CN103974037A - Real-time retrieval system and method based on network video cloud - Google Patents
Real-time retrieval system and method based on network video cloud Download PDFInfo
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Abstract
The invention discloses a real-time retrieval system and method based on network video cloud. The system comprises a front-end device, a cloud platform and a retrieval terminal. The front-end device comprises a plurality of audio and video acquisition devices and a plurality of real-time discriminating devices. The output of the audio and video acquisition devices is connected to the input of the real-time discriminating devices. The cloud platform comprises an audio and video network transmission device, a control signal network transmission device and a storage device. The real-time discriminating devices are connected with the retrieval terminal through the cloud platform, the retrieval terminal issues commands to the real-time discriminating devices through the cloud platform, the real-time discriminating devices start a real-time discriminating mode according to the commands, the real-time discriminating devices conduct discriminating on audio and video information acquired by the corresponding audio and video acquisition devices, and discriminating results and an IP address with uniqueness are transmitted to the retrieval terminal through the cloud platform. The real-time retrieval system has the remote video monitoring function and the target task real-time retrieval function simultaneously, and active all-region large-range time-difference-free automatic target search can be achieved.
Description
Technical field
The present invention relates to Internet video searching field, particularly relate to a kind of real-time retrieval system and method thereof of video cloud Network Based.
Background technology
Video monitoring system is just becoming more and more universal at industry-by-industry, and the video data that gathers and store increases fast, collects Useful Information and brought huge challenge to user from a large amount of video datas.We can use a large amount of manpower and materials in the past, browsed monitoring with the video data that artificial method has been preserved to each section.Once there is alert event or other accidents, retrieving by the mode of consulting video recording often afterwards, when in the face of massive video data, need to spend a large amount of man power and materials and time.Current video automatically retrieval, also in passive local retrieval phase, only carries out information retrieval to recording the video code flow getting off simultaneously, exists and processes hysteresis problem, can not realize real-time retrieval truly.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of real-time retrieval system and method thereof of video cloud Network Based are provided, there is monitoring remote video and goal task real-time retrieval simultaneously, can realize initiatively region-wide on a large scale without time difference automatic target search.
The technical solution adopted for the present invention to solve the technical problems is: a kind of real-time retrieval system of video cloud Network Based, comprise headend equipment, cloud platform and searching terminal, described headend equipment comprises multiple audio and video acquisition devices and multiple real-time examination device, and it is corresponding one by one that multiple audio and video acquisition devices and multiple real-time examination device are, and the output of audio and video acquisition devices is connected to the input of real-time examination device; Described cloud platform comprises audio-video network transmitting device, control signal network transmission device and storage device; described real-time examination device has first network transport module, described searching terminal has second network transport module, the first network transport module of described real-time examination device is by the audio-video network transmitting device of cloud platform, control signal network transmission device is connected with the second network transport module of described searching terminal, described searching terminal is screened in real time device by the control signal network transmission device of cloud platform to each and is assigned instruction, each is screened in real time device and starts corresponding common monitoring mode or screen in real time pattern according to described instruction, in the time of common monitoring mode, each audio/video information that examination device gathers corresponding audio and video acquisition devices in real time sends the storage device of cloud platform to by the audio-video network transmitting device of cloud platform, in the time of real-time examination pattern, each audio/video information that examination device gathers corresponding audio and video acquisition devices is in real time screened processing, and the ID address of screening result and have a uniqueness is sent to storage device and the searching terminal of cloud platform by the audio-video network transmitting device of cloud platform.
