, when executed by a processor, implement the steps of the display method for an electronic ink screen as described above.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the application provides a display method for an electronic ink screen, which comprises the following steps: acquiring an image refreshing instruction corresponding to current image data, which is triggered by a user through the electronic ink screen; carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed; preprocessing the image data to be displayed to obtain preprocessed image data; performing pixel comparison operation on the current image data and the preprocessed image data to obtain index data; constructing target image data according to the index data; and outputting the target image data according to the MIPI DSI display module. When the upper-layer application responds to an external event, the application triggers the drawing module to draw, for example, clicking the reading app to turn pages. After drawing is finished, the drawing module transmits the image data to the image preprocessing module, and regularization and effect processing are carried out on the image. And further sending the processing result to an index module for index calculation to obtain an index value of the image. After receiving the index value, the coding module searches waveform data, forms complete ink screen time sequence data together with the time sequence data and sends the complete ink screen time sequence data to a display module (MIPI DSI), and therefore refreshing of the whole image data is completed.
Drawings
In order to more clearly illustrate the solution of the present application, the drawings needed for describing the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is an exemplary system architecture diagram in which the present application may be applied;
FIG. 2 is a flowchart of an implementation of a display method for an electronic ink screen according to an embodiment of the present disclosure;
FIG. 3 is a flowchart of one embodiment of step S205 of FIG. 2;
fig. 4 is a schematic structural diagram of a display device for an electronic ink screen according to a second embodiment of the present application;
fig. 5 is a schematic structural diagram of an embodiment of an encoding module 250 provided in the second embodiment of the present application;
FIG. 6 is a schematic block diagram of one embodiment of a computer device according to the present application.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, the system architecture 100 may include a MIPI DSI101, a timing conversion circuit 102 and an ink screen 103, wherein the MIPI DSI101 refers to a display interface using MIPI protocol, and most tablet/mobile phones SOC have the module for pointing a liquid crystal screen supporting MIPI protocol; the time sequence conversion circuit 102 is used for converting the MIPI signal into a standard RGB signal, and meanwhile, reversing certain output levels according to the time sequence requirement of an ink screen; the ink screen 103 is a screen capable of displaying only 16 gray scales, is composed of black and white charged capsules, and has the characteristic that a display picture does not disappear after power failure.
With continuing reference to fig. 2, a flowchart of an implementation of a display method for an electronic ink screen provided in an embodiment of the present application is shown, and for convenience of explanation, only the portions relevant to the present application are shown.
The display method for the electronic ink screen comprises the following steps:
step S201: and acquiring an image refreshing instruction which is triggered by a user through an electronic ink screen and corresponds to the current image data.
In the embodiment of the present application, the electronic ink screen refers to a screen using electronic ink. Ink screens are also known as electronic paper display technology. The ink screen is composed of two substrates, on which an electronic ink composed of countless tiny transparent particles is coated, the particles are formed by sealing a plurality of black and white particles with positive and negative electricity in an internal liquid microcapsule, the charged particles with different colors can move towards different directions due to different applied electric fields, and the black or white effect is presented on the surface of the display screen.
In the embodiment of the application, a user can trigger an image refreshing instruction for refreshing current image data in the screen on the electronic ink screen through clicking, sliding and other operations.
Step S202: and carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed.
Step S203: and carrying out preprocessing operation on the image data to be displayed to obtain preprocessed image data.
In the embodiment of the present application, the preprocessing operation is mainly used for preprocessing the image according to different modes or different display requirements of the upper layer. The preprocessing operations include, but are not limited to, color-to-picture image processing, image binarization processing, 2-grayscale dithering processing, 4-grayscale dithering processing, 16-grayscale dithering processing, image gamma processing, image brightness adjustment, image saturation processing, and the like.
Step S204: and carrying out pixel comparison operation on the current image data and the preprocessed image data to obtain index data.
In the embodiment of the present application, the pixel comparison operation is mainly to perform per-pixel comparison with the current preprocessed image according to the previous preprocessed image, so as to form an index table. For example, in the (x, y) coordinate, the gray value of the previous image is G0, and the gray value of the current image is G1, then the index value index is (G0&0xf0) | (G1> > 4). The index value will be used to index the waveform file data in preparation for faster encoding by the encoding module.
Step S205: and constructing target image data according to the index data.
In the embodiment of the application, the target image data is constructed according to the index data, namely, pixel index operation is carried out in the waveform file according to the index data to obtain target image pixels; and performing time sequence combination operation on the target image pixels according to the time sequence data to obtain the target image data.
