CN113422944A - Signal transmission method and projection equipment - Google Patents

Signal transmission method and projection equipment Download PDF

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Publication number
CN113422944A
CN113422944A CN202110739855.6A CN202110739855A CN113422944A CN 113422944 A CN113422944 A CN 113422944A CN 202110739855 A CN202110739855 A CN 202110739855A CN 113422944 A CN113422944 A CN 113422944A
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frame image
primary color
color pixel
image
data
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CN202110739855.6A
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CN113422944B (en
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吴超
郭大勃
肖纪臣
崔崚岳
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Qingdao Hisense Laser Display Co Ltd
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Qingdao Hisense Laser Display Co Ltd
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Priority to CN202110739855.6A priority Critical patent/CN113422944B/en
Publication of CN113422944A publication Critical patent/CN113422944A/en
Priority to CN202280047123.3A priority patent/CN117597918A/en
Priority to PCT/CN2022/082296 priority patent/WO2023273429A1/en
Priority to PCT/CN2022/102553 priority patent/WO2023274331A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3161—Modulator illumination systems using laser light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The application provides a signal transmission method and projection equipment, and the method comprises the following steps: acquiring a video signal of a video to be displayed; analyzing the video signal of the video to be displayed to obtain first image data of a current frame image; and determining a first primary color pixel component corresponding to the frame image, and sending second image data of the frame image to a signal receiving end so that the signal receiving end displays the frame image according to the second image data of the frame image. In the scheme, the transmission amount of the video signals is reduced, so that the transmission capacity of the signal transmission line can be matched, the video signals do not need to be compressed before transmission, the video images can be displayed, and the problem of reduction of the resolution of the displayed video images can be avoided.

Description

Signal transmission method and projection equipment
Technical Field
The present application relates to the field of display technologies, and in particular, to a signal transmission method and a projection device.
Background
With the development of display technology, the resolution of a display device capable of supporting a displayed video image is higher and higher, and accordingly, the amount of a video signal to be transmitted is larger and larger, and more signal transmission lines are required, which brings difficulty to the circuit design of the signal transmission lines.
Therefore, when the amount of the transmitted video signal is greater than the transmission load of the signal transmission line, the video signal is compressed at the transmitting end, and then the compressed video signal is transmitted to the receiving end for display.
In the above scheme, when the amount of the transmitted video signal is greater than the transmission load amount of the signal transmission line, the video signal needs to be compressed before transmission, which results in a reduction in resolution of the displayed video image.
Disclosure of Invention
The embodiment of the application provides a signal transmission method and projection equipment, which are used for solving the technical problem of reduction of the resolution of a video image in the prior art.
In a first aspect, an embodiment of the present application provides a signal transmission method, applied to a signal sending end, including: acquiring a video signal of a video to be displayed; analyzing the video signal of the video to be displayed to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image; determining a first primary color pixel component corresponding to the frame image, and sending second image data of the frame image to a signal receiving end so that the signal receiving end displays the frame image according to the second image data of the frame image; wherein the second image data includes data of at least two primary color pixel components other than the first primary color pixel component corresponding to the frame image.
Optionally, the method as described above, the determining a corresponding first primary color pixel component of the frame image includes: according to a current frame image of a video to be displayed, according to a first primary color pixel component corresponding to a previous frame image and a preset arrangement sequence of each primary color pixel component, taking an adjacent primary color pixel component positioned behind the first primary color pixel component corresponding to the previous frame image in the arrangement sequence as a first primary color pixel component corresponding to the frame image.
Optionally, the method as described above, the determining a corresponding first primary color pixel component of the frame image includes: acquiring the number of effective pixels of each primary color pixel component under the frame image; acquiring the number of effective pixels of each primary color pixel component under the previous frame of image; calculating and obtaining the change rate of each primary color pixel component according to the number of effective pixels of each primary color pixel component under the frame image and the previous frame image; and taking the primary color pixel component with the minimum change rate as the first primary color pixel component corresponding to the frame image.
Optionally, the method as described above, the determining a corresponding first primary color pixel component of the frame image includes: triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: the method comprises the following steps of triggering execution for each frame of image of a video to be displayed or triggering execution for a preset number of frames of images at intervals.
In a second aspect, an embodiment of the present application provides a signal transmission method, applied to a signal receiving end, including: receiving second image data of a current frame image of a video to be displayed; wherein the second image data of the frame image is obtained based on the first image data of the frame image; wherein the first image data comprises data of all primary color pixel components of the frame image, and the second image data of the frame image comprises data of at least two primary color pixel components except for the first primary color pixel component corresponding to the frame image; and displaying the frame image according to the second image data of the frame image.
Optionally, the method as described above, the displaying the frame image according to the second image data of the frame image, includes: analyzing second image data of the frame image to obtain data of at least two primary color pixel components of the frame image; determining a first primary color pixel component corresponding to the frame image, and taking data of the first primary color pixel component corresponding to the frame image in image data of a previous frame image as data of the first primary color pixel component corresponding to the frame image; and sequentially sending data of at least two primary color pixel components of the frame image and data of a first primary color pixel component corresponding to the frame image to a display module so that the display module displays the frame image.
