CN110191322A - A kind of video monitoring method and system of shared early warning - Google Patents
A kind of video monitoring method and system of shared early warning Download PDFInfo
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- CN110191322A CN110191322A CN201910488429.2A CN201910488429A CN110191322A CN 110191322 A CN110191322 A CN 110191322A CN 201910488429 A CN201910488429 A CN 201910488429A CN 110191322 A CN110191322 A CN 110191322A
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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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The invention discloses a kind of video monitoring methods of shared early warning, comprising the following steps: step A establishes video and shares, and step A1 establishes database for video data type；Step A2 sets digit speech recognition mode based on the database；Step B, establishes early warning mechanism, and step B1 establishes the Data Analysis Model for being used for video structural；Step B2 carries out region division based on the analysis model, obtains several subregions, and subregionization is whole for denumerable unit point；Step B3 establishes dynamic based on the subregion and captures algorithm；Step B4 captures threshold value of the algorithm setting triggering under different condition for dynamic, and the critical reaction of each threshold value can generate an alarm.The present invention realizes the shared access of different data format, improves practicability, while carrying out intelligent monitoring to a variety of environment, greatly improves the processing capacity of video monitoring, saved human cost.
Description
Technical field
The present invention relates to field of video monitoring more particularly to a kind of video monitoring methods and system of shared early warning.
Background technique
Currently, the maintenance work for video monitoring system is mainly manually detected and handled, monitoring difficulty is big, failure
It handles not in time, and maintenance work amoun is huge, and the cost of O&M is caused to be continuously increased, and makes the using effect of video monitoring system
It has a greatly reduced quality, has seriously affected effective development of on-site supervision work.Therefore, the information of video monitoring system maintenance work is improved
Change level, the video monitoring operation management system of construction information has become the trend of Video Surveillance Industry development.In general, monitoring
Operational system removes video monitoring equipment that is huge and increasing rapidly of patrolling generally by limited manpower, and pole does not have reality meaning
Justice so that video monitoring equipment is led to the problem of in terms of O&M ensures service it is following various: troubleshooting postpones seriously, event without
Method timely responds to；Equipment mode standard multiplicity, maintenance model inefficiency；Existing maintenance is backward in technique, and engineering staff's information is not
The problems such as smooth.
As shown in Figure 1, being usually in the prior art that camera is connected to NVR for the setting of video monitoring system
On (NetworkVideo Recorder, that is, network hard disk video recorder), then NVR is registered to streaming media server, then passed through
The monitor terminal that streaming media server manufacturer provides checks video.But because streaming media server cannot convert different videos
Data format, the application accordingly, for data must be unified reference formats, and the equipment of docking is also fixation, and equipment is suitable
Answer narrow scope；Simultaneity factor function is that single real-time video is realized, staff needs full-time monitoring monitoring device, Ren Yuanlao
Fatigue resistance is big, easily causes fatigue, and then supervision is caused to be neglected, to fight, illegally when dangerous situations, the personnel such as catch fire, leak electricity become estranged
When the unexpected generations such as personnel swarm into, personnel's disease is sent out, it cannot monitor in time, so that immeasurable consequence occurs.
In conclusion a kind of this field urgently video monitoring method and system to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide the video monitoring methods and system of a kind of shared early warning, realize different data format
Shared access, improve practicability, while intelligent monitoring is carried out to a variety of environment, greatly improve the processing energy of video monitoring
Power has saved human cost.
The technical solution adopted by the present invention to solve the technical problems is: a kind of video monitoring method of shared early warning, packet
Include following steps:
Step A establishes video and shares,
Step A1 establishes database for video data type；
Step A2 sets digit speech recognition mode based on the database；
Step B, establishes early warning mechanism,
Step B1 establishes the Data Analysis Model for being used for video structural；
Step B2 carries out region division based on the analysis model, obtains several subregions, and subregionization is whole to be denumerable
Unit point；
Step B3 establishes dynamic based on the subregion and captures algorithm；
Step B4 captures threshold value of the algorithm setting triggering under different condition, the critical reaction of each threshold value for dynamic
An alarm can be generated.
