CN102752502A - Intelligent camera and intelligent camera shooting method - Google Patents
Intelligent camera and intelligent camera shooting method Download PDFInfo
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- CN102752502A CN102752502A CN201210132462XA CN201210132462A CN102752502A CN 102752502 A CN102752502 A CN 102752502A CN 201210132462X A CN201210132462X A CN 201210132462XA CN 201210132462 A CN201210132462 A CN 201210132462A CN 102752502 A CN102752502 A CN 102752502A
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Abstract
The invention provides an intelligent camera and an intelligent camera shooting method. A cooperative working mode of a dual processor is mainly adopted, therefore the intelligent camera can not only output high definition and/or standard definition video information, but also achieve detection, snap shot and identification of scheduled or unusual conditions, and output corresponding snap shot pictures and identification result information. Simultaneously, the processing speed is greatly improved due to the cooperative work of the dual processor. The intelligent camera and the intelligent camera shooting method can be applied to an intelligent transportation system and a security system, and also can be applied to other fields adopting the intelligent camera.
Description
Technical field
The present invention relates to field of cameras, relate in particular to the high-definition intelligent video camera, for example be used for the high-definition intelligent video camera of intelligent transportation.
Background technology
Along with the continual renovation of science and technology, nowadays increasing intelligent camera has been applied to every field, the high-definition intelligent video camera that for example in intelligent transportation field, adopts, and it is used for intelligent transportation monitoring, pattern recognition, overspeed snapping, security protection etc.Video camera in the past can only be captured or monitor vehicle singlely, and function is not very comprehensive.Nowadays, intelligent camera has become the important component part of Intelligent traffic management systems.Intelligent camera can be realized vehicle snapshot identification, traffic monitoring, monitoring in real time, instantaneous velocity detection, hypervelocity functions such as punishment, vehicle pass-through record in real time, and intelligent camera is applied in the intelligent transportation system more and more.
The function ratio that more existing video cameras have is more single: generally can only capture or monitor, in addition, picture pixel is low, is unfavorable for discerning effectively or monitoring; The camera structure that has is simple, the relative low side of control and treatment chip of use, and the control and treatment chip that for example has uses monolithic processor controlled form, and the Single-chip Controlling precision is not accurate enough, and processing speed is relatively low, can not analyze HD video.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent camera, it can export HD video information, can realize again predetermined or abnormal case are detected, capture and discern.
According to an aspect of the present invention, the present invention provides a kind of intelligent camera, and it comprises: data acquisition module, control treatment module and intelligent analysis module.Wherein, said data acquisition module receives the optical signalling of intelligent camera institute monitored area, and converts thereof into video information; Said control treatment module is handled the video information from said data acquisition module, obtains processed video information; Said intelligent analysis module receives the video information from said data acquisition module; And whether there is predetermined or unusual situation in the detection video information; When detecting when having predetermined or unusual situation, send instruction and capture for said control treatment module, said intelligent analysis module is captured and the picture of capturing is analyzed and discerned simultaneously; Obtain recognition result information, and send resulting recognition result information to control treatment module.Wherein, said control treatment module is exported to Surveillance center with said processed video information, the picture of capturing and by the recognition result information that said intelligent analysis module sends, and is used for the monitor staff and monitors.
According to a further aspect in the invention, the present invention provides a kind of intelligent camera method, and it is used for the situation of institute monitored area is monitored.It comprises: obtain the optical information of institute monitored area, and convert thereof into video information; Digital processing element by embedded Control processing unit in the control treatment module and intelligent analysis module receives said video information, and said embedded Control processing unit is handled said video information, output processed video information; The digital processing element of said intelligent analysis module is handled said video information, and when finding to have predetermined or abnormal conditions, said digital processing element sends instruction and gives the embedded Control processing unit, is captured by the embedded Control processing unit; And said digital processing element is captured simultaneously and the picture of being captured is analyzed, discerned, and generates recognition result information and sends it to embedded Control processing unit; Said embedded Control processing unit sends the recognition result information that the picture and the said digital processing element of said processed video information, its candid photograph sends to Surveillance center.
The high-definition intelligent video camera that intelligent transportation of the present invention is used; Adopt intelligent analysis module and two kinds of module structure combining of control treatment module; Through realizing different functions respectively with two different module, the division of labor is clear and definite, and the operation processing speed of whole intelligent camera is improved greatly; And can handle, calculate video information effectively, thereby improve the performance of whole intelligent camera.In addition, on structural design, compact conformation, data transmission performance is good, and makes things convenient for engineering staff's Installation and Debugging.
Description of drawings
Fig. 1 is the basic circuit diagram of high-definition intelligent video camera of the present invention.
Fig. 2 is the double-core collaborative work block diagram of high-definition intelligent video camera of the present invention.
Fig. 3 is the concrete structure block diagram of high-definition intelligent video camera of the present invention.