Described real-time examination device, also comprises:
An audio-video interface, is used for connecting corresponding audio and video acquisition devices;
An audio/video coder, is used for original video stream to carry out Video segmentation, automatic digital, and becomes one to meet MPEG-IV normal bit code stream the bit stream complex of VS;
An ID address device, is used for storing the ID address with uniqueness;
A mode discriminator, be used for to audio/video coder numerical data after treatment carry out that camera lens is cut apart, speech recognition, Key Frame Extraction, scene cut apart and the processing of auto-associating search, characteristic similarity tolerance;
A CPU manager, is used for the signal of input to carry out analyzing and processing and export corresponding control signal;
A Flash memory, the CPU application program that is used for storing real-time examination device;
An external memory unit, be used for storage system demand video segment and screen task object instruction;
Wherein, audio-video interface is connected with the input of audio/video coder, the output of audio/video coder is connected with CPU manager, CPU manager is connected with mode discriminator, CPU manager also respectively with Flash memory, ID address device, first network transport module is connected with external memory unit, described CPU manager receives the assignment instructions that searching terminal sends by cloud platform, CPU manager by instruction issuing to mode discriminator, mode discriminator carries out corresponding processing, result is fed back to CPU manager by mode discriminator, CPU manager is uploaded to cloud platform by examination result by first network transport module, and send searching terminal to by cloud platform.
A real-time search method for video cloud Network Based, comprises the steps:
A. searching terminal obtains searched targets;
B. searching terminal sends to each to screen in real time device searched targets and instruction thereof by cloud platform;
C. each real-time device of screening is received after searched targets and instruction thereof, starts real-time examination pattern separately;
D. each is screened in real time device and obtains by audio-video interface separately the image information that the audio and video acquisition devices of the corresponding connection of institute separately gathers respectively;
E. each audio/video coder of screening in real time device carries out respectively the processing of Video segmentation, automatic digital to the original video stream of the image information of obtaining separately, and the mode discriminator that sends result to real-time examination device by the CPU manager of real-time examination device is processed;
F. each mode discriminator of screening in real time device carries out audio/video coder numerical data after treatment separately respectively that camera lens is cut apart, speech recognition, Key Frame Extraction, scene cut apart and the processing of auto-associating search, characteristic similarity tolerance, and examination result feedback after treatment is returned to CPU manager separately;
G. each CPU manager of screening in real time device is uploaded to examination result separately and ID address separately thereof respectively the storage device of cloud platform by first network transport module, meanwhile, is transferred to searching terminal by cloud platform.
Real-time retrieval system and the method thereof of a kind of video cloud Network Based of the present invention, headend equipment comprises multiple audio and video acquisition devices and multiple real-time examination device, audio and video acquisition devices and in real time examination device are not subject to restricted number, but multiple audio and video acquisition devices and multiple real-time examination device are corresponding one by one.Screen in real time device and be provided with two kinds of mode of operations, a kind of common monitoring mode, a kind of examination pattern in real time.In the time that real-time examination device receives examination assignment instructions, automatically start real-time examination pattern until examination task completes and automatically change into common monitoring mode.CPU manager receives the assignment instructions of searching terminal, and by instruction issuing to mode discriminator, mode discriminator feeds back to CPU manager by result after processing, and through CPU manager, examination Result Detail is returned to searching terminal.Mode discriminator adopts High Performance DSP processor, supports plurality of target measuring ability.ID address device is deposited the ID address of real-time examination device, and this address has uniqueness in system, by searching terminal unified distribution management.Flash memory is used for storing real-time examination device CPU application program, and application program can be through network upgrade.The video segment of external memory unit storage system demand and the instruction of examination task object.First network transport module is connected with cloud platform, realizes the Internet Transmission of screening task object instruction and screening result, quick and searching terminal interaction.Screen in real time device examination result and be transferred to current searching terminal, also on cloud platform, have backup clue storehouse, consult for different searching terminal access.Searching terminal comprises intelligent server and display terminal, realize described ID address administration, new access device planning, delivery system is screened task object instruction and is received the examination object information from described real-time examination device, discriminator ID address, target time of occurrence and target snapshot etc. that specifying information comprises target.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention has monitoring remote video and goal task real-time retrieval simultaneously, can realize initiatively region-wide on a large scale without time difference automatic target search;
2, screen in real time device and be provided with ID address device, ID address device has uniqueness in system;
3, management Network Based, does not need to change the physical connection of existing video monitoring system;
4, screen in real time device and be directly connected with audio and video acquisition devices, be connected with searching terminal by network, well solve remote multi-path video real-time retrieval, and guarantee real-time, accuracy, agility, be not subject to network bandwidth factor to affect original video quality.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But real-time retrieval system and the method thereof of a kind of video cloud Network Based of the present invention are not limited to embodiment.