Preferably, the digit speech recognition mode in the step A2 includes that different video data are unanimously converted into sdi signal.
Preferably, the Data Analysis Model in the step B1 is dynamic processing module comprising room and time axis
It establishes, wherein spatial axes are three-dimensional, including X-axis, Y-axis and Z axis, and time shaft is as unit of frame.
Preferably, the subregion in the step B2 includes data block, and the data block on the unit point is arranged in three-dimensional
The pixel of array.
Preferably, it includes dynamic baseline judgment formula that the dynamic in the step B3, which captures algorithm:
S=Δ N- Δ M；
Wherein, i is time initial value, and j is dynamic pull-in time value, and X, Y, Z are respectively X-axis, Y-axis, the corresponding domain on Z axis
Point is the temporal action displacement amount of i, is the temporal action displacement amount of j, and T is the velocity of displacement on i to j period, and S is
Dynamic displacement distance, C are dynamic baseline.
Preferably, the different condition in the step B4 includes the condition types defined according to particular event, and each fixed
Threshold value corresponding to adopted condition is different, and the threshold value with the dynamic baseline for being compared, once dynamic baseline is greater than threshold
Value, then trigger alarm.
Invention also provides a kind of video monitoring systems of shared early warning, including supervising platform, supplier's video to take
It is engaged in and building-site video equipment, carries out data interaction between above-mentioned three, supervising platform includes data acquisition module and data
Processing module, supplier's Video service include IPC, NVR, DVR, streaming media server, video structure analyzing server, center
Management server and storage managing server, building-site video equipment include camera.
Preferably, including supplier, institute Video service is believed to the building-site video equipment collection site monitoring device
Breath is then processed the video monitoring data interface for submitting monitoring device information into supervising platform.
It preferably, further include that video playing interface of the supervising platform into supplier's Video service sends request
Video playing address, then target fetching instruction is sent to building-site video equipment, building-site by supplier's Video service
The live video grabbed is flowed through supplier's Video service and returns to video playing address into supervising platform by video equipment.
The beneficial effects of the present invention are: the general of different video data is realized by digit speech recognition, so that video equipment
Selection it is extensive, be no longer limited to the unified of fixed equipment and use, it is extremely convenient, while making the video of different types of data total
It enjoys in monitor supervision platform, enhances practicability；By the realization of early warning mechanism, so that monitoring work is intelligent, and then improve
Working efficiency has saved human cost, increases the safety of supervision.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the invention will be further described, and the accompanying drawings in the following description is only section Example of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other accompanying drawings:
Fig. 1 is the structural schematic diagram of one of prior art in background of invention；
Fig. 2 is a kind of modular structure schematic diagram of the video monitoring system of shared early warning of the present invention；
Fig. 3 is a kind of another modular structure schematic diagram of the video monitoring system of shared early warning of the present invention.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Technical solution in example carries out clear, complete description, it is clear that and described embodiment is section Example of the invention, and
It is not all of embodiment.Based on the embodiment of the present invention, those of ordinary skill in the art are not before making the creative labor
Every other embodiment obtained is put, protection scope of the present invention is belonged to.
In embodiment 1, a kind of video monitoring method of shared early warning, comprising the following steps:
Step A establishes video and shares,
Step A1 establishes database for video data type；
Step A2 sets digit speech recognition mode based on the database；
Step B, establishes early warning mechanism,
Step B1 establishes the Data Analysis Model for being used for video structural；
Step B2 carries out region division based on the analysis model, obtains several subregions, and subregionization is whole to be denumerable
Unit point；
Step B3 establishes dynamic based on the subregion and captures algorithm；
Step B4 captures threshold value of the algorithm setting triggering under different condition, the critical reaction of each threshold value for dynamic
An alarm can be generated.