Step S206: and outputting target image data according to the MIPI DSI display module.
In the embodiment of the application, after the target image data is obtained, the time sequence and the data required by the ink screen can be obtained through the output and conversion circuit of the MIPI DSI display module, so that the ink screen is lightened.
In an embodiment of the present application, a display method for an electronic ink screen is provided, including: acquiring an image refreshing instruction corresponding to current image data, which is triggered by a user through an electronic ink screen; carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed; preprocessing image data to be displayed to obtain preprocessed image data; performing pixel comparison operation on the current preprocessed image data and the last preprocessed image data to obtain index data; constructing target image data according to the index data; and outputting target image data according to the MIPI DSI display module. When the upper-layer application responds to an external event, the application triggers the drawing module to draw, for example, clicking the reading app to turn pages. After drawing is finished, the drawing module transmits the image data to the image preprocessing module, and regularization and effect processing are carried out on the image. And further sending the processing result to an index module for index calculation to obtain an index value of the image. After receiving the index value, the coding module searches waveform data, forms complete ink screen time sequence data together with the time sequence data and sends the complete ink screen time sequence data to a display module (MIPI DSI), and therefore refreshing of the whole image data is completed.
Continuing to refer to fig. 3, a flowchart of one embodiment of step S205 of fig. 2 is shown, and for convenience of illustration, only the relevant portions of the present application are shown.
In some optional implementation manners of this embodiment, the step S205 specifically includes:
step S301: and carrying out pixel index operation in the waveform file according to the index data to obtain the target image pixel.
In the embodiment of the present application, the waveform file is a data file provided by an ink screen factory, and the waveform file includes level data and transmission times required to be transmitted when the Gx gray scale is displayed as the Gy gray scale.
In this embodiment, the pixel indexing operation refers to querying the waveform file according to the index value of the whole image calculated from the index data, so as to obtain the driving data of the ink screen. And repeating the calculation for all pixels of the whole image to obtain the target image pixel.
Step S302: and performing time sequence combination operation on the target image pixels according to the time sequence data to obtain the target image data.
In the embodiment of the present application, after the target image pixel is obtained, the data required by the ink screen, that is, the target image data, can be obtained by combining the time series data.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware associated with computer readable instructions, which can be stored in a computer readable storage medium, and when executed, can include processes of the embodiments of the methods described above. The storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Access Memory (RAM).
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
Example two
With further reference to fig. 4, as an implementation of the method shown in fig. 2, the present application provides an embodiment of a display device for an electronic ink screen, where the embodiment of the device corresponds to the embodiment of the method shown in fig. 2, and the device may be applied to various electronic devices.
As shown in fig. 4, the display device 200 applied to the electronic ink screen of the present embodiment includes: an instruction obtaining module 210, a drawing module 220, a preprocessing module 230, an indexing module 240, an encoding module 250, and a display module 260. Wherein:
the instruction obtaining module 210 is configured to obtain an image refreshing instruction corresponding to current image data, where the image refreshing instruction is triggered by a user through an electronic ink screen;
the drawing module 220 is configured to perform a drawing operation according to the image refresh instruction to obtain image data to be displayed;
the preprocessing module 230 is configured to perform preprocessing operation on image data to be displayed to obtain preprocessed image data;
the index module 240 is configured to perform pixel comparison operation on the current preprocessed image data and the last preprocessed image data to obtain index data;
an encoding module 250 for constructing target image data from the index data;
and the display module 260 is used for outputting the target image data according to the MIPI DSI display module.
In the embodiment of the present application, the electronic ink screen refers to a screen using electronic ink. Ink screens are also known as electronic paper display technology. The ink screen is composed of two substrates, on which an electronic ink composed of countless tiny transparent particles is coated, the particles are formed by sealing a plurality of black and white particles with positive and negative electricity in an internal liquid microcapsule, the charged particles with different colors can move towards different directions due to different applied electric fields, and the black or white effect is presented on the surface of the display screen.
In the embodiment of the application, a user can trigger an image refreshing instruction for refreshing current image data in the screen on the electronic ink screen through clicking, sliding and other operations.
In the embodiment of the present application, the preprocessing operation is mainly used for preprocessing the image according to different modes or different display requirements of the upper layer. The preprocessing operations include, but are not limited to, color-to-picture image processing, image binarization processing, 2-gray-scale dithering processing, 4-gray-scale dithering processing, 16-gray-scale dithering processing, image gamma processing, image brightness enhancement, image saturation processing, and the like.
