CN103561230B - A kind of video camera information processing equipment and its processing method - Google Patents
A kind of video camera information processing equipment and its processing method Download PDFInfo
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Abstract
The present invention provides a kind of video camera information processing equipment and its processing method, including video capture device, audio collecting device and Geographic mapping equipment, the video capture device, audio collecting device and Geographic mapping equipment are connected with the compound packetization module of information flow respectively, also include time block, the input and output end of the time block connect Geographic mapping equipment and the compound packetization module of information flow respectively.The timely management of the invention for effectively realizing video camera geographical location information.
Description
Technical field
The invention belongs to the field of video monitoring of safe protection engineering, more particularly to a kind of video camera information processing equipment and its
Processing method.
Background technology
With the development of information technology, high-definition network camera, thermal camera, wireless camera, vehicle-mounted mobile shooting
Machine is in the Network Video Surveillance of the different industries such as safe city, intelligent transportation, army, electric power, water conservancy, medical treatment, finance, mine
It is used widely.
By taking the catenet video surveillance applications of safe city as an example, multistage network video monitoring platform generally requires access not
The video camera of same type is managed collectively（Play in real time, record a video storage, intellectual analysis etc.）.Specifically include：
1st, the public security installed in fixed position that government's investment is built（Or bayonet socket）Video camera；
2nd, the mobile camera that the locomotive that government provides funds to build is installed；
3rd, the CCTV camera that social resources input is built, camera position may change according to practical application.
Current network video monitoring platform carries out simple often by platform to the geographical position residing for each video camera
Name to distinguish.When multi-stage platform be present, superior platforms are to obtain access by the video camera configuration parameter of subordinate's platform
Video camera geographical location information.
Problems be present in this platform video camera geographical location information way to manage：
1st, for the video camera of locomotive, because geographical location information constantly changes, it is necessary to take single way to manage,
So as to increase the complexity of video camera management.
2nd, for the social video camera of access, geographical location information may be produced because practical application changes
Change, if this change does not need to notify video management platform in time.The video camera geographical position letter that platform is managed
Mistake just occurs in breath.
3rd, superior platforms（By taking provincial platform as an example）Subordinate's platform of access（Districts and cities' platform at county level）Video camera when, may
Different subordinate's platforms be present（Various regions cities and counties platform）The video camera geographical position name of configuration is inaccurate, naming rule disunity,
Or naming errors is omitted or not more news.When superior platforms need to comprehensively utilize the geographical position of each subordinate's platform video camera
Information parameter carries out cracking of cases, and when vehicle is arrested, the various disunities of this video camera geographical position name will be broken to public security
Case application brings many uncertainties.
4th, with the fast development of Intellectual Analysis Technology and being substantially improved for video-frequency networking monitoring platform scale, often deposit
Entering the searching mass data application of pedestrian, car, thing or specific event according to particular geographic location.When geographical location information is retouched
When stating inaccurate or omission, many troubles can be brought to intellectual analysis and fact retrieval application.In addition, when geographical location information is retouched
When stating lack of standardization, form disunity, also the fast searching techniques to mass data bring unnecessary complexity.
Video monitoring platform video recording is that event analysis, merit study and judge offer evidential function in many situations.In actual conditions
In, only it is difficult particular geographic location (such as highway bayonet socket application, the video monitoring field for judging video camera by video monitoring scene
Scape is essentially identical).At this moment, only configured by the camera parameters of platform software（Lack of standardization, inaccurate, modifiable present situation）, very
Hardly possible provides very strong evidential function.Exemplified by being applied by safe city, after some important criminal case occurs, public security system in order to
Solve a case, collect evidence, generally require to have access to all kinds video record of storage by multistage network video platform.Including：No
Same place, different zones, different time stage, the fixed location CCTV camera of governmental investment construction, social investment are self-built
CCTV camera, the video camera on locomotive.Multiple different subordinate's platforms that superior platforms are had access to access all kinds of video cameras and deposited
It is inaccurate when there is geographical location information during storage video recording, it is lack of standardization, or during deletion condition, can be solved a case to public security bureau, case geography
Position positioning, the validity of video evidence bring larger trouble.
