CN115720279A - Method and device for displaying any special effect in live scene - Google Patents
Method and device for displaying any special effect in live scene Download PDFInfo
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- CN115720279A CN115720279A CN202211448017.4A CN202211448017A CN115720279A CN 115720279 A CN115720279 A CN 115720279A CN 202211448017 A CN202211448017 A CN 202211448017A CN 115720279 A CN115720279 A CN 115720279A
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Abstract
The invention provides a method and a device for showing any special effect in a live broadcast scene, which are applied to the technical field of network live broadcast.A live broadcast stream is acquired, sound data in the live broadcast stream is analyzed and processed and converted into characters, image data in the live broadcast stream is analyzed and processed, and an image is divided into a plurality of areas; the plurality of regions includes: portrait area, thing area, and blank area; then, inquiring a live broadcast special effect database according to the characters, and determining a used live broadcast special effect; and then, according to the size of the blank area, adjusting the size of the live broadcast special effect, and displaying the live broadcast special effect in the blank area. The invention can automatically recognize the sound of the anchor in the live broadcast, match the corresponding interactive special effect according to the recognition result, and display the special effect in the blank area according to the image recognition, can build a hot game interaction effect to attract the eyeballs of the audiences to stay in the live broadcast room under the condition of not influencing the live broadcast content, and improves the online watching number of the live broadcast room at the current time.
Description
Technical Field
The invention relates to the technical field of network live broadcast, in particular to a method and a device for showing any special effect in a live broadcast scene, electronic equipment and a storage medium.
Background
With the development of network technology, live broadcast technology has emerged in recent years, video live broadcast is endowed with entertainment and social attributes, and live broadcast watching becomes a mainstream entertainment form. The special effect technology is also widely applied to live broadcasting, better experience and participation sense can be shown to audiences through the live broadcasting special effect, but the abuse of the special effect can lead to the reduction of customer experience, and how to correctly use the special effect becomes more important.
Therefore, when the special effect is used, the live broadcast content of the anchor, the live broadcast scene, the live broadcast time and other factors need to be considered, at present, because the influence of the problems of noise, accent, over-fast speech speed and the like exists in the live broadcast, an analysis error exists, and the Chinese language has a plurality of homophonic characters and homophonic words, so that the machine is difficult to correctly identify without contacting the context, and the used special effect is not suitable. And when the special effect is displayed, because the used special effect needs to be analyzed and judged by semantics, delay exists in the display of the special effect, and if a plurality of people or objects exist in a live broadcast picture, the displayed special effect can possibly shield the people or the objects, so that the watching experience of audiences is deteriorated.
Disclosure of Invention
The invention provides a method, device electronic equipment and storage medium for displaying any special effect in a live broadcast scene, which can automatically recognize the sound of a main broadcast during live broadcast, match the corresponding interactive special effect according to the recognition result, and display the special effect in a blank area according to image recognition.
In a first aspect, an embodiment of the present invention provides a method for presenting any special effect in a live scene, including:
acquiring a live stream; the live stream includes image data and sound data;
analyzing and processing the sound data, and converting the sound data into characters;
analyzing and processing the image data, and dividing the image into a plurality of areas;
wherein the plurality of regions includes: portrait area, thing area, and blank area;
inquiring a live broadcast special effect database according to the characters and determining a used live broadcast special effect;
the live special effect comprises one or more of the following items: linking a countdown effect, a live broadcast room theme decoration effect or a full-screen poster activity publicity effect;
and adjusting the size of the live special effect according to the size of the blank area, and displaying the live special effect in the blank area.
Through above-mentioned technical scheme, pronunciation when can the automatic identification live broadcast, according to the interactive special effect that the speech content matching corresponds, build the interactive sense of the game of warmth and attract spectator's eyeball and let spectator stop in the live broadcast room, or show live broadcast room welfare and attract spectator to stop in the live broadcast room with this, promote the online number of watching of live broadcast room at the time now, and show the special effect in the blank area through image recognition, under the condition that does not influence live broadcast content, increase live broadcast's heat.
Optionally, obtaining a live stream includes:
acquiring application information corresponding to the application according to the window title and the brief introduction of the application;
judging the type of the application according to the application information;
and if the application is the live application, acquiring the live stream of the live application.
