CN112528050B - Multimedia interaction system and method - Google Patents
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Abstract
The invention relates to the technical field of interactive systems, in particular to a multimedia interactive system and a method thereof, wherein the system comprises a user terminal, a positioning auxiliary device and a service system, wherein the positioning auxiliary device is used for detecting the position and the orientation of the user terminal; the service system comprises a user information acquisition module, an interactive display information generation module, an interactive information screening module and a play control module; the interactive information screening module is used for screening out interactive information corresponding to a user of which the current position is in the meeting place and faces the multimedia display screen, and the interactive display information generating module is used for generating interactive display content; the playing control module is used for controlling the multimedia display system to display the playing content and the interactive display information. According to the multimedia interaction system and method, the interaction information of the user can be screened according to the position of the user to be displayed, the possibility that the field user finds the interaction information is increased, and the enthusiasm of user interaction is improved.
Description
Technical Field
The invention relates to the technical field of interactive systems, in particular to a multimedia interactive system and a multimedia interactive method.
Background
The multimedia interactive system combines a sound system, an interactive system and the like, combines and applies media such as video, sound, animation and the like on the basis of multimedia and digital technologies, plays multimedia contents in a novel mode, further realizes the display of commodities, cultural relics, works and the like, and is widely applied to places such as exhibition halls, markets, squares and the like.
The interactive information can be sent and displayed by the users through the multimedia interactive system, but the number of the users participating in the activity is usually large, and the interactive information cannot be displayed simultaneously by the users on the line and the users off the line.
In addition, the existing multimedia interactive system basically performs circular display according to preset playing contents, audiences are in a passive receiving state, the displayed contents are poor in pertinence, the contents such as activities, advertisements and propaganda are not favorably transmitted to target customers, and users need to wait for the next round of display and image user experience if the users miss interested parts.
Disclosure of Invention
The invention aims to provide a multimedia interaction system and a multimedia interaction method, which can screen and display the interaction information of a user according to the position of the user, increase the possibility that a field user can check the interaction information of the user, improve the enthusiasm of user interaction, adjust the played content according to the interest point of the user, improve the pertinence of the played content, reduce the waiting time of the user and improve the user experience.
The application provides the following technical scheme:
a multimedia interaction system, comprising:
the system comprises a user terminal and a service system, wherein the user terminal is provided with a positioning tag and is used for sending interactive information to the service system;
the positioning auxiliary device is deployed in the meeting place and used for detecting the position of the user terminal according to the signal of the positioning tag and sending a detection result to the service system;
the service system comprises a user information acquisition module, an interactive display information generation module, an interactive information screening module, a storage module and a play control module; the user information acquisition module is used for acquiring user information corresponding to the interactive information; the interactive information screening module is used for acquiring the position of the user terminal according to the user information, and is also used for screening interactive information corresponding to users meeting screening conditions, wherein the screening conditions comprise that the current position of the user terminal is in a meeting place; the interactive display information generation module is used for generating interactive display content according to the screened interactive information and the corresponding user information; the storage module stores playing contents, and the playing control module is used for controlling the multimedia display system to display the playing contents and the interactive display information;
and the multimedia display screen is used for displaying the playing content and the interactive information.
Furthermore, the positioning auxiliary device is also used for detecting the orientation of the user terminal and sending the orientation to the service system, and the screening condition further comprises the orientation of the user terminal to the multimedia display screen.
Further, the service system further comprises a light management module, wherein the light management module is used for closing light of an area without users in the meeting place according to the position of the user terminal.
Further, the service system further comprises an interactive information filtering module for filtering illegal interactive information.
Further, the service system further includes:
the attention user acquisition module is used for taking the user with the current view attention point on the multimedia display screen as an attention user and acquiring the user identity of the attention user;
the user interest acquisition module is used for acquiring interest points of each eye-catching user according to the user identity;
the interest data counting module is used for counting the interest points of all the attention users and sequencing the interest points according to the number of the corresponding attention users;
and the playing adjustment module is used for performing playing adjustment on subsequent display contents of the multimedia display screen according to the sequencing result of the interest data statistics module.