Brief description of the drawings
Fig. 1 is the formation schematic diagram of system of the present invention;
Fig. 2 is the theory diagram of the real-time examination device of system of the present invention.
Embodiment
Embodiment,
Shown in Figure 1, the real-time retrieval system of a kind of video cloud Network Based of the present invention, comprise headend equipment, cloud platform 3 and searching terminal 4, described headend equipment comprises multiple audio and video acquisition devices 1 and multiple real-time examination device 2, and it is corresponding one by one that multiple audio and video acquisition devices 1 and multiple real-time examination device 2 are, and the output of audio and video acquisition devices 1 is connected to the input of real-time examination device 2; Described cloud platform 3 comprises audio-video network transmitting device 31, control signal network transmission device 32 and storage device 33; described real-time examination device 2 has first network transport module 21, described searching terminal 4 has second network transport module 41, the first network transport module 21 of described real-time examination device is by the audio-video network transmitting device 31 of cloud platform, control signal network transmission device 32 is connected with the second network transport module 41 of described searching terminal, described searching terminal 4 is screened in real time device 2 by the control signal network transmission device 32 of cloud platform to each and is assigned instruction, each is screened in real time device 2 and starts corresponding common monitoring mode or screen in real time pattern according to described instruction, in the time of common monitoring mode, each audio/video information that examination device 2 gathers corresponding audio and video acquisition devices 1 in real time sends the storage device 33 of cloud platform to by the audio-video network transmitting device 31 of cloud platform, in the time of real-time examination pattern, each audio/video information that examination device 2 gathers corresponding audio and video acquisition devices 1 is in real time screened processing, and the ID address of screening result and have a uniqueness is sent to storage device 33 and the searching terminal 4 of cloud platform by the audio-video network transmitting device 31 of cloud platform.
Shown in Figure 2, the real-time retrieval system of a kind of video cloud Network Based of the present invention, described real-time examination device, also comprises:
An audio-video interface 22, is used for connecting corresponding audio and video acquisition devices 1;
An audio/video coder 23, is used for original video stream to carry out Video segmentation, automatic digital, and becomes one to meet MPEG-IV normal bit code stream the bit stream complex of VS;
An ID address device 24, is used for storing the ID address with uniqueness;
A mode discriminator 25, be used for to audio/video coder 23 numerical data after treatment carry out that camera lens is cut apart, speech recognition, Key Frame Extraction, scene cut apart and the processing of auto-associating search, characteristic similarity tolerance;
A CPU manager 26, is used for the signal of input to carry out analyzing and processing and export corresponding control signal;
A Flash memory 27, the CPU application program that is used for storing real-time examination device;
An external memory unit 28, be used for storage system demand video segment and screen task object instruction;
Wherein, audio-video interface 22 is connected with the input of audio/video coder 23, the output of audio/video coder 23 is connected with CPU manager 26, CPU manager 26 is connected with mode discriminator 25, CPU manager 26 also respectively with Flash memory 27, ID address device 24, first network transport module 21 is connected with external memory unit 28, described CPU manager 26 receives the assignment instructions that searching terminal 4 sends by cloud platform 3, CPU manager 26 by instruction issuing to mode discriminator 25, mode discriminator 25 carries out corresponding processing, result is fed back to CPU manager 26 by mode discriminator 25, CPU manager 26 is uploaded to cloud platform 3 by examination result by first network transport module 21, and send searching terminal 4 to by cloud platform 3.
