CN111966318A - Image display method, device, equipment and storage medium - Google Patents
Image display method, device, equipment and storage medium Download PDFInfo
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- CN111966318A CN111966318A CN202011121132.1A CN202011121132A CN111966318A CN 111966318 A CN111966318 A CN 111966318A CN 202011121132 A CN202011121132 A CN 202011121132A CN 111966318 A CN111966318 A CN 111966318A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
Abstract
The application discloses an image display method, an image display device, image display equipment and a storage medium. The method comprises the following steps: acquiring a target image of the first image, wherein the target image is composed of partial pixels in the first image; controlling liquid crystal at the position of a first pixel to turn over in a manner of matching with the pixel value of the first pixel according to the first pixel in the target image; and controlling the liquid crystal at the second pixel position to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image. The method can slow down the problem that the image is smeared due to slow liquid crystal turnover when a new image is displayed.
Description
Technical Field
The present application relates to the field of image processing, and more particularly, to an image display method, an image display apparatus, an electronic device, and a computer storage medium.
Background
At present, lcd (liquid Crystal display) displays are increasingly used in electronic devices, such as AR/VR/MR head-mounted display devices, televisions, and computers.
The LCD displays color images by adjusting the posture of 3 liquid crystals corresponding to three RGB colors on each pixel point by voltage. However, due to the inherent defect of the LCD, if the same RGB values at the same position exist in the multi-frame images continuously displayed by the LCD, for example, the images of an object existing in the multi-frame images continuously displayed by the LCD stay at the same position for a certain time, the liquid crystal at the same position will maintain the posture for the certain time. When the certain object is no longer displayed at the same position, the liquid crystal at the same position needs to be attitude-adjusted according to a new image.
However, since the liquid crystal at the same position is maintained in the same posture for a long time, it causes a problem that the inversion is slow when a new image is displayed, thereby causing image smear.
Disclosure of Invention
An object of the present application is to provide a new technical solution for image display, which can alleviate the problem of image smear caused by slow liquid crystal flipping when displaying a new image.
According to a first aspect of the present application, there is provided an image display method including:
acquiring a target image of a first image, wherein the target image is composed of partial pixels in the first image;
controlling the liquid crystal at the first pixel position to perform inversion matched with the first pixel value according to a first pixel in the target image;
and controlling the liquid crystal at the second pixel position to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image.
Optionally, the acquiring a target image of the first image includes:
acquiring the first image;
and extracting pixels from the first image according to a preset pixel interval to obtain a target image of the first image.
Optionally, the acquiring a target image of the first image includes:
acquiring the first image;
determining a pixel of which the pixel value changes at the same position in the first image as a changed pixel compared to the second image; the second image is a previous frame image of the first image;
and extracting the changed pixels from the first image to obtain a target image of the first image.
Optionally, the determining, compared to the second image, that the pixel with the pixel value change at the same position in the first image is a changed pixel includes:
and comparing the pixel value change of the same position in the first image with the pixel value change of more than a first preset threshold value with the second image, and determining the pixel value change of the same position in the first image as a change pixel.
Optionally, the extracting the changed pixels from the first image to obtain the target image of the first image includes:
judging whether the number of the changed pixels is larger than a second preset threshold value or not;
and under the condition that the image is larger than the second preset threshold, extracting changed pixels from the first image to obtain a target image of the first image.
Optionally, before the acquiring the target image of the first image, the method includes:
detecting whether a set event is triggered;
and executing the step of acquiring the target image of the first image when the setting event is triggered.
According to a second aspect of the present application, there is provided an image display apparatus comprising:
the device comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring a target image of a first image, and the target image consists of partial pixels in the first image;
the first control module is used for controlling the liquid crystal at the first pixel position to turn over in a manner of matching with the first pixel value according to the first pixel in the target image;
and the second control module is used for controlling the liquid crystal at the position of the second pixel to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image.