Optionally, the method as described above, the displaying the frame image according to the second image data of the frame image, includes: analyzing second image data of each frame image of a video to be displayed to obtain data of at least two primary color pixel components of the frame image; integrating data of at least two primary color pixel components of each frame of image according to the display sequence of each frame of image of the video to be displayed, and sequentially sending the integrated data to a display module so as to enable the display module to display the frame of image of the video to be displayed.
In a third aspect, an embodiment of the present application provides a signal sending end, including: the acquisition module is used for acquiring a video signal of a video to be displayed; the analysis module is used for analyzing the video signal of the video to be displayed to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image; a sending module, configured to determine a first primary color pixel component corresponding to the frame image, and send second image data of the frame image to a signal receiving end, so that the signal receiving end displays the frame image according to the second image data of the frame image; wherein the second image data includes data of at least two primary color pixel components other than the first primary color pixel component corresponding to the frame image.
In a fourth aspect, an embodiment of the present application provides a signal receiving end, including: the receiving module is used for receiving second image data of a current frame image of a video to be displayed; wherein the second image data of the frame image is obtained based on the first image data of the frame image; wherein the first image data comprises data of all primary color pixel components of the frame image, and the second image data of the frame image comprises data of at least two primary color pixel components except for the first primary color pixel component corresponding to the frame image; and the display module is used for displaying the frame image according to the second image data of the frame image.
In a fifth aspect, an embodiment of the present application provides an electronic device, including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of signal transmission of the first aspect.
In a sixth aspect, an embodiment of the present application provides an electronic device, including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the signal transmission method of the second aspect.
In a seventh aspect, an embodiment of the present application provides a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, the computer-readable storage medium is used to implement the signal transmission method according to the first aspect.
In an eighth aspect, the present application provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the computer-readable storage medium is used for implementing the signal transmission method according to the second aspect.
In a ninth aspect, the present application provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the signal transmission method according to the first aspect.
In a tenth aspect, the present application provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the signal transmission method according to the second aspect.
In an eleventh aspect, an embodiment of the present application provides a display device, including: a signal transmitting end for performing the method according to the first aspect, and a signal receiving end for performing the method according to the second aspect.
In a twelfth aspect, an embodiment of the present application provides a laser projection apparatus, including: a TV signal board, a display signal board, a light source, a light modulation device, and a lens; the TV signal board is used for acquiring a video signal of a video to be displayed and analyzing the video signal of the video to be displayed so as to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image; the TV signal board is further configured to determine a first primary color pixel component corresponding to the frame image, and send second image data of the frame image to the display signal board, where the second image data includes data of at least two primary color pixel components except the first primary color pixel component corresponding to the frame image; the display signal plate is used for receiving second image data of the frame image, sending a first driving signal to the light source so that the light source sequentially provides three primary color light beams, and sending a second driving signal to the light modulation device according to the second image data of the frame image so that the light modulation device modulates the three primary color light beams provided by the light source; and the lens is used for projecting and imaging the modulated tricolor light beams.
According to the signal transmission method and the projection equipment provided by the embodiment of the application, the video signal of the video to be displayed is analyzed to obtain the first image data of the current frame image; and determining first primary color pixels corresponding to the frame image, and sending second image data of the frame image to the signal receiving end so that the signal receiving end displays the frame image. In the scheme, the transmission amount of the video signals is reduced, so that the transmission capacity of the signal transmission line can be matched, the video signals do not need to be compressed before transmission, the video images can be displayed, and the problem of reduction of the resolution of the displayed video images can be avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a functional block diagram of a display device;
fig. 2 is a schematic flowchart of a signal transmission method according to an embodiment of the present application;
FIG. 3 is a diagram illustrating the relationship between pixels and primary color pixel components;
FIG. 4 is a flow chart of a signal transmission process;
FIG. 5 is a schematic diagram of a supplement rule of frame image data;
fig. 6 is a schematic diagram illustrating the effect of displaying data of at least two primary color pixel components;
fig. 7 is a schematic structural diagram of a signal transmitting end according to a fourth embodiment of the present application;
fig. 8 is a schematic structural diagram of a signal receiving end according to a fifth embodiment of the present application;
fig. 9 is a schematic structural diagram of an electronic device according to a sixth embodiment of the present application;
fig. 10 is a schematic structural diagram of an electronic device according to a seventh embodiment of the present application;
fig. 11 is a schematic structural diagram of a laser projection apparatus.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terms referred to in this application are explained first:
display resolution: also known as pixel resolution, simply referred to as resolution, refers to the number of pixels that a display can display, usually multiplied by the number of pixels per row, for example: 1024 × 768, namely the displayer can display 768 rows and 1024 columns, and 786432 pixels can be displayed in total; the resolution is 640 × 480, which means that the display can display 480 rows and 640 columns, and can display 307200 pixels in total. Obviously, the higher the resolution, the more pixels can be displayed on the display screen, and the clearer the image is;
bandwidth: the amount of data that can be transmitted on the line per unit time, commonly used unit is bps (bit per second), i.e. bits per second, which represents the ability of the communication line to transmit data;
refresh rate: the number of times the image representing the screen is redrawn per second, i.e., the number of times the screen is refreshed per second, in Hz (hertz). The higher the refresh rate, the more stable the image and the more natural and clear the image display.