In the embodiment of the present application, the pixel contrast operation is mainly based on the previous image, and each pixel contrast is performed with the current image, so as to form an index table. For example, in the (x, y) coordinate, the gray value of the previous image is G0, and the gray value of the current image is G1, then the index value index is (G0&0xf0) | (G1> > 4). The index value will be used to index the waveform file data in preparation for faster encoding by the encoding module.
In the embodiment of the application, the target image data is constructed according to the index data, namely, pixel index operation is carried out in the waveform file according to the index data to obtain target image pixels; and performing time sequence combination operation on the target image pixels according to the time sequence data to obtain the target image data.
In the embodiment of the application, after the target image data is obtained, the time sequence and the data required by the ink screen can be obtained through the output and conversion circuit of the MIPI DSI display module, so that the ink screen is lightened.
In an embodiment of the present application, there is provided a display device 200 for an electronic ink screen, including: the instruction obtaining module 210 is configured to obtain an image refreshing instruction corresponding to current image data, where the image refreshing instruction is triggered by a user through an electronic ink screen; the drawing module 220 is configured to perform a drawing operation according to the image refresh instruction to obtain image data to be displayed; the preprocessing module 230 is configured to perform preprocessing operation on image data to be displayed to obtain preprocessed image data; the index module 240 is configured to perform pixel comparison operation on the current preprocessed image data and the last preprocessed image data to obtain index data; an encoding module 250 for constructing target image data from the index data; and the display module 260 is used for outputting the target image data according to the MIPI DSI display module. When the upper-layer application responds to an external event, the application triggers the drawing module to draw, for example, clicking the reading app to turn pages. After drawing is finished, the drawing module transmits the image data to the image preprocessing module, and regularization and effect processing are carried out on the image. And further sending the processing result to an index module for index calculation to obtain an index value of the image. After receiving the index value, the coding module searches waveform data, forms complete ink screen time sequence data together with the time sequence data and sends the complete ink screen time sequence data to a display module (MIPI DSI), and therefore refreshing of the whole image data is completed.
Continuing to refer to fig. 5, a schematic diagram of one embodiment of the encoding module 250 of fig. 4 is shown, and for ease of illustration, only the portions relevant to the present application are shown.
In some optional implementations of this embodiment, the encoding module 250 includes:
a pixel indexing submodule 251, configured to perform pixel indexing operation in the waveform file according to the index data to obtain a target image pixel;
the time sequence combining sub-module 252 is configured to perform a time sequence combining operation on the target image pixels according to the time sequence data to obtain the target image data.
In the embodiment of the present application, the waveform file is a data file provided by an ink screen factory, and the waveform file includes level data and transmission times required to be transmitted when the Gx gray scale is displayed as the Gy gray scale.
In this embodiment, the pixel indexing operation refers to querying the waveform file according to the index value of the whole image calculated from the index data, so as to obtain the driving data of the ink screen. And repeating the calculation for all pixels of the whole image to obtain the target image pixel.
In the embodiment of the present application, after the target image pixel is obtained, the data required by the ink screen, that is, the target image data, can be obtained by combining the time series data.
In order to solve the technical problem, an embodiment of the present application further provides a computer device. Referring to fig. 6, fig. 6 is a block diagram of a basic structure of a computer device according to the present embodiment.
The computer device 300 includes a memory 310, a processor 320, and a network interface 330 communicatively coupled to each other via a system bus. It is noted that only computer device 300 having components 310 and 330 is shown, but it is understood that not all of the shown components are required and that more or fewer components may alternatively be implemented. As will be understood by those skilled in the art, the computer device is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The computer device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The computer equipment can carry out man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
The memory 310 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the storage 310 may be an internal storage unit of the computer device 300, such as a hard disk or a memory of the computer device 300. In other embodiments, the memory 310 may also be an external storage device of the computer device 300, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like, provided on the computer device 300. Of course, the memory 310 may also include both internal and external storage devices of the computer device 300. In this embodiment, the memory 310 is generally used for storing an operating system and various application software installed on the computer device 300, such as computer readable instructions for a display method of an electronic ink screen. In addition, the memory 310 may also be used to temporarily store various types of data that have been output or are to be output.
The processor 320 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor 320 is generally operative to control overall operation of the computer device 300. In this embodiment, the processor 320 is configured to execute the computer readable instructions stored in the memory 310 or process data, for example, execute the computer readable instructions for the display method of the electronic ink screen.
The network interface 330 may include a wireless network interface or a wired network interface, and the network interface 330 is generally used to establish a communication connection between the computer device 300 and other electronic devices.
