Display method and device for displaying digital human on multi-connected screen

Abstract

The invention discloses a display method and device for displaying a digital person on a multi-connected screen, and the method comprises the steps: analyzing a signal of a first image and a signal of the digital person through first equipment, and displaying the digital person on the multi-connected screen according to the display specification of the multi-connected screen and the display positions and / or proportions of the first image and the digital person on the multi-connected screen, typesetting the first image and the digital person; display information about the first image and the digital person obtained after typesetting is sent to a second device; the second equipment cuts the display information according to the display specification of the multi-connected screen so as to remove a blank area in the display information; and the second equipment sends the cut display information to the multi-connected screen for display. According to the invention, the first device and the second device cooperatively process the first image and the signal of the digital human displayed on the multi-connected screen, so that the requirement on the hardware performance of the device can be reduced, and the fluency of multi-connected screen display is improved.

Description

Technical Field

[0001] The present application relates to the field of multimedia technology, and in particular to a method and device for displaying a digital human on a multi-screen. Background Art

[0002] Digital humans are virtual characters created with digital technology. They have similar appearance and form to humans, and can show similar physiological, psychological and social performances to real humans. Digital humans can be divided into many types, such as 2D and 3D, real-life driven and AI driven, content / IP type, functional service type and virtual avatar. Digital humans are widely used in many fields, such as movies, games and virtual reality in the entertainment industry, and intelligent customer service and virtual spokespersons in the business field. Applying digital humans to song on demand can improve the expressiveness of the displayed content of the song.

[0003] The GPU performance of existing display control devices (embedded devices) is relatively poor. After controlling and running multiple screens, they are generally unable to run and display other content.

[0004] Currently, 3D digital humans require a lot of computation and are generally controlled and displayed through the GPU of a display control device. If the GPU performance of a display control device (embedded device) is limited, it is basically impossible to display 3D digital humans and other multimedia resources at the same time.

[0005] In digital entertainment venues, when using multiple screens to simultaneously display song MVs and digital humans, the performance requirements for the display and control devices of the multiple screens are very high. Especially in high-definition display scenarios such as 8K, the hardware performance of current display and control devices cannot support the simultaneous display of MVs and the operation of 3D digital humans. Summary of the invention

[0006] In view of the above problems, the present application provides a method for displaying digital people on a multi-screen, which is used to solve the technical problem that displaying digital people on a multi-screen has high requirements on the display and control equipment.

[0007] To achieve the above-mentioned purpose, the present application provides a method for displaying a digital human on a multi-screen, comprising the following steps:

[0008] parsing the signal of the first image and the signal of the digital human by the first device;

[0009] The first device arranges the first image and the digital human according to the display specifications of the multi-screen and the positions and / or proportions of the first image and the digital human displayed on the multi-screen, so that the first image and the digital human are located within the display area of ​​the multi-screen, and the arrangement includes zooming and panning;

[0010] The first device sends the display information about the first image and the digital human obtained after typeset to the second device;

[0011] The second device cuts the display information according to the display specification of the multi-screen;

[0012] The second device sends the cropped display information to the multi-screen for display.

[0013] Furthermore, the digital human is displayed at one end of the length direction of the multi-screen, and occupies 1 / N of the area of ​​the multi-screen, where N is a positive integer greater than 2; the first image occupies (N-1) / N of the multi-screen;

[0014] The typesetting of the first image and the digital human comprises:

[0015] The length and width of the digital human are reduced to 1 / N of the layout interface of the first device, where N is a positive integer greater than 2; and the reduced digital human is laid out at one end of the length direction of the multi-screen;

[0016] The length and width of the first image are respectively reduced to (N-1) / N of the layout interface of the first device; and the reduced first image is translated to the other end of the length direction of the multi-screen.

[0017] Furthermore, the first device also sends control information to the second device;

[0018] The second device generates a second image according to the control information, and switches to display the digital human or the second image in the display area of ​​the digital human, wherein the second image includes a mirror image of the first image, a partial mirror image of the first image, or any one of other special effect images.

[0019] Furthermore, the first device is a multimedia on-demand device, the second device is a display control device of the multi-screen; and the first image is a MV of a song on demand.