Fig. 4 is the concrete structure block diagram of the high-definition intelligent video camera of the first embodiment of the present invention.
Fig. 5 is the concrete structure block diagram of the high-definition intelligent video camera of the second embodiment of the present invention.
Embodiment
Through embodiment the present invention is described in further detail below, but the present invention is not restricted to this.
The present invention provides a kind of intelligent camera, and it can be used for intelligent transportation and security protection, also can be used for other the field that can adopt intelligent camera.Intelligent camera of the present invention mainly is the mode that adopts double-core (being dual processor) collaborative work; Make intelligent camera both can export high definition and/or SD video information; Can realize again predetermined or abnormal case are detected, capture and discern; And corresponding picture and the recognition result information of capturing of output, simultaneously because the double-core collaborative work has improved processing speed largely.
Fig. 1 shows the block diagram of the intelligent camera of the present invention that is connected with a plurality of external equipments.As shown in Figure 1, intelligent camera of the present invention comprises casing 100, data acquisition module 300, power module and external interface module 600, control treatment module 400 and intelligent analysis module 500 etc.Wherein said data acquisition module 300 receives the optical signalling of intelligent camera institute monitored area, and converts thereof into video information.Said control treatment module 400 comprises the embedded Control processing unit, handling from the video information of said data acquisition module 300, obtains processed video information; Said intelligent analysis module 500 comprises digital processing element; Be used to receive video information from said data acquisition module 300; And whether there is predetermined or unusual situation in the detection video information; When detecting when having predetermined or unusual situation, send instruction and capture for the embedded Control processing unit of said control treatment module 400, the digital processing element of said intelligent analysis module 500 is captured and the picture of capturing is analyzed and discerned simultaneously; Obtain recognition result information; Send resulting recognition result information to control treatment module 400 then, said control treatment module 400 is exported to Surveillance center with said processed video information, the picture of capturing and by the recognition result information that said intelligent analysis module 500 sends, and is used for the monitor staff and monitors.In addition; Intelligent camera of the present invention is given each the parts power supply in the intelligent camera and is connected different external equipment as required through power module and external interface module 600, and said power module and external interface module 600 comprise power module and a plurality of external interface.Some external equipments that intelligent camera of the present invention connected have been shown among Fig. 1, for example have been arranged on the computer that is connected with control treatment module 400 respectively 740 and display unit 750 of long-range Surveillance center; Be connected to power supply adaptor 710, light filling lamp 720 and trigger winding 730 on power module and the external interface module 600.
Fig. 2 shows the block diagram of the dual-core architecture in the intelligent camera of the present invention.
As shown in Figure 2; Said control treatment module 400 comprises embedded Control processing unit 410 and output unit 460; Said embedded Control processing unit 410 comprises processing unit 4101 and captures unit 4102; Wherein said processing unit 410 is used for the video information from data acquisition unit 300 is carried out format conversion, and the video information after the format conversion is carried out encoding and decoding, generates processed video information; Said candid photograph unit 4102 is used for according to capturing from the instruction of intelligent analysis module 500.
In addition; As shown in Figure 2; Said intelligent analysis module 500 comprises digital processing element 510; Said digital processing element 510 comprises processing unit 5101, detecting unit 5102, captures unit 5103 and recognition unit 5104, and wherein, said processing unit 5101 is used for the video information from said data acquisition unit 300 is carried out format conversion; Whether the video information that said detecting unit 5102 is used for detecting after the format conversion exists predetermined or unusual situation; When finding predetermined or unusual situation; Send instruction and capture for the candid photograph unit 4102 of embedded Control processing unit 410, and send instruction simultaneously and capture for the candid photograph unit 5103 of digital processing element 510; The candid photograph unit 4102 of said embedded Control processing unit 410 and the candid photograph unit 5103 of said digital processing element 510 are captured according to the instruction of detecting unit 5102; Said recognition unit 5104 is used for the picture that the candid photograph unit 5103 of said digital processing element 510 is captured is analyzed, discerned; And recognition result information sent to the processing unit 4101 of embedded Control processing unit 410; Send processed video information, recognition result information to output unit 460 by processing unit 4101, the candid photograph unit 4102 of embedded Control processing unit 410 also sends the picture of being captured to output unit 460 simultaneously.
Alternatively; In Fig. 2; 4102 pictures of capturing in the candid photograph unit of wherein said embedded Control processing unit 410 also can send processing unit 4101 to, by processing unit with processed video information, candid photograph to picture, recognition result information send output unit 460 together to.
Alternatively; Also memory cell can be set in the embedded Control processing unit 410 of Fig. 2; 4102 pictures of capturing in candid photograph unit of the processing unit 4101 processed video information of said embedded Control processing unit 410, said embedded Control processing unit 410 and can be sent to memory cell from the recognition unit 5104 resulting recognition result information of said digital processing element 510 are sent to output unit 460 by memory cell then.