The following describes a transmission process of a video signal in conjunction with a practical application scenario. As shown in fig. 1, it is a block diagram of an operating principle of a display device, and the diagram includes a signal transmitting end and a signal receiving end. When a display task is available, an external signal is transmitted to the video coding and decoding chip through the input signal connector; then, the video coding and decoding chip carries out coding and decoding processing on the received signals so as to obtain a signal format which can be supported by a display driving module in a signal receiving end, and transmits the processed signals to the display driving module through a signal transmission line; similarly, the display driving module receives the processed signal, performs coding and decoding processing on the processed signal to obtain a signal format that can be supported by the display module in the signal receiving end, and transmits the processed signal to the display module, so that the display module displays the signal.
However, in practical applications, the signal transmission capability of the signal transmission line between the signal sending end and the signal receiving end is limited, and when the amount of the transmitted video signal is greater than the transmission load amount of the signal transmission line, the signal sending end generally performs compression processing on the video signal, and then transmits the compressed signal to the signal receiving end for display.
In the above scheme, when the amount of the transmitted video signal is greater than the transmission load amount of the signal transmission line, the video signal needs to be compressed before transmission, which results in a reduction in resolution of the displayed video image.
The application provides a signal transmission method and a projection device, which aim to solve the above technical problems in the prior art.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Example one
Fig. 2 is a schematic flowchart of a signal transmission method according to an embodiment of the present application. As shown in fig. 2, the method is applied to a signal transmitting end, and then the method includes:
s101, acquiring a video signal of a video to be displayed.
In practical applications, a signal sending end generally obtains a video signal input from the outside, so as to process, transmit and display the video signal in subsequent steps.
The signal transmitting end may be any device having video signal acquiring, processing, and transmitting functions, and the specific type of the signal transmitting end is not limited in this embodiment.
S102, analyzing the video signal of the video to be displayed to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image.
The current frame image may be obtained by analyzing a video to be displayed, and as an example, a certain video may be composed of a plurality of frame images, and may be transmitted according to a dimension order of the frame images when transmitting video data, so the current frame image may refer to a frame image that needs to be transmitted currently. Wherein the frame image is composed of a plurality of pixels, each pixel further comprising a plurality of primary color pixel components, as an example, the primary color pixel components comprising: r (Red), G (Green ), and B (Blue) pixel components.
The relationship between the pixels and the primary color pixel components is described below with reference to the accompanying drawings, and exemplarily shown in fig. 3, which is a schematic diagram of the relationship between the pixels and the primary color pixel components, wherein 9 pixels are included in one frame image, that is, each square in the drawing represents 1 pixel, each square can be divided into 3 small grids, each small grid represents 1 primary color pixel component, and in one example, each pixel includes: 1R pixel component, 1G pixel component, and 1B pixel component.
In this scheme, after the video signal of the video to be displayed is acquired in step S101, the video signal is analyzed to obtain the component data of all the primary color pixels of the frame image. The component data of the primary color pixels is specifically a data matrix composed of a plurality of "1" s and/or a plurality of "0" s.
S103, determining a first primary color pixel component corresponding to the frame image, and sending second image data of the frame image to a signal receiving end so that the signal receiving end displays the frame image according to the second image data of the frame image; wherein the second image data includes data of at least two primary color pixel components other than the first primary color pixel component corresponding to the frame image.
In practical application, the signal sending end determines a first primary color pixel corresponding to a frame image according to a predetermined rule, deletes the first primary color pixel data in the first image data to obtain second image data of the frame image, and sends the second image data to the signal receiving end, so that the signal receiving end realizes the display of the frame image based on the image data. In one example, as shown in fig. 4, a flow chart of signal transmission processing is shown, where the flow chart includes a signal sending end, a signal receiving end, and a display module. For example, the signal sending end sends the second image data to the signal receiving end; the signal receiving end comprises a processing module and a buffer module, wherein the processing module is used for processing the received image data of the Nth frame of image, and the buffer module is used for storing the image data of the (N + 1) th frame of image; correspondingly, the display module is used for displaying the N-1 frame image processed by the processing module.
In the embodiment, the first image data of the current frame image is obtained by analyzing the video signal of the video to be displayed; and determining first primary color pixels corresponding to the frame image, and sending second image data of the frame image to the signal receiving end so that the signal receiving end displays the frame image. In the scheme, the transmission amount of the video signals is reduced, so that the transmission capacity of the signal transmission line can be matched, the video signals do not need to be compressed before transmission, the video images can be displayed, and the problem of reduction of the resolution of the displayed video images can be avoided.
In practical applications, the manner of determining the corresponding first primary color pixel component of the frame image includes various ways, which are exemplarily described below with reference to the embodiments.