[0020] Furthermore, the first device sends the display information to the second device via an HDMI cable, and the first device sends the control information to the second device via a network or a serial port.

[0021] Furthermore, the multi-screen is formed by splicing four display screens, the digital human is displayed on the fourth display screen of the multi-screen, and the first image is displayed on the first to third display screens of the multi-screen.

[0022] Furthermore, the second device crops the display information through a GPU to remove blank areas in the display information.

[0023] In order to solve the above technical problems, this application also provides another technical solution:

[0024] A display device for displaying a digital human on a multi-screen, comprising:

[0025] A first device is used to parse the signal of the first image and the signal of the digital human, and layout the first image and the digital human according to the display specifications of the multi-screen and the positions and / or proportions of the first image and the digital human displayed on the multi-screen, so that the first image and the digital human are located in the display area of ​​the multi-screen, wherein the layout includes zooming and panning; and send the display information of the first image and the digital human obtained after the layout to the second device;

[0026] The second device is used to crop the display information according to the display specification of the multi-screen to remove the blank area in the display information; and send the cropped display information to the multi-screen for display.

[0027] Furthermore, the digital human is displayed at one end of the length direction of the multi-screen, and occupies 1 / N of the area of ​​the multi-screen, where N is a positive integer greater than 2; the first image occupies (N-1) / N of the multi-screen;

[0028] The typesetting of the first image and the digital human comprises:

[0029] The length and width of the digital human are reduced to 1 / N of the layout interface of the first device, where N is a positive integer greater than 2; and the reduced digital human is laid out at one end of the length direction of the multi-screen;

[0030] Reducing the length and width of the first image to (N-1) / N of the layout interface of the first device respectively; and translating the reduced first image to the other end of the length direction of the multi-screen;

[0031] The first device also sends control information to the second device;

[0032] The second device generates a second image according to the control information, and switches to display the digital human or the second image in the display area of ​​the digital human, wherein the second image includes a mirror image of the first image, a partial mirror image of the first image, or any one of other special effect images.

[0033] Furthermore, the first device is a multimedia on-demand device, and the second device is a display control device of the multi-screen; the first image is a MV of an on-demand song; the first device sends the display information to the second device via an HDMI cable, and the first device sends the control information to the second device via a network or serial port.

[0034] Different from the prior art, the above technical solution typeset the first image and the digital human to be displayed on the multi-screen according to the display specifications of the multi-screen on the first device, and sends the displayed information after typeset to the second device for cropping to cut out the blank area in the displayed information so that the specifications of the displayed information after typeset can adapt to the display specifications of the multi-screen. Therefore, the technical solution can reduce the hardware performance requirements of the device by coordinating the first image and the digital human through two different settings of the first device and the second device.

[0035] The above-mentioned records related to the invention content are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation mode and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present invention and other related contents, and shall not be considered as limiting the present application.

[0037] In the drawings of the specification:

[0038] Figure 1 It is a flowchart of a method for displaying a digital human on a multi-screen according to a specific implementation method;

[0039] Figure 2 This is a schematic diagram of displaying a digital human on a multi-screen according to a specific implementation method;

[0040] Figure 3 It is a schematic diagram of displaying MV and MV mirror image on a multi-screen according to another specific implementation manner;

[0041] Figure 4 A schematic diagram of another specific implementation method for displaying other pictures in the digital human area;

[0042] Figure 5 It is a schematic diagram of another specific implementation method in which a digital portrait is not displayed on a multi-screen;

[0043] Figure 6 A module block diagram of a display device for displaying a digital human on a multi-screen according to a specific implementation method;

[0044] The reference numerals in the above drawings are described as follows:

[0045] 400. Display device for displaying digital human on a multi-screen; 401. First device; 402. Second device; 403. Multi-screen; DETAILED DESCRIPTION

[0046] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0047] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0048] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0049] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0050] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0051] Without further limitations, in this application, the words "include", "comprises", "has" or other similar open-ended expressions used in sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0052] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0053] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0054] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0055] In the related art, when a multi-screen simultaneously displays a digital human and other images, the hardware performance requirements of the display control device of the multi-screen are very high. In particular, in the high-definition display mode, the hardware performance of the display control device cannot support the simultaneous display of multimedia resources and the operation of 3D digital humans. Based on this problem, this embodiment provides a display method for displaying a digital human on a multi-screen. The display method for displaying a digital human on a multi-screen can be applied to various display scenarios that require the simultaneous display of a digital human and another image (i.e., a first image) through a multi-screen. The digital human mentioned in the present invention is a 3D digital human.

