CN113079130B - Multimedia management and control system and management and control method - Google Patents
Multimedia management and control system and management and control method Download PDFInfo
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- H04L63/308—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information retaining data, e.g. retaining successful, unsuccessful communication attempts, internet access, or e-mail, internet telephony, intercept related information or call content
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention provides a multimedia information management and control system and a method, comprising a workflow manager, a central media processing entity and an edge media processing entity, wherein the workflow manager generates a workflow and sends the workflow to the central media processing entity and the edge media processing entity; the central media processing entity sends a multimedia content management and control model to the edge media processing entity according to the received workflow; and the edge media processing entity detects whether the content of the uploaded multimedia information is legal or not according to the multimedia content management and control model. By adopting the technical scheme of the invention, the automatic detection and control of the content of the uploaded multimedia information can be realized, and illegal multimedia content is prevented from being transmitted and scattered in the network.
Description
Technical Field
The invention relates to the field of internet, in particular to a multimedia management and control system and a multimedia management and control method.
Background
Multimedia content in transmission networks tends to become more diverse and complex as more and more users become producers and uploaders of multimedia content (video, audio, etc.). The increasingly complex and diverse multimedia contents are likely to contain illegal contents such as pornographic contents or riot contents, etc., which have adverse effects on the network environment and society, and thus need to be detected and deleted before being uploaded and transmitted. However, the huge multimedia traffic and the complex and various multimedia contents bring huge challenges to content management and control, and a large amount of computing resources and sufficient labeled data are needed to be used when detecting and managing the multimedia contents, so that it is difficult to implement efficient video content management and control under the conditions of limited resources and data loss.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a management and control system and a management and control method for multimedia information, which construct a media processing framework based on a network, and provide a large amount of labeled data for content detection and management and control by using the multimedia information uploaded by a user side, thereby solving the problem of how to detect and manage the content of the multimedia information uploaded by the user.
The invention provides a multimedia information management and control system, comprising: a workflow manager, a central media processing entity and an edge media processing entity;
the workflow manager: generating a workflow and sending the workflow to the central media processing entity and the edge media processing entity;
the central media processing entity: training a multimedia content management and control model according to the received workflow, and sending the trained multimedia content management and control model to an edge media processing entity for updating;
the edge media processing entity: and detecting whether the content of the uploaded multimedia information is legal or not according to the stored multimedia content management and control model.
Preferably, the workflow is configured to assign tasks to the edge media processing entities and the central media processing entity.
Preferably, the central media processing entity trains the multimedia content management and control model using the multimedia data sets stored therein.
Preferably, the multimedia data set contains multimedia information of the marked data.
Preferably, the edge media processing entity sends the uploaded multimedia information of the marked data to the central media processing entity.
Preferably, the central media processing entity is capable of updating and saving the multimedia data set using the multimedia information received from the tagged data.
Preferably, the edge media processing entity:
when the detection result is illegal, the edge media processing entity deletes the uploaded multimedia information; otherwise, continuing to upload new multimedia information.
Preferably, the uploaded multimedia information is made by the user terminal or obtained by the user terminal from other sources.
The invention provides a multimedia information management and control method, which comprises the following steps:
information uploading step: uploading multimedia information;
training a multimedia content management and control model: training the multimedia content control model by adopting a multimedia data set;
and (3) information detection: detecting whether the uploaded multimedia information is legal or not according to the trained multimedia content management and control model;
and (3) information deletion and retransmission steps: and deleting the uploaded multimedia information when the detection result is illegal, and otherwise, continuously uploading new multimedia information.
Preferably, the multimedia data set contains multimedia information of the marked data. Further, the uploaded "multimedia information" may be "multimedia information of marked data", or "multimedia information of unmarked data". The "marked data" refers to the media data marked with a label, i.e. a label marked with a legal or specific illegal.
Preferably, the multimedia data set can be updated with the uploaded multimedia information of the tagged data.
