CN114726891A - Video transmission reporting method based on Internet of things - Google Patents
Video transmission reporting method based on Internet of things Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 238000012795 verification Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 3
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- 238000004590 computer program Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 238000013524 data verification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2212/00—Encapsulation of packets
Abstract
The embodiment of the invention discloses a video transmission reporting method based on the Internet of things, and relates to the technical field of the Internet of things. The method is used for a video monitoring front end and comprises the following steps: establishing a communication link with the management platform of the Internet of things and registering the communication link with the management platform of the Internet of things; comparing and analyzing the current acquired data and the historical acquired data to obtain the reported data; and packaging the reported data according to a standard protocol of the Internet of things and then sending the data to the Internet of things management platform. The invention can effectively compress the data to be transmitted, reduces the requirement on the bandwidth of a physical network and improves the efficiency of the system for transmitting the data.
Description
Technical Field
The invention belongs to the technical field of Internet of things, and particularly relates to a video transmission reporting method based on the Internet of things.
Background
The Internet of Things (IoT) originated in the media field and is the third revolution of the information technology industry. The internet of things is that any object is connected with a network through information sensing equipment according to an agreed protocol, and the object performs information exchange and communication through an information transmission medium so as to realize functions of intelligent identification, positioning, tracking, supervision and the like. Since the internet of things came out, people have high demand for the internet of things, and more internet of things terminal devices enter an interconnection array every year. With the increase of terminal devices of the internet of things, the amount of data transmitted in the internet of things is more and more, and huge pressure is brought to the bandwidth of the internet of things. Meanwhile, with the development of streaming media technology, streaming media applications are also rapidly developed, such as monitoring videos, real-time video chat, audios and the like, and a large amount of audio and video image data are generated, but at present, no appropriate audio and video transmission encapsulation protocol or video compression method exists, so that the audio and video data occupy a large amount of transmission bandwidth of the internet of things, network congestion is easily caused, and further, the data transmission speed of the whole internet of things is reduced. In addition, because the internet of things network resources are limited, the online of the internet of things system is limited, and the front-end equipment cannot be managed well.
Disclosure of Invention
In view of this, an embodiment of the present invention provides a video transmission reporting method based on the internet of things, which is used to solve the problem that video data in the internet of things is effectively compressed because no suitable video transmission encapsulation protocol or video compression method exists in the current internet of things, so that a large amount of bandwidth of the internet of things is consumed by the video data. The invention can report the difference data between the video data to be transmitted and the historical data, thereby realizing the effective compression of the video data to be transmitted, further reducing the requirements on the bandwidth of a physical network and effectively improving the data transmission efficiency.
The embodiment of the invention provides a video transmission reporting method based on the Internet of things, which is used for a video monitoring front end and comprises the following steps:
establishing a communication link with the management platform of the Internet of things and registering the communication link with the management platform of the Internet of things;
comparing and analyzing the current acquired data and the historical acquired data to obtain the reported data;
and packaging the reported data according to a standard protocol of the Internet of things and then sending the data to the Internet of things management platform.
In an optional embodiment, the comparing and analyzing the current acquired data and the historical acquired data to obtain the data reported this time includes:
comparing the current acquired data with historical acquired data, and determining historical acquired data with the highest similarity to the current acquired data;
determining difference data of the current acquired data and the historical acquired data with the highest similarity to the current acquired data;
generating the reported data; the reported data comprises: the identifier of the current acquired data, the identifier of the historical acquired data with the highest similarity to the current acquired data, the difference data of the current acquired data and the historical acquired data with the highest similarity to the current acquired data, and the identifier of the current acquired data corresponding to the reported data.
In an optional embodiment, the identifier of the current/historical acquired data is a reporting sequence value of the reported data corresponding to the current/historical acquired data, and the identifier of the current acquired data corresponding to the current reported data is a reporting sequence value of the current acquired data corresponding to the current reported data; the initial value of the reporting sequence value is 0, and 1 is added to the reporting sequence value every time data is reported to the management platform of the internet of things;
the method for sending the reported data to the Internet of things after packaging the reported data according to the standard protocol of the Internet of things further comprises the following steps:
and recording the current acquired data and the identification thereof corresponding to the reported data.
In an optional embodiment, the comparing the currently-acquired data with the historical acquired data to determine the historical acquired data with the highest similarity to the currently-acquired data includes:
determining a reporting sequence value of historical acquired data with highest similarity to the currently acquired data according to the following first formula:
wherein, T represents the reporting sequence value of the historical acquired data with the highest similarity to the currently acquired data; e (a) represents a binary number on the a-th bit in the binary form of the currently acquired data; et(a) Representing the binary number on the a-th bit in the binary form of the history acquisition data corresponding to the t-th history reported data; , -10Indicating that the value in parentheses is converted to decimal; a is 1,2, …, m; m represents the standard data length of the current acquired data, namely the data bit number; t is 1,2, …, n; n represents the total number of the historical reported data;
the expression that the value of t is from 1 to n to obtain the corresponding value of t when the value in the bracket is the minimum.