[0056] For example, it can be applied to the song-on-demand scene in digital entertainment venues, where the digital person and the MV of the song can be displayed simultaneously through the multi-screen; it can be applied to the stage display of various performances, where the multi-screen is used to display the stage background, and the background video and the digital person related to the performance content can be displayed through the multi-screen. The display method for displaying a digital person on a multi-screen uses more than two devices to collaboratively process the first image and the digital person to be displayed on the multi-screen, so that the first image and the digital person can adapt to the display specifications of the multi-screen, and can reduce the hardware performance requirements for the display control device, making the multi-screen display clearer and smoother.

[0057] See also Figure 1 The method for displaying a digital human on a multi-screen display in this embodiment includes the following steps:

[0058] S101, analyzing a signal of a first image and a signal of a digital human by a first device;

[0059] S102: the first device arranges the first image and the digital human according to the display specifications of the multi-screen and the positions and / or proportions of the first image and the digital human displayed on the multi-screen, so that the first image and the digital human are located within the display area of ​​the multi-screen, wherein the arrangement includes zooming and panning;

[0060] S103, the first device sends the display information about the first image and the digital human obtained after typeset to the second device;

[0061] S104: The second device crops the display information according to the display specification of the multi-screen to remove blank areas in the display information;

[0062] S105: The second device sends the cropped display information to the multi-screen for display.

[0063] In step S101, the first image can be any static image or dynamic video selected according to display needs. The digital human runs on the first device, that is, the digital human is generated using the software and hardware resources of the first device, and the digital human can be displayed on the layout interface of the first device. Among them, the digital human refers to a virtual character image created by digital technology, and the digital human can show physiological, psychological or social performance characteristics similar to real humans. The analysis of the signal of the first image and the signal of the digital human refers to decoding the signal of the first image and the signal of the digital human according to the display setting of the first device to obtain display data with a certain aspect ratio. Among them, the first image can be displayed on the layout interface of the first device. When decoding, the first device also performs the above decoding according to the display requirements of the multi-screen, so that the decoded data meets the display requirements of the multi-screen, for example, the first device decodes the signal of the first image with corresponding clarity (for example, 4K or 8K clarity) according to the clarity requirements of the multi-screen.

[0064] The present invention directly runs the digital human on the first device, and outputs the sound signal and the digital human image to the second device through the first device, so that the digital human's speech matches the mouth shape image. If the digital human is run on the second device, the sound signal output by the first device may not match the digital human's mouth shape image output by the second device.

[0065] In step S102, the display specification of the multi-screen refers to the aspect ratio of the multi-screen. Under normal circumstances, the display specification of the multi-screen includes any one of 4:3, 5:4, 16:10, 21:9, and 16:9. In some other embodiments, the display specification of the multi-screen may be other customized aspect ratios.

[0066] In step S102, the display position and display proportion (i.e., display size) of the digital person on the multi-screen can be determined first, and then the first image can be scaled and translated according to the display position and proportion of the digital person on the multi-screen, so that the first image and the digital person are displayed completely and without deformation to adapt to the display size of the multi-screen.

[0067] The digital human is displayed at one end of the multi-screen in the length direction, and occupies 1 / N of the area of ​​the multi-screen, where N is a positive integer greater than 2; the first image occupies (N-1) / N of the multi-screen;

[0068] The typesetting of the first image and the digital human comprises:

[0069] The length and width of the digital human are reduced to 1 / N of the layout interface of the first device, where N is a positive integer greater than 2; and the reduced digital human is laid out at one end of the length direction of the multi-screen;

[0070] The length and width of the first image are respectively reduced to (N-1) / N of the layout interface of the first device; and the reduced first image is translated to the other end of the length direction of the multi-screen.

