CN108377363A - A kind of monitor video acquisition methods based on event triggering - Google Patents
A kind of monitor video acquisition methods based on event triggering Download PDFInfo
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- CN108377363A CN108377363A CN201810121233.5A CN201810121233A CN108377363A CN 108377363 A CN108377363 A CN 108377363A CN 201810121233 A CN201810121233 A CN 201810121233A CN 108377363 A CN108377363 A CN 108377363A
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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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2181—Source of audio or video content, e.g. local disk arrays comprising remotely distributed storage units, e.g. when movies are replicated over a plurality of video servers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses a kind of monitor video acquisition methods based on event triggering, and this method comprises the following steps：Step 1, server pulls video from camera；Step 2, when target device is triggered Event trigger is sent to server；Step 3, after server receives Event trigger, it is inserted into mark and the second time identifier at the first time in video；Step 4, server receives the video acquisition order that user sends out, and video time section is determined according to video acquisition order；If the time that target device is triggered in video time section, thens follow the steps 5；Step 5, the video clip between first time mark and the second time identifier is supplied to user by server.The present invention can realize fast search when anomalous event occurs to useful monitor video and transfer, and improve convenience and the flexibility of monitor video acquisition；The present invention not only dramatically saves manpower, also has outstanding advantages of reliability is high, highly practical.
Description
Technical field
The present invention relates to technical field of video monitoring, specifically for, the present invention be it is a kind of based on event triggering prison
Control video acquiring method.
Background technology
With the continuous promotion of the continuous development of technology of Internet of things and urban informationization level, in order to realize urban sustainable development
Development promotes Comprehensive Competitiveness of Cities, and smart city is come into being.In smart city, video monitoring plays irreplaceable
Effect provides very important foundation, for example, the passage video etc. of smart city for population tracking and data acquisition.
Conventional monitor video storage and acquisition are general in the following way：The video that camera acquires is stored in first
In network hard disk video recorder (NVR, Network Video Recorder), and centralization storage is carried out, needs to transfer in user
When video, intercepted from stored video.But there are the following problems for conventional techniques：
(1) during being intercepted to stored video, need it is artificial a section audited after intercept, this
A process can take considerable time, be possible to the video needed, and manual examination and verification are it is possible that carelessness, careless omission etc.
Problem is stronger to ability to work, the experience dependence of personnel, it is difficult to meet actual needs, for example, to feelings such as the tracking of suspect
Condition, so the prior art has promptness difference；
(2) it since conventional technique scheme is centralization storage, thus can be occupied largely when being intercepted to video
Central processing unit (CPU) resource and memory, it is likely that server failure can be caused even to paralyse, so there is also can for the prior art
By the problem of property difference.
Therefore, how to realize in time, reliably obtain monitor video, reduce depending on unduly and to server to personnel
It influences, to easily provide foundation for data acquisition and population tracking, becomes those skilled in the art's skill urgently to be resolved hurrily
Art problem and the emphasis studied always.
Invention content
To solve poor promptness existing for conventional monitor video acquisition scheme, poor reliability, cannot be satisfied actual demand etc.
Problem, the present invention innovatively provide a kind of monitor video acquisition methods triggered based on event, the angle pair triggered from event
Monitor video is identified, when user needs monitor video, can pointedly by with the relevant useful monitor video of event
Automatic screening comes out, is supplied to user, avoids manual examination and verification flow and server interception flow, existing to thoroughly solve
The problems such as promptness existing for technology is poor, poor reliability.