Further, the digit speech recognition mode in the step A2 includes that different video data are unanimously converted into SDI letter
Number.It is baseband signal including the video data decompressor completed will be encoded, according to transmission feelings during exchanging video data
Condition is re-encoded, and is subject to encapsulation appropriate, using identical interface protocol, in a streaming manner, in different video products
Between to carry out transmission shared.Wherein, no matter which kind of compression coding mode video capture device inside uses, and passes in next receiving end
When defeated video data, video data decoding is sent to SDI encoder, this data by the data decoding unit built in it first
The premise of exchange is such as SDI interface, and corresponding encoding and decoding to be arranged based on the interface for establishing same protocol between different equipment
Server-side, while using exchange of the data flow that can be identified jointly according to one kind as intermediary's progress video/audio.In addition,
Distributed computing technology is used in the video data transmission of database and each node, storage computations can be assigned to each section
Point avoids carrying out excess load operation by individually handling node, greatly promotes data storage, calculates, retrieval rate.
Further, the Data Analysis Model in the step B1 is dynamic processing module comprising room and time axis
Foundation, wherein spatial axes are three-dimensional, including X-axis, Y-axis and Z axis, and time shaft is as unit of frame.In view of video data by
Non-structured room and time data composition, sets up three-dimensional framework herein, and with time frame be switching unit each frame it
Between corresponding three-dimensional spatial relationship, so as to form Analysis Model Framework, and then using time frame as the node of Relationship Between Dynamic Change, formed
Dynamic space relationship frame.
Further, the subregion in the step B2 includes data block, and the data block on the unit point is arranged in three
Tie up the pixel of array.When carrying out dynamic capture to screen data, including the static analysis to every frame image, wherein including
Calculate the situation of change of every frame image slices vegetarian refreshments.
Preferably, it includes dynamic baseline judgment formula that the dynamic in the step B3, which captures algorithm:
S=Δ N- Δ M；
Wherein, i is time initial value, and j is dynamic pull-in time value, and X, Y, Z are respectively X-axis, Y-axis, the corresponding domain on Z axis
Point is the temporal action displacement amount of i, is the temporal action displacement amount of j, and T is the velocity of displacement on i to j period, and S is
Dynamic displacement distance, C are dynamic baseline.I value and j value mutual circulation substitution, with the continuity on the retention time, while preventing from catching
Dynamic relationship frame-skipping when catching.
Further, the different condition in the step B4 includes the condition types defined according to particular event, and each
Threshold value corresponding to definition condition is different, and the threshold value with the dynamic baseline for being compared, once dynamic baseline is greater than
Threshold value then triggers alarm.Wherein, the condition of triggering includes: the abnormal aggregation of 1) crowd: 2) the abnormal delay of crowd；3)
More than two people abnormal limbs behavior or contacts；4) more than two people armed to stand facing each other or have a fist fight；5) (figure is strange, takes for special personnel
Fill protrusion etc.) occur；6) more people run (in the same direction or incorgruous) simultaneously；7) enter and be prohibited from entering region；8) full of smoke, spark splashes
It rises, the too strong, water flow of illumination etc., but trigger condition is not limited to the above-mentioned type.Specifically, triggering judgement includes to pixel color
The capture of coloured silk, concentration range, size, distance, pace of change etc. judges.Each trigger condition is a corresponding threshold set in advance
Value, dynamic capture algorithm it is calculated each when interframe dynamic substrate with threshold value is watchful compared with, if supervising beyond threshold value
It controls and forms an alarm in platform, and the alarm corresponds in captured video.
Invention also provides a kind of video monitoring systems of shared early warning, as seen in figures 2 and 3, including supervising platform,
Supplier's Video service and building-site video equipment carry out data interaction between above-mentioned three, and supervising platform includes that data are adopted
Collect module and data processing module, supplier's Video service includes IPC, NVR, DVR, streaming media server, video structural point
Analysing server, center management server and storage managing server, building-site video equipment includes camera.Data acquisition module
Block includes video monitoring data interface, is used for the reception and transmission of data；Data processing module is used for the processing of monitoring data,
It includes the access at peripheral operation end and the offer of early warning mechanism；IPC, NVR, DVR are for accessing streaming media server, so
It include afterwards that project, channel number, the address for obtaining video flowing etc. are sent according to the signature rule of supervising platform agreement by video information
To supervising platform, supervising platform is when carrying out video playing, first according to the signature rule request video supply of supervising platform agreement
The address of the acquisition video flowing sent before quotient obtains live video stream broadcast address, and video supplier can test the request
Card, to guarantee data security, then plays out again；Video structure analyzing server, center management server and storage tube
Reason server is used to cooperate the realization of early warning mechanism, while realizing data conversion and sharing.