Example two
The second embodiment of the present application mainly introduces a manner of determining a first primary color pixel component corresponding to the frame image, and on the basis of the first embodiment, in an example, the determining the first primary color pixel component corresponding to the frame image includes: according to a current frame image of a video to be displayed, according to a first primary color pixel component corresponding to a previous frame image and a preset arrangement sequence of each primary color pixel component, taking an adjacent primary color pixel component positioned behind the first primary color pixel component corresponding to the previous frame image in the arrangement sequence as a first primary color pixel component corresponding to the frame image.
The predetermined arrangement of the primary color pixel components may include a plurality of types, but is not limited to this, for example, one arrangement order may be an R pixel component, a G pixel component, and a B pixel component. In combination with this example, in an embodiment, for a current frame image of a video to be displayed, first, a first primary color pixel component corresponding to a previous frame image is obtained, and assuming that the primary color pixel component is a G pixel component, according to an arrangement order of the example, an adjacent primary color pixel component behind the G pixel component may be determined to be a B pixel component, so that the B pixel component is taken as the first primary color pixel component corresponding to the current frame image.
In this embodiment, the first primary color pixel component corresponding to the current frame image is determined according to the fixed sequence, and the data of the first primary color pixel component is subsequently deleted, so that the frame image data to be transmitted is not higher than the load of the transmission line.
In another example, the determining the corresponding first primary color pixel component of the frame image comprises: acquiring the number of effective pixels of each primary color pixel component under the frame image; acquiring the number of effective pixels of each primary color pixel component under the previous frame of image; calculating and obtaining the change rate of each primary color pixel component according to the number of effective pixels of each primary color pixel component under the frame image and the previous frame image; and taking the primary color pixel component with the minimum change rate as the first primary color pixel component corresponding to the frame image.
In one example, the change rate of the primary color pixel is a ratio of a difference between the number of effective pixels of each primary color pixel component in the frame image and the previous frame image to the number of effective pixels of the primary color pixel component in the current frame image. For example, assuming that the number of effective pixels of R, G, B under the previous frame image of the frame image is r ', g', b ', and the number of effective pixels of R, G, B under the current frame image is r, g, b, respectively, the rate of change of the number of effective pixels of the frame image is (r-r')/r, (g-g ')/g, (b-b')/b. And comparing the effective pixel quantity change rates of the three primary color pixel components, and taking the primary color pixel component corresponding to the effective pixel quantity with the minimum change rate as the first primary color pixel component of the frame image. For example, when (R-R ')/R > (G-G ')/G > (B-B ')/B, the first primary color pixel component of the frame image is B, then, for the frame image, the transmission line between the signal transmitting end and the signal receiving end only needs to transmit the valid pixel data of R and G of the frame image, thereby reducing the amount of transmission data, and further making the frame image data to be transmitted not higher than the load amount of the transmission line. In another example, the effective pixel number change rate may also be a ratio of a difference between the numbers of effective pixels of the primary color pixel components in the frame image and the previous frame image to the number of effective pixels of the primary color pixel component in the previous frame image. In this embodiment, the calculation method of the change rate of the number of effective pixels is not limited.
In practical applications, the operation of determining the first primary color pixel component may be performed according to different triggering strategies. In one example, the determining the corresponding first primary color pixel component of the frame image comprises: triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: and triggering execution for each frame of image of the video to be displayed. Specifically, the operation of determining the first primary color pixel component is triggered once for each frame of image of the video to be displayed, so that the subsequent step performs the operation of deleting the pixel data for each frame of image of the video to be displayed. In this embodiment, the operation of determining the first primary color pixel component is triggered once for each frame of image of the video to be displayed, and the pixel data corresponding to the first primary color pixel component is subsequently deleted, so that the frame of image data to be transmitted is not higher than the load of the transmission line.
In another example, the determining the corresponding first primary color pixel component of the frame image comprises: triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: and triggering execution by a preset number of frame images at intervals aiming at the video to be displayed. The predetermined number may be 1, 2, or more, and this is not limited in this embodiment. For example, the operation of determining the first primary color pixel components is performed every 1 frame image for the video to be displayed. In this embodiment, the operation of determining the first primary color pixel component is triggered and executed by a predetermined number of frame images at intervals, and the pixel data corresponding to the first primary color pixel component is subsequently deleted, so that the frame image data to be transmitted is not higher than the load of the transmission line.
In this embodiment, the first primary color pixel component is determined according to a predetermined trigger policy, and the pixel data corresponding to the first primary color pixel component is subsequently deleted, so that the frame image data to be transmitted is not higher than the load of the transmission line.
EXAMPLE III
The third embodiment of the present application provides a signal transmission method, which is applied to a signal receiving end, and the method includes: receiving second image data of a current frame image of a video to be displayed; wherein the second image data of the frame image is obtained based on the first image data of the frame image; wherein the first image data comprises data of all primary color pixel components of the frame image, and the second image data of the frame image comprises data of at least two primary color pixel components except for the first primary color pixel component corresponding to the frame image; and displaying the frame image according to the second image data of the frame image.
The current frame image refers to a frame image which needs to be subjected to pixel data deleting processing at present; the primary color pixel components include: r (Red), G (Green ), and B (Blue) pixel components.