In addition, public security system is to improve criminal investigation and case detection efficiency, often by intellectualized analysis platform to all kinds of video cameras
Video content carry out intellectual analysis.By taking video monitoring bayonet socket platform as an example, intellectualized analysis platform can by each bayonet socket by
Car carries out car plate, vehicle detection identification, and is accompanied by geographical position, time marking.By taking the bayonet socket monitor supervision platform of a province as an example, such as
Fruit is magnanimity to the vehicle number of all bayonet socket CCTV cameras in 1 week.
When public security system is in order to count all information of vehicles that some geographic range passes through, geographical location information is taken based on
When combining quick-searching with time segment information.It is inaccurate when geographical location information is lack of standardization, or when losing, can drop significantly
The recall precision and retrieval accuracy of low car.So as to largely effect on criminal investigation and case detection efficiency.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide effectively the geographical location information of video camera can be entered
The message processing device that row accurately manages.
Another object of the present invention is to provide the information processing method of the video camera.
In order to realize first goal of the invention, the technical scheme of use is as follows：
A kind of video camera information processing equipment, including video capture device, audio collecting device and Geographic mapping are set
Standby, packetization module compound with information flow connects respectively for the video capture device, audio collecting device and Geographic mapping equipment
Connect, the video camera information processing equipment also includes time block, and the input and output end of the time block connect respectively
Geographic mapping equipment and the compound packetization module of information flow.Geographical location information of the present invention by time block to video camera
It is updated according to the time of setting, is then then forwarded to the compound packetization module of information flow, is updated by the timing of time block,
Video camera be ensure that because the change of geographical location information can be embodied in the information that video camera is exported in time caused by changing
In stream, the accuracy of video camera geographical location information ensure that.
In above-mentioned technical proposal, the video camera information processing equipment is additionally provided with geographical location information coding module, institute
The input and output end for stating geographical location information coding module connect Geographic mapping equipment and time block respectively.It is described
Geographical location information coding module carries out unified coding to the geographical location information transmitted by the location equipment of geographical position, then
Geographical location information after Unified coding is sent to time block processing, numerous by geographical location information coding module specification
The geographical location information of video camera represents, further facilitates the management to the geographical location information of video camera, also ensures that simultaneously
User can be accurately positioned to described geographical position.
The video camera information processing equipment also includes user terminal, and the user terminal is unpacked module, video including information flow
Decoder module, audio decoder module, geographical location information decoder module and information superposition output module, described information stream are unpacked mould
The input of block is connected with the compound packetization module of information flow, and output end respectively with Video decoding module, audio decoder module and
Geographical location information decoder module connects, the Video decoding module, audio decoder module and geographical location information decoder module
Output end be connected respectively with information superposition output module again.
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information description of making an appointment
Mode be added to video image carry out video show.
Above-mentioned technical proposal is directed to video camera per se with geographical location information alignment system, such as GPS navigator.
And the present invention additionally provides a kind of technical scheme for not having geographical location information positioning function for video camera in itself simultaneously, such as
Under：
A kind of video camera information processing equipment, including video capture device and audio collecting device, in addition to geographical position
Data obtaining module and time block, the video capture device, audio collecting device and time block are answered with information flow respectively
Close packetization module connection, the input and output end of the geographical location information acquisition module respectively with video-frequency networking management platform
Connected with time block, geographical location information is obtained by video-frequency networking management platform, and by acquired geographical location information
It is sent to time block.The geographical location information acquisition module of the technical program, can realize video camera and video-frequency networking pipe
The communication module of platform connection, the communication module, which can be integrated between video camera and video-frequency networking management platform, realizes communication
Network communication module on, a single communication module can also be separately set, by the geographical location information acquisition module,
Video camera can obtain geographical position corresponding to the video camera by wired or wireless network from video-frequency networking management platform to be believed
Breath so that itself do not possess the video camera of geographical location information positioning function, can also accurately and timely navigate to geographical position letter
Breath.