Preferably, the multimedia content management and control model training step:
updating and storing a multimedia data set by using the uploaded multimedia information of the marked data;
and training and storing the multimedia content management and control model by adopting the updated multimedia data set.
Preferably, the information detecting step:
and transmitting the trained multimedia content control model for detecting whether the uploaded multimedia information is legal or not.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a multimedia management and control system and a multimedia management and control method, which are used for designing the detection and the management and control of multimedia contents, and realizing the effective detection and the management and control of video contents uploaded by a user by utilizing the computing resources of a cloud computing platform or an edge computing node and a large amount of labeled data provided by a media source.
2. According to the method for detecting and controlling the content of the multimedia information, the sufficient computing resources of the media processing entity and the multimedia information of a large amount of label data uploaded by the user side are utilized, so that the automatic detection and control of the content of the multimedia information uploaded by the user side are realized, the defect of the detection and control functions of the multimedia content in a transmission network based on a cloud computing platform or an edge computing node is made up, the illegal multimedia content is favorably prevented from being transmitted and disseminated in the network, and the stability and health of the network environment are effectively maintained.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of a system for managing and controlling multimedia information according to the present invention;
FIG. 2 is a flowchart illustrating a content management method for multimedia information according to the present invention;
FIG. 3 is a schematic diagram illustrating a process of uploading multimedia content provided by the present invention;
fig. 4 is a schematic diagram illustrating a flow of issuing a multimedia content management and control model according to the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The invention provides a multimedia information management and control system, which comprises: a workflow manager, a central media processing entity and an edge media processing entity;
the workflow manager: generating a workflow and sending the workflow to the central media processing entity and the edge media processing entity;
the central media processing entity: training a multimedia content management and control model according to the received workflow, and sending the trained multimedia content management and control model to an edge media processing entity for updating;
the edge media processing entity: and detecting whether the content of the uploaded multimedia information is legal or not according to the stored multimedia content management and control model.
In particular, the workflow is configured to assign tasks to the edge media processing entities and the central media processing entity.
Specifically, the central media processing entity trains the multimedia content management and control model using the multimedia data sets stored therein.
Specifically, the multimedia data set contains multimedia information of the marked data.
Specifically, the edge media processing entity sends the uploaded multimedia information of the marked data to the central media processing entity.
In particular, the central media processing entity is capable of updating and saving the multimedia data set using the multimedia information received with the tagged data.
Specifically, the edge media processing entity:
when the detection result is illegal, the edge media processing entity deletes the uploaded multimedia information; otherwise, the new multimedia information is continuously uploaded.
Specifically, the uploaded multimedia information is made by the user side or obtained by the user side from other sources.
The multimedia information management and control system provided by the invention can be realized through the steps and flows of the multimedia information management and control method provided by the invention. A person skilled in the art can understand the management and control method of the multimedia information as a preferred example of the management and control system of the multimedia information.
The invention provides a multimedia information management and control method, which comprises the following steps:
information uploading step: uploading multimedia information;
training a multimedia content management and control model: training the multimedia content control model by adopting a multimedia data set;
and an information detection step: detecting whether the uploaded multimedia information is legal or not according to the trained multimedia content management and control model;
information deletion and retransmission steps: and deleting the uploaded multimedia information when the detection result is illegal, and otherwise, continuously uploading new multimedia information.
Specifically, the multimedia data set contains multimedia information of the marked data.
In particular, the multimedia data set can be updated with the uploaded multimedia information of the tagged data.
Specifically, the multimedia content management and control model training step includes:
updating and storing a multimedia data set by using the uploaded multimedia information of the marked data;
and training and storing the multimedia content management and control model by adopting the updated multimedia data set.
Specifically, the information detecting step:
and transmitting the trained multimedia content control model for detecting whether the uploaded multimedia information is legal or not.
The present invention will be described more specifically below with reference to preferred examples.
Preferred example 1:
the technical scheme of the invention is further explained by combining the drawings and the embodiment.