In an example, after obtaining a first primary color pixel component corresponding to a current frame image, a signal sending end performs pixel data deletion processing on the current frame image according to the type of the primary color pixel component, for example, if the obtained first primary color pixel component is an R pixel component, data of the R pixel component in all pixels of the current frame image is deleted, that is, only data of a G pixel component and data of a B pixel component in all pixels are retained as image data of the frame image; then, the signal sending end sends the image data of the frame image to the signal receiving end, and the signal receiving end can receive the image data of the frame image; and finally, the signal receiving end realizes the display of the frame image according to the image data of the frame image.
In practical applications, on the basis of the foregoing embodiments, the displaying a frame image includes multiple implementation manners, and in an example, the displaying the frame image according to the second image data of the frame image includes: analyzing second image data of the frame image to obtain data of at least two primary color pixel components of the frame image; determining a first primary color pixel component corresponding to the frame image, and taking data of the first primary color pixel component corresponding to the frame image in image data of a previous frame image as data of the first primary color pixel component corresponding to the frame image; and sequentially sending data of at least two primary color pixel components of the frame image and data of a first primary color pixel component corresponding to the frame image to a display module so that the display module displays the frame image.
In the process of transmitting image data, the format of the image data may be changed, so that the image data of the frame image needs to be analyzed to obtain data of at least two primary color pixel components in a matrix form. For example, after receiving image data of a frame image, a signal receiving end firstly analyzes the image data to obtain data of at least two primary color pixel components in a matrix form; then, determining at least two primary color pixel components according to the data of the at least two primary color pixel components; determining a first primary color pixel component corresponding to the frame image according to the at least two primary color pixel components; and finally, taking the data of the first primary color pixel component in the image data of the previous frame image as the data of the first primary color pixel component of the frame image to supplement the image data of the frame image, and sending the frame image data after supplementing the image data to a display module for displaying. The method for supplementing the image data of the frame image may be described with reference to a specific example, and as shown in fig. 5, the method is a schematic diagram of a supplementing rule of the frame image data. The image data of three frame images, each of which includes R, G, B pixel component data, is included in the figure, and when data supplement is performed, as shown in fig. 5, the R pixel component data in the first frame image data is the R pixel component data of the zeroth frame image; adopting the data of the G pixel component of the first frame image as the data of the G pixel component in the second frame image; the data of the B pixel component in the third frame image adopts the data of the B pixel component of the second frame image, and so on. In the embodiment, after the signal receiving end receives the image data of the frame image, the signal receiving end performs the complementary pixel data processing on the image data, so that the resolution of the video image is not affected during subsequent display.
In another example, the displaying the frame image according to the second image data of the frame image includes: analyzing second image data of each frame image of a video to be displayed to obtain data of at least two primary color pixel components of the frame image; integrating data of at least two primary color pixel components of each frame of image according to the display sequence of each frame of image of the video to be displayed, and sequentially sending the integrated data to a display module so as to enable the display module to display the frame of image of the video to be displayed. For example, after receiving image data of a frame image, a signal receiving end firstly analyzes the image data to obtain data of at least two primary color pixel components in a matrix form; and then, integrating the data of the at least two primary color pixel components of each frame of image together according to frames, sequencing the data of the at least two primary color pixel components of each frame of image according to the display sequence of each frame of image, and sequentially sending the data to the display module according to the sequence so that the display module sequentially displays the frame images of the video to be displayed. In the embodiment, the data of the at least two primary color pixel components of each frame of image are sequenced according to the display sequence of each frame of image, and then are sequentially sent to the display module according to the sequence, so that the display module realizes display, the video display can be ensured not to be disordered, and the display effect is improved.
In this embodiment, the video refresh rate can be increased by displaying data of at least two primary color pixel components. For example, as shown in fig. 6, the effect of displaying the data of at least two primary color pixel components is shown. When the data of the first primary color pixel component is not deleted in the first behavior, the display condition of the frame image data is displayed, and the total frame number is three frames; after deleting the data of the first primary color pixel component, the second action is used for displaying the frame image data, and the total frame number is four frames; it is clear that at the same time, more frames, i.e. a higher refresh rate, are displayed for at least two primary color pixel components than for data without the first primary color pixel component being deleted.
In this embodiment, after the signal receiving end receives the image data of the frame image, the signal receiving end performs the complementary pixel data processing on the image data, so that the resolution of the video image is not affected during the subsequent display.
Example four
Fig. 7 is a schematic structural diagram of a signal transmitting end according to a fourth embodiment of the present application, and as shown in fig. 7, the signal transmitting end according to the fourth embodiment includes: an acquisition module 41, a parsing module 42, and a sending module 43.
The obtaining module 41 is configured to obtain a video signal of a video to be displayed. The parsing module 42 is configured to parse the video signal of the video to be displayed to obtain first image data of a current frame image, where the first image data includes data of all primary color pixel components of the frame image. A sending module 43, configured to determine a first primary color pixel component corresponding to the frame image, and send second image data of the frame image to a signal receiving end, so that the signal receiving end displays the frame image according to the second image data of the frame image; wherein the second image data includes data of at least two primary color pixel components other than the first primary color pixel component corresponding to the frame image.