In above-mentioned technical proposal, the video-frequency networking management platform be provided with to geographical location information carry out Unified coding or
The geographical location information coding module of transcoding.Rule of the geographical location information coding module to geographical location information according to setting
Unified coding is then carried out, or by original geographical location information with different coding rule according to set uniform rules
Transcoding is carried out, then the geographical location information after Unified coding or transcoding is sent to time block processing.
In above-mentioned technical proposal, the video camera information processing equipment also includes user terminal, and the user terminal includes information
Stream is unpacked module, Video decoding module, audio decoder module, geographical location information decoder module and information superposition output module,
The unpack input of module of described information stream is connected with the compound packetization module of information flow, and output end decodes mould with video respectively
Block, audio decoder module connect with geographical location information decoder module, the Video decoding module, audio decoder module and geography
The output end of positional information decoder module is connected with information superposition output module respectively again.
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information description of making an appointment
Mode be added to video image carry out video show.
In order to realize the second goal of the invention, the technical scheme of use is as follows：
A kind of video camera information processing method, the processing method pass through video capture device, audio collecting device and ground
Reason position location equipment gather respectively video information, audio-frequency information and to should video camera geographical location information, and will regard
Frequency information, audio-frequency information and geographical location information carry out integration output, the geographical position by the compound packetization module of information flow
Information is updated by time block with the cycle renewal frequency made an appointment, then by the geographical location information stream after renewal
It is embedded into the audio/video flow of video camera output.The processing method of the present invention exists for the geographical location information of video camera to be occurred
The objective circumstances such as change, regularly update geographical location information, it is ensured that included in video camera output information by time block
The accuracy of geographical location information.
Further, the geographical location information also first passes through geographical location information coding module and carries out unified form
Coding, be then just sent to time block and be timed renewal.
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information description of making an appointment
Mode be added to video image carry out video show.
Methods described is also shown including carrying out decoding to the information flow of video camera by user terminal, and decodes display processing stream
Journey is as follows：
Step 1：After user terminal receives video camera information stream, work of unpacking is carried out in units of frame to information flow first；
Information flow is divided into 3 parts, video flowing, audio stream and geographical location information stream；
Step 2：Video flowing is sent to Video decoding module, audio stream is sent to audio decoder module, by geographical position
Confidence breath stream is sent to geographical location information decoder module, is decoded respectively；
Step 3：Decoded video image, audio and geographical location parameter information, according to the setting of user, choose whether
Geographic factor information superposition is shown into video image, or parameter information storage is believed to video image information code stream
In breath, used for video intelligent analysis and information retrieval.
The processing method of the present invention, also include the feelings for not possessing geographical location information positioning function in itself for video camera
Condition, its processing method gather video information and audio-frequency information by video capture device and audio collecting device, also passed through respectively
Video-frequency networking management platform obtains geographical location information corresponding to the video camera, and the geographical location information is passed through into time block
It is updated with the cycle renewal frequency made an appointment, then the geographical location information stream after renewal is embedded into video camera output
Video flowing and audio stream in.
Further, the geographical location information also first passes through the volume that geographical location information coding module carries out unified form
Code or transcoding, are then just sent to time block and are timed renewal.
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information description of making an appointment
Mode be added to video image carry out video show.
Methods described also includes the information flow for receiving camera transmissions by user's termination and coming, and first carries out information flow
Unpack, be divided into video flowing and audio stream and geographical location information stream；Then video flowing and audio stream are decoded, geographical position
Information carries out video and shown according to the cycle renewal frequency the made an appointment video image that is added to, while being stored and intelligence
Can analysis application.