In an optional embodiment, the determining difference data between the current acquired data and the historical acquired data with the highest similarity to the current acquired data includes:
calculating and determining difference data of the current acquired data and the historical acquired data with the highest similarity to the current acquired data according to the following second formula:
wherein Y represents the difference data between the current acquired data and the historical acquired data with the highest similarity with the current acquired data, ET(a) A binary number on the a-th bit in the binary form representing the historical acquired data with the highest similarity to the current acquired data,<<representing a left shift function.
In an optional embodiment, before the generating the report data, the method further includes:
generating the current checking data according to the identifier of the historical acquisition data with the highest similarity with the current acquisition data and the difference data between the current acquisition data and the historical acquisition data with the highest similarity with the current acquisition data;
the reported data also comprises the checking data.
In an optional embodiment, the generating the verification data according to the identifier of the historical acquired data with the highest similarity to the currently acquired data and the difference data between the currently acquired data and the historical acquired data with the highest similarity to the currently acquired data includes:
generating the verification data according to the following third formula:
wherein C represents the current check data; ()2Indicating that the numerical value in the parentheses is converted into a binary number;
-means that the binary numbers in the brackets are subjected to exclusive-or calculation in order of the digits.
The video transmission reporting method based on the Internet of things comprises the steps of registering a video monitoring front end to a management platform of the Internet of things, comparing and analyzing current acquired data with historical acquired data to obtain the reported data, and sending the reported data to the management platform of the Internet of things, so that the acquired data are sent to the management platform of the Internet of things. The invention can report the difference data between the video data to be transmitted and the historical data, thereby realizing the effective compression of the video data to be transmitted, further reducing the requirements on the bandwidth of a physical network and effectively improving the data transmission efficiency.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart of an embodiment of a video transmission reporting method based on the internet of things according to the embodiment of the present invention;
fig. 2 is a flowchart of an embodiment of a video transmission reporting method based on the internet of things according to the embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flow chart of an embodiment of a video transmission reporting method based on the internet of things according to the embodiment of the present invention. Referring to fig. 1, the method is applied to a video monitoring front end, and comprises the following steps S101 to S103:
s101: and a communication link is established with the Internet of things management platform and registered to the Internet of things management platform.
In this embodiment, register the video monitoring front end to thing networking management platform, the video monitoring front end that can make a large amount of deployments is as thing networking terminal equipment, the thing networking is reported to the data that will acquire, the problem that lacks video data among the current thing networking service system has been solved, construction cost has been reduced, and the video acquisition that video monitoring front end equipment has, switching value collection, data acquisition and intelligent image analysis's ability, can be fully utilized by thing networking service system, promote thing networking service system's ability.
S102: and comparing and analyzing the current acquired data and the historical acquired data to obtain the reported data.
In this embodiment, when data is acquired by the video monitoring front end, for example, image data, because the data has continuity, the data at the moment is very similar to historical data, so that the currently acquired data and the historical acquired data are compared and analyzed to obtain information such as difference data, which is far smaller than the currently acquired data, compression processing on the currently acquired data is realized, and the requirement of data transmission on bandwidth is effectively reduced.
S103: and packaging the reported data according to a standard protocol of the Internet of things and then sending the data to the Internet of things management platform.
In the embodiment, the video monitoring front end packages the reported data (including the historical data compared with the reported data and the difference data after comparison) according to the standard protocol of the Internet of things and then sends the data to the Internet of things management platform, and no additional customized protocol transmission is needed, so that the construction workload is effectively reduced. In addition, after the internet of things management platform receives the reported data, the compared historical data is retrieved firstly, and then the original data sent by the video monitoring front end can be completely and quickly recovered according to the historical data and the difference data.
According to the video transmission reporting method based on the Internet of things, the video monitoring front end is registered to the management platform of the Internet of things, then the current acquired data and the historical acquired data are compared and analyzed to obtain the reported data, and finally the reported data are sent to the management platform of the Internet of things, so that the acquired data are sent to the management platform of the Internet of things. The invention can report the difference data between the video data to be transmitted and the historical data, thereby realizing the effective compression of the video data to be transmitted, further reducing the requirements on the bandwidth of a physical network and effectively improving the data transmission efficiency.