Further, including supplier, institute Video service is believed to the building-site video equipment collection site monitoring device
Breath is then processed the video monitoring data interface for submitting monitoring device information into supervising platform.
It further, further include that video playing interface transmission request of the supervising platform into supplier's Video service obtains
Video playing address is taken, then target fetching instruction is sent to building-site video equipment by supplier's Video service, and building site is existing
The live video grabbed is flowed through supplier's Video service and returns to video playing address into supervising platform by field video equipment.
Claims (9)
1. a kind of video monitoring method of shared early warning, which comprises the following steps:
Step A establishes video and shares,
Step A1 establishes database for video data type；
Step A2 sets digit speech recognition mode based on the database；
Step B, establishes early warning mechanism,
Step B1 establishes the Data Analysis Model for being used for video structural；
Step B2 carries out region division based on the analysis model, obtains several subregions, and subregionization is whole for denumerable list
Site；
Step B3 establishes dynamic based on the subregion and captures algorithm；
Step B4 captures threshold value of the algorithm setting triggering under different condition for dynamic, and the critical reaction of each threshold value can produce
A raw alarm.
2. the video monitoring method of shared early warning according to claim 1, which is characterized in that the number in the step A2
Conversion regime includes that different video data are unanimously converted into sdi signal.
3. the video monitoring method of shared early warning according to claim 1, which is characterized in that the data in the step B1
Analysis model is dynamic processing module comprising the foundation of room and time axis, wherein spatial axes are three-dimensional, including X-axis, Y
Axis and Z axis, time shaft is as unit of frame.
4. the video monitoring method of shared early warning according to claim 1, which is characterized in that the sub-district in the step B2
Domain includes data block, and the data block on the unit point is arranged in the pixel of cubical array.
5. the video monitoring method of shared early warning according to claim 1, which is characterized in that the dynamic in the step B3
Capturing algorithm includes dynamic baseline judgment formula:
S=Δ N- Δ M；
Wherein, i is time initial value, and j is dynamic pull-in time value, and X, Y, Z are respectively X-axis, Y-axis, the corresponding domain point on Z axis, Δ M
For the temporal action displacement amount of i, Δ N is the temporal action displacement amount of j, and T is the velocity of displacement on i to j period, and S is
Dynamic displacement distance, C are dynamic baseline.
6. sharing the video monitoring method of early warning according to claim 1 or 5, which is characterized in that in the step B4
Different condition includes the condition types defined according to particular event, and threshold value corresponding to each definition condition is different, the threshold
Value once dynamic baseline is greater than threshold value, then triggers alarm for being compared with the dynamic baseline.
7. a kind of video monitoring system of shared early warning, which is characterized in that including supervising platform, supplier's Video service and building site
Live video equipment, carries out data interaction between above-mentioned three, and supervising platform includes data acquisition module and data processing module,
Supplier's Video service includes IPC, NVR, DVR, streaming media server, video structure analyzing server, centre management service
Device and storage managing server, building-site video equipment include camera.
8. the video monitoring system of shared early warning according to claim 7, which is characterized in that taken including supplier, institute video
It is engaged in then being processed to the building-site video equipment collection site monitoring device information and submitting monitoring device information to prison
Video monitoring data interface in pipe platform.
9. the video monitoring system of shared early warning according to claim 7 or 8, which is characterized in that further include the supervision
Video playing interface of the platform into supplier's Video service sends request video playing address, and then supplier's video takes
Target fetching instruction is sent to building-site video equipment by business, and building-site video equipment flows through the live video grabbed
Supplier's Video service returns to video playing address into supervising platform.
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