The real-time search method of a kind of video cloud Network Based of the present invention, comprises the steps:
A. searching terminal 4 obtains searched targets;
B. searching terminal 4 sends to each to screen in real time device 2 searched targets and instruction thereof by cloud platform 3;
C. each real-time device 2 of screening is received after searched targets and instruction thereof, starts real-time examination pattern separately;
D. each is screened in real time device 2 and obtains by audio-video interface 22 separately the image information that the audio and video acquisition devices 1 of the corresponding connection of institute separately gathers respectively;
E. each audio/video coder 23 of screening in real time device 2 carries out respectively the processing of Video segmentation, automatic digital to the original video stream of the image information of obtaining separately, and the mode discriminator 25 that sends result to real-time examination device by the CPU manager 26 of real-time examination device is processed;
F. each mode discriminator 25 of screening in real time device carries out audio/video coder 23 numerical data after treatment separately respectively that camera lens is cut apart, speech recognition, Key Frame Extraction, scene cut apart and the processing of auto-associating search, characteristic similarity tolerance, and examination result feedback after treatment is returned to CPU manager 26 separately;
G. each CPU manager 26 of screening in real time device is uploaded to examination result separately and ID address separately thereof respectively the storage device 33 of cloud platform by first network transport module 21, meanwhile, is transferred to searching terminal 4 by cloud platform 3.
Real-time retrieval system and the method thereof of a kind of video cloud Network Based of the present invention, headend equipment comprises multiple audio and video acquisition devices 1 and multiple real-time examination device 2, audio and video acquisition devices 1 and in real time examination device 2 are not subject to restricted number, but multiple audio and video acquisition devices 1 and multiple real-time examination device 2 are corresponding one by one.Screen in real time device 2 and be provided with two kinds of mode of operations, a kind of common monitoring mode, a kind of examination pattern in real time.In the time that real-time examination device 2 receives examination assignment instructions, automatically start real-time examination pattern until examination task completes and automatically change into common monitoring mode.CPU manager 26 receives the assignment instructions of searching terminal 4, and by instruction issuing to mode discriminator 25, mode discriminator 25 feeds back to CPU manager 26 by result after processing, and through CPU manager 26, examination Result Detail is returned to searching terminal 4.Mode discriminator 25 adopts High Performance DSP processor, supports plurality of target measuring ability.ID address device 24 is deposited the ID address of real-time examination device, and this address has uniqueness in system, by searching terminal unified distribution management.Flash memory 27 is for storing real-time examination device CPU application program, and application program can be through network upgrade.The video segment of external memory unit 28 storage system demands and the instruction of examination task object.First network transport module 21 is connected with cloud platform 3, realizes the Internet Transmission of screening task object instruction and screening result, quick and searching terminal interaction.Examination device 2 is screened result and is transferred to current searching terminal in real time, also on cloud platform 3, has backup clue storehouse (in storage device), consults for different searching terminal access.4 of searching terminals comprise intelligent server and display terminal, realize described ID address administration, new access device planning, delivery system is screened task object instruction and is received the examination object information from described real-time examination device, discriminator ID address, target time of occurrence and target snapshot etc. that specifying information comprises target.
Real-time retrieval system and the method thereof of a kind of video cloud Network Based of the present invention, in the ordinary course of things, each screens device 2 in real time all in common monitoring mode, in the time that searching terminal 4 obtains searched targets, such as obtaining suspect's face feature, searching terminal 4 is assigned retrieval tasks to each and is screened in real time device 2, screen in real time device 2 and start real-time examination pattern according to the instruction of searching terminal 4, the real-time monitor video in this locality is screened in real time, automatically the original video stream of front end audio and video acquisition devices collection is processed in real time, auto-associating search, thereby target signature similarity measurement obtains suspicious object, after obtaining suspicious object, comparing and determining target through target fine feature.Screen in real time device 2 and find that task object personage occurs, task object is reported to searching terminal 4 at local video segment, the ID address of the real-time examination device that is also found target simultaneously sending, this address has uniqueness in system.Searching terminal 4, according to examination result and the ID address of screening in real time device 2, notifies local law enfrocement official to control target (suspect) nearby, and task completes, and all real-time examination devices 2 recover common monitoring mode.
Above-described embodiment is only used for further illustrating real-time retrieval system and the method thereof of a kind of video cloud Network Based of the present invention; but the present invention is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all fall in the protection range of technical solution of the present invention.