Optionally, the obtaining module is specifically configured to:
acquiring the first image;
and extracting pixels from the first image according to a preset pixel interval to obtain a target image of the first image.
According to a third aspect of the application, there is provided an electronic device comprising the apparatus of any of the second aspects; alternatively, the first and second electrodes may be,
comprising a memory for storing computer instructions and a processor for invoking the computer instructions from the memory for performing the method according to any of the first aspects.
According to a fourth aspect of the present application, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method according to any one of the first aspects.
In the embodiment of the application, a target image of a first image is obtained, wherein the target image is composed of a part of pixels in the first image; controlling liquid crystal at the position of a first pixel to turn over in a manner of matching with the pixel value of the first pixel according to the first pixel in the target image; and controlling the liquid crystal at the second pixel position to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image. In this way, the liquid crystal corresponding to the partial pixel of the first image is turned over in advance to display the partial image in the first image in advance. And then the first image is completely displayed. Therefore, the smear problem of the first image can be effectively reduced in a mode of turning in advance. In addition, since the frequency of images displayed by the electronic device is generally high, although the target image in the first image is displayed in advance, the human eye does not generate a visual delay.
Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic flowchart of an image display method according to an embodiment of the present application;
FIG. 2a is a schematic diagram of a pixel composition of a first image according to an embodiment of the present disclosure;
FIG. 2b is a schematic diagram illustrating a pixel composition of a target image of a first image according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an image display device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
< method examples >
The embodiment of the application provides an image display method, and an execution main body of the method can be any electronic equipment with a liquid crystal display screen. Such as televisions, computers, AR/MR/VR head mounted display devices, etc.
As shown in fig. 1, the method includes the following S101-S103:
s101, acquiring a target image of the first image.
Wherein the target image is composed of a part of pixels in the first image.
In the embodiment of the present application, the first image refers to an image that needs to be displayed in the next frame of the electronic device. The target image of the first image refers to an image composed of some (not all) pixels in the first image.
In one embodiment, the above S101 may be implemented in two ways:
the first method is as follows: including the following S1011 and S1012:
s1011, acquiring a first image.
In the embodiment of the present application, the first image may be obtained from a display buffer area composed of a VRAM (Video RAM) on a graphic display card of the electronic device.
And S1012, extracting pixels from the first image according to a preset pixel interval to obtain a target image of the first image.
In the embodiments of the present application, the interval refers to a left-right interval and/or an up-down interval of the pixel. The preset pixel interval may be set by a developer according to experience, and the embodiment of the present application is not limited thereto.
In one example, taking the case that the interval refers to a left-right interval and an up-down interval of pixels, and the pixel interval is 1, the pixel composition of the first image is as shown in fig. 2a, and the pixel composition of the target image of the first image is as shown in fig. 2 b. Here, the blank area in fig. 2 indicates that no pixel exists at the corresponding position.
The second method comprises the following steps: including the following S1013-S1015:
and S1013, acquiring a first image.
In the embodiment of the present application, the specific implementation of S1013 and S1011 is the same, and will not be described again.
And S1014, compared with the second image, determining the pixel with the pixel value change at the same position in the first image as the change pixel.
In this embodiment of the application, the second image is a frame image before the first image, that is, the second image is a frame image displayed by the electronic device at the current time. And comparing the pixel value of the same position in the first image with the pixel value of the same position in the second image, and indicating that the posture of the corresponding liquid crystal at the same position needs to be adjusted.
And S1015, extracting the changed pixels from the first image to obtain a target image of the first image.
In the embodiment of the present application, after obtaining the changed pixels based on S1014 described above, an image composed of the changed pixels is taken as the target image of the first image. It should be noted that the target image of the first image includes the pixel value of the changed pixel and the coordinate position of the changed pixel.
It is understood that the image smear is caused by a changed pixel (i.e., a pixel whose pixel value is changed at the same position in the first image compared to the second image), and therefore, when the following S102 is performed on the basis that the target pixel is composed of a changed pixel, it is possible to realize the early flipping of the pixel causing the image smear, which will have a targeted alleviation of the image smear problem. That is to say, the way of acquiring the target image of the first image provided by the embodiment of the present application provides a basis for targeted mitigation of the image smear problem.
