CN109525876B - Display screen, virtual video insertion method, system and computer storage medium - Google Patents
Display screen, virtual video insertion method, system and computer storage mediumDownload PDFInfo
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- CN109525876B CN109525876BCN201811337555.XACN201811337555ACN109525876BCN 109525876 BCN109525876 BCN 109525876BCN 201811337555 ACN201811337555 ACN 201811337555ACN 109525876 BCN109525876 BCN 109525876B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4223—Cameras
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
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- General Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Marketing (AREA)
- Controls And Circuits For Display Device (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Technical Field
The invention relates to the technical field of video transmission and playing, in particular to a display screen, a virtual video insertion method, a virtual video insertion system and a computer storage medium.
Background
At present, the video of a plurality of large-scale sports events is broadcasted in a plurality of areas all over the world, and audiences of advertisement videos played by display screens in the sports stadiums are also spread all over the world.
However, the audience is too wide, and there are many differences such as nationality, language, religion, culture or customs. Therefore, the advertisement in the live broadcast often only can generate positive effect for the customers in partial areas, and the customers in other areas can not recognize, can not identify or generate conflict situations. Therefore, the advertisement putting effect in the live broadcast needs to be improved.
Disclosure of Invention
The invention mainly aims to provide a display screen, a virtual video insertion method, a virtual video insertion system and a computer storage medium, and aims to improve the pertinence of live broadcast advertisements.
In order to achieve the above purpose, the display screen provided by the present invention has a visible light line for emitting visible light and an infrared line for emitting infrared light on a display surface of the display screen.
Optionally, the display screen includes a plurality of LED lamp beads arranged on the display surface and used for forming display pixels, where the LED lamp beads include a visible light line for emitting visible light and an infrared line for emitting infrared light.
The invention also provides a virtual video inserting method, which comprises the following steps:
obtaining an image video and an infrared video;
acquiring a spot area in the image video according to the infrared video;
generating a virtual video for replacing the picture in the playing area according to the inter-cut area;
and synthesizing the virtual video and the image video into a separate broadcast video.
Optionally, the generating a virtual video for replacing a picture in the play area according to the inter-cut area includes:
acquiring pixel point information of a preset launched video and pixel point information of the inter-cut region;
and replacing the pixel points of the released video at the corresponding positions of the inter-cut area point to generate a virtual video for replacing the picture in the play area.
Optionally, the virtual video insertion method further includes:
and sending the distributed video comprising the set release video to a corresponding address.
The invention also provides a virtual video insertion system, which comprises a display screen, camera equipment, a virtual video image server and a video editing server;
the display screen is provided with a visible light line for emitting visible light and an infrared line for emitting infrared light, and is used for displaying visible light content and emitting infrared light for displaying positions;
the camera shooting device comprises a visible light recording module and an infrared light recording module which moves synchronously with the visible light recording module and is used for recording visible light to generate image video and recording infrared light to generate infrared video.
The virtual video image server is used for obtaining an infrared video, obtaining an inter-cut area in the image video according to the infrared video, and generating a virtual video for replacing pictures in the play area according to the inter-cut area;
the video editing server is used for obtaining an image video and a virtual video and synthesizing the virtual video and the image video into a broadcast video.
Optionally, the generating, by the virtual video image server, a virtual video for replacing a picture in the play area according to the inter-cut area includes:
acquiring pixel point information of a preset launched video and pixel point information of the inter-cut region;
and replacing the pixel points of the released video at the corresponding positions of the inter-cut area point to generate a virtual video for replacing the picture in the play area.
Optionally, the display screen includes a plurality of LED lamp beads arranged on the display surface and used for forming display pixels, where the LED lamp beads include a visible light line for emitting visible light and the infrared line for emitting infrared light;
the infrared video recorded by the infrared recording module comprises infrared light emitting source regions which are distributed in a surface shape.
Optionally, the virtual video insertion system further includes a terminal system server, where the terminal system server is configured to send the split video including the set release video to a corresponding address.
The invention also provides a computer storage medium, which is characterized in that a virtual video insertion program is stored on the computer storage medium, and the steps of the virtual video insertion method are realized when the virtual video insertion program is executed by a processor.