The present invention is applied in multistage network video monitoring platform, can preferably utilize the geographical location information of video camera,
Meet following two major requirements：
1st, the geographical location information description of all video cameras of platform access is carried out according to same treaty rule, so as to
In display, storage, retrieval and analysis use；
2nd, platform access all video camera geographical location information be updated according to cycle regular hour, in order to
The management that family changes to video camera in the geographical position of different time sections.So as to meet locomotive video camera simultaneously, image
Put the application scenario that may change in seat in the plane.
Meanwhile the present invention is for containing navigation positioning module（The Big Dipper, GPS or GLONASS navigation positioning modules）Video
Video camera, the geographical location information of the invention by the way that navigation positioning module is exported（By agreement geographical location information form and
The cycle renewal frequency of agreement）It is embedded into the method that the audio/video flow of video camera forms combined-flow output, with solving video camera
Manage location information management such as：Loss of learning or not comprehensively, series of problems caused by the degree of accuracy is inadequate, expression way is chaotic etc..And
Video camera for not containing navigation positioning module, the present invention propose：Video camera passes through video platform video camera geography position
Confidence breath managing software module obtains geographical location information, then according to the geographical location information form of agreement and the cycle of agreement
Renewal frequency is embedded into the method that the audio/video flow of video camera forms combined-flow output, solves video camera geographical location information pipe
Reason is such as：Loss of learning or not comprehensively, series of problems caused by the degree of accuracy is inadequate, expression way is chaotic etc..
Brief description of the drawings
Fig. 1 is a kind of structural representation of the message processing device of the present invention.
Fig. 2 is another structural representation of the message processing device of the present invention.
Fig. 3 is another structural representation of the message processing device of the present invention.
Fig. 4 is the structural representation of the client supporting with the message processing device of the present invention.
Embodiment
Embodiment one：
Fig. 1 is a kind of structural representation of the message processing device of the present invention, and the present invention is for containing geographical location information
The video camera of module, such as：Beidou navigation locating module, GPS navigation locating module or GLONASS navigation positioning modules.
Navigation positioning module（The Big Dipper, GPS or GLONASS）The geographical location information of output is according to the cycle renewal frequency to make an appointment
（Realized by time block）It is embedded into the audio/video flow of video camera output, forms combined-flow and pass through network（It is wired or wireless）
Output.
And accordingly, in user terminal, as shown in Figure 4, the information flow that camera transmissions come is received, first by information
Stream is unpacked, and is divided into video flowing and audio stream and geographical location information stream.Then video flowing and audio stream are decoded, ground
Reason positional information is added to video according to the cycle renewal frequency made an appointment and geographical location information describing mode of making an appointment
Image carries out video and shown, while being stored, the application such as intellectual analysis.
Specific process method step is as follows：
Step 1：Camera video capturing and coding module completes adopting for 1 frame video image in units of picture frame in 40ms
Collection, quantifies and Video coding, Video coding take H264 international standards, forms the video flowing of 1 two field picture.
In specific video coding process, according to the difference of image frame prediction mode, picture frame is divided into：I frames（Only make in frame
Prediction）, P frames（Forward prediction or infra-frame prediction）, B frames（Forward prediction, backward prediction, bi-directional predicted or infra-frame prediction）Deng coding
Pattern.
Camera audio capturing and coding module completes the time interval in 40ms（40ms）Audio collection, quantify, and
Cataloged procedure.Audio coding takes G711 standards, forms audio stream corresponding to 1 two field picture.And complete the time synchronized of audio frequency and video.
Step 2：GPS navigation receiver module obtains according to the data sampling period of itself receives geographical location information, bag
Contain：Latitude, latitude hemisphere, longitude, longitude hemisphere, height above sea level, height unit, geoidal height, height unit, relatively
Velocity of displacement, relative displacement direction, quality factor etc..