Further, the playing adjustment module comprises:
the playing content acquisition module is used for acquiring playing content matched with the interest points of the user;
the playing sequence sorting module is used for sorting the playing contents according to the number of the attention users of the corresponding interest points;
the playing time length adjusting module is used for calculating the playing time length of the playing content corresponding to each interest point according to the number of the attention users of each interest point;
and the playing content clipping module is used for clipping the playing content according to the playing duration.
Further, the attentive user acquisition module includes:
the image acquisition module is used for acquiring images near the current multimedia display screen;
the attention user detection module is used for detecting the current view attention point of each user according to the image and taking the user with the current view attention point on the multimedia display screen as an attention user;
and the attention user identification module is used for acquiring the face image of the attention user and identifying the user identity according to the face image.
Furthermore, the playing content comprises a plurality of display modes, the service system further comprises a user type dividing module and a multi-mode playing module, the user type dividing module is used for acquiring the user type according to the user identity, and the playing content acquiring module is also used for matching the corresponding display mode of the playing content according to the user type; the multi-mode playing module is used for synchronously playing the playing content to the multimedia display screen in a plurality of display modes through a multi-window playing mode.
Further, the service system further comprises a distance detection module, and the playing adjustment module further comprises a content size adjustment module; the distance detection module is used for detecting the distance between each attention user and the multimedia display screen towards which the attention user faces according to the position of each attention user, and the content size adjustment module is used for adjusting the size of the picture of the played content according to the distance between each attention user and the multimedia display screen towards which the attention user faces.
Further, the application also discloses a multimedia interaction method which uses the multimedia interaction system.
The technical scheme of the invention has the beneficial effects that:
1. according to the technical scheme, the position and the orientation of the field user can be obtained through detection of the field user terminal, whether the user corresponding to the interactive information is on the field or not and whether the multimedia display screen is checked or not can be confirmed, the interactive information displayed on the field multimedia display screen can be ensured to be sent by the field user through screening of the position and the orientation of the user corresponding to the interactive information, the possibility that the field user sees the own interactive information is increased, and the enthusiasm of user interaction is improved.
2. According to the technical scheme, the attention situation of the user to the multimedia display screen is detected, the attention users are screened out, the user identities are obtained based on image recognition, the interest points of the users are obtained according to the user identities, the playing contents, the playing time length of each content, the playing sequence and the like are sequenced through statistics and analysis of the interest points of the current attention users, so that most of the attention users can quickly see the contents which are interested by the attention users, the pertinence of the playing contents of the multimedia display screen is improved, the contents of activities, advertisements, propaganda and the like are favorably transmitted to target clients, accurate content broadcasting is achieved, meanwhile, the waiting time of the users is shortened, the time length of looking over the contents which are not interested is shortened, and the user experience is improved.
3. In the technical scheme, each playing content can have multiple display modes, for example, an expert version, a common version, a children version and the like can be provided for explanation of an exhibit, and then users suitable for various types can be added, and the playing content can be more easily accepted by the user through the display mode of the playing content corresponding to the user type matching.
4. Through multi-mode play module, can carry out the broadcast of multiple presentation mode simultaneously with broadcast content, can satisfy different grade type user demand simultaneously, to in accompaniment user, like under the circumstances that father and son are together, through the multiple presentation mode, can let everyone know broadcast content with the mode that it can understand, be favorable to promoting broadcast content's propagation effect, and then avoid child not interested in and lead to the circumstances that father and mother also can't continue watching.
5. The positions of all users are detected through the positioning system, the identities of the users can be verified for the second time by combining with image data, and meanwhile, the size of the picture of the played content can be adjusted through calculating the position of each user, so that most of the pictures with proper sizes can be viewed.
Drawings
FIG. 1 is a logic diagram of a multimedia interaction system according to a first embodiment of the present application;
fig. 2 is a logic block diagram of a fifth embodiment of a multimedia interaction system according to the present application.