The display screen provided by the technical scheme of the invention can display the infrared light while displaying the picture content. Therefore, the external camera can capture visible light pictures and infrared light at the same time. And because in the visible light picture, include the display screen and can also include the background picture; the infrared light is only generated on the display screen, so that the external part can capture the infrared light emitted by the display screen, thereby determining the position of the display surface of the display screen. And further help is provided for the inter cut of the virtual video, different advertisements are played aiming at different regions, and the effect of improving the pertinence of the advertisements is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the LED lamp bead in FIG. 1;
FIG. 3 is a schematic diagram of a top view structure and pins of the LED lamp bead of FIG. 2;
FIG. 4 is a schematic diagram of a circuit structure of the LED lamp bead in FIG. 2;
FIG. 5 is a flowchart illustrating a virtual video insertion method according to an embodiment of the present invention;
fig. 6 is an effect diagram of an application example of the virtual video insertion method shown in fig. 5;
FIG. 7 is a graph showing the effect of the variation of the application example in FIG. 6;
FIG. 8 is a schematic flowchart of step S120 in FIG. 5;
FIG. 9 is a block diagram of a virtual video insertion system according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment discloses a display screen.
Referring to fig. 1, the display screen includes a display surface for displaying picture content. In this embodiment, the display surface is formed by combining a plurality of rectangular display modules.
Thedisplay screen 100 has a visible light line for emitting visible light and an infrared line for emitting infrared light on a display surface. The visible light line is used for displaying picture contents, such as a still picture, a moving picture, a color picture, a black and white picture, and the like. The visible light line can be a functional line for illuminating a canvas, a liquid crystal display, an LED display or a plasma display and the like. The infrared line may be a functional line of a thermal radiation infrared light source, a gas discharge light source, or a laser infrared light source scheme, etc.
In operation, the display screen provided by the embodiment displays the image content and simultaneously displays the infrared light. Therefore, the external camera can capture visible light pictures and infrared light at the same time. And because in the visible light picture, include the display screen and can also include the background picture; the infrared light is only generated on the display screen, so that the external part can determine the position of the display surface of the display screen by capturing the infrared light emitted by thedisplay screen 100. And further help is provided for the inter cut of the virtual video, different advertisements are played aiming at different regions, and the effect of improving the pertinence of the advertisements is achieved.
Referring to fig. 2 in a further embodiment, in the present embodiment, thedisplay screen 100 includes a plurality ofLED beads 110 disposed on the display surface and used for forming display pixels, where theLED beads 110 include a visible light line for emitting visible light and the infrared line for emitting infrared light. In the present embodiment, each of theLED lamp beads 110 constituting a pixel includes a function of emitting infrared light, so that when thedisplay screen 100 is operated, the display screen can show a content picture in a planar manner and can also show an infrared light picture in a planar manner. So that the position and area of the content picture can be directly determined by the position and area of the infrared light picture when the picture is captured by the external camera.
Of course, in other embodiments, a part of the LED lamp beads may also include a function of emitting infrared light, for example, only the edge of the display surface includes, so as to form a "mouth" shape; or the adjacent edges of the display surface are included, so that an L shape is formed; further alternatively, the interior of the display surface may be formed with a special pattern, such as a single "X" shape, or a plurality of "X" shapes in series. Therefore, when the external camera captures the picture, the position and the area of the infrared picture can be calculated through rectangle fitting, and the position and the area of the content picture can be determined.
Specifically, referring to fig. 3 and fig. 4, in the present embodiment, a circuit diagram of theLED lamp bead 110 is shown in fig. 3, and includespins pin pin
Example two
The embodiment provides a virtual video insertion method.
Referring to fig. 5, the virtual video insertion method includes:
step S110, obtaining an image video and an infrared video; the image video is a visible light picture in live broadcasting, such as live broadcasting of a match. The infrared video is an infrared picture emitted by a preset on-site device, such as an infrared light actively emitted by a display screen of a billboard displayed on the site.
Step S120, obtaining a cut-in area in the image video according to the infrared video; wherein, the spot area can be obtained according to the light emitting condition of infrared light on the billboard on site. For example, if the planar infrared light is displayed on a billboard, the area occupied by the planar infrared light is used as a spot area; or infrared light such as a Chinese character 'kou', an 'L' and an 'X' is displayed on the billboard, and the infrared light is fitted into a rectangular area as a spot area through calculation. In the conventional scheme, a rectangle is generally used as the display surface shape of the billboard, and therefore, in the present embodiment, a rectangular region is adopted. Of course, other shaped regions may also be formed by fitting, such as ovals, pentagons, hexagons, and the like. In the embodiment, the image video and the infrared video need to be subjected to position coincidence, and the coincidence can be obtained by performing coincidence calculation according to the position of a specific mark; for example, when the infrared camera and the visible light camera are at relatively fixed angles and distances, a fixed formula can be used for calculation so as to enable the pictures to be overlapped; if the infrared camera and the visible camera are relatively moving, a more complex formula with variables is required to calculate so that the pictures coincide.