According to the data update cycle made an appointment（Such as：More than the gps data sampling period, only in I two field picture forward pass
It is defeated, the M seconds）, cycle description is carried out to the geographical location information of video camera.
Step 3：After the compound packetization module of information flow, combined-flow passes through network（It is or wireless）It is transmitted.
Client is as follows to video camera information stream decoding display device flow：
Step 1：After subscription client receives video camera information stream, work of unpacking is carried out in units of frame to information flow first
Make.When it is I frame types to detect video flowing, then information flow is divided into 3 parts, video flowing, audio stream, geographical location information
Stream.
When it is non-I frames type to detect video flowing, then information flow is divided into 2 parts, video flowing, audio stream.
Step 2：When information flow is 3 part, video flowing is sent to Video decoding module, audio stream is sent to audio
Decoder module, geographical location information stream is sent to geographical location information decoder module, decoded respectively.
When information flow is 2 part, then only need video flowing being sent to Video decoding module, audio stream is sent to audio solution
Code module.
Step 3：Decoded video image, audio and geographical location parameter information, according to the setting of user, choose whether
Geographic factor information superposition is shown into video image, or parameter information storage is believed to video image information code stream
In breath, used for video intelligent analysis and information retrieval.
Embodiment two：
The present embodiment is roughly the same with embodiment one, and it, which is distinguished, is that message processing device is provided with geographical location information volume
Code module, as shown in Figure 2, according to the coding module, coding staff set in advance is used to the geographical location information of video camera
Formula is encoded.
Embodiment three：
Video camera for being configured without geographical location information module, its message processing device as shown in Figure 3, video camera
Need to pass through platform（Such as video camera geographical location information managing software module, it is arranged in video-frequency networking management platform）Obtain
Geographical location information.Then it is embedded into shooting according to the cycle renewal frequency made an appointment by acquired geographical location information
In the audio/video flow of machine output, form combined-flow and pass through network（It is wired or wireless）Output.
In user terminal, the information flow that camera transmissions come is received, information flow is unpacked first, is divided into video flowing
With audio stream and geographical location information stream.Then video flowing and audio stream are decoded, geographical location information according to appointing in advance
The fixed cycle renewal frequency video image that is added to carries out video and shown, while being stored, the application such as intellectual analysis.
Example IV：
Its main message processing device is roughly the same with embodiment three, and difference is in the video-frequency networking management platform
Geographical location information coding module is built-in with, the geographical location information of video camera is pressed according to the geographical location information coding module
Unified coding is carried out according to coded system set in advance, or for existing different coding mode is turned before
Code.
Claims (4)
1. a kind of video camera information processing equipment, including video capture device, audio collecting device and Geographic mapping equipment,
Institute
Stating video capture device, audio collecting device and Geographic mapping equipment, packetization module compound with information flow connects respectively
Connect, it is characterised in that also connect Geographic mapping respectively including time block, the input and output end of the time block
Equipment and the compound packetization module of information flow；
It is additionally provided with geographical location information coding module, input and the output end difference of the geographical location information coding module
Connect Geographic mapping equipment and time block；
The video camera information processing equipment also includes user terminal, and the user terminal is unpacked module, video decoding including information flow
Module, audio decoder module, geographical location information decoder module and information superposition output module, described information stream are unpacked module
Input is connected with the compound packetization module of information flow, and output end respectively with Video decoding module, audio decoder module and geography
Positional information decoder module connects, the Video decoding module, audio decoder module and geographical location information decoder module it is defeated
Go out end to be connected with information superposition output module respectively again；
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information describing mode of making an appointment
The video image that is added to carries out video and shown, the cycle of renewal, which uses, is more than the gps data sampling period, only in I two field picture forward pass
Defeated geographical location information.