Optionally, the sending module 43 is specifically configured to: according to a current frame image of a video to be displayed, according to a first primary color pixel component corresponding to a previous frame image and a preset arrangement sequence of each primary color pixel component, taking an adjacent primary color pixel component positioned behind the first primary color pixel component corresponding to the previous frame image in the arrangement sequence as a first primary color pixel component corresponding to the frame image.
Optionally, the sending module 43 is specifically configured to: acquiring the number of effective pixels of each primary color pixel component under the frame image; acquiring the number of effective pixels of each primary color pixel component under the previous frame of image; calculating and obtaining the change rate of each primary color pixel component according to the number of effective pixels of each primary color pixel component under the frame image and the previous frame image; and taking the primary color pixel component with the minimum change rate as the first primary color pixel component corresponding to the frame image.
Optionally, the sending module 43 is specifically configured to: triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: the method comprises the following steps of triggering execution for each frame of image of a video to be displayed or triggering execution for a preset number of frames of images at intervals.
The signal transmitting end provided in this embodiment may execute the technical solutions of the foregoing method embodiments, and the implementation principles and technical effects thereof are similar, and are not described herein again.
EXAMPLE five
Fig. 8 is a schematic structural diagram of a signal receiving end according to a fifth embodiment of the present disclosure, and as shown in fig. 8, the signal receiving end according to the present embodiment includes: a receiving module 51 and a display module 52.
The receiving module 51 is configured to receive second image data of a current frame image of a video to be displayed; wherein the second image data of the frame image is obtained based on the first image data of the frame image; wherein the first image data comprises data of all primary color pixel components of the frame image, and the second image data of the frame image comprises data of at least two primary color pixel components except for the corresponding first primary color pixel component of the frame image. A display module 52, configured to display the frame image according to the second image data of the frame image.
Optionally, the display module 52 is specifically configured to: analyzing second image data of the frame image to obtain data of at least two primary color pixel components of the frame image; determining a first primary color pixel component corresponding to the frame image, and taking data of the first primary color pixel component corresponding to the frame image in image data of a previous frame image as data of the first primary color pixel component corresponding to the frame image; and sequentially sending data of at least two primary color pixel components of the frame image and data of a first primary color pixel component corresponding to the frame image to a display module so that the display module displays the frame image.
Optionally, the display module 52 is specifically configured to: analyzing second image data of each frame image of a video to be displayed to obtain data of at least two primary color pixel components of the frame image; integrating data of at least two primary color pixel components of each frame of image according to the display sequence of each frame of image of the video to be displayed, and sequentially sending the integrated data to a display module so as to enable the display module to display the frame of image of the video to be displayed.
EXAMPLE six
Fig. 9 is a schematic structural diagram of an electronic device according to a sixth embodiment of the present application. As shown in fig. 9, the electronic device may be a device equipped with a signal transmitting end as described in embodiment four. The electronic device includes: a memory 61 and a processor 62.
The memory 61 is configured to store processor-executable instructions. The memory 61 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The memory 61 and the processor 62 are interconnected by a circuit. In particular, the various components are interconnected using a bus, and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions for execution within the electronic device.
EXAMPLE seven
Fig. 10 is a schematic structural diagram of an electronic device according to a seventh embodiment of the present application. As shown in fig. 10, the electronic device may be a device equipped with a signal receiving terminal as described in embodiment five. The electronic device includes: a memory 71 and a processor 72.
The memory 71 is configured to store processor-executable instructions. The memory 71 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The memory 71 and the processor 72 are interconnected by a circuit. In particular, the various components are interconnected using a bus, and may be mounted on a common motherboard or in other manners as desired. The processor may process instructions for execution within the electronic device.
Example eight
An eighth embodiment of the present application provides a computer-readable storage medium.
When the instructions in the storage medium are executed by the processor, the electronic device according to the sixth embodiment is enabled to execute the signal transmission method.
Example nine
An embodiment ninth of the present application provides a computer-readable storage medium.
When executed by a processor, the instructions in the storage medium enable the electronic device according to the seventh embodiment to execute the signal transmission method.
Example ten
The embodiment of the application provides a computer program product. The computer program product comprises a computer program which, when executed by a processor, implements the above-described signal transmission method.
EXAMPLE eleven
The eleventh embodiment of the present application provides a computer program product. The computer program product comprises a computer program which, when executed by a processor, implements the above-described signal transmission method.
Example twelve
An embodiment of the present application provides a display device, including: a signal transmitting end for performing the method according to embodiments one and two, and a signal receiving end for performing the method according to embodiment three.