S102, controlling the liquid crystal at the position of the first pixel to perform inversion matched with the pixel value of the first pixel according to the first pixel in the target image.
In the embodiment of the present application, a pixel in the target pixel is referred to as a first pixel. The first pixel in the target image may be any first pixel in the target image, and may also be a part of the first pixel in the target image. On the basis, after the target image is obtained, for each first pixel in the target image or part (not all) of the first pixels in the target image, the pixel value of the first pixel is read, then a corresponding voltage signal is generated according to the read pixel value, and the voltage signal is applied to the corresponding liquid crystal at the coordinate position of the first pixel, namely the liquid crystal at the first pixel position is controlled to be inverted in a manner of matching with the first pixel value. The liquid crystal is subjected to posture adjustment after being applied with a voltage signal, so that the color corresponding to the first pixel value is presented.
S103, controlling the liquid crystal at the position of the second pixel to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image.
In the embodiment of the present application, any second pixel in the first image may refer to any pixel in the whole frame image of the first image. Any second pixel in the first image may also refer to any pixel in the first image other than the pixel in the target image.
In the embodiment of the present application, for any one of the second pixels in the first image, the pixel value of the second pixel is read, then a corresponding voltage signal is generated according to the read pixel value, and the voltage signal is applied to the corresponding liquid crystal at the coordinate position of the second pixel, that is, the liquid crystal at the second pixel position is controlled to perform inversion matching with the second pixel value. The liquid crystal is subjected to posture adjustment after being applied with the voltage signal, so that the color corresponding to the second pixel value is presented.
The execution timing of S103 is usually the display timing of the first image, that is, the specific implementation of S103 may be: and controlling the liquid crystal at the position of the second pixel to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image at the display moment of the first image.
In the embodiment of the application, a target image of a first image is obtained, wherein the target image is composed of a part of pixels in the first image; controlling liquid crystal at the position of a first pixel to turn over in a manner of matching with the pixel value of the first pixel according to the first pixel in the target image; and controlling the liquid crystal at the second pixel position to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image. In this way, the liquid crystal corresponding to the partial pixel of the first image is turned over in advance to display the partial image in the first image in advance. And then the first image is completely displayed. Therefore, the smear problem of the first image can be effectively reduced in a mode of turning in advance. In addition, since the frequency of images displayed by the electronic device is generally high, although the target image in the first image is displayed in advance, the human eye does not generate a visual delay.
In an embodiment of the present application, the above S1014 may be implemented by the following steps:
and comparing the pixel value change of the same position in the first image with the pixel value change of more than the first preset threshold value with the second image, and determining the pixel value change of the same position in the first image as a change pixel.
Corresponding to the above: and comparing the pixels with the same position in the first image and with the pixel value less than or equal to the first preset threshold value to the second image, and determining the pixels with the pixel value less than or equal to the first preset threshold value to be unchanged pixels.
It is to be understood that the variations in this embodiment are meant to be obvious variations.
It should be noted that the first preset threshold may be set according to the experience of the developer.
In the embodiment of the application, compared with the second image, if it is determined that the pixel value change at the same position in the first image is greater than the first preset threshold, it indicates that the pixel value change of the corresponding pixel is large, the liquid crystal posture turning amplitude at the corresponding position is large, and the problem of smear is obvious. Otherwise, the smear problem is negligible.
In the embodiment of the application, only the pixels with the pixel value change larger than the first preset threshold value at the same position in the first image are determined to be changed pixels compared with the second image, so that the calculation overhead of the electronic equipment can be reduced.
In one embodiment of the present application, the above S1015 can be implemented by the following S1015-1 and S1015-2:
s1015-1, judging whether the number of the changed pixels is larger than a second preset threshold value.