Fig. 2 is a flowchart of an embodiment of a video transmission reporting method based on the internet of things according to the embodiment of the present invention. Referring to fig. 2, the method is applied to a video surveillance front end, and includes the following steps S201 to S205:
s201: and a communication link is established between the Internet of things management platform and is registered to the Internet of things management platform.
S202: and comparing the current acquired data with the historical acquired data, and determining the historical acquired data with the highest similarity to the current acquired data.
As an alternative embodiment, the step S202 may include: determining a reporting sequence value of historical acquired data with highest similarity to the currently acquired data according to the following first formula:
wherein, T represents the reporting sequence value of the historical acquired data with the highest similarity to the current acquired data; e (a) represents a binary number on the a-th bit in the binary form of the currently acquired data; et(a) Representing a binary number on the a bit in a binary form of history acquisition data corresponding to the t-th history reported data; , -10Indicating that the value in parentheses is converted to decimal; a is 1,2, …, m; m represents the standard data length of the current acquired data, namely the data bit number; t is 1,2, …, n; n represents the total number of the historical reported data;
the expression that the value of t is from 1 to n to obtain the corresponding value of t when the value in the bracket is the minimum.
Preferably, after determining the historical acquisition data with the highest similarity to the current acquisition data, acquiring the identifier of the historical acquisition data of the local record.
In this embodiment, the data acquired by the video monitoring front end itself currently is compared with the data acquired in the history to obtain the data with the highest similarity with the data acquired by the video monitoring front end itself and the reporting sequence value corresponding to the data with the highest similarity, so that the closest data can be selected for comparison, the amount of differential data is effectively reduced, the data acquired by the video monitoring front end itself currently is compressed to the maximum extent, and the system efficiency is effectively improved.
S203: and determining difference data between the current acquired data and the historical acquired data with the highest similarity to the current acquired data.
As an alternative embodiment, step S203 may include: calculating and determining difference data of the current acquired data and the historical acquired data with the highest similarity to the current acquired data according to the following second formula:
wherein Y represents the difference data between the current acquired data and the historical acquired data with the highest similarity with the current acquired data, ET(a) A binary number on the a-th bit in the binary form representing the historical acquired data with the highest similarity to the current acquired data,<<representing a left shift function.
In the embodiment, the difference data of the current self-acquired data is obtained according to the current self-acquired data and the data with the highest similarity to the current self-acquired data, so that the original data can be restored at the platform end of the internet of things according to the difference data, and the rapidity of data transmission is ensured.
S204: and generating the reported data.
The data reported this time includes: the identification of the current acquired data, the identification of the historical acquired data with the highest similarity to the current acquired data, the difference data between the current acquired data and the historical acquired data with the highest similarity to the current acquired data, and the identification of the current acquired data corresponding to the reported data.
As an optional embodiment, the identifier of the current/historical acquired data is a reporting sequence value of the reported data corresponding to the current/historical acquired data, and the identifier of the current acquired data corresponding to the current reported data is a reporting sequence value of the current acquired data corresponding to the current reported data; and adding 1 to the reporting sequence value every time data is reported to the management platform of the internet of things. For example: and recording the identifier of the historical data reported at the 1 st time as a reporting sequence value 1 during the 1 st reporting, and recording the identifier of the acquired data at the 2 nd time as a reporting sequence value 2 during the 2 nd reporting.
In this embodiment, the internet of things management platform records the identifier of the video monitoring front end, the identifier of the data and the specific content of the data sent each time the data sent by the video monitoring front end is received. When reported data sent by a certain video monitoring front end is received subsequently, historical acquired data can be quickly retrieved according to the identification of the video monitoring front end and the identification of the historical acquired data with the highest similarity with the currently acquired data, and the uploaded data can be quickly and accurately recovered according to the historical acquired data and the difference data.
S205: and packaging the reported data according to a standard protocol of the Internet of things and then sending the data to the Internet of things management platform.
In this embodiment, the video monitoring front end further needs to record the currently acquired data and the identifier thereof corresponding to the data reported this time, so as to facilitate the next compression processing on the acquired data.
As an optional embodiment, the reported data further includes the current verification data. After step S203 and before step S204, the method further includes the steps of: and generating the verification data according to the identifier of the historical acquisition data with the highest similarity to the currently acquired data and the difference data between the currently acquired data and the historical acquisition data with the highest similarity to the currently acquired data.
Preferably, the verification data of this time is generated according to the following third formula:
wherein C represents the current check data; ()2Indicating that the numerical value in the parentheses is converted into a binary number;
-indicating the sequential exclusions in digit order of the binary numbers in parenthesesOr a calculation.
In this embodiment, the video monitoring front end generates the report data according to the difference data of the data currently acquired by the video monitoring front end and the corresponding report sequence value, and can perform data verification after the internet of things platform receives the report data, so as to ensure the authenticity of the data and prevent the data from being maliciously tampered in the transmission process.
