CN114257780A - Intelligent security video management system and method - Google Patents
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
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- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
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Abstract
The invention discloses a system and a method for managing intelligent security video, which relate to the technical field of security, and the system comprises: the system comprises a management device, a network encoder, a security video acquisition device and a security video encryption device; the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; the network encoder is in signal connection with the security video acquisition device and is used for communicating with the security video acquisition device after security video data are collected and compressed, and storing the collected security video data serving as security video files into the security video acquisition device.
Description
Technical Field
The invention relates to the technical field of security, in particular to an intelligent security video management system and method.
Background
With the development of economy, people have higher and higher requirements on safety protection, and a video monitoring system as an important component in the field of safety protection is rapidly developed in recent years, and has been developed from an early special-field system into a current digital, multi-site, multi-field and large-data-volume video monitoring system.
The video monitoring technology mainly comprises audio and video acquisition, data playback and data storage. The basic working principle of the video monitoring system is that a camera or a video camera is used for acquiring audio and video information, and then an encoder is used for encoding the audio and video information so as to digitize the audio and video data. The digitized audio and video data can be used for real-time monitoring and can be stored firstly for subsequent playback.
A typical prior art video surveillance system includes a management platform, a network encoder, and a hard disk recorder. The management platform is used for distributing storage resources for the network encoder and the hard disk video recorder, managing video files, and performing operations such as retrieval, playback and deletion on the video files; the network encoder collects audio and video data, compresses the audio and video data and stores the audio and video data into the hard disk video recorder through a network; the hard disk video recorder collects audio and video data, compresses the audio and video data, and directly stores the audio and video data into a hard disk of the hard disk video recorder, and a Graphical User Interface (GUI) of the hard disk video recorder provides functions of file retrieval, playback, total file size statistics and query, file number statistics and query and the like for recorded images stored by the hard disk video recorder.
The existing monitoring develops towards the direction of high-definition live video, centralized storage of video data and centralized management and management of a management pipe. The high-definition video means that video files stored in the hard disk video recorder within the same time are larger, a hard disk with larger capacity is needed, and the occupied network bandwidth is also larger. Centralized storage and centralized management mean that the video monitoring system puts higher requirements on the storage performance and the storage file management mechanism of the network and the hard disk video recorder.
Disclosure of Invention
In view of this, the present invention provides an intelligent security video management system and method, which perform intelligent encryption management on a security video, so as to realize intelligentization of security video management, improve management efficiency of security video files, and improve security of security video files.
In order to achieve the purpose, the invention adopts the following technical scheme:
a smart security video management system, the system comprising: the system comprises a management device, a network encoder, a security video acquisition device and a security video encryption device; the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; the network encoder is in signal connection with the security video acquisition device and is used for communicating with the security video acquisition device after acquiring and compressing security video data and storing the acquired security video data serving as a security video file into the security video acquisition device; the management device is respectively in signal connection with the security video acquisition device and the network encoder and is used for managing the security video acquisition device and the network encoder; the security video encryption device is in signal connection with the security video acquisition device and is used for encrypting the security video stored in the security video acquisition device.
Further, security protection video acquisition device specifically includes: the interface unit is used for carrying out information interaction with the interface unit of the management device and the interface unit of the network encoder; the hard disk is used for storing the security video file; and the file management unit is respectively in signal connection with the interface unit and the hard disk and is used for creating and maintaining the file structures of all security video files taking a channel as a unit, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are stored according to the file structures.
Further, the security protection video encryption device comprises: the transcoding unit is used for carrying out unified format conversion on the security video to be encrypted in the security video acquisition device so as to facilitate subsequent slice encryption processing; the acquisition unit is used for acquiring all security video data corresponding to the security video file; the selecting unit is used for selecting a certain number of key frame security protection video files from all the obtained security protection video image frames according to the configuration files and slicing the selected files to form security protection video slice files to be encrypted; and the encryption unit is used for encrypting the security protection video slice file to be encrypted.
Further, the selecting unit includes: the selecting unit is used for selecting a certain number of key frame security protection video files in all security protection video image frames according to the configuration files; a processing unit: the key frame security protection video file encryption method is used for segmenting and slicing the selected key frame security protection video file to form a security protection video slice file to be encrypted.