To realize above-mentioned technical purpose, the invention discloses a kind of monitor video acquisition methods based on event triggering,
Described method includes following steps,
Step 1, during video monitoring, server pulls video from camera；
Step 2, when the target device within the scope of the camera head monitor is triggered, target device sends thing to server
Part trigger signal；
Step 3, after the server receives the Event trigger, the is inserted into the video that the camera is recorded
One time identifier and the second time identifier, and it is identified as the mark of time started at the first time, at the end of the second time identifier is
Between mark；Wherein, the time started is earlier than the time that target device is triggered, the end time be later than that target device is triggered when
Between；
Step 4, the server receives the video acquisition order that user sends out, and is determined according to the video acquisition order
Video time section；If the time that the target device is triggered in the video time section, thens follow the steps 5；
Step 5, the video clip between first time mark and the second time identifier is supplied to user by the server.
Based on above-mentioned technical solution, the present invention innovatively combines the acquisition of monitor video with the triggering of event,
When anomalous event occurs, it can realize pair the fast search with the relevant video of anomalous event and transfer, to thoroughly save
Manual examination and verification flow improves convenience, timeliness and the flexibility of monitor video acquisition.
Further, in step 3 further include the video clip setting identified for first time between the second time identifier
The step of storage life；When in chronological sequence sequence carries out expired video deletion to server automatically, order is in regarding in storage life
Frequency segment retains.
Based on above-mentioned improved technical solution, under limited memory space, the present invention can make the preservation of useful video
Time is more long, solves the problems, such as that the useful video of time too long is cleared up automatically.
Further, the method further includes step 6,
Step 6, for be supplied to user video clip bind event attribute, extend its storage life.
Based on above-mentioned improved technical solution, the present invention is the video binding event attribute transferred, to improve
The preservation priority of the video makes the video have longer storage life, so that the later stage calls again.
Further, in step 1, the video code conversion of reception is multiple TS files by the server, and to the multiple
TS files carry out distributed storage；Using the address of each TS files as index, it is stored in server.
Based on above-mentioned improved technical solution, the method that the present invention innovatively uses distributed storage, to effectively carry
The flexibility of high video storage and timeliness, cost saved server resource, reduce the pressure of server.
Further, a length of 5 seconds video clips when a TS file is one.
Further, the method further includes the steps that the video recorded to camera backs up.
Based on above-mentioned improved technical solution, the present invention can effectively ensure the safety of data, to avoid unexpected feelings
Caused by condition the problems such as loss of data.
Further, in step 3,5 seconds more early than the time that target device is triggered of the time started, the end time
5 seconds more late than the time that target device is triggered.
Further, in step 4, the video acquisition order include in video playing order, video download command extremely
Few one kind, user send out video acquisition order by way of keying in two time points in video time section to server.
Further, the target device is intelligent entrance guard, and the camera is security protection camera.
Further, wireless network connection between the intelligent entrance guard and the server, the intelligent entrance guard is to described
Server sends Event trigger, and the Event trigger is that intelligent entrance guard is opened signal or intelligent entrance guard is closed
Signal.
Beneficial effects of the present invention are：The present invention can be realized when anomalous event occurs to the quick of useful monitor video
It searches for and transfers, improve convenience, flexibility and the timeliness of monitor video acquisition；The present invention not only dramatically saves people
Power, and significantly reduce the occupancy in monitor video acquisition process to server resource.In addition, the present invention also has reliably
Property it is high, highly practical outstanding advantages of, conventional monitor video can be substituted completely and obtain scheme, answered suitable for being widely applied
With.
Description of the drawings
Fig. 1 is the flow diagram of the monitor video acquisition methods triggered based on event.
Specific implementation mode
A kind of monitor video acquisition methods based on event triggering of the present invention are carried out with reference to the accompanying drawings of the specification detailed
Thin explanation and illustration.
As shown in Figure 1, the present embodiment specifically discloses a kind of monitor video acquisition methods triggered based on event, from monitoring
The convenience of video acquisition and the angle of reliability are set out, to efficiently solve problems existing in the prior art；
This method specifically comprises the following steps.