Detailed Description
The technical scheme of the application is further explained in detail through the specific implementation mode as follows:
example one
As shown in fig. 1, the multimedia interaction system disclosed in this embodiment is applied to an exhibition hall and a meeting place, and includes in-site devices, a service system, and a user terminal, where the in-site devices include a multimedia display screen, a sound box system, a monitoring system, and a lighting system; the monitoring system comprises a camera for collecting images of people around the multimedia display screen.
The in-field equipment further comprises a positioning auxiliary device, a positioning tag is arranged on the user terminal, the positioning auxiliary device is deployed in the meeting place and is used for detecting the position and the orientation of the user terminal according to a signal of the positioning tag and sending a detection result to the service system; specifically, in this embodiment, the positioning system includes a plurality of UWB base stations disposed in a scene, and the positioning tag is a UWB tag, and detects the position and the orientation of the user terminal through an UWB indoor positioning technology.
The user terminal is an intelligent terminal such as a mobile phone and a tablet according to the corresponding APP. And the user terminal is used for sending the interactive information to the service system.
The service system comprises a user information acquisition module, an interactive display information generation module, an interactive information screening module, a storage module, a light management module, an interactive information filtering module and a playing control module;
the storage module is stored with playing content and is also connected with a database, and the database is stored with various data required by system operation, such as user information, activity information, playing content information and the like.
The user information acquisition module is used for acquiring user information corresponding to the interactive information; the user information comprises user basic information, user identification information, user types, user interest points, preference information and the like.
The interactive information filtering module is used for filtering illegal interactive information; the interactive information screening module is used for obtaining the position and the orientation of the user terminal according to the user information, and is also used for screening the interactive information corresponding to the user meeting the screening conditions, wherein the screening conditions comprise that the current position of the user terminal is in a meeting place and the user terminal is oriented to a multimedia display screen.
The interactive display information generation module is used for generating interactive display contents according to the screened interactive information and the corresponding user information; the playing control module is used for controlling the multimedia display system to display playing contents and interactive display information;
and the multimedia display screen is used for displaying the playing content and the interactive information.
And the light management module is used for closing the light of the area without the user in the meeting place according to the position of the user terminal.
Example two
The difference between this embodiment and the first embodiment is that, in this embodiment, the service system further includes an attentive user obtaining module, a user interest obtaining module, an interest data statistics module, and a playing adjustment module.
The eye-catching user acquisition module is used for taking a user with a current view field focus on the multimedia display screen as an eye-catching user and acquiring the user identity of the eye-catching user; specifically, the notable user acquisition module includes:
and the image acquisition module is used for acquiring the image near the current multimedia display screen acquired by the camera.
The attention user detection module is used for detecting the current view attention point of each user according to the image and taking the user with the current view attention point on the multimedia display screen as an attention user; in this embodiment, the visual field attention point of each user is determined according to the face orientation of the user, and whether the user is an attention user is determined according to whether the face of the user is oriented to the multimedia display screen.
And the attention user identification module is used for acquiring the face image of the attention user and identifying the user identity according to the face image.
The user interest acquisition module is used for acquiring interest points of each eye-catching user from the database according to the user identity;
the interest data counting module is used for counting the interest points of all the noticed users and sequencing the interest points according to the number of the noticed users;
and the playing adjustment module is used for performing playing adjustment on subsequent display contents of the multimedia display screen according to the sequencing result of the interest data statistics module.
In this embodiment, the playing adjustment includes adjusting playing content, adjusting playing sequence and adjusting playing duration, and the playing adjustment module includes:
the playing content acquisition module is used for acquiring playing content matched with the interest points of the user;
the playing sequence sorting module is used for sorting the playing contents according to the number of the attention users of the corresponding interest points;
the playing time length adjusting module is used for calculating the playing time length of the playing content corresponding to each interest point according to the number of the noticed users at each interest point, in the embodiment, each playing content is provided with a time period range of the playing time length, the playing time length is generated according to the proportion of the number of the noticed users at the current interest point to the total number of the noticed users, and specifically, the time length is calculated according to a formula:
T＝t min +2*(t max -t min) *b
where T is the playing duration, T max And t min The maximum playing time and the minimum playing time of the current playing content are respectively, and b is the proportion of the number of the attention users corresponding to the current playing content to the total number of the attention users.