Further, the file management unit is specifically configured to, after the interface unit receives a request for creating a security video file sent by the management device, search a channel directory of the request in the file structure, search a current date directory under the channel directory, generate a file node under the current date directory, set a file identification field and a file size field, set a content of whether a flag field is being written to be yes, and store all security video files locally acquired by the security video acquisition device in the file node; after the management device is received to establish the security video file, updating the file size field of the corresponding file node in the file structure, and setting the content of whether the flag field is being written as no; or specifically, after the interface unit receives a request for creating a security video file sent by the management device, the interface unit searches a channel directory of the request in the file structure, searches a current date directory under the channel directory, generates a file node under the current date directory, sets a file identification field and a file size field, sets the content of whether a flag field is being written to be yes, and notifies the management device that preparation for creating the security video file is completed, so that the management device notifies the network encoder to send the security video file to the security video acquisition device, and the security video acquisition device saves the received security video file in the file node; and after the fact that the management device creates the security video file is received, updating the file size field of the corresponding file node in the file structure, and setting the content of whether the mark field is being written as negative.
A smart security video management method comprises the following steps: step 1: the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; step 2: the method comprises the steps that security video data are collected and compressed, then the security video data are communicated with a security video acquisition device, and the collected security video data are stored into the security video acquisition device as security video files; and step 3: the management device is used for managing the security video acquisition device and the network encoder; and 4, step 4: and the security video encryption device is used for encrypting the security video stored in the security video acquisition device.
Further, security protection video acquisition device specifically includes: the interface unit is used for carrying out information interaction with the interface unit of the management device and the interface unit of the network encoder; the hard disk is used for storing the security video file; and the file management unit is respectively in signal connection with the interface unit and the hard disk and is used for creating and maintaining the file structures of all security video files taking a channel as a unit, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are stored according to the file structures.
Further, the security protection video encryption device comprises: the transcoding unit is used for carrying out unified format conversion on the security video to be encrypted in the security video acquisition device so as to facilitate subsequent slice encryption processing; the acquisition unit is used for acquiring all security video data corresponding to the security video file; the selecting unit is used for selecting a certain number of key frame security protection video files from all the obtained security protection video image frames according to the configuration files and slicing the selected files to form security protection video slice files to be encrypted; and the encryption unit is used for encrypting the security protection video slice file to be encrypted.
Compared with the prior art, the invention has the following beneficial effects: the security video is intelligently encrypted and managed, so that the intelligence of the security video management is realized, the management efficiency of the security video file is improved, and meanwhile, the security of the security video file is improved.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a schematic system structure diagram of an intelligent security video management system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for managing an intelligent security video according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only configured to match the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not configured to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not configured to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial technical changes and modifications.
Example 1
As shown in fig. 1, a video management system for security and intelligence, the system includes: the system comprises a management device, a network encoder, a security video acquisition device and a security video encryption device; the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; the network encoder is in signal connection with the security video acquisition device and is used for communicating with the security video acquisition device after acquiring and compressing security video data and storing the acquired security video data serving as a security video file into the security video acquisition device; the management device is respectively in signal connection with the security video acquisition device and the network encoder and is used for managing the security video acquisition device and the network encoder; the security video encryption device is in signal connection with the security video acquisition device and is used for encrypting the security video stored in the security video acquisition device.
Specifically, a video security monitoring system generally comprises four main parts, namely a front end, transmission, control and display record. The front end part comprises one or more cameras and a lens, a tripod head, a protective cover, a decoding driver and the like which are matched with the cameras; the transmission part comprises an electric cable and/or an optical cable, possible wired/wireless signal modulation and demodulation equipment and the like; the control part mainly comprises a video switcher, a cloud platform lens controller, an operation keyboard, a kind control communication interface, a power supply, a control platform matched with the power supply, a monitor cabinet and the like; the display recording apparatus mainly includes a monitor, a video recorder, a multi-screen splitter, and the like.
Example 2
On the basis of the last embodiment, the security protection video acquisition device specifically includes: the interface unit is used for carrying out information interaction with the interface unit of the management device and the interface unit of the network encoder; the hard disk is used for storing the security video file; and the file management unit is respectively in signal connection with the interface unit and the hard disk and is used for creating and maintaining the file structures of all security video files taking a channel as a unit, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are stored according to the file structures.
Specifically, the types of video security monitoring systems can be basically divided into two types, one type is a monitoring system which works locally and independently and does not support network transmission and remote network monitoring. The video security monitoring system is generally suitable for internal application, a monitoring end and a monitored end need to be fixed in place, and early video security monitoring systems are generally of the type. The other type can work independently locally or cooperatively through networking, and is characterized by supporting remote network monitoring, and carrying out security monitoring anytime and anywhere as long as a password is provided with a networked computer, and taking network people as a representative.