[0071] like Figure 2 As shown, in one embodiment, the digital human is displayed on the right end of the multi-screen (if the multi-screen is horizontally spliced ​​by multiple display screens, the digital human is displayed in the last one or several display screens of the multi-screen), and the length and width of the digital human account for 1 / 4 on the layout interface of the first device. At this time, the digital human is first translated to the rightmost end of the layout interface, and then the length and width of the first image are respectively scaled to 3 / 4 of the layout interface of the first device, and finally the scaled first image is translated to the leftmost end of the layout interface and spliced ​​with the left side of the digital human. Then it is sent to the second device via an HDMI cable or other high-speed video transmission cable.

[0072] In other embodiments, the digital human may also be displayed at other positions such as the leftmost or topmost end of the multi-screen, and the length and width of the digital human may account for 1 / 3 or other proportions on the layout interface. For example, when the digital human is displayed at the left end of the multi-screen, and the display proportion of the digital human on the multi-screen is 1 / 3. At this time, the digital human is first translated to the leftmost end of the layout interface, and the length and width display sizes of the first image are scaled to 2 / 3 of the layout interface, and finally the scaled first image is translated to the rightmost end of the layout interface and spliced ​​with the left side of the digital human. The layout methods of the digital human at other proportions and other display positions on the multi-screen are similar to the above-mentioned 1 / 3 and 1 / 4 layout methods, and will not be repeated here.

[0073] like Figure 2 As shown, in the display image corresponding to the display information after the typeset in step S102, there are blank areas around the first image and the digital human. Therefore, in step S103, these blank areas are cropped by the second device to obtain display information adapted to the display specifications of the multi-screen.

[0074] In one embodiment, in addition to sending the display information about the first image and the digital human obtained after the above-mentioned typesetting to the second device, the first device also sends control information to the second device, and the second device generates a second image according to the control information, and switches the display of the digital human or the second image in the display area of ​​the digital human. The second image includes any one of a mirror image of the first image, a partial mirror image of the first image, or other special effect images.

[0075] The control information is used to control the display content of the area where the digital human is located on the multi-screen. That is, the second device can switch to display the digital human or other images on the multi-screen by executing the control information. Figure 3 As shown, for example, at some times, the digital human is not displayed on the multi-screen, but a mirror image of the first image or a mirror image of a partial screen of the first graphic is displayed in the digital human display area. When the first image is a MV of a song, a mirror image of the MV or a mirror image of a partial MV screen is displayed in the display area originally displaying the digital human. Figure 4 As shown, in other embodiments, the second image switched to be displayed in the digital human display area may also be other images selected as needed.

[0076] like Figure 5 As shown, for example, at some times, although the layout interface of the first device layouts the digital human, the digital human is not displayed on the multi-screen, but the mirror image of the first image or the mirror image of the partial screen of the first graphic is displayed in the digital human display area. When the first image is the MV of a song, the mirror image of the MV or the mirror image of the partial MV screen is displayed in the display area originally displaying the digital human.

[0077] In one embodiment, the first device is a multimedia on-demand device, and the second device is a display control device of the multi-screen; the first image is a MV of a song on demand. The multimedia on-demand device is provided with a multimedia on-demand system, through which multimedia resources such as songs, movies, and games can be searched and played on demand. The first device sends the display information to the second device via an HDMI cable, and the first device sends the control information to the second device via a network or a serial port, and the multi-screen is a quad screen formed by splicing four display screens, and the display specification of the multi-screen is 16 to 9 or other aspect ratios. The following is a specific description of displaying digital people and MVs of songs on the multi-screen in this specific embodiment, which specifically includes the following steps:

[0078] 1. With respect to the display specifications of a quad-screen (i.e., a multi-screen), the multimedia on-demand device (i.e., the first device) reduces the MV (i.e., the first image) of the currently requested song, so that the display area of ​​the song MV is reduced to 3 / 4 of the full screen size;

[0079] 2. According to the position of the digital human on the quad screen (the 4th screen), move the MV display area to the left, leaving about 1 / 4 of the area for the digital human display;

[0080] 3. Such as Figure 2 As shown in the left part, after processing in steps 1 and 2, the picture display of the song MV is concentrated in 3 / 4 of the original full-screen area;

[0081] 4 The multimedia on-demand device (i.e., the first device) transmits the processed image to the display control device of the quad-screen (i.e., the second device) through the HDMI cable, and sends a command to the display control device at the same time, the command including the control information of the image;

[0082] 5. The display control device crops the transmitted image and removes the area without display content;

[0083] 6. The display control device further processes the image according to the control information, for example:

[0084] 1) If Figure 2 As shown, when a digital person is displayed on the 4th screen, the white area with no display content is cut out:

[0085] 2) When the digital human is not displayed on the 4th screen, a mirror image of the MV partial screen is displayed on the 4th screen.

