CN114189654A - Intelligent video supplementary recording method and device for video monitoring system - Google Patents
Intelligent video supplementary recording method and device for video monitoring system Download PDFInfo
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- CN114189654A CN114189654A CN202111446254.2A CN202111446254A CN114189654A CN 114189654 A CN114189654 A CN 114189654A CN 202111446254 A CN202111446254 A CN 202111446254A CN 114189654 A CN114189654 A CN 114189654A
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- 230000000295 complement effect Effects 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- 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
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Abstract
The invention discloses a video intelligent additional recording method and a device of a video monitoring system, wherein two different self-checking modes are provided according to whether a front-end camera is configured with a storage plan, if the storage plan is configured by a storage device, a video management platform judges whether a video is complete or not by comparing whether the video duration in the storage device is consistent with the video duration in the front-end camera or not, and completes the additional recording self-checking process; aiming at the storage equipment which is not configured with a storage plan, the video management platform completes the supplementary recording self-checking process by detecting the integrity of the time index information of the video in the database. And if the video management platform detects that the video in the storage equipment is missing, issuing an additional recording plan, and calling the missing video from the front-end camera to perform additional recording operation. The method and the device can make up the condition of video recording loss when the network is abnormal.
Description
Technical Field
The application belongs to the technical field of video monitoring in security and protection facilities, and particularly relates to a video intelligent additional recording method and device for a video monitoring system.
Background
The video monitoring system is an important component of a safety precaution system, is composed of a front-end camera, a transmission system, a video management server and other products, can effectively assist security personnel in processing alarm events, and reduces the situations of false alarm and false alarm to the maximum extent. In a video monitoring system, particularly for a scene with an alarm event, a user calls a video record of a corresponding scene from a storage device through a video management platform, if conditions such as network disconnection or instability exist between a front-end camera and the platform at that time, the condition that the video segment checked and called by the user is incomplete can be caused, and the missing content can provide a reason for the occurrence of the emergency event, and even has an important effect on the analysis of the emergency event. Video integrity is an important factor in ensuring that a complete reproduction of an emergency occurs.
At present, the video monitoring field generally adopts a video recording mode, and the basic flow is as follows: the front-end camera stores the real-time video stream into a local storage medium of the equipment, and when the local storage medium reaches a certain amount, the streaming media server calls a related interface of the front-end camera and transmits the video cached in the local storage medium to the storage equipment for storage. Although the above video recording mode can realize the additional recording function to a certain extent, the consumption of the memory will gradually increase with the requirement of increasing the additional recording time, and the additional recording time is short due to the influence of the limited local memory of the front-end camera.
The video additional recording plays an important role in the integrity of videos, particularly the analysis of emergency events, and how to ensure the integrity of the videos is achieved, and meanwhile, the problem of recording for a long time is urgently solved.
Disclosure of Invention
The application aims to provide a video intelligent additional recording method and device for a video monitoring system, which are applied to a video missing scene during network interruption so as to solve the problem that video storage is lost during poor network or network interruption.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a video monitoring system video intelligence additional recording method, video monitoring system includes video management platform, storage device and front end camera, the front end camera is provided with local storage medium for the video data of storage front end camera collection, video monitoring system video intelligence additional recording method is applied to the video management platform in the video monitoring system, includes:
the video management platform judges whether the storage equipment is configured with a storage plan aiming at the front-end camera;
when the storage equipment is configured with a storage plan aiming at the front-end camera, comparing the video time period actually stored in the storage equipment with the time period of the storage plan, if the video time period is not consistent with the time period of the storage plan, issuing an additional recording plan, and calling the corresponding missing video additional recording from the front-end camera to the storage equipment;
when the storage device is not configured with a storage plan aiming at the front-end camera, whether the video recording time index information of the storage device is continuous or not is checked, if the video recording time index information is discontinuous, an additional recording plan is issued, and the corresponding missing video additional recording is called from the front-end camera to the storage device.