Example 3
On the basis of the previous embodiment, the security video encryption device comprises: the transcoding unit is used for carrying out unified format conversion on the security video to be encrypted in the security video acquisition device so as to facilitate subsequent slice encryption processing; the acquisition unit is used for acquiring all security video data corresponding to the security video file; the selecting unit is used for selecting a certain number of key frame security protection video files from all the obtained security protection video image frames according to the configuration files and slicing the selected files to form security protection video slice files to be encrypted; and the encryption unit is used for encrypting the security protection video slice file to be encrypted.
Specifically, video encryption is to encrypt some videos with own copyright, and a user can obtain the watching right of the videos only under certain conditions. For example, after an education video is encrypted, only students can watch the education video, and each student has a unique account. Or, there are unlimited viewing times within a certain time, or there is no limit to the time but the total number of viewing times is limited. The benefit of the method can protect the benefit of the video owner and enable the video user to obtain better learning effect. With the increasing protection of the state on intellectual property and copyright and the increasing development of each training industry, the final competition is the product differentiation, namely the difference of video contents is the root of attracting users, so that the video encryption processing is very necessary. This is also one of the more and more rapid trends in the video encryption industry in recent years.
Example 4
On the basis of the above embodiment, the selecting unit includes: the selecting unit is used for selecting a certain number of key frame security protection video files in all security protection video image frames according to the configuration files; a processing unit: the key frame security protection video file encryption method is used for segmenting and slicing the selected key frame security protection video file to form a security protection video slice file to be encrypted.
Example 5
On the basis of the previous embodiment, the file management unit is specifically configured to, after the interface unit receives a request for creating a security video file sent by the management device, search a channel directory of the request in the file structure, search a current date directory under the channel directory, generate a file node under the current date directory, set a file identification field and a file size field, set a content of whether a flag field is being written to be yes, and store all security video files locally acquired by the security video acquisition device in the file node; after the management device is received to establish the security video file, updating the file size field of the corresponding file node in the file structure, and setting the content of whether the flag field is being written as no; or specifically, after the interface unit receives a request for creating a security video file sent by the management device, the interface unit searches a channel directory of the request in the file structure, searches a current date directory under the channel directory, generates a file node under the current date directory, sets a file identification field and a file size field, sets the content of whether a flag field is being written to be yes, and notifies the management device that preparation for creating the security video file is completed, so that the management device notifies the network encoder to send the security video file to the security video acquisition device, and the security video acquisition device saves the received security video file in the file node; and after the fact that the management device creates the security video file is received, updating the file size field of the corresponding file node in the file structure, and setting the content of whether the mark field is being written as negative.
Example 6
A method for managing smart security video, as shown in fig. 2, the method performs the following steps: step 1: the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; step 2: the method comprises the steps that security video data are collected and compressed, then the security video data are communicated with a security video acquisition device, and the collected security video data are stored into the security video acquisition device as security video files; and step 3: the management device is used for managing the security video acquisition device and the network encoder; and 4, step 4: and the security video encryption device is used for encrypting the security video stored in the security video acquisition device.
Example 7
On the basis of the last embodiment, the security protection video acquisition device specifically includes: the interface unit is used for carrying out information interaction with the interface unit of the management device and the interface unit of the network encoder; the hard disk is used for storing the security video file; and the file management unit is respectively in signal connection with the interface unit and the hard disk and is used for creating and maintaining the file structures of all security video files taking a channel as a unit, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are stored according to the file structures.
On the basis of the previous embodiment, the security video encryption device comprises: the transcoding unit is used for carrying out unified format conversion on the security video to be encrypted in the security video acquisition device so as to facilitate subsequent slice encryption processing; the acquisition unit is used for acquiring all security video data corresponding to the security video file; the selecting unit is used for selecting a certain number of key frame security protection video files from all the obtained security protection video image frames according to the configuration files and slicing the selected files to form security protection video slice files to be encrypted; and the encryption unit is used for encrypting the security protection video slice file to be encrypted.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes and related descriptions of the storage device and the processing device described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Those of skill in the art would appreciate that the various illustrative devices, method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that programs corresponding to the software devices, method steps may be located in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, register device, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. To clearly illustrate this interchangeability of electronic hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a wisdom security protection video management system which characterized in that, the system includes: the system comprises a management device, a network encoder, a security video acquisition device and a security video encryption device; the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; the network encoder is in signal connection with the security video acquisition device and is used for communicating with the security video acquisition device after acquiring and compressing security video data and storing the acquired security video data serving as a security video file into the security video acquisition device; the management device is respectively in signal connection with the security video acquisition device and the network encoder and is used for managing the security video acquisition device and the network encoder; the security video encryption device is in signal connection with the security video acquisition device and is used for encrypting the security video stored in the security video acquisition device.