By the technical scheme, the live stream can be directly acquired, the voice and the picture in the live stream are analyzed, the image and voice acquisition steps are reduced, and the timeliness of special effect display can be improved.
Optionally, analyzing and processing the image data to divide the image into a plurality of regions includes:
determining a portrait area in the image according to the portrait recognition model;
determining an object area in the image according to the object identification model, and labeling the type of the object in the image;
the area except for the portrait area and the thing area in the image is divided into blank areas.
By the technical scheme, the live image can be analyzed in time, the image is divided into different areas, and the special effect can be displayed in the correct area.
Optionally, querying a live special effect database according to the text, and determining a used live special effect includes:
analyzing and processing the characters through a semantic analysis model to determine the corresponding semantics of the characters;
and querying a live special effect database according to the semantics, and determining a live special effect matched with the semantics.
By the technical scheme, the speech content of the anchor in the live broadcast can be accurately analyzed, and the optimal special effect can be quickly matched through analyzing the semantics and displayed on a live broadcast interface.
Optionally, adjusting the size of the live special effect according to the size of the blank area, and displaying the live special effect in the blank area, includes:
through the layer overlapping technology and the green matting technology, the live broadcast special effect is displayed in a blank area.
Optionally, the method further comprises:
presenting windows of all live applications on a user interface;
and the window of the live broadcast application is used for user selection and adding the live broadcast special effect.
In a second aspect, an embodiment of the present invention provides an apparatus for presenting any special effect in a live scene, including:
the acquisition module is used for acquiring a live stream;
wherein the live stream includes image data and sound data;
the analysis processing module is used for analyzing and processing the sound data and converting the sound data into characters; analyzing and processing the image data, and dividing the image into a plurality of areas;
wherein the plurality of regions includes: portrait area, thing area, and blank area;
the determining module is used for inquiring the live broadcast special effect database according to the characters and determining the used live broadcast special effect;
wherein the live special effect comprises one or more of the following items: linking a countdown special effect, a live broadcast room theme decoration special effect or a full screen poster activity propaganda special effect;
and the display module is used for adjusting the size of the live broadcast special effect according to the size of the blank area and displaying the live broadcast special effect in the blank area.
Optionally, the apparatus further comprises:
the selection module is used for presenting windows of all live applications on a user interface;
and the window of the live broadcast application is used for user selection and adding the live broadcast special effect.
In a third aspect, an embodiment of the present invention provides an electronic device, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the method according to any implementation manner of the first aspect when executing the program.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the method according to any of the implementations of the first aspect.
The invention provides a method and a device for showing any special effect in a live broadcast scene, wherein the method comprises the steps of acquiring a live broadcast stream, analyzing and processing sound data in the live broadcast stream, converting the sound data into characters, analyzing and processing image data in the live broadcast stream, and dividing an image into a plurality of areas; the plurality of regions includes: portrait area, thing area, and blank area; then, inquiring a live broadcast special effect database according to the characters, and determining a used live broadcast special effect; and then, according to the size of the blank area, adjusting the size of the live broadcast special effect, and displaying the live broadcast special effect in the blank area. The invention can automatically recognize the sound of the anchor in the live broadcast, match the corresponding interactive special effect according to the recognition result, and display the special effect in the blank area according to the image recognition, can build a hot game interaction effect to attract the eyeballs of the audiences to stay in the live broadcast room under the condition of not influencing the live broadcast content, and improves the online watching number of the live broadcast room at the current time.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of embodiments of the present invention will become more apparent upon consideration of the following detailed description, taken in conjunction with the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements.
Fig. 1 is a flowchart of a method for presenting any special effect in a live scene according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for presenting any special effect in a live broadcast scene according to an embodiment of the present invention;
fig. 3 is a block diagram of an electronic device according to an embodiment of the invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in one or more embodiments of the present disclosure, the technical solutions in one or more embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in one or more embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from one or more of the embodiments described herein without making any inventive step, shall fall within the scope of protection of this document.
It should be noted that, the description of the embodiment of the present invention is only for clearly illustrating the technical solutions of the embodiment of the present invention, and does not limit the technical solutions provided by the embodiment of the present invention.
Fig. 1 is a flowchart of a method for presenting any special effect in a live broadcast scene according to an embodiment of the present invention. As shown in fig. 1, the method includes:
s101, acquiring a live stream.
Optionally, the live stream includes image data and sound data.