Further, the comparing the recording time period actually stored in the storage device with the time period of the storage plan includes:
the video management platform carries out timing inspection on the storage equipment, and the timing inspection cycle is shorter than the storage time of the local storage medium of the front-end camera.
Further, for a storage device which is not configured with a storage plan, when the video of the front-end camera is stored in the storage device, the storage device can generate time index information from the start-stop time information of the stored video and store the time index information into the database; for a storage device configured with a storage plan, the storage device stores the storage plan information in a database.
Further, the retrieving, from the front-end camera, the corresponding missing video to be additionally recorded to the storage device includes:
and calling an SDK interface of the front-end camera, and then downloading video data corresponding to the supplement plan from a local storage medium of the front-end camera to the storage equipment to ensure the integrity of the video data.
The application also provides a video monitoring system video intelligence after-recording device, video monitoring system includes video management platform, storage equipment and front end camera, the front end camera is provided with local storage medium for the video data that the storage front end camera gathered, video monitoring system video intelligence after-recording device is applied to the video management platform among the video monitoring system, contains:
the judging module is used for judging whether the storage equipment is configured with a storage plan aiming at the front-end camera;
the query module is used for comparing the video time period actually stored in the storage equipment with the time period of the storage plan when the storage equipment is configured with the storage plan aiming at the front-end camera; when the storage device is not configured with a storage plan aiming at the front-end camera, checking whether the video recording time index information of the storage device is continuous;
and the supplement and recording module is used for issuing a supplement and recording plan when the actual storage time period in the storage equipment is inconsistent with the time period of the storage plan or the recording time index information of the storage equipment is discontinuous, and calling the corresponding missing video supplement and recording to the storage equipment from the front-end camera.
Further, the comparing, by the query module, the video recording time period actually stored in the storage device with the time period of the storage plan includes:
and carrying out timing inspection on the storage equipment, wherein the timing inspection cycle is shorter than the storage time of the local storage medium of the front-end camera.
Further, for a storage device which is not configured with a storage plan, when the video of the front-end camera is stored in the storage device, the storage device can generate time index information from the start-stop time information of the stored video and store the time index information into the database; for a storage device configured with a storage plan, the storage device stores the storage plan information in a database.
Further, the supplementary recording module calls a corresponding missing video from the front-end camera to be supplementary recorded in the storage device, and includes:
and calling an SDK interface of the front-end camera, and then downloading video data corresponding to the supplement plan from a local storage medium of the front-end camera to the storage equipment to ensure the integrity of the video data.
The application provides a video intelligent additional recording method and device for a video monitoring system, firstly, whether a video has a storage plan or not is intelligently judged, different additional recording self-checking strategies are adopted according to different conditions, namely if a front-end camera has the storage plan, a video management platform detects whether a video recording time period in a storage device is consistent with a storage plan time period or not, if the front-end camera does not have the storage plan, the video management platform detects video recording time index information in a database to judge whether the video is complete or not, otherwise, the additional recording plan is issued, a missing video is called from the front-end camera, the integrity of front-end video data is ensured, the influence of factors such as a network and the like on real-time streaming recording is avoided, meanwhile, the video additional recording technology can greatly reduce consumed memory, and the video additional recording time is not less than 30 minutes.
Drawings
FIG. 1 is a schematic diagram of a video surveillance system according to an embodiment of the present application;
FIG. 2 is a flowchart of an intelligent video supplementary recording method of a video monitoring system according to the present application;
fig. 3 is a schematic flow chart of a video intelligent dubbing method according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below in a clear and complete manner with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
The application provides a video intelligent additional recording method and device for a video monitoring system, which can ensure the integrity of videos and can perform additional recording on videos with longer time.
As shown in fig. 1, in the video monitoring system, a front-end camera uploads video data to a video management platform through a network, and then stores the video data in a storage device. The front-end camera usually has an SD card or NVR as a local storage medium. The video management platform stores the relevant information of the video stored by the front-end camera in a database, and then carries out video recording operation through streaming media service. Meanwhile, the storage device can configure a storage plan as required to pay attention to video data in a certain time period.