2. The system of claim 1, wherein the security video acquisition device specifically comprises: the interface unit is used for carrying out information interaction with the interface unit of the management device and the interface unit of the network encoder; the hard disk is used for storing the security video file; and the file management unit is respectively in signal connection with the interface unit and the hard disk and is used for creating and maintaining the file structures of all security video files taking a channel as a unit, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are stored according to the file structures.
3. The system of claim 2, wherein the security video encryption device comprises: the transcoding unit is used for carrying out unified format conversion on the security video to be encrypted in the security video acquisition device so as to facilitate subsequent slice encryption processing; the acquisition unit is used for acquiring all security video data corresponding to the security video file; the selecting unit is used for selecting a certain number of key frame security protection video files from all the obtained security protection video image frames according to the configuration files and slicing the selected files to form security protection video slice files to be encrypted; and the encryption unit is used for encrypting the security protection video slice file to be encrypted.
4. The system of claim 3, wherein the selecting unit comprises: the selecting unit is used for selecting a certain number of key frame security protection video files in all security protection video image frames according to the configuration files; a processing unit: the key frame security protection video file encryption method is used for segmenting and slicing the selected key frame security protection video file to form a security protection video slice file to be encrypted.
5. The system according to claim 4, wherein the file management unit is specifically configured to, after the interface unit receives a request for creating a security video file sent by the management device, search a channel directory of the request in the file structure, search a current date directory under the channel directory, generate a file node under the current date directory, set a file identification field and a file size field, set a content of whether a flag field is being written to be yes, and store all security video files locally acquired by the security video acquisition device in the file node; after the management device is received to establish the security video file, updating the file size field of the corresponding file node in the file structure, and setting the content of whether the flag field is being written as no; or specifically, after the interface unit receives a request for creating a security video file sent by the management device, the interface unit searches a channel directory of the request in the file structure, searches a current date directory under the channel directory, generates a file node under the current date directory, sets a file identification field and a file size field, sets the content of whether a flag field is being written to be yes, and notifies the management device that preparation for creating the security video file is completed, so that the management device notifies the network encoder to send the security video file to the security video acquisition device, and the security video acquisition device saves the received security video file in the file node; and after the fact that the management device creates the security video file is received, updating the file size field of the corresponding file node in the file structure, and setting the content of whether the mark field is being written as negative.
6. A method for managing security video based on the system of any one of claims 1 to 5, wherein the method comprises the following steps: step 1: the security video acquisition device creates and maintains file structures of all security video files, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are saved according to the file structures; step 2: the method comprises the steps that security video data are collected and compressed, then the security video data are communicated with a security video acquisition device, and the collected security video data are stored into the security video acquisition device as security video files; and step 3: the management device is used for managing the security video acquisition device and the network encoder; and 4, step 4: and the security video encryption device is used for encrypting the security video stored in the security video acquisition device.
7. The method of claim 6, wherein the security video acquisition device specifically comprises: the interface unit is used for carrying out information interaction with the interface unit of the management device and the interface unit of the network encoder; the hard disk is used for storing the security video file; and the file management unit is respectively in signal connection with the interface unit and the hard disk and is used for creating and maintaining the file structures of all security video files taking a channel as a unit, each security video file node in the file structures corresponds to a security video file in an actual hard disk, and all security video files locally acquired by the network encoder or the security video acquisition device are stored according to the file structures.
8. The method of claim 7, wherein the security video encryption device comprises: the transcoding unit is used for carrying out unified format conversion on the security video to be encrypted in the security video acquisition device so as to facilitate subsequent slice encryption processing; the acquisition unit is used for acquiring all security video data corresponding to the security video file; the selecting unit is used for selecting a certain number of key frame security protection video files from all the obtained security protection video image frames according to the configuration files and slicing the selected files to form security protection video slice files to be encrypted; and the encryption unit is used for encrypting the security protection video slice file to be encrypted.
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