In the embodiment of the present application, the number of changed pixels may reflect the change amplitude of the first image compared to the second image. If the number of the changed pixels is larger than the second preset threshold, it is indicated that the change amplitude of the first image is large compared with that of the second image, and the smear problem is obvious. Otherwise, the smear problem is negligible.
It should be noted that the second preset threshold may be set according to the experience of the developer.
And S1015-2, under the condition that the pixel value is larger than the preset threshold value, extracting the changed pixel from the first image to obtain a target image of the first image.
Corresponding to S1015-2 above, in the case where it is less than or equal to the second preset threshold value, no processing is performed.
In this embodiment of the application, in the case that the value is greater than the second preset threshold, the changed pixels are extracted from the first image to obtain the target image of the first image, and the steps of S102 and S103 are continuously executed. Otherwise, not only any processing is performed. This may reduce the computational overhead of the electronic device.
On the basis of any of the above embodiments, the method provided in the embodiment of the present application further includes, before the above step S101, the following steps S1016 and S1017:
s1016, whether the setting event is triggered or not is detected.
In the embodiment of the application, the setting event is triggered by a user. For example, the user can select the option of the setting event by the interface of the setting item of the electronic equipment so as to realize the triggering of the setting event.
And setting an event refers to whether to start the image display method provided by the embodiment of the application. In the case where the setting event is triggered, a method of starting image display provided in the embodiment of the present application will be described. Correspondingly, under the condition that the set time is not triggered, the method for displaying the image provided by the embodiment of the application is not started.
S1017, if the setting event is triggered, executing the step of acquiring the target image of the first image.
In the embodiment of the application, a user can determine whether to trigger a setting event according to actual requirements. By executing the above S1017, the intelligence of the image display method provided by the embodiment of the present application can be improved.
< apparatus embodiment >
The embodiment of the application provides an image display device 30, as shown in fig. 3, including an obtaining module 31, a first control module 32 and a second control module 33. Wherein:
an obtaining module 31, configured to obtain a target image of the first image, where the target image is composed of a part of pixels in the first image;
a first control module 32, configured to control, according to a first pixel in the target image, liquid crystal at the first pixel position to perform inversion matching with the first pixel value;
and a second control module 33, configured to control, according to any second pixel in the first image, inversion performed by matching a pixel value of the second pixel in the liquid crystal at the second pixel position.
In one embodiment, the obtaining module 31 is specifically configured to: acquiring the first image;
and extracting pixels from the first image according to a preset pixel interval to obtain a target image of the first image.
In one embodiment, the obtaining module 31 includes:
an acquisition unit configured to acquire the first image;
a first determination unit configured to determine a pixel whose pixel value changes at the same position in the first image as a changed pixel, as compared with a second image; the second image is a previous frame image of the first image; and the number of the first and second groups,
and the second determining unit is used for extracting the changed pixels from the first image to obtain a target image of the first image.
In an embodiment, the first determining unit is specifically configured to: and comparing the pixel value change of the same position in the first image with the pixel value change of more than a first preset threshold value with the second image, and determining the pixel value change of the same position in the first image as a change pixel.
In an embodiment, the second determining unit is specifically configured to:
judging whether the number of the changed pixels is larger than a second preset threshold value or not;
and under the condition that the image is larger than the second preset threshold, extracting changed pixels from the first image to obtain a target image of the first image.
In one embodiment, the apparatus further comprises a detection module and an execution module; wherein:
the detection module is used for: detecting whether a set event is triggered;
the execution module is used for: and executing the step of acquiring the target image of the first image when the setting event is triggered.
< apparatus embodiment >
The embodiment of the present application provides an electronic device 40, where the electronic device 40 includes an image display apparatus 30 as shown in fig. 3;
alternatively, as shown in fig. 4, the apparatus comprises a memory 41 and a processor 42, wherein the memory 41 is used for storing computer instructions, and the processor 42 is used for calling the computer instructions from the memory to execute the method according to any one of the above method embodiments.