Step S130, generating a virtual video for replacing the picture in the playing area according to the inter-cut area; the virtual video may be a customized picture, such as advertisement content in local languages for different countries or regions. The advertisement contents can be prepared in advance and stored in a certain database, so that the advertisement contents can be called as required. And when the advertisement contents are called to produce the virtual video, the advertisement contents can be subjected to effect processing such as size adjustment, frame cutting or lens distortion and the like according to the size of the spot area.
Step S140, the virtual video and the image video are synthesized into a separate broadcast video. The virtual video covers the inter-cut area in the image video, so that the virtual video is synthesized into a separate video different from the image video. For example, the original image shows that the image video is live broadcast of a hockey game, a circle of coaming at the edge of the hockey field can play advertisements, and English advertisements are played on the coaming on the scene. Through the processed sub-broadcast video, wherein the inserting area is a circle at the edge of the ice hockey field and is a coaming of the display, and through the replacement operation, Russian advertisements are played on the coaming. This alternative process is similar to the variation of fig. 6 and 7.
Therefore, the virtual video insertion method provided by the embodiment obtains the image video and the infrared video; then, acquiring a spot area in the image video according to the infrared video; then generating a virtual video for replacing pictures in the playing area according to the inter-cut area; and then synthesizing the virtual video and the image video into a broadcast video. Therefore, different sub-broadcast videos generated aiming at different countries or regions can be obtained, and the effect of replacing advertisements in the live broadcast videos and having stronger pertinence is achieved.
Referring to fig. 8, further, in this embodiment, the generating a virtual video for replacing pictures in the play area according to the inter-cut area includes:
step S210, obtaining pixel point information of a preset launched video and pixel point information of the inter-cut region; the preset launching video is an advertisement video which is made in advance and stored, and the required launching video can be selected through an instruction to launch. The pixel points of the playing area can be various, such asrectangular pixels 100 × 100; or a rectangle distorted, for example, 100 pixels long, 100 pixels wide near and 70 pixels wide far.
And step S220, replacing the pixel points at the corresponding positions of the inter-cut area with the pixel points of the released video point to point, and generating a virtual video for replacing the picture in the play area. And generating a virtual video which is as wide as the inter-cut area through point-to-point replacement. Therefore, when partial content on the billboard is shielded by field personnel, the shielding effect can be displayed.
Referring to fig. 5 again, in this embodiment, the virtual video insertion method further includes:
and S150, sending the distributed video including the set release video to a corresponding address. The broadcast video may include a set identifier for identifying and distributing to a corresponding address. Thereby enabling the separately-available video to be distributed to different countries and regions.
EXAMPLE III
The embodiment provides a virtual video insertion system.
The virtual video insertion system in this embodiment adopts the display screen and the virtual video insertion method in the above embodiments. For the sake of brevity and clarity, the present embodiment is explained by using the reference numerals and meanings in the above embodiments.
Referring to fig. 9, the video insertion system includes adisplay screen 100, acamera apparatus 200, a virtualvideo image server 300, and avideo editing server 400.
Thedisplay screen 100 has a visible light line for emitting visible light and an infrared line for emitting infrared light for displaying visible light content and emitting infrared light for displaying a position on the display surface.
Theimage capturing apparatus 200 includes a visiblelight recording module 210, and an infraredlight recording module 220 that moves in synchronization with the visiblelight recording module 210, and is configured to record visible light to generate an image video and record infrared light to generate an infrared video.
The virtualvideo image server 300 is configured to obtain an infrared video, obtain an inter-cut area in the image video according to the infrared video, and generate a virtual video for replacing a picture in the play area according to the inter-cut area;
thevideo editing server 400 is configured to obtain an image video and a virtual video, and synthesize the virtual video and the image video into a broadcast video.
In operation, the virtual video insertion system provided by the present embodiment displays thescreen 100, and displays the infrared light while displaying the picture content. So that theimage pickup apparatus 200 can capture a visible light picture while also capturing infrared light. And because in the visible light picture, include the display screen and can also include the background picture; since infrared light is generated only on the display screen, theimage capturing apparatus 200 can determine the position of the display surface of the display screen by capturing the infrared light emitted from thedisplay screen 100. Further, an image video and an infrared video are obtained through the virtualvideo image server 300; then, acquiring a spot area in the image video according to the infrared video; then generating a virtual video for replacing pictures in the playing area according to the inter-cut area; thevideo editing server 400 then synthesizes the virtual video and the image video into a broadcast video. Therefore, different sub-broadcast videos generated aiming at different countries or regions can be obtained, and the effect of replacing advertisements in the live broadcast videos and having stronger pertinence is achieved.