[0086] In this embodiment, the digital human is run on a multimedia on-demand device (i.e., the song-ordering terminal), and the output screen is rearranged and laid out through the multimedia on-demand device, so that the digital human and the MV of the song are perfectly displayed on the multi-screen at the same time, without problems such as image deformation or loss; and the multimedia on-demand device and the display control device collaboratively share the information processing tasks of the song MV and the digital human, greatly reducing the hardware performance requirements of the display control device, making the image display on the multi-screen smoother. In this embodiment, MV mirroring will be implemented on the display control device, and through control information (i.e., wake-up instructions), the fourth screen can be dynamically controlled to display the MV mirror or the digital human. Through the cooperation of the two devices, it can not only solve the problem of insufficient performance of the four-screen display control device and the inability to run the digital human, but also take into account the problem of display mirroring in a four-screen environment.

[0087] like Figure 6 As shown, in another embodiment, a display device 400 for displaying a digital human on a multi-screen is provided, and the display device 400 for displaying a digital human on a multi-screen includes: a first device 401 and a second device 402. The first device 401 and the second device 402 can be connected via an HDMI cable and / or a network and / or a serial port, and the second device 402 and the multi-screen 403 are also connected via another HDMI cable.

[0088] The first device 401 is used to parse the signal of the first image and the signal of the digital human, and layout the first image and the digital human according to the display specifications of the multi-screen 403 and the positions and / or proportions of the first image and the digital human displayed on the multi-screen, so that the first image and the digital human are located in the display area of ​​the multi-screen, and the layout includes zooming and panning; and send the display information of the first image and the digital human obtained after the layout to the second device;

[0089] The second device 402 is used for cropping the display information according to the display specification of the multi-screen 403 to remove the blank area in the display information; and sending the cropped display information to the multi-screen for display.

[0090] In the above embodiment, the digital human is displayed at one end of the length direction of the multi-screen, and occupies 1 / N of the area of ​​the multi-screen, where N is a positive integer greater than 2; the first image occupies (N-1) / N of the multi-screen;

[0091] The typesetting of the first image and the digital human comprises:

[0092] The length and width of the digital human are reduced to 1 / N of the layout interface of the first device, where N is a positive integer greater than 2; and the reduced digital human is laid out at one end of the length direction of the multi-screen;

[0093] Reducing the length and width of the first image to (N-1) / N of the layout interface of the first device respectively; and translating the reduced first image to the other end of the length direction of the multi-screen;

[0094] The first device also sends control information to the second device;

[0095] The second device generates a second image according to the control information, and switches to display the digital human or the second image in the display area of ​​the digital human, wherein the second image includes a mirror image of the first image, a partial mirror image of the first image, or any one of other special effect images.

[0096] The first device is a multimedia on-demand device, and the second device is a display control device of the multi-screen; the first image is a MV of an on-demand song; the first device sends the display information to the second device via an HDMI cable, and the first device sends the control information to the second device via a network or serial port.

[0097] The 3D digital human is run on a multimedia on-demand device (i.e., the song-ordering terminal), and the output screen is rearranged and laid out through the multimedia on-demand device, so that the digital human and the MV of the song are perfectly displayed on the multi-screen at the same time, without problems such as image deformation or loss; and the multimedia on-demand device and the display control device jointly share the information processing tasks of the song MV and the digital human, which greatly reduces the hardware performance requirements of the display control device, making the image display on the multi-screen smoother. In this embodiment, MV mirroring will be implemented on the display control device, and through control information (i.e., wake-up instructions), the fourth screen can be dynamically controlled to display the MV mirror or the digital human. Through the cooperation of the two devices, it can not only solve the problem of insufficient performance of the four-screen display control device to run the digital human, but also take into account the problem of display mirroring in a four-screen environment.