Optionally, obtaining a live stream includes:
acquiring application information corresponding to the application according to the window title and the brief introduction of the application;
judging the type of the application according to the application information;
and if the application is the live application, acquiring the live stream of the live application.
Illustratively, live voice can be automatically collected through a sound collector, live pictures can be collected through a camera device, and then the live voice and the live pictures can be analyzed and processed.
S102, analyzing and processing the sound data and converting the sound data into characters; the image data is analyzed and processed to divide the image into a plurality of regions.
Optionally, the plurality of regions comprises: portrait area, thing area, and blank area.
Alternatively, one image may have a plurality of portrait areas and thing areas.
Optionally, analyzing and processing the image data to divide the image into a plurality of regions includes:
determining a portrait area in the image according to the portrait recognition model;
determining an object area in the image according to the object identification model, and labeling the type of the object in the image;
the area except for the portrait area and the thing area in the image is divided into blank areas.
Illustratively, different live broadcast pictures can be acquired, and the live broadcast pictures are processed to be used as training samples and trained to obtain a portrait recognition model. The model can be used for identifying a portrait area in a live broadcast picture, and the portrait area is divided and marked.
For example, a partially live anchor may recommend various types of commodities to viewers, may acquire images of the commodities, and train the images as training samples to obtain the object recognition model. By using the model, information such as the types and names of some commodities existing in the live broadcast picture can be identified, and information such as the types and names of the commodities in the object areas can be marked when the object areas are divided.
Illustratively, other areas except for a portrait area and an object area in the live view are divided into blank areas, and the areas are marked with "for showing special effects".
S103, inquiring a live special effect database according to the characters, and determining the used live special effect.
Optionally, the live effects include one or more of: a linked countdown effect, a live broadcast room theme decoration effect, or a full screen poster activity promotion effect.
Optionally, querying a live special effect database according to the text, and determining a used live special effect includes:
analyzing and processing the characters through a semantic analysis model to determine the corresponding semantics of the characters;
and querying a live special effect database according to the semantics, and determining a live special effect matched with the semantics.
Illustratively, a director in a live broadcast room introduces a product A, performs semantic analysis on the introduced content of the director, analyzes and processes the speaking content of the director by using a semantic analysis model to obtain information such as the name and price of the product A and a link of a product to be recommended, and then queries a broadcast special effect database according to the product name to find a link countdown special effect corresponding to the product from the broadcast special effect database.
And S104, adjusting the size of the live broadcast special effect according to the size of the blank area, and displaying the live broadcast special effect in the blank area.
Optionally, adjusting the size of the live special effect according to the size of the blank area, and displaying the live special effect in the blank area, includes:
through the layer overlapping technology and the green matting technology, the live broadcast special effect is displayed in a blank area.
Illustratively, if it is determined in step S103 that the special effect to be used is a live broadcast room theme decoration special effect, the background of the live broadcast room is replaced by using a green matting technique or a blue matting technique, and the live broadcast room theme decoration special effect is changed into the background of the live broadcast room. The personalized live broadcast room can be built through the technical means, the displayed special effect enables audiences to know the live broadcast action of the current link, the interactivity is achieved, the live broadcast room can be more vigorous, and the time of the audiences staying in the live broadcast room is prolonged.
Illustratively, if it is determined through step S103 that the special effect to be used is the link countdown special effect, the link countdown special effect is added to the blank area using the graph stack addition technique, and the size of the link countdown special effect is adjusted.
Optionally, if the special effect determined in step S103 has a large area required for clear display, and the blank area is small, so that it is difficult to clearly display the special effect in the blank area, the importance of the portrait area and the object area may be determined according to the property of the live broadcast content, and the display mode of the special effect may be determined according to the determination result.
Optionally, weights are set for portrait area and thing area according to the nature of live room content, wherein the weight of portrait area is set to be higher than that of thing area if live broadcast is performance nature, and the weight of thing area is set to be higher than that of portrait area if live broadcast is cargo nature.
Furthermore, weights can be set for different portrait areas and different object areas according to the importance degree of characters in the live broadcast room and the importance degree of objects in the live broadcast room.
Illustratively, if the weight of the portrait area is higher than that of the object area, the size of the special effect is adjusted, and the special effect is displayed in the object area and the blank area.