Fig. 1 is a schematic diagram of a management and control system for multimedia information. The multimedia information management and control system mainly comprises three parts: a workflow manager, an edge media processing entity and a central media processing entity. The edge media processing entity and the central media processing entity may be cloud computing platforms or edge computing nodes. And a user side for uploading the multimedia information is arranged outside the multimedia information management and control system. The user terminal can be a media receiving terminal, a media source or an NBMP source. The uploaded multimedia information can be text, video, images, video, sound or animation, etc.
The method comprises the steps that a user side uploads multimedia information which is manufactured or forwarded by the user side to a nearby edge media processing entity, a workflow manager generates an uploading workflow, the uploading workflow is used for distributing tasks to the edge media processing entity, the edge media processing entity detects the content of the multimedia information by using a stored multimedia content management and control model, and if the uploaded multimedia information is judged to have illegal content, the transmission of the multimedia information is stopped and the multimedia information is deleted; if the uploaded multimedia information has no problem, subsequent transmission can be carried out. Meanwhile, the edge media processing entity transmits the multimedia information from the user terminal to the central media processing entity and other edge media processing entities. Other clients can download the multimedia information from any edge media processing entity.
The multimedia information uploaded to the edge media processing entity from the user terminal can be marked data multimedia information, and the edge media processing entity uploads the marked data multimedia information to the central media processing entity; the central media processing entity also stores a multimedia data set, and the multimedia information of the marked data is positioned in the multimedia data set.
The workflow manager generates a down-sending workflow which is used for distributing tasks to a central media processing entity and an edge media processing entity, and the central media processing entity trains and updates a multimedia content management and control model based on the newly uploaded multimedia information of the marked data; the central media processing entity issues the updated multimedia content management and control model to each edge media processing entity and updates the original multimedia content management and control model so as to ensure the accuracy of content detection and management and control of the multimedia information.
The process of content management of multimedia information is as follows:
(1) the user side uploads the multimedia information to the nearby edge media processing entity, the workflow manager creates an uploading workflow, and distributes the related tasks to the edge media processing entity. The multimedia information can be made by the user terminal itself or forwarded from other source terminals. Meanwhile, the multimedia information uploaded in the process can be labeled with data, so that the multimedia information can be used as a multimedia content management and control model in a training center media processing entity.
(2) The workflow manager creates an uploading workflow, and after distributing related tasks to the edge media processing entity and the central media processing entity, the edge media processing entity uploads the multimedia information of the marked data obtained from the user terminal to a multimedia data set in the central media processing entity. The central media processing entity saves and updates the multimedia data set and trains a new multimedia content management and control model by using the updated multimedia data set.
(3) The workflow manager creates an issuing workflow, and after distributing related tasks to the edge media processing entity and the central media processing entity, the central media processing entity can periodically issue the updated multimedia content management and control model to the edge media processing entity. Meanwhile, the edge media processing entity can utilize the received multimedia content management and control model to detect the multimedia information uploaded from the user terminal and control the legality of the content, if the multimedia information has illegal content, the transmission of the multimedia information is prevented and the multimedia information is deleted, otherwise, other user terminals can download and acquire the multimedia information from the adjacent edge media processing entity.
Fig. 2 is a flowchart of a content management and control method for multimedia information, including five basic sub-tasks: the method comprises the steps of multimedia content uploading, multimedia content detection, multimedia content control, control model training and training model issuing.
Uploading multimedia content: the user end uploads the multimedia information to the nearby edge media processing entity, the edge media processing entity uploads the multimedia information of the marked data obtained from the user end to the central media processing entity, and the multimedia data set in the central media processing entity is updated and stored.
Multimedia content detection: and detecting whether illegal contents exist in the multimedia information uploaded from the user terminal by using a multimedia content control model.
Multimedia content control: and if the multimedia information has illegal contents, preventing the multimedia information from being uploaded and deleting the multimedia information, and if not, continuing to upload the multimedia information.