2. a kind of video camera information processing equipment, including video capture device and audio collecting device, it is characterised in that also include
Geographical location information acquisition module and time block, the video capture device, audio collecting device and time block respectively with
The connection of information flow compound packetization module, the input and output end of the geographical location information acquisition module respectively with video-frequency networking
Management platform is connected with time block, and geographical location information is obtained by video-frequency networking management platform, and by acquired geography
Positional information is sent to time block；
The video-frequency networking management platform is provided with the geographical location information that Unified coding or transcoding are carried out to geographical location information
Coding module；
The video camera information processing equipment also includes user terminal, and the user terminal is unpacked module, video decoding including information flow
Module, audio decoder module, geographical location information decoder module and information superposition output module, described information stream are unpacked module
Input is connected with the compound packetization module of information flow, and output end respectively with Video decoding module, audio decoder module and geography
Positional information decoder module connects, the Video decoding module, audio decoder module and geographical location information decoder module it is defeated
Go out end to be connected with information superposition output module respectively again；
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information describing mode of making an appointment
The video image that is added to carries out video and shown, the cycle of renewal, which uses, is more than the gps data sampling period, only in I two field picture forward pass
Defeated geographical location information.
3. a kind of video camera information processing method, the processing method pass through video capture device, audio collecting device and geography
Position location equipment gather respectively video information, audio-frequency information and to should video camera geographical location information, and by video
Information, audio-frequency information and geographical location information carry out integration output by the compound packetization module of information flow, it is characterised in that described
Geographical location information is updated by time block with the cycle renewal frequency made an appointment, then by the geographical position after renewal
Information flow is embedded in
Into the audio/video flow of video camera output；
The geographical location information also first passes through the coding that geographical location information coding module carries out unified form, then just sends
Renewal is timed to time block；
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information describing mode of making an appointment
The video image that is added to carries out video and shown, the cycle of renewal, which uses, is more than the gps data sampling period, only in I two field picture forward pass
Defeated geographical location information；
Methods described is also shown including carrying out decoding to the information flow of video camera by user terminal, and decodes display processing flow such as
Under：
Step 1:After user terminal receives video camera information stream, work of unpacking is carried out in units of frame to information flow first；Will letter
Breath flow point is 3 parts, video flowing, audio stream and geographical location information stream；
Step 2:Video flowing is sent to Video decoding module, audio stream is sent to audio decoder module, geographical position is believed
Breath stream is sent to geographical location information decoder module, is decoded respectively；
Step 3:Decoded video image, audio and geographical location parameter information, according to the setting of user, choose whether by
Geographic factor information superposition is shown into video image, or parameter information storage is arrived into video image information code stream information
In, used for video intelligent analysis and information retrieval.
4. a kind of video camera information processing method, the processing method are adopted respectively by video capture device and audio collecting device
Collect video information and audio-frequency information, it is characterised in that geographical position corresponding to the video camera is also obtained by video-frequency networking management platform
Confidence is ceased, and the geographical location information is updated by time block with the cycle renewal frequency made an appointment, then will more
Geographical location information stream after new is embedded into the video flowing and audio stream of video camera output；
The geographical location information also first passes through the coding or transcoding that geographical location information coding module carries out unified form, then
Just it is sent to time block and is timed renewal；
The geographical location information is according to the cycle renewal frequency made an appointment and geographical location information describing mode of making an appointment
The video image that is added to carries out video and shown, the cycle of renewal, which uses, is more than the gps data sampling period, only in I two field picture forward pass
Defeated geographical location information；
Methods described also includes the information flow for receiving camera transmissions by user's termination and coming, and is first torn open information flow
Bag, is divided into video flowing and audio stream and geographical location information stream；Then video flowing and audio stream are decoded, geographical position letter
Breath according to the cycle renewal frequency made an appointment be added to video image carry out video show, while stored and intelligence
Analysis application.
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| CN204741517U (en) * | 2015-07-08 | 2015-11-04 | 成都西可科技有限公司 | Real -time synchronization integrates into program recording system of longitude and latitude coordinate information to video in |
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