As shown in fig. 2, an intelligent video complementary recording method for a video monitoring system, where the video monitoring system includes a video management platform, a storage device, and a front-end camera, where the front-end camera is provided with a local storage medium for storing video data collected by the front-end camera, is applied to the video management platform in the video monitoring system, and includes:
step S1, the video management platform determines whether the storage device is configured with a storage plan for the front-end camera.
In this embodiment, for a time period in which the front-end camera needs to pay attention, the video management platform sets a storage plan for the storage device to store videos of the time period. Aiming at the front-end camera configured with the storage plan, the video monitoring system stores the storage plan into a corresponding database table, and when the video of the front-end camera is stored into the storage equipment, the storage equipment can generate the information such as the start-stop time and the like attached to the video segment into index information to be recorded into the database.
And step S2, when the storage device is configured with a storage plan aiming at the front-end camera, comparing the video time period actually stored in the storage device with the time period of the storage plan, if the video time period is not consistent with the time period of the storage plan, issuing an additional recording plan, and calling the corresponding missing video additional recording from the front-end camera to the storage device.
In this embodiment, for a front-end camera configured with a storage plan, the video management platform periodically queries the corresponding storage plan of the storage device, compares the start-stop time of a video in the storage device with the time period of the storage plan, and implements real-time monitoring of the video, and if the time period of the storage plan is not consistent with the time period of the video, it is determined that the front-end camera has a video missing, and the video management platform issues an additional recording plan.
In a specific embodiment, the comparing the recording time period actually stored in the storage device with the time period of the storage plan includes:
the video management platform carries out timing inspection on the storage equipment, and the timing inspection cycle is shorter than the storage time of the local storage medium of the front-end camera.
In this embodiment, the video management platform performs timing polling. It is easily understood that when a storage plan exists, the video data collected by the front-end camera is stored in the storage device according to the storage plan, and is also stored in a storage medium local to the front-end camera. Since the storage space of the local storage medium is limited, the overlay storage is performed after the stored video data exceeds the storage space of the local storage medium.
Therefore, in order to avoid the situation that the content stored in the local storage medium of the front-end camera is covered when the recording needs to be supplemented, the timing patrol cycle needs to be shorter than the storage duration of the local storage medium of the front-end camera, so that when the recording needs to be supplemented, the recording data needing to be supplemented can be acquired from the local storage medium of the front-end camera.
If the storage space of the local storage medium of the front-end camera is large enough, the storage space can be divided into two sections, and after the storage in the first time period is finished, the video management platform starts to perform routing inspection. Therefore, when the front-end camera stores the acquired video data in the second time period, the additional recording in the first time period is completed, and the phenomenon that the additional recording cannot be performed is avoided.
It is easy to understand that the larger the storage space of the local storage medium of the front-end camera is, the easier the additional recording of the missing video can be realized, and the additional recording can be smoothly realized by reasonably setting the routing inspection time.
And step S3, when the storage plan for the front-end camera is not configured in the storage equipment, checking whether the video recording time index information of the storage equipment is continuous or not, if not, issuing an additional recording plan, and calling the corresponding missing video additional recording from the front-end camera to the storage equipment.
And the video management platform inquires the time index information of the videos in the database table and judges whether the front-end camera needs to additionally record the videos or not according to the continuity of the time index information. In this embodiment, for a front-end camera not configured with a storage plan, the video management platform queries whether video recording time index information of storage equipment in the database table is continuous, if so, the video recording does not need to be additionally recorded, otherwise, the video recording needs to be additionally recorded.
In the application, for the storage device which is not configured with a storage plan, when the video of the front-end camera is stored in the storage device, the storage device can generate time index information from the start-stop time information of the stored video and store the time index information into the database; for a storage device configured with a storage plan, the storage device stores the storage plan information in a database.
Therefore, the video management platform can judge whether the additional recording plan needs to be issued only by comparing whether the video time period actually stored in the storage device is consistent with the time period of the storage plan or checking whether the video time index information of the storage device is continuous.