Claims (3)
1. the real-time retrieval system of a video cloud Network Based, it is characterized in that: comprise headend equipment, cloud platform and searching terminal, described headend equipment comprises multiple audio and video acquisition devices and multiple real-time examination device, and it is corresponding one by one that multiple audio and video acquisition devices and multiple real-time examination device are, and the output of audio and video acquisition devices is connected to the input of real-time examination device; Described cloud platform comprises audio-video network transmitting device, control signal network transmission device and storage device; described real-time examination device has first network transport module, described searching terminal has second network transport module, the first network transport module of described real-time examination device is by the audio-video network transmitting device of cloud platform, control signal network transmission device is connected with the second network transport module of described searching terminal, described searching terminal is screened in real time device by the control signal network transmission device of cloud platform to each and is assigned instruction, each is screened in real time device and starts corresponding common monitoring mode or screen in real time pattern according to described instruction, in the time of common monitoring mode, each audio/video information that examination device gathers corresponding audio and video acquisition devices in real time sends the storage device of cloud platform to by the audio-video network transmitting device of cloud platform, in the time of real-time examination pattern, each audio/video information that examination device gathers corresponding audio and video acquisition devices is in real time screened processing, and the ID address of screening result and have a uniqueness is sent to storage device and the searching terminal of cloud platform by the audio-video network transmitting device of cloud platform.
2. the real-time retrieval system of video cloud Network Based according to claim 1, is characterized in that:
Described real-time examination device, also comprises:
An audio-video interface, is used for connecting corresponding audio and video acquisition devices;
An audio/video coder, is used for original video stream to carry out Video segmentation, automatic digital, and becomes one to meet MPEG-IV normal bit code stream the bit stream complex of VS;
An ID address device, is used for storing the ID address with uniqueness;
A mode discriminator, be used for to audio/video coder numerical data after treatment carry out that camera lens is cut apart, speech recognition, Key Frame Extraction, scene cut apart and the processing of auto-associating search, characteristic similarity tolerance;
A CPU manager, is used for the signal of input to carry out analyzing and processing and export corresponding control signal;
A Flash memory, the CPU application program that is used for storing real-time examination device;
An external memory unit, be used for storage system demand video segment and screen task object instruction;
Wherein, audio-video interface is connected with the input of audio/video coder, the output of audio/video coder is connected with CPU manager, CPU manager is connected with mode discriminator, CPU manager also respectively with Flash memory, ID address device, first network transport module is connected with external memory unit, described CPU manager receives the assignment instructions that searching terminal sends by cloud platform, CPU manager by instruction issuing to mode discriminator, mode discriminator carries out corresponding processing, result is fed back to CPU manager by mode discriminator, CPU manager is uploaded to cloud platform by examination result by first network transport module, and send searching terminal to by cloud platform.
3. a real-time search method for video cloud Network Based, is characterized in that: comprise the steps:
A. searching terminal obtains searched targets;
B. searching terminal sends to each to screen in real time device searched targets and instruction thereof by cloud platform;
C. each real-time device of screening is received after searched targets and instruction thereof, starts real-time examination pattern separately;
D. each is screened in real time device and obtains by audio-video interface separately the image information that the audio and video acquisition devices of the corresponding connection of institute separately gathers respectively;
E. each audio/video coder of screening in real time device carries out respectively the processing of Video segmentation, automatic digital to the original video stream of the image information of obtaining separately, and the mode discriminator that sends result to real-time examination device by the CPU manager of real-time examination device is processed;
F. each mode discriminator of screening in real time device carries out audio/video coder numerical data after treatment separately respectively that camera lens is cut apart, speech recognition, Key Frame Extraction, scene cut apart and the processing of auto-associating search, characteristic similarity tolerance, and examination result feedback after treatment is returned to CPU manager separately;
G. each CPU manager of screening in real time device is uploaded to examination result separately and ID address separately thereof respectively the storage device of cloud platform by first network transport module, meanwhile, is transferred to searching terminal by cloud platform.
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| CN105376667A (en) * | 2014-09-02 | 2016-03-02 | 深圳市阿斯盾云科技有限公司 | Earphone possessing camera shooting function and video file transmission system based on cloud platform |
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