According to the video transmission reporting method based on the Internet of things, a video monitoring front end firstly obtains historical acquisition data with the highest similarity with currently acquired data, and then determines difference data of the historical acquisition data with the highest similarity; then, generating the verification data according to the identification and the difference data of the history acquisition data with the highest similarity; and finally, sending the difference data, the current verification data, the identifier of the historical acquisition data with the highest similarity and the identifier of the current acquisition data to the Internet of things management platform. The invention can not only effectively compress the data collected by the video monitoring front end, reduce the network transmission pressure of the Internet of things, improve the performance of the system, but also ensure the authenticity of the data and prevent the data from being maliciously tampered in the transmission process.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations. The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A video transmission reporting method based on the Internet of things is characterized by being used for a video monitoring front end, and comprises the following steps:
establishing a communication link with the management platform of the Internet of things and registering the communication link with the management platform of the Internet of things;
comparing and analyzing the current acquired data and the historical acquired data to obtain the reported data;
and packaging the reported data according to a standard protocol of the Internet of things and then sending the data to the Internet of things management platform.
2. The internet of things-based video transmission reporting method of claim 1, wherein the comparing and analyzing the current acquired data and the historical acquired data to obtain the current reported data comprises:
comparing the current acquired data with the historical acquired data, and determining the historical acquired data with the highest similarity to the current acquired data;
determining difference data of the current acquired data and the historical acquired data with the highest similarity to the current acquired data;
generating the reported data; the data reported this time comprises: the identification of the current acquired data, the identification of the historical acquired data with the highest similarity to the current acquired data, and the difference data between the current acquired data and the historical acquired data with the highest similarity to the current acquired data.
3. The internet-of-things-based video transmission reporting method of claim 2, wherein the identifier of the current/historical acquisition data is a reporting sequence value of the reporting data corresponding to the current/historical acquisition data; the initial value of the reporting sequence value is 0, and 1 is added to the reporting sequence value every time data is reported to the management platform of the internet of things;
the method for sending the reported data to the Internet of things after packaging the reported data according to the standard protocol of the Internet of things further comprises the following steps:
and recording the current acquired data and the identification thereof corresponding to the reported data.
4. The internet of things-based video transmission reporting method of claim 3, wherein the comparing the current acquired data with the historical acquired data to determine the historical acquired data with the highest similarity to the current acquired data comprises:
determining a reporting sequence value of historical acquired data with highest similarity to the currently acquired data according to the following first formula:
wherein T representsPreviously acquiring a reporting sequence value of historical acquired data with highest data similarity; e (a) represents a binary number on the a-th bit in the binary form of the currently acquired data; et(a) Representing the binary number on the a-th bit in the binary form of the history acquisition data corresponding to the t-th history reported data; []10Indicating that the value in parentheses is converted to decimal; a is 1,2, …, m; m represents the standard data length of the current acquired data, namely the data bit number; t is 1,2, …, n; n represents the total number of the historical reported data;
the expression that the value of t is from 1 to n to obtain the corresponding value of t when the value in the bracket is the minimum.
5. The internet of things-based video transmission reporting method of claim 4, wherein the determining the difference data between the current acquired data and the historical acquired data with the highest similarity to the current acquired data comprises:
calculating and determining difference data of the current acquired data and the historical acquired data with the highest similarity to the current acquired data according to the following second formula:
wherein Y represents the difference data between the current acquired data and the historical acquired data with the highest similarity with the current acquired data, ET(a) A binary number on the a-th bit in the binary form of the history acquired data representing the highest similarity with the current acquired data,<<representing a left shift function.
6. The internet-of-things-based video transmission reporting method of claim 5, wherein before the generating the report data, the method further comprises:
generating the current checking data according to the identifier of the historical acquisition data with the highest similarity with the current acquisition data and the difference data between the current acquisition data and the historical acquisition data with the highest similarity with the current acquisition data;
the reported data also comprises the checking data.
7. The internet of things-based video transmission reporting method of claim 6, wherein the generating of the current check data according to the identifier of the historical acquired data with the highest similarity to the currently acquired data and the difference data between the currently acquired data and the historical acquired data with the highest similarity to the currently acquired data comprises:
generating the verification data according to the following third formula:
wherein C represents the current check data; ()2Indicating that the numerical value in the parentheses is converted into a binary number;
indicating that the binary numbers in the brackets are subjected to exclusive-or calculation according to the order of digits.
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| CN113794855A (en) * | 2021-07-27 | 2021-12-14 | 广西电网有限责任公司电力科学研究院 | Transmission control system and method for video data of video monitoring system |
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