Step 1, during video monitoring, server pulls video from camera (video source), to realize server
Obtain the video that camera is recorded.In the present embodiment, the video code conversion of reception is multiple TS files by server, and to multiple
TS files carry out distributed storage；It using the address of each TS files as index, is stored in server, passes through each TS files
Address can get each TS files, to realize download or broadcasting to video；Wherein, it is a length of when a TS file is one
5 seconds video clips.When it is implemented, can by Open-Source Tools FFMPEG (Fast Forward Mpeg) by video temporally
Granulation (recommends 5 seconds segments), and can realize distributed storage by minio.
In addition, in the present embodiment, target device can be the channel barriers equipment such as intelligent entrance guard, and camera can be that security protection images
Head；Event trigger, event are sent to server by wireless network connection, intelligent entrance guard between intelligent entrance guard and server
Trigger signal is that intelligent entrance guard is opened signal or intelligent entrance guard is closed signal.
Step 2, when the target device within the scope of camera head monitor is triggered, target device sends event to server and touches
It signals.
Step 3, after server receives Event trigger, server is inserted at the first time in the video that camera is recorded
Mark and the second time identifier, and it is identified as the mark of time started at the first time, the mark that the second time identifier is the end time
Know；Wherein, the time started, the end time was later than the time that target device is triggered earlier than the time that target device is triggered；
In the present embodiment, 5 seconds more early than the time that target device is triggered of time started, the end time is than the time that target device is triggered
5 seconds evenings obtained before and after the time point totally 10 seconds videos that is, on the basis of the time point that target device is triggered；In step 3 also
It may include the step of storage life is arranged in the video clip between first time mark and the second time identifier；Server on time
Between sequencing when carrying out expired video automatically and deleting, enable the video clip being in storage life retain.Certainly, in the present embodiment
On the basis of disclosure, the method for shelf-life is arranged can also be substituted by way of priority is arranged for video clip, enable with
The relevant video clip of Event trigger with higher priority, the video clip unrelated with Event trigger with compared with
Low priority, when video is cleared up or is deleted due to limited storage space etc., the high video clip of priority
Lag processing.
Step 4, server receives the video acquisition order that user sends out, and determines video time according to video acquisition order
Section；If the time that target device is triggered in video time section, thens follow the steps 5.In the present embodiment, video acquisition
Order includes at least one of video playing order, video download command, and when specific operation, user needs to pass through key entry
The mode at two time points in video time section sends out video acquisition order to server.
Step 5, the video clip between first time mark and the second time identifier is supplied directly to user by server,
It downloads or plays for user.
Step 6, for be supplied to user video clip bind event attribute, extend its storage life.In the present embodiment, " tie up
Determine event attribute " it is interpreted as：The video clip is related to Event trigger, and the video clip by user download or
It was played by user；Then reasonably extended on the basis of the storage life being set, so that the video clip is had longer
Storage life.
In addition, the monitor video acquisition methods that the present embodiment is related to further include：In any of above-mentioned step 2 to step 6
In step, the step of backup to the video that camera is recorded.
It should be noted that above-mentioned step 1 often moves in circles and holds in the specific implementation to step 3 under normal circumstances
Capable, even if obtained to monitor video in step 4 to step 5, step 1 to step 3 is still being executed, is being carried out to real-time video
It records and stores；It will thus be appreciated that the video obtained in step 4 to step 5 can be the monitor video acquired in the recent period,
Can be record the time it is longer but still storage history monitor video.
Technical solution disclosed in the present embodiment can be well used in smart city.For example, being led in community security protection
Domain combines user's door open event with security protection camera, when user opens the door, by door open event and piece of video when opening the door
Section is joined together, and is combined by the user in the user and video according to enabling, to determine whether to reside, interim or visit
The information such as visitor, while behavior judgement can also be carried out to emphasis personnel, help is provided for street and public security, when being abnormal event
When, can also according to door open event quickly, transfer corresponding video in time, avoid big section of video of manual examination and verification, that is, avoid
Time wastes the problems such as being omitted with emphasis matters.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the description of this specification, reference term " the present embodiment ", " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property is necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other,
Those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples
Feature is combined.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Any modification, equivalent replacement and simple modifications etc., should all be included in the protection scope of the present invention made by content.