And the playing content clipping module is used for clipping the playing content according to the playing duration.
When the technical scheme is operated, the service system acquires images of people nearby the multimedia display screen through the camera, identifies identity information of the attention user, acquires the interest points of the user according to the identity of the user, and adjusts subsequent playing contents according to the statistical results of the interest points of the attention user while playing the current image, so that the users around the multimedia display screen can see the interested contents as soon as possible, and the propaganda effect is improved.
EXAMPLE III
The difference between this embodiment and the second embodiment is that, in this embodiment, the playing content includes multiple presentation modes, and further includes a user type dividing module, where the user type dividing module is configured to obtain a user type according to the user identity, in this embodiment, the user type includes three types, namely, expert, normal, and child, and each playing content is divided into three presentation modes, namely, expert, normal, and child presentation modes, for three types of users, such as for introduction of the same exhibit in an exhibition hall, so as to play the playing content for users of different types. The playing content acquisition module is also used for matching the corresponding display mode of the playing content according to the user type. The display mode generation module is used for generating a corresponding display mode according to the playing content, specifically, the display mode generation module can generate two display modes of ordinary and children on the basis of the existing expert display mode, the display mode generation module comprises an ordinary display mode generation module and an adding module, the ordinary display mode generation module comprises a removing module and an adding module, the removing module is used for removing the principle explanation in the playing content corresponding to the expert display mode, the adding module is used for obtaining a new noun or a concept in the playing content, calling a third-party interface to obtain the concept explanation and adding the concept explanation to the playing content; the child presentation mode generation module is used for generating the playing content in the child presentation mode on the basis of the technology of the playing content corresponding to the common presentation mode, and specifically comprises a tone replacement module and an animation addition module, wherein the tone replacement module is used for replacing the voice explanation of the playing content with the tone of the hot cartoon character, and the animation addition module is used for adding the cartoon animation to the playing content.
In this embodiment, the multimedia display device further includes a multi-mode playing module, and the multi-mode playing module is configured to synchronously play the played content to the multimedia display screen in multiple presentation modes through a multi-window playing manner.
Example four
The difference between this embodiment and the third embodiment is that, in this embodiment, the service system further includes a distance detection module, and the play adjustment module further includes a content size adjustment module; the distance detection module is used for detecting the distance between each attention user and the multimedia display screen towards the attention user according to the position of each attention user, and the content size adjustment module is used for adjusting the size of the picture of the played content according to the distance between each attention user and the multimedia display screen towards the attention user. In this embodiment, the content size adjustment module includes a representative distance calculation module and a screen scaling calculation module, where the representative distance calculation module is configured to calculate a representative distance according to a distance between each attentive user and the multimedia display screen toward which the attentive user faces, in this embodiment, a mode of the distance between each attentive user and the multimedia display screen toward which the attentive user faces is used as the representative distance, and the screen scaling calculation module is configured to calculate screen scaling according to the representative distance and a preset rule, for example, according to a proportional rule, the farther the distance, the larger the screen magnification, and the like, and a specific scaling ratio may be set according to a size of the multimedia display screen, and the like.
EXAMPLE five
As shown in fig. 2, the difference between this embodiment and the fourth embodiment is that in this embodiment, the service system further includes an interactive address generating module, the interactive address generating module is configured to generate a graphic code including an interactive address, and the playing content clipping module is further configured to add the graphic code to the playing content. In this embodiment, the playing content clipping module is configured to add a graphic code to a space between video frames of the playing content, where the graphic code is a two-dimensional code. The user terminal is used for scanning the graphic code and accessing the service system according to the interactive address in the graphic code.