Further, the generating, by the virtualvideo image server 300, a virtual video for replacing a picture in the play area according to the inter-cut area includes:
acquiring pixel point information of a preset launched video and pixel point information of the inter-cut region;
and replacing the pixel points of the released video at the corresponding positions of the inter-cut area point to generate a virtual video for replacing the picture in the play area.
In this embodiment, a virtual video that is the same as the extent of the inter-cut area is generated by performing point-to-point pixel replacement. Therefore, when partial content on the billboard is shielded by field personnel, the shielding effect can be displayed.
Further, thedisplay screen 100 includes a plurality ofLED lamp beads 110 arranged on the display surface and used for forming display pixels, where theLED lamp beads 110 include a visible light line for emitting visible light and the infrared line for emitting infrared light.
The infrared video recorded by the infrared recording module comprises infrared light emitting source regions which are distributed in a surface shape.
In this embodiment, the infrared light is generated in the full display surface range through the display surface of thedisplay screen 100, so that the infrared picture and the video picture can be synchronized, that is, the advertisement recorded in a certain position and range in the video picture will be recorded in the infrared picture with the infrared light in the same position and range. The system can thus directly obtain the spot area by the position and range of the infrared light, thus making the system calculation simpler.
Further, the virtual video insertion system further includes aterminal system server 500, where theterminal system server 500 is configured to send the divided videos including the set delivery video to corresponding addresses. The broadcast video may include a set identifier for identifying and distributing to a corresponding address. Thereby enabling the separately-available video to be distributed to different countries and regions.
Example four
The present embodiments provide a computer storage medium.
The computer storage medium has stored thereon a virtual video insertion program which, when executed by a processor, implements the steps of the virtual video insertion method as described in the embodiments above.
Since the present embodiment has all the technical features of the virtual video insertion method, the present embodiment also has the beneficial effects of the virtual video insertion method. Please refer to the above embodiments, which are not described herein.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A virtual video insertion method is characterized in that the virtual video insertion method is applied to a display screen; the display screen comprises a plurality of LED lamp beads arranged on a display surface and used for forming display pixels, wherein each LED lamp bead comprises a visible light line used for emitting visible light and an infrared line used for emitting infrared light; the display screen is used for emitting visible light through the LED lamp beads to form picture content and emitting infrared light through the LED lamp beads;
the virtual video inserting method comprises the following steps:
obtaining an image video and an infrared video;
acquiring a spot area in the image video according to the infrared video;
generating a virtual video for replacing pictures in a playing area according to the inter-cut area;
and synthesizing the virtual video and the image video into a separate broadcast video.
2. The virtual video insertion method according to claim 1, wherein said generating a virtual video for replacing a picture in a play area according to the insertion area comprises:
acquiring pixel point information of a preset launched video and pixel point information of the inter-cut region;
and replacing the pixel points of the released video at the corresponding positions of the inter-cut area point to generate a virtual video for replacing the picture in the play area.
3. The virtual video insertion method according to claim 1, wherein the virtual video insertion method further comprises:
and sending the distributed video comprising the set release video to a corresponding address.
4. A virtual video insertion system is characterized by comprising a display screen, a camera device, a virtual video image server and a video editing server;
the display screen comprises a plurality of LED lamp beads arranged on a display surface and used for forming display pixels, wherein each LED lamp bead comprises a visible light line used for emitting visible light and an infrared line used for emitting infrared light; the display screen is used for emitting visible light through the LED lamp beads to form picture content and emitting infrared light through the LED lamp beads;
the camera shooting equipment comprises a visible light recording module and an infrared light recording module which moves synchronously with the visible light recording module and is used for recording visible light to generate an image video and recording infrared light to generate an infrared video;
the virtual video image server is used for obtaining an infrared video, obtaining an inter-cut area in the image video according to the infrared video, and generating a virtual video for replacing pictures in a play area according to the inter-cut area;
the video editing server is used for obtaining an image video and a virtual video and synthesizing the virtual video and the image video into a broadcast video.
5. The virtual video insertion system according to claim 4, wherein said generating a virtual video for replacing a picture in a play area according to the insertion area in the virtual video image server comprises:
acquiring pixel point information of a preset launched video and pixel point information of the inter-cut region;
and replacing the pixel points of the released video at the corresponding positions of the inter-cut area point to generate a virtual video for replacing the picture in the play area.
6. The virtual video insertion system according to claim 4, wherein the virtual video insertion system further comprises a terminal system server for sending the divided video including the set delivered video to a corresponding address.
7. A computer storage medium having stored thereon a virtual video insertion program which, when executed by a processor, implements the steps of the virtual video insertion method of any of claims 1 to 3.
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| CN107071322A (en)* | 2017-04-27 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Video record and processing system and method |
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