Furthermore, the transparency of the object area image layer can be adjusted, and the display of the special effect is not influenced as much as possible.
Optionally, a method for showing any special effect in a live scene further includes:
presenting windows of all live applications on a user interface;
and the window of the live broadcast application is used for user selection and adding the live broadcast special effect.
Exemplarily, an application zhitou.exe can be opened, a button of 'adding live pictures' is clicked in an application interface, and a secondary interface is entered; the 'add material' button can be clicked in the secondary interface, all windows which are opened currently are obtained from the screen position of the operating system by applying Zhitou.
Optionally, a method for showing any special effect in a live scene further includes:
the live broadcast content can be known in advance, and a live broadcast special effect display plan can be formulated according to the live broadcast content, and the plan can include: and displaying the special effect in a preset area of a live broadcast picture when the keywords appear in the live broadcast, and displaying the special effect in the preset area of the live broadcast picture when the live broadcast is carried out to a certain moment. By the method, the delay of special effect display in live broadcasting can be further reduced, and the watching experience of a user is improved.
The embodiment of the invention provides a method for showing any special effect in a live broadcast scene, which comprises the steps of acquiring a live broadcast stream, analyzing and processing sound data in the live broadcast stream to convert the sound data into characters, analyzing and processing image data in the live broadcast stream, and dividing an image into a plurality of areas; the plurality of regions includes: portrait area, thing area, and blank area; then, inquiring a live broadcast special effect database according to the characters, and determining a used live broadcast special effect; and then, according to the size of the blank area, adjusting the size of the live broadcast special effect, and displaying the live broadcast special effect in the blank area. The embodiment of the invention can automatically identify the sound of the anchor broadcast during live broadcast, match the corresponding interactive special effect according to the identification result, and display the special effect in the blank area according to image identification, can create a hot game interaction effect to attract the eyeballs of audiences to stay in the live broadcast under the condition of not influencing the live broadcast content, and improve the online watching number of the live broadcast at the current time.
The following describes in detail, with reference to fig. 2, an apparatus that can execute the method for presenting any special effect in a live scene according to an embodiment of the present application.
Exemplarily, fig. 2 is a schematic structural diagram of an apparatus for presenting any special effect in a live scene according to an embodiment of the present invention; as shown in fig. 2, the special effect presentation apparatus 20 includes:
an obtaining module 201, configured to obtain a live stream;
wherein the live stream includes image data and sound data;
the analysis processing module 202 is used for analyzing and processing the sound data and converting the sound data into characters; analyzing and processing the image data, and dividing the image into a plurality of areas;
wherein the plurality of regions includes: portrait area, thing area, and blank area;
the determining module 203 is used for querying a live special effect database according to the characters and determining a used live special effect;
wherein the live special effect comprises one or more of the following items: linking a countdown special effect, a live broadcast room theme decoration special effect or a full screen poster activity propaganda special effect;
and the displaying module 204 is configured to adjust the size of the live broadcast special effect according to the size of the blank area, and display the live broadcast special effect in the blank area.
The special effect presentation apparatus 20 further includes:
a selection module 205, configured to present windows of all live applications in a user interface;
and the window of the live broadcast application is used for user selection and adding the live broadcast special effect.
Optionally, the obtaining module 201 is further configured to obtain application information corresponding to the application according to the window title and the brief introduction of the application; judging the type of the application according to the application information; and if the application is the live application, acquiring a live stream of the live application.
Optionally, the analysis processing module 202 is further configured to determine a portrait area in the image according to the portrait recognition model; determining an object area in the image according to the object identification model, and labeling the type of the object in the image; the area except for the portrait area and the thing area in the image is divided into blank areas.
Optionally, the determining module 203 is further configured to analyze and process the text through a semantic analysis model, and determine a semantic corresponding to the text; and then querying a live special effect database according to the semantics, and determining a live special effect matched with the semantics.
Optionally, the presenting module 204 is further configured to present the live broadcast special effect in the blank area through a layer overlaying technology and a matting technology.
Fig. 3 is a schematic structural diagram of an electronic device to which the embodiment of the present invention can be applied, and as shown in fig. 3, the electronic device includes a Central Processing Unit (CPU) 301 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 302 or a program loaded from a storage section 308 into a Random Access Memory (RAM) 303. In the RAM 303, various programs and data necessary for system operation are also stored. The CPU 301, ROM 302, and RAM 303 are connected to each other via a bus 304. An input/output (I/O) interface 305 is also connected to bus 304.