Claims (10)
1. a kind of monitor video acquisition methods based on event triggering, it is characterised in that：Described method includes following steps,
Step 1, during video monitoring, server pulls video from camera；
Step 2, when the target device within the scope of the camera head monitor is triggered, target device sends event to server and touches
It signals；
Step 3, after the server receives the Event trigger, when being inserted into first in the video that the camera is recorded
Between mark and the second time identifier, and be identified as the mark of time started at the first time, the second time identifier is the end time
Mark；Wherein, the time started, the end time was later than the time that target device is triggered earlier than the time that target device is triggered；
Step 4, the server receives the video acquisition order that user sends out, and determines video according to the video acquisition order
Time interval；If the time that the target device is triggered in the video time section, thens follow the steps 5；
Step 5, the video clip between first time mark and the second time identifier is supplied to user by the server.
2. the monitor video acquisition methods according to claim 1 based on event triggering, it is characterised in that：In step 3 also
It include the steps that the video clip setting storage life between first time mark and the second time identifier；Server temporally
When sequencing carries out expired video deletion automatically, the video clip being in storage life is enabled to retain.
3. the monitor video acquisition methods according to claim 2 based on event triggering, it is characterised in that：The method is also
Including step 6,
Step 6, for be supplied to user video clip bind event attribute, extend its storage life.
4. the monitor video acquisition methods based on event triggering according to any claim in claims 1 to 3, special
Sign is：In step 1, the video code conversion of reception is multiple TS files, and is carried out to the multiple TS files by the server
Distributed storage；Using the address of each TS files as index, it is stored in server.
5. the monitor video acquisition methods according to claim 4 based on event triggering, it is characterised in that：One TS file
A length of 5 seconds video clips when being one.
6. the monitor video acquisition methods according to claim 5 based on event triggering, it is characterised in that：The method is also
Include the steps that being backed up to the video that camera is recorded.
7. the monitor video acquisition methods based on event triggering according to claim 1 or 6, it is characterised in that：
In step 3,5 seconds more early than the time that target device is triggered of the time started, the end time is than target device quilt
5 seconds evenings of time of triggering.
8. the monitor video acquisition methods according to claim 7 based on event triggering, it is characterised in that：
In step 4, the video acquisition order includes at least one of video playing order, video download command, Yong Hutong
The mode for spending two time points for keying in video time section sends out video acquisition order to server.
9. the monitor video acquisition methods based on event triggering according to claim 1 or 8, it is characterised in that：The mesh
Marking device is intelligent entrance guard, and the camera is security protection camera.
10. the monitor video acquisition methods according to claim 9 based on event triggering, it is characterised in that：The intelligence
Wireless network connection between gate inhibition and the server, the intelligent entrance guard send Event trigger, institute to the server
It is that intelligent entrance guard is opened signal or intelligent entrance guard is closed signal to state Event trigger.
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| CN201810121233.5A CN108377363A (en) | 2018-02-07 | 2018-02-07 | A kind of monitor video acquisition methods based on event triggering |
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| CN110942568A (en) * | 2019-12-06 | 2020-03-31 | 浩云科技股份有限公司 | Intelligent detection method and device for illegal bank note adding between bank note adding |
| CN111107314A (en) * | 2019-12-06 | 2020-05-05 | 江苏苏宁物流有限公司 | Warehouse logistics monitoring method and system |
| CN112579567A (en) * | 2020-12-14 | 2021-03-30 | 常州微亿智造科技有限公司 | MinIO-based industrial quality inspection file distributed storage system and method |
| CN113382312A (en) * | 2020-03-09 | 2021-09-10 | 腾讯科技（深圳）有限公司 | Video highlight recording method and device and computing equipment |
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Application publication date: 20180807 |