The above are only examples of the present invention, and the present invention is not limited to the field related to the embodiments, the general knowledge of the specific structures and characteristics of the embodiments is not described herein, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in the field, and have the capability of applying the conventional experimental means before the application date, and those skilled in the art can combine the capabilities of themselves to complete and implement the present invention, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. A multimedia interaction system, comprising: the method comprises the following steps:
the system comprises a user terminal and a service system, wherein the user terminal is provided with a positioning tag and is used for sending interactive information to the service system;
the positioning auxiliary device is deployed in the meeting place and used for detecting the position of the user terminal according to the signal of the positioning tag and sending a detection result to the service system;
the service system comprises a user information acquisition module, an interactive display information generation module, an interactive information screening module, a storage module and a play control module; the user information acquisition module is used for acquiring user information corresponding to the interactive information; the interactive information screening module is used for acquiring the position of the user terminal according to the user information, and is also used for screening interactive information corresponding to users meeting screening conditions, wherein the screening conditions comprise that the current position of the user terminal is in a meeting place; the interactive display information generation module is used for generating interactive display content according to the screened interactive information and the corresponding user information; the storage module stores playing contents, and the playing control module is used for controlling the multimedia display system to display the playing contents and the interactive display information;
the multimedia display screen is used for displaying the playing content and the interactive information;
the positioning auxiliary device is also used for detecting the orientation of the user terminal and sending the orientation to the service system, and the screening condition further comprises the orientation of the user terminal to the multimedia display screen;
the service system further includes:
the attention user acquisition module is used for taking the user with the current view attention point on the multimedia display screen as an attention user and acquiring the user identity of the attention user;
the user interest acquisition module is used for acquiring interest points of each noticed user according to the user identity;
the interest data counting module is used for counting the interest points of the attention users and sequencing the interest points according to the number of the corresponding attention users;
and the playing adjustment module is used for performing playing adjustment on subsequent display contents of the multimedia display screen according to the sequencing result of the interest data statistics module.
2. The multimedia interaction system of claim 1, wherein: the service system further comprises a light management module, and the light management module is used for closing light of an area without users in the meeting place according to the position of the user terminal.
3. The multimedia interaction system of claim 2, wherein: the service system also comprises an interactive information filtering module used for filtering illegal interactive information.
4. The multimedia interaction system of claim 3, wherein: the play adjustment module includes:
the playing content acquisition module is used for acquiring playing content matched with the interest points of the user;
the playing sequence sorting module is used for sorting the playing contents according to the number of the attention users of the corresponding interest points;
the playing time length adjusting module is used for calculating the playing time length of the playing content corresponding to each interest point according to the number of the attention users of each interest point;
and the playing content clipping module is used for clipping the playing content according to the playing duration.
5. The multimedia interaction system of claim 4, wherein: the noticed user acquiring module includes:
the image acquisition module is used for acquiring images near the current multimedia display screen;
the attention user detection module is used for detecting the current view attention point of each user according to the image and taking the user with the current view attention point on the multimedia display screen as an attention user;
and the attention user identification module is used for acquiring the face image of the attention user and identifying the user identity according to the face image.
6. The multimedia interaction system of claim 5, wherein: the service system further comprises a user type dividing module and a multi-mode playing module, wherein the user type dividing module is used for acquiring the user type according to the user identity, and the playing content acquiring module is also used for matching the corresponding displaying mode of the playing content according to the user type; the multi-mode playing module is used for synchronously playing the playing content to the multimedia display screen in a plurality of display modes through a multi-window playing mode.
7. The system of claim 6, wherein: the service system also comprises a distance detection module, and the playing adjustment module also comprises a content size adjustment module; the distance detection module is used for detecting the distance between each attention user and the multimedia display screen towards which the attention user faces according to the position of each attention user, and the content size adjustment module is used for adjusting the size of the picture of the played content according to the distance between each attention user and the multimedia display screen towards which the attention user faces.
8. A multimedia interaction method, characterized by: use of a multimedia interaction system as claimed in any of the claims 1-7.
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