EXAMPLE thirteen
An embodiment thirteen of the present application provides a laser projection apparatus, as shown in fig. 11, which is a schematic structural diagram of the laser projection apparatus, and then the apparatus includes: a TV signal board, a display signal board, a light source, a light modulation device, and a lens; the TV signal board is used for acquiring a video signal of a video to be displayed and analyzing the video signal of the video to be displayed so as to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image; the TV signal board is further configured to determine a first primary color pixel component corresponding to the frame image, and send second image data of the frame image to the display signal board, where the second image data includes data of at least two primary color pixel components except the first primary color pixel component corresponding to the frame image; the display signal plate is used for receiving second image data of the frame image, sending a first driving signal to the light source so that the light source sequentially provides three primary color light beams, and sending a second driving signal to the light modulation device according to the second image data of the frame image so that the light modulation device modulates the three primary color light beams provided by the light source; and the lens is used for projecting and imaging the modulated tricolor light beams.
Optionally, as the above-mentioned apparatus, when determining the first primary color pixel component corresponding to the frame image, the TV signal board is specifically configured to: according to a current frame image of a video to be displayed, according to a first primary color pixel component corresponding to a previous frame image and a preset arrangement sequence of each primary color pixel component, taking an adjacent primary color pixel component positioned behind the first primary color pixel component corresponding to the previous frame image in the arrangement sequence as a first primary color pixel component corresponding to the frame image.
Optionally, as the above-mentioned apparatus, when determining the first primary color pixel component corresponding to the frame image, the TV signal board is specifically configured to: acquiring the number of effective pixels of each primary color pixel component under the frame image; acquiring the number of effective pixels of each primary color pixel component under the previous frame of image; calculating and obtaining the change rate of each primary color pixel component according to the number of effective pixels of each primary color pixel component under the frame image and the previous frame image; and taking the primary color pixel component with the minimum change rate as the first primary color pixel component corresponding to the frame image.
Optionally, as the above-mentioned apparatus, when determining the first primary color pixel component corresponding to the frame image, the TV signal board is specifically configured to: triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: the method comprises the following steps of triggering execution for each frame of image of a video to be displayed or triggering execution for a preset number of frames of images at intervals.
Optionally, as described above, when the display signal board displays the frame image according to the second image data of the frame image, the display signal board is specifically configured to: analyzing second image data of the frame image to obtain data of at least two primary color pixel components of the frame image; determining a first primary color pixel component corresponding to the frame image, and taking data of the first primary color pixel component corresponding to the frame image in image data of a previous frame image as data of the first primary color pixel component corresponding to the frame image; and sequentially sending data of at least two primary color pixel components of the frame image and data of a first primary color pixel component corresponding to the frame image to a display module so that the display module displays the frame image.
Optionally, as described above, when the display signal board displays the frame image according to the second image data of the frame image, the display signal board is specifically configured to: analyzing second image data of each frame image of a video to be displayed to obtain data of at least two primary color pixel components of the frame image; integrating data of at least two primary color pixel components of each frame of image according to the display sequence of each frame of image of the video to be displayed, and sequentially sending the integrated data to a display module so as to enable the display module to display the frame of image of the video to be displayed.
In practical applications, the light modulation Device may be a DMD (Digital Micromirror Device). The laser projection apparatus provided in this embodiment may implement the technical solutions of the foregoing method embodiments, and the implementation principles and technical effects thereof are similar, which are not described herein again
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (15)

1. A signal transmission method is applied to a signal sending end and comprises the following steps:
acquiring a video signal of a video to be displayed;
analyzing the video signal of the video to be displayed to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image;
determining a first primary color pixel component corresponding to the frame image, and sending second image data of the frame image to a signal receiving end so that the signal receiving end displays the frame image according to the second image data of the frame image; wherein the second image data includes data of at least two primary color pixel components other than the first primary color pixel component corresponding to the frame image.
2. The method of claim 1, wherein determining the corresponding first primary color pixel component of the frame image comprises:
according to a current frame image of a video to be displayed, according to a first primary color pixel component corresponding to a previous frame image and a preset arrangement sequence of each primary color pixel component, taking an adjacent primary color pixel component positioned behind the first primary color pixel component corresponding to the previous frame image in the arrangement sequence as a first primary color pixel component corresponding to the frame image.
3. The method of claim 1, wherein determining the corresponding first primary color pixel component of the frame image comprises:
acquiring the number of effective pixels of each primary color pixel component under the frame image;
acquiring the number of effective pixels of each primary color pixel component under the previous frame of image;
calculating and obtaining the change rate of each primary color pixel component according to the number of effective pixels of each primary color pixel component under the frame image and the previous frame image;
and taking the primary color pixel component with the minimum change rate as the first primary color pixel component corresponding to the frame image.
4. The method of claim 1, wherein determining the corresponding first primary color pixel component of the frame image comprises:
triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: the method comprises the following steps of triggering execution for each frame of image of a video to be displayed or triggering execution for a preset number of frames of images at intervals.
5. A signal transmission method, applied to a signal receiving end, comprising:
receiving second image data of a current frame image of a video to be displayed; wherein the second image data of the frame image is obtained based on the first image data of the frame image; wherein the first image data comprises data of all primary color pixel components of the frame image, and the second image data of the frame image comprises data of at least two primary color pixel components except for the first primary color pixel component corresponding to the frame image;
and displaying the frame image according to the second image data of the frame image.