In an embodiment of the present application, as shown in fig. 3, a method for intelligently supplementing videos of a video monitoring system includes:
step S201, the video management platform automatically performs the entry-supplementing self-checking operation, and first determines whether the front-end camera is configured with a storage plan.
Step S202, if the front-end camera is configured with a storage plan, the video management platform judges whether to issue an additional recording plan by comparing whether the time period of the storage plan is consistent with the video time period.
Step S203, if the front-end camera is not configured with a storage plan, the video management platform inquires the time index information of the videos in the database table, and judges whether the front-end camera needs to additionally record the videos according to the continuity of the time index information.
And step S204, executing the supplement plan to finish the video supplement.
In this embodiment, when a video recording loss is detected, an automatic and automatic dubbing task is generated and executed, and the video stream data in the loss time period is downloaded from the SD card or NVR of the front-end camera by calling the SDK interface of the front-end camera.
For example, for a video supplementary recording with a configured storage plan, taking video information with a duration of half an hour as an example, a front-end camera stores video with a duration of half an hour into a memory, the duration of the video actually stored into the memory is less than half an hour due to a network abnormal condition, a video management platform detects whether the video of the front-end camera with the configured storage plan is complete, and by comparing whether the video recording duration in the storage device is consistent with the duration of the front-end camera, if the video is missed due to a network accident, the video recording duration is inconsistent, the video management platform issues a supplementary recording plan, and after the network is restored, the supplementary recording plan re-records the missed video into the storage device.
An embodiment of the present application further provides a video intelligent additional recording device of a video monitoring system, the video monitoring system includes a video management platform, a storage device and a front-end camera, the front-end camera is provided with a local storage medium for storing video data collected by the front-end camera, the video intelligent additional recording device of the video monitoring system is applied to the video management platform of the video monitoring system, and includes:
the judging module is used for judging whether the storage equipment is configured with a storage plan aiming at the front-end camera;
the query module is used for comparing the video time period actually stored in the storage equipment with the time period of the storage plan when the storage equipment is configured with the storage plan aiming at the front-end camera; when the storage device is not configured with a storage plan aiming at the front-end camera, checking whether the video recording time index information of the storage device is continuous;
and the supplement and recording module is used for issuing a supplement and recording plan when the actual storage time period in the storage equipment is inconsistent with the time period of the storage plan or the recording time index information of the storage equipment is discontinuous, and calling the corresponding missing video supplement and recording to the storage equipment from the front-end camera.
For specific limitations of the video intelligent complementary recording device of the video monitoring system, reference may be made to the above limitations on the video intelligent complementary recording method of the video monitoring system, which are not described herein again. All modules in the intelligent video supplementary recording device of the video monitoring system can be completely or partially realized through software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
The memory and the processor are electrically connected, directly or indirectly, to enable transmission or interaction of data. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The memory stores a computer program that can be executed on the processor, and the processor executes the computer program stored in the memory, thereby implementing the network topology layout method in the embodiment of the present invention.
The Memory may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory is used for storing programs, and the processor executes the programs after receiving the execution instructions.
The processor may be an integrated circuit chip having data processing capabilities. The Processor may be a general-purpose Processor including a Central Processing Unit (CPU), a Network Processor (NP), and the like. The various methods, steps and logic blocks disclosed in embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In an embodiment of the present apparatus, the comparing, by the query module, the video recording time period actually stored in the storage device with the time period of the storage plan includes:
and carrying out timing inspection on the storage equipment, wherein the timing inspection cycle is shorter than the storage time of the local storage medium of the front-end camera.
In one embodiment of the device, for a storage device which is not configured with a storage plan, when a video of a front-end camera is stored in the storage device, the storage device generates time index information from start-stop time information of the stored video and stores the time index information into a database; for a storage device configured with a storage plan, the storage device stores the storage plan information in a database.