The following components are connected to the I/O interface 305: an input portion 306 including a keyboard, a mouse, and the like; an output section 307 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 308 including a hard disk and the like; and a communication section 309 including a network interface card such as a LAN card, a modem, or the like. The communication section 309 performs communication processing via a network such as the internet. A drive 310 is also connected to the I/O interface 305 as needed. A removable medium 311 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 310 as necessary, so that a computer program read out therefrom is mounted into the storage section 308 as necessary.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The modules or modules described in the embodiments of the present invention may be implemented by software or hardware. The modules or modules described may also be provided in a processor, and may be described as: a processor includes an obtaining module 201, an analyzing module 202, a determining module 203, and a presenting module 204, where names of the modules do not constitute a limitation on the modules themselves in some cases, for example, the presenting module 204 may also be described as "a presenting module 204 for resizing a live effect according to a size of a blank area, and presenting the live effect in the blank area".
As another aspect, the present invention further provides a computer-readable storage medium, which may be the computer-readable storage medium included in the apparatus for presenting any special effect in a live scene in the foregoing embodiment; or it may be a computer-readable storage medium that exists separately and is not built into the electronic device. The computer readable storage medium stores one or more programs for use by one or more processors in performing a method of rendering arbitrary special effects in a live scene as described in the present invention.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. A method for presenting any special effect in a live scene, comprising:
acquiring a live stream; the live stream includes image data and sound data;
analyzing and processing the sound data, and converting the sound data into characters;
analyzing and processing the image data, and dividing the image into a plurality of areas; the plurality of regions includes: portrait area, thing area, and blank area;
inquiring a live broadcast special effect database according to the characters, and determining a used live broadcast special effect; the live effects include one or more of: linking a countdown effect, a live broadcast room theme decoration effect or a full-screen poster activity publicity effect;
and adjusting the size of the live broadcast special effect according to the size of the blank area, and displaying the live broadcast special effect in the blank area.
2. The method of claim 1, wherein obtaining the live stream comprises:
acquiring application information corresponding to an application according to a window title and an introduction of the application;
judging the type of the application according to the application information;
and if the application is the live broadcast application, acquiring a live broadcast stream of the live broadcast application.
3. The method of claim 1, wherein the analyzing the image data to divide the image into a plurality of regions comprises:
determining a portrait area in the image according to a portrait recognition model;
determining an object area in the image according to an object recognition model, and labeling the type of an object in the image;
and dividing the area except the portrait area and the object area in the image into blank areas.
4. The method of claim 1, wherein querying a live effects database from the text to determine the live effects to use comprises:
analyzing and processing the characters through a semantic analysis model, and determining the semantics corresponding to the characters;
and querying the live special effect database according to the semantics, and determining a live special effect matched with the semantics.
5. The method of claim 1, wherein the resizing the live effect according to the size of the blank area, and wherein the displaying the live effect in the blank area comprises:
through the layer stack technique and the green technique of scratching, will live the special effect and be in the blank area shows.
6. The method of any one of claims 1-5, further comprising:
presenting windows of all live applications on a user interface; and the window of the live broadcast application is used for user selection and adding the live broadcast special effect.
7. An apparatus for rendering arbitrary special effects in a live scene, comprising:
the acquisition module is used for acquiring a live stream; the live stream includes image data and sound data;
the analysis processing module is used for analyzing and processing the sound data and converting the sound data into characters; analyzing and processing the image data, and dividing the image into a plurality of areas; the plurality of regions includes: portrait area, thing area, and blank area;
the determining module is used for inquiring a live special effect database according to the characters and determining a used live special effect; the live effects include one or more of: linking a countdown special effect, a live broadcast room theme decoration special effect or a full screen poster activity propaganda special effect;
and the display module is used for adjusting the size of the live broadcast special effect according to the size of the blank area, and displaying the live broadcast special effect in the blank area.
8. The apparatus of claim 7, further comprising:
the selection module is used for presenting windows of all live applications on a user interface; and the window of the live broadcast application is used for user selection and adding the live broadcast special effect.
9. An electronic device, comprising a memory having a computer program stored thereon and a processor that, when executed, implements the method of any of claims 1-6.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 6.
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