6. The method of claim 5, wherein the displaying the frame image according to the second image data of the frame image comprises:
analyzing second image data of the frame image to obtain data of at least two primary color pixel components of the frame image;
determining a first primary color pixel component corresponding to the frame image, and taking data of the first primary color pixel component corresponding to the frame image in image data of a previous frame image as data of the first primary color pixel component corresponding to the frame image;
and sequentially sending data of at least two primary color pixel components of the frame image and data of a first primary color pixel component corresponding to the frame image to a display module so that the display module displays the frame image.
7. The method of claim 5, wherein the displaying the frame image according to the second image data of the frame image comprises:
analyzing second image data of each frame image of a video to be displayed to obtain data of at least two primary color pixel components of the frame image;
integrating data of at least two primary color pixel components of each frame of image according to the display sequence of each frame of image of the video to be displayed, and sequentially sending the integrated data to a display module so as to enable the display module to display the frame of image of the video to be displayed.
8. A signal transmitting end, comprising:
the acquisition module is used for acquiring a video signal of a video to be displayed;
the analysis module is used for analyzing the video signal of the video to be displayed to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image;
a sending module, configured to determine a first primary color pixel component corresponding to the frame image, and send second image data of the frame image to a signal receiving end, so that the signal receiving end displays the frame image according to the second image data of the frame image; wherein the second image data includes data of at least two primary color pixel components other than the first primary color pixel component corresponding to the frame image.
9. A signal receiving end, comprising:
the receiving module is used for receiving second image data of a current frame image of a video to be displayed; wherein the second image data of the frame image is obtained based on the first image data of the frame image; wherein the first image data comprises data of all primary color pixel components of the frame image, and the second image data of the frame image comprises data of at least two primary color pixel components except for the first primary color pixel component corresponding to the frame image;
and the display module is used for displaying the frame image according to the second image data of the frame image.
10. A laser projection device, comprising: a TV signal board, a display signal board, a light source, a light modulation device, and a lens;
the TV signal board is used for acquiring a video signal of a video to be displayed and analyzing the video signal of the video to be displayed so as to obtain first image data of a current frame image, wherein the first image data comprises data of all primary color pixel components of the frame image;
the TV signal board is further configured to determine a first primary color pixel component corresponding to the frame image, and send second image data of the frame image to the display signal board, where the second image data includes data of at least two primary color pixel components except the first primary color pixel component corresponding to the frame image;
the display signal plate is used for receiving second image data of the frame image, sending a first driving signal to the light source so that the light source sequentially provides three primary color light beams, and sending a second driving signal to the light modulation device according to the second image data of the frame image so that the light modulation device modulates the three primary color light beams provided by the light source;
and the lens is used for projecting and imaging the modulated tricolor light beams.
11. The apparatus according to claim 10, wherein said TV signal board, when determining the corresponding first primary color pixel components of said frame image, is specifically configured to:
according to a current frame image of a video to be displayed, according to a first primary color pixel component corresponding to a previous frame image and a preset arrangement sequence of each primary color pixel component, taking an adjacent primary color pixel component positioned behind the first primary color pixel component corresponding to the previous frame image in the arrangement sequence as a first primary color pixel component corresponding to the frame image.
12. The apparatus according to claim 10, wherein said TV signal board, when determining the corresponding first primary color pixel components of said frame image, is specifically configured to:
acquiring the number of effective pixels of each primary color pixel component under the frame image;
acquiring the number of effective pixels of each primary color pixel component under the previous frame of image;
calculating and obtaining the change rate of each primary color pixel component according to the number of effective pixels of each primary color pixel component under the frame image and the previous frame image;
and taking the primary color pixel component with the minimum change rate as the first primary color pixel component corresponding to the frame image.
13. The apparatus according to claim 10, wherein said TV signal board, when determining the corresponding first primary color pixel components of said frame image, is specifically configured to:
triggering and executing the current frame image of the video to be displayed based on a preset triggering strategy, and determining a first primary color pixel component corresponding to the frame image; wherein the trigger policy comprises: the method comprises the following steps of triggering execution for each frame of image of a video to be displayed or triggering execution for a preset number of frames of images at intervals.
14. The apparatus according to claim 10, wherein the display signal board, when displaying the frame image according to the second image data of the frame image, is specifically configured to:
analyzing second image data of the frame image to obtain data of at least two primary color pixel components of the frame image;
determining a first primary color pixel component corresponding to the frame image, and taking data of the first primary color pixel component corresponding to the frame image in image data of a previous frame image as data of the first primary color pixel component corresponding to the frame image;
and sequentially sending data of at least two primary color pixel components of the frame image and data of a first primary color pixel component corresponding to the frame image to a display module so that the display module displays the frame image.
15. The apparatus according to claim 10, wherein the display signal board, when displaying the frame image according to the second image data of the frame image, is specifically configured to:
analyzing second image data of each frame image of a video to be displayed to obtain data of at least two primary color pixel components of the frame image;
integrating data of at least two primary color pixel components of each frame of image according to the display sequence of each frame of image of the video to be displayed, and sequentially sending the integrated data to a display module so as to enable the display module to display the frame of image of the video to be displayed.
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