In an embodiment of the present apparatus, the method for retrieving, by the additional recording module, the missing video from the front-end camera to be additionally recorded in the storage device includes:
and calling an SDK interface of the front-end camera, and then downloading video data corresponding to the supplement plan from a local storage medium of the front-end camera to the storage equipment to ensure the integrity of the video data.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The intelligent video complementary recording method for the video monitoring system comprises a video management platform, a storage device and a front-end camera, and is characterized in that the front-end camera is provided with a local storage medium for storing video data collected by the front-end camera, and is applied to the video management platform in the video monitoring system, and comprises the following steps:
the video management platform judges whether the storage equipment is configured with a storage plan aiming at the front-end camera;
when the storage equipment is configured with a storage plan aiming at the front-end camera, comparing the video time period actually stored in the storage equipment with the time period of the storage plan, if the video time period is not consistent with the time period of the storage plan, issuing an additional recording plan, and calling the corresponding missing video additional recording from the front-end camera to the storage equipment;
when the storage device is not configured with a storage plan aiming at the front-end camera, whether the video recording time index information of the storage device is continuous or not is checked, if the video recording time index information is discontinuous, an additional recording plan is issued, and the corresponding missing video additional recording is called from the front-end camera to the storage device.
2. The method for intelligent video supplementary recording of video monitoring system according to claim 1, wherein said comparing the video recording time period actually stored in the storage device with the time period of the storage plan comprises:
the video management platform carries out timing inspection on the storage equipment, and the timing inspection cycle is shorter than the storage time of the local storage medium of the front-end camera.
3. The intelligent video supplement method for the video monitoring system according to claim 1, wherein for a storage device not configured with a storage plan, when the video of the front-end camera is stored in the storage device, the storage device will generate time index information from the start-stop time information of the stored video and store the time index information in the database; for a storage device configured with a storage plan, the storage device stores the storage plan information in a database.
4. The method for intelligently supplementing videos in a video monitoring system according to claim 1, wherein the retrieving the corresponding missing videos from the front-end camera for supplementing into the storage device comprises:
and calling an SDK interface of the front-end camera, and then downloading video data corresponding to the supplement plan from a local storage medium of the front-end camera to the storage equipment to ensure the integrity of the video data.
5. The utility model provides a video monitoring system video intelligence after-recording device, video monitoring system includes video management platform, storage equipment and front end camera, its characterized in that, the front end camera is provided with local storage medium for the video data of storage front end camera collection, video monitoring system video intelligence after-recording device is applied to the video management platform among the video monitoring system, contains:
the judging module is used for judging whether the storage equipment is configured with a storage plan aiming at the front-end camera;
the query module is used for comparing the video time period actually stored in the storage equipment with the time period of the storage plan when the storage equipment is configured with the storage plan aiming at the front-end camera; when the storage device is not configured with a storage plan aiming at the front-end camera, checking whether the video recording time index information of the storage device is continuous;
and the supplement and recording module is used for issuing a supplement and recording plan when the actual storage time period in the storage equipment is inconsistent with the time period of the storage plan or the recording time index information of the storage equipment is discontinuous, and calling the corresponding missing video supplement and recording to the storage equipment from the front-end camera.
6. The intelligent video supplement and recording device for video monitoring system according to claim 5, wherein said query module compares the video recording time period actually stored in the storage device with the time period of the storage plan, comprising:
and carrying out timing inspection on the storage equipment, wherein the timing inspection cycle is shorter than the storage time of the local storage medium of the front-end camera.
7. The intelligent additional recording device of a video monitoring system according to claim 5, wherein for a storage device not configured with a storage plan, when the video of the front-end camera is stored in the storage device, the storage device will generate time index information from the start-stop time information of the stored video and store the time index information into the database; for a storage device configured with a storage plan, the storage device stores the storage plan information in a database.
8. The intelligent video recording device of claim 5, wherein the recording module retrieves the corresponding missing video from the front-end camera to be recorded in the storage device, and comprises:
and calling an SDK interface of the front-end camera, and then downloading video data corresponding to the supplement plan from a local storage medium of the front-end camera to the storage equipment to ensure the integrity of the video data.
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