According to the computer equipment, when the upper-layer application responds to the external event, the drawing module is triggered to draw, for example, the app is clicked and read, and page turning is carried out. After drawing is finished, the drawing module transmits the image data to the image preprocessing module, and regularization and effect processing are carried out on the image. And further sending the processing result to an index module for index calculation to obtain an index value of the image. After receiving the index value, the coding module searches waveform data, forms complete ink screen time sequence data together with the time sequence data, and sends the complete ink screen time sequence data to a display module (MIPI DSI), so that refreshing of the whole image data is completed.
The present application further provides another embodiment, which is to provide a computer-readable storage medium storing computer-readable instructions executable by at least one processor to cause the at least one processor to perform the steps of the display method for an electronic ink screen as described above.
When the upper-layer application responds to an external event, the computer-readable storage medium triggers the drawing module to draw, for example, clicking the reading app to turn pages. After drawing is finished, the drawing module transmits the image data to the image preprocessing module, and regularization and effect processing are carried out on the image. And further sending the processing result to an index module for index calculation to obtain an index value of the image. After receiving the index value, the coding module searches waveform data, forms complete ink screen time sequence data together with the time sequence data, and sends the complete ink screen time sequence data to a display module (MIPI DSI), so that refreshing of the whole image data is completed.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (8)
1. A display method for an electronic ink screen is characterized by comprising the following steps:
acquiring an image refreshing instruction corresponding to current image data, which is triggered by a user through the electronic ink screen;
carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed;
preprocessing the image data to be displayed to obtain preprocessed image data;
performing pixel comparison operation on the current image data and the preprocessed image data to obtain index data;
constructing target image data according to the index data;
and outputting the target image data according to the MIPIDSI display module.
2. The method for displaying on an electronic ink screen according to claim 1, wherein the step of constructing the target image data according to the index data includes the following steps:
performing pixel index operation in the waveform file according to the index data to obtain a target image pixel;
and performing time sequence combination operation on the target image pixels according to the time sequence data to obtain the target image data.
3. The display method for the electronic ink screen as claimed in claim 1, wherein the preprocessing operation includes any one or combination of but not limited to color-to-gray image processing, image binarization processing, 2 gray scale dithering processing, 4 gray scale dithering processing, 16 gray scale dithering processing, image gamma processing, image brightness adjustment and image saturation processing.
4. A display device for an electronic ink screen, comprising:
the instruction acquisition module is used for acquiring an image refreshing instruction which is triggered by a user through the electronic ink screen and corresponds to the current image data;
the drawing module is used for carrying out drawing operation according to the image refreshing instruction to obtain image data to be displayed;
the preprocessing module is used for preprocessing the image data to be displayed to obtain preprocessed image data;
the index module is used for carrying out pixel comparison operation on the current image data and the preprocessed image data to obtain index data;
the encoding module is used for constructing target image data according to the index data;
and the display module is used for outputting the target image data according to the MIPIDSI display module.
5. The display device for an electronic ink screen of claim 4, wherein the encoding module comprises:
the pixel indexing submodule is used for carrying out pixel indexing operation in the waveform file according to the index data to obtain a target image pixel;
and the time sequence combination sub-module is used for carrying out time sequence combination operation on the target image pixels according to the time sequence data to obtain the target image data.
6. The display device for electronic ink screen according to claim 4, wherein the pre-processing operation includes any one or combination of but not limited to color-to-gray image processing, image binarization processing, 2 gray dithering processing, 4 gray dithering processing, 16 gray dithering processing, image gamma processing, image brightness adjustment and image saturation processing.
7. A computer device comprising a memory having computer readable instructions stored therein and a processor, the processor implementing the steps of the display method for an electronic ink screen according to any one of claims 1 to 3 when executing the computer readable instructions.
8. A computer-readable storage medium, having computer-readable instructions stored thereon, which, when executed by a processor, implement the steps of the display method for an electronic ink screen of any one of claims 1 to 3.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116364023A (en) * | 2023-04-12 | 2023-06-30 | 广州文石信息科技有限公司 | Method, device, medium and equipment for driving electronic ink screen based on GPU |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116364023A (en) * | 2023-04-12 | 2023-06-30 | 广州文石信息科技有限公司 | Method, device, medium and equipment for driving electronic ink screen based on GPU |
| CN116364023B (en) * | 2023-04-12 | 2023-11-28 | 广州文石信息科技有限公司 | Method, device, medium and equipment for driving electronic ink screen based on GPU |
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