Training a control model: and training a new multimedia content management and control model by using the updated multimedia data set.
Issuing a training model: and the central media processing entity transmits the updated multimedia content management and control model to the edge media processing entity to replace the original multimedia content management and control model in the edge media processing entity.
The service provider is provided with a directory of multimedia content management services, and the tasks in the directory include at least one subtask. The workflow manager can select some of the above-described subtask combinations to generate a workflow of assigned tasks.
Fig. 3 is a flowchart illustrating multimedia content uploading. The service provider provides a multimedia content uploading service, tasks of the multimedia content uploading service comprise three subtasks of multimedia content uploading, multimedia content detection and multimedia content control, and the workflow manager can select the subtasks to combine to generate an uploading workflow of an uploading distribution task.
Fig. 4 is a flowchart of issuing the multimedia content management and control model. The service provider provides services issued by the multimedia content management and control model, the tasks issued by the multimedia content management and control model comprise control model training and two subtasks issued by the training model, the original multimedia content management and control model in the edge media processing entity is updated while the tasks are issued by the training model, and the workflow manager can select the subtasks to combine to generate an issued workflow issued by the multimedia content management and control model.
The subtasks of the multimedia content detection and the multimedia content management and control model training related to the management and control method of the multimedia information are shown in the following table one:
watch 1
The edge media processing entity stores a multimedia content control model issued by the central media processing entity, the multimedia content control model is used for detecting the legality of the content of the multimedia information uploaded from a user end (a media source or an NBMP source), if the multimedia information has illegal content, the transmission of the video is prevented and the video is deleted, otherwise, other user ends download and acquire the multimedia information from the adjacent edge media processing entity. In addition, the edge media processing entity can also provide the multimedia information of the labeled data uploaded by the user side (the media source or the NBMP source) to the central media processing entity for retraining the multimedia content management and control model; the central media processing entity trains and updates the multimedia content control model by using the data of the newly-standardized multimedia information uploaded by the edge media processing entity, and issues the updated multimedia content control model to the edge media processing entity periodically so as to ensure the high accuracy of multimedia content control.
The function reference template for multimedia content management is shown in the following table two:
watch two
The workflow descriptors contained in the workflow are shown in table three below:
watch III
The input descriptor gives media parameters such as coding type, frame rate, resolution, etc. of the input media stream. The elaboration descriptor gives details of the type of media asset handled, intended to establish video content control. The requirement descriptor describes requirement information, such as latency requirements, for the complete workflow. The output descriptor provides a description of the output media source, scheduling the output workflow, such as controlling a video content workflow.
When the user operates, the user side sends the workflow description document as a part of the request, and the workflow manager checks the workflow description document and starts to establish the workflow. The workflow manager sends a query request to a function library (as shown in table two) for retrieving related functions of multimedia content control required for generating the workflow. For each query request, the function library feeds back a small list which contains the functions, their description and configuration information. The workflow manager selects a function related to the task managed by the multimedia content. The edge media processing entities confirm the creation of each media processing entity (cloud computing platform or edge computing node, etc.). The workflow manager generates and sends a configuration file to each task using an API (Application Program Interface). The task confirms successful configuration and returns access information to the workflow manager, which can connect to the next task. The workflow manager determines the creation of a workflow confirming that media processing of the multimedia content control can start. Metadata associated with the task output is monitored and if some parameters of each task need to be modified for the next segment, the workflow manager sends an update file using the tasks of the API. And if the multimedia content control is not needed for a long time, automatically stopping the task of the multimedia content control.