[0098] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A method for displaying a digital human on a multi-screen display, characterized in that: The following steps are involved: parsing the signal of the first image and the signal of the digital human by the first device; The first device arranges the first image and the digital human according to the display specifications of the multi-screen and the positions and / or proportions of the first image and the digital human displayed on the multi-screen, so that the first image and the digital human are located within the display area of ​​the multi-screen, and the arrangement includes zooming and panning; The first device sends the display information about the first image and the digital human obtained after typeset to the second device; The second device cuts the display information according to the display specification of the multi-screen; The second device sends the cropped display information to the multi-screen for display.

2. The method for displaying a digital human on a multi-screen according to claim 1, characterized in that: The digital human is displayed at one end of the length direction of the multi-screen, and occupies 1 / N of the area of ​​the multi-screen, where N is a positive integer greater than 2; The first image occupies (N-1) / N of the multi-screen; The typesetting of the first image and the digital human comprises: The length and width of the digital human are reduced to 1 / N of the layout interface of the first device, where N is a positive integer greater than 2; and the reduced digital human is laid out at one end of the length direction of the multi-screen; The length and width of the first image are respectively reduced to (N-1) / N of the layout interface of the first device; and the reduced first image is translated to the other end of the length direction of the multi-screen.

3. The method for displaying a digital human on a multi-screen according to claim 1, characterized in that: The first device also sends control information to the second device; The second device generates a second image according to the control information, and switches to display the digital human or the second image in the display area of ​​the digital human, wherein the second image includes a mirror image of the first image, a partial mirror image of the first image, or any one of other special effect images.

4. The method for displaying a digital human on a multi-screen according to claim 3, characterized in that: The first device is a multimedia on-demand device, the second device is a display control device of the multi-screen; the first image is a MV of a song on demand.

5. The method for displaying a digital human on a multi-screen according to claim 4, characterized in that: The first device sends the display information to the second device via an HDMI cable, and the first device sends the control information to the second device via a network or a serial port.

6. The method for displaying a digital human on a multi-screen according to claim 1, characterized in that: The multi-screen is formed by splicing four display screens, the digital human is displayed on the fourth display screen of the multi-screen, and the first image is displayed on the first to third display screens of the multi-screen.

7. The method for displaying a digital human on a multi-screen according to claim 1, characterized in that: The second device crops the display information through a GPU to remove blank areas in the display information.

8. A display device for displaying a digital human on a multi-screen, characterized in that: include: A first device is used to parse the signal of the first image and the signal of the digital human, and layout the first image and the digital human according to the display specifications of the multi-screen and the positions and / or proportions of the first image and the digital human displayed on the multi-screen, so that the first image and the digital human are located within the display area of ​​the multi-screen, and the layout includes zooming and panning; and sending the display information about the first image and the digital human obtained after typeset to the second device; The second device is used to crop the display information according to the display specification of the multi-screen; and send the cropped display information to the multi-screen for display.

9. The display device for displaying digital human on a multi-screen according to claim 8, characterized in that: The digital human is displayed at one end of the length direction of the multi-screen, and occupies 1 / N of the area of ​​the multi-screen, where N is a positive integer greater than 2; The first image occupies (N-1) / N of the multi-screen; The typesetting of the first image and the digital human comprises: The length and width of the digital human are reduced to 1 / N of the layout interface of the first device, where N is a positive integer greater than 2; and the reduced digital human is laid out at one end of the length direction of the multi-screen; Reducing the length and width of the first image to (N-1) / N of the layout interface of the first device respectively; and translating the reduced first image to the other end of the length direction of the multi-screen; The first device also sends control information to the second device; The second device generates a second image according to the control information, and switches to display the digital human or the second image in the display area of ​​the digital human, wherein the second image includes a mirror image of the first image, a partial mirror image of the first image, or any one of other special effect images.

10. The display device for displaying digital human on a multi-screen according to claim 9, characterized in that: The first device is a multimedia on-demand device, and the second device is a display control device of the multi-screen; the first image is a MV of an on-demand song; the first device sends the display information to the second device via an HDMI cable, and the first device sends the control information to the second device via a network or serial port.

11. The display device for displaying digital human on a multi-screen according to claim 8, characterized in that: The first device and the second device are both embedded devices.

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