In the embodiment of the present application, the electronic device 40 may be any device including a liquid crystal display. Such as televisions, computers, AR/MR/VR head mounted display devices.
It is understood that the electronic device 40 may further include: interface device 43, communication device 44, display device 45, input device 46, speaker 47, microphone 48, and the like.
The processor 42 may be a central processing unit CPU, a microprocessor MCU, or the like. The memory 41 includes, for example, a ROM (read only memory), a RAM (random access memory), a nonvolatile memory such as a hard disk, and the like. The interface device 43 includes, for example, a USB interface, a headphone interface, and the like. The communication device 44 is capable of wired or wireless communication, for example. The display device 45 is, for example, a liquid crystal display panel, a touch panel, or the like. The input device 46 may include, for example, a touch screen, a keyboard, and the like. A user can input/output voice information through the speaker 47 and the microphone 48.
In the above description, the skilled person can design the instructions according to the solution disclosed by the embodiments. How the instructions control the operation of the processor 42 is well known in the art and will not be described in detail herein.
< storage Medium embodiment >
The present application provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the method according to any one of the above method embodiments.
The present application may be a system, method and/or computer program product. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present application.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present application may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry can execute computer-readable program instructions to implement aspects of the present application by utilizing state information of the computer-readable program instructions to personalize the electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA).
Various aspects of the present application are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. It is well known to those skilled in the art that implementation by hardware, by software, and by a combination of software and hardware are equivalent.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the application is defined by the appended claims.
Claims (10)
1. An image display method, comprising:
acquiring a target image of a first image, wherein the target image is composed of partial pixels in the first image;
controlling the liquid crystal at the first pixel position to perform inversion matched with the first pixel value according to a first pixel in the target image;
and controlling the liquid crystal at the second pixel position to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image.
2. The method of claim 1, wherein said acquiring a target image of a first image comprises:
acquiring the first image;
and extracting pixels from the first image according to a preset pixel interval to obtain a target image of the first image.
3. The method of claim 1, wherein said acquiring a target image of a first image comprises:
acquiring the first image;
determining a pixel of which the pixel value changes at the same position in the first image as a changed pixel compared to the second image; the second image is a previous frame image of the first image;
and extracting the changed pixels from the first image to obtain a target image of the first image.
4. The method of claim 3, wherein determining pixels in the first image that have a pixel value change at the same location as the second image as changed pixels comprises:
and comparing the pixel value change of the same position in the first image with the pixel value change of more than a first preset threshold value with the second image, and determining the pixel value change of the same position in the first image as a change pixel.
5. The method of claim 3, wherein the extracting the changed pixels from the first image to obtain the target image of the first image comprises:
judging whether the number of the changed pixels is larger than a second preset threshold value or not;
and under the condition that the image is larger than the second preset threshold, extracting changed pixels from the first image to obtain a target image of the first image.
6. The method of claim 1, wherein prior to acquiring the target image of the first image, comprising:
detecting whether a set event is triggered;
and executing the step of acquiring the target image of the first image when the setting event is triggered.
7. An image display apparatus, comprising:
the device comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring a target image of a first image, and the target image consists of partial pixels in the first image;
the first control module is used for controlling the liquid crystal at the first pixel position to turn over in a manner of matching with the first pixel value according to the first pixel in the target image;
and the second control module is used for controlling the liquid crystal at the position of the second pixel to perform inversion matched with the pixel value of the second pixel according to any second pixel in the first image.
8. The apparatus of claim 7, wherein the obtaining module is specifically configured to:
acquiring the first image;
and extracting pixels from the first image according to a preset pixel interval to obtain a target image of the first image.
9. An electronic device, comprising the apparatus of claim 7 or 8; alternatively, the first and second electrodes may be,
comprising a memory for storing computer instructions and a processor for invoking the computer instructions from the memory to perform the method of any of claims 1-6.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the method according to any one of claims 1-6.
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