The system and the method of the embodiment have the following functions and effects:
according to the content detection and control method of the multimedia information, the sufficient computing resources of the media processing entity and the multimedia information of a large amount of label data which can be uploaded by the user side are utilized, so that the automatic detection and control of the content of the multimedia information uploaded by the user side are realized, the defect of the detection and control functions of the multimedia content in a transmission network based on a cloud computing platform or an edge computing node is made up, the transmission and the scattering of illegal multimedia content in the network are prevented, and the stability and the health of the network environment are effectively maintained.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present application.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (11)
1. A management and control system for multimedia information is characterized by comprising: a workflow manager, a central media processing entity and an edge media processing entity;
the workflow manager: generating a workflow and sending the workflow to the central media processing entity and the edge media processing entity;
the central media processing entity: training a multimedia content management and control model according to the received workflow, and sending the trained multimedia content management and control model to an edge media processing entity for updating;
the edge media processing entity: detecting whether the content of the uploaded multimedia information is legal or not according to the stored multimedia content management and control model;
the workflow is used for distributing tasks to the edge media processing entity and the central media processing entity;
the edge media processing entity:
when the detection result is illegal, the edge media processing entity deletes the uploaded multimedia information; otherwise, continuing to upload new multimedia information;
the manner of generating the workflow includes:
when a user operates, a user side sends a workflow description document as a part of a request, and a workflow manager checks the workflow description document and starts to establish a workflow;
the workflow manager sends a query request to the function library for taking out related functions controlled by multimedia contents required by the generated workflow; for each query request, the function library feeds back a list, wherein the list comprises functions, description and configuration information of the functions;
the workflow manager selects a function related to the task controlled by the multimedia content;
the workflow manager generates and sends a configuration file to each task adopting the API;
the task confirms successful configuration and returns access information to the workflow manager, and the workflow manager is connected with the next task.
2. The system for managing multimedia information as claimed in claim 1, wherein the central media processing entity trains the multimedia content management and control model using the multimedia data sets stored therein.
3. The system as claimed in claim 2, wherein the multimedia data set comprises multimedia information marked with data.
4. The system as claimed in claim 3, wherein the edge media processing entity sends the uploaded multimedia information with the tagged data to the central media processing entity.
5. The system as claimed in claim 4, wherein the central media processing entity is capable of updating and saving the multimedia data set with the multimedia information received with the tagged data.
6. The system as claimed in claim 1, wherein the uploaded multimedia message is created by the client or obtained from another source.
7. A multimedia information management and control method is characterized by comprising the following steps:
information uploading step: uploading multimedia information;
training a multimedia content management and control model: the central media processing entity adopts a multimedia data set to train the multimedia content management and control model according to the workflow generated by the workflow manager; the workflow is used for distributing tasks to the edge media processing entity and the central media processing entity;
and an information detection step: the edge media processing entity detects whether the uploaded multimedia information is legal or not according to the trained multimedia content management and control model;
and (3) information deletion and retransmission steps: when the detection result is illegal, deleting the uploaded multimedia information, otherwise, continuously uploading new multimedia information;
the mode of generating the workflow by the workflow manager comprises the following steps:
when a user operates, the user side sends a workflow description document as a part of a request, and a workflow manager checks the workflow description document and starts to establish a workflow;
the workflow manager sends a query request to the function library for taking out related functions of multimedia content control required by the generation of the workflow;
for each query request, the function library feeds back a list, wherein the list comprises functions, description and configuration information of the functions;
the workflow manager selects a function related to the task managed and controlled by the multimedia content;
the workflow manager generates and sends a configuration file to each task adopting the API;
the task confirms successful configuration and returns access information to the workflow manager, and the workflow manager is connected with the next task.
8. The method as claimed in claim 7, wherein the multimedia data set includes multimedia information with tagged data.
9. The method as claimed in claim 8, wherein the multimedia data set can be updated with the uploaded multimedia information of the tagged data.
10. The method for managing and controlling multimedia information as claimed in claim 7, wherein the training step of the multimedia content management and control model comprises:
updating and storing a multimedia data set by using the uploaded multimedia information of the marked data;
and training and storing the multimedia content management and control model by adopting the updated multimedia data set.
11. The method for managing and controlling multimedia information according to claim 10, wherein the information detecting step:
and transmitting the trained multimedia content control model for detecting whether the uploaded multimedia information is legal or not.
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