In addition, only provide a kind of dividing mode of module among Fig. 2, in fact; According to circumstances; The Module Division form that other form can also be arranged for example, can be combined the different units in the same module unit of formation or a unit is split into a plurality of unit.In addition, also can increase the new unit of accomplishing new function.
Fig. 3 shows the structure block diagram of high-definition intelligent video camera of the present invention.
As shown in Figure 3, said data acquisition module 300 is used to receive the optical signalling of intelligent camera institute monitored area, and converts thereof into video information.Said data acquisition module 300 can comprise camera lens 200, CCD or CMOS sensitive chip unit 310 and vision signal converting unit 320.
Said camera lens 200 is arranged on the casing 100; Be used to catch the image in the zone that high-definition intelligent video camera of the present invention need monitor, i.e. optical signalling, it can be equipped with aperture automatic control unit 210; So that camera lens 200 can automatically be regulated the size of aperture according to different light intensities; Thereby guarantee the higher-quality image of output, in addition, the said aperture automatic control unit 210 on the camera lens 200 can also have automatic focusing function; Like this can according to the image that will catch automatically regulate the focal length of camera lens apart from distance etc., thereby further improve the quality of the image of taking.
Said CCD or CMOS sensitive chip unit 310 can use CCD or CMOS photoreceptor to realize that it will be converted into digital signal from the optical signalling of camera lens 200.CCD in said CCD or the CMOS sensitive chip unit 310 or the pixel count of CMOS are many more, and its screen resolution that provides is also just high more.
Said vision signal converting unit 320 can adopt the AFE keyset to realize.The digital signal of said CCD or 310 outputs of CMOS sensitive chip unit converts original video information into through vision signal converting unit 320, for example the video information of RAW form.In addition, said vision signal converting unit 320 can also according to circumstances and further realize original video information conversion is adopted into the function of spendable video information, for example the video information of RAW form is converted to the video information of yuv format.
In addition, before CCD or CMOS sensitive chip unit 310, switch can also be installed, simultaneously, switch control unit 330 be set in data acquisition module 300.This switch control unit 330 is used to control switch 340, so that control data acquisition module 300 uses in the daytime module or Night to carry out work.Said switch 340 for example can be a sheet glass, and it can adjust the power of the light that gets into CCD or CMOS sensitive chip unit 310.
400 pairs of video informations from said data acquisition module 300 of said control treatment module are handled, and obtain processed video information.When the video information of said data acquisition module 300 outputs is original video information; The processing that said control treatment module 400 is carried out comprises: original video information is carried out format conversion; And the video information after the format conversion carried out encoding and decoding to be used to export to long-range Surveillance center; For example; Control treatment module 400 converts the video information of RAW form the video information of yuv format to, then the video information of yuv format is carried out encoding and decoding and is formed HD video information and/or SD video information.During video information after the video information of said data acquisition module 300 outputs is format conversion, the processing that said control treatment module 400 is carried out comprises carries out encoding and decoding with the video information from data acquisition module 300.
Said control treatment module 400 can comprise embedded Control processing unit 410 and output unit.Said embedded Control processing unit 410 can carry out format conversion with the video information from data acquisition module 300, then the video information after the format conversion is carried out encoding and decoding, for example with H.264 carrying out encoding and decoding.At this moment, can as required the processed video information encoding-decoding be generated one road HD video, perhaps encoding and decoding generate two-path video information, i.e. one road HD video, and the clear video of a road sign carries out display monitoring to adapt to by the different device of Surveillance center.Through said embedded Control processing unit 410 above-mentioned processed video information, promptly HD video and/or SD video are exported to Surveillance center through output unit.Said output unit can comprise Ethernet control unit 461 and/or video output unit 462 etc.
Said Ethernet control unit 461 is used for carrying out message transmission between said control treatment module 400 and the Surveillance center, and it is sent to Surveillance center with said HD video information and recognition result information.For example, said Ethernet control unit 461 is connected with the computer 740 of Surveillance center through Ethernet interface 516, will be transferred to computer 740 from the picture that the recognition result information and the control treatment module 400 of intelligent analysis module 500 are captured.Alternatively, Ethernet control unit 461 here and Ethernet interface 516 also can form a device, promptly have the Ethernet unit of Ethernet interface.
Said video output unit 462 is used for carrying out message transmission between said control treatment module 400 and the Surveillance center, and it is sent to Surveillance center with said SD video information.(bnc interface for example: the thin coaxial cable interface) 517 are connected with the display unit 750 of Surveillance center through cable for example said video output unit 462, give display unit 750 with said SD video transmission through the video drive interface.Alternatively, video output unit 462 here and video drive interface 517 also can form a device, promptly have the video output unit of video drive interface.
In addition, said control treatment module 400 can comprise internal memory 464, program storage 430, data storage 440 and logic control element 420 etc.After getting into control treatment module 400, send embedded Control processing unit 410 and logic control element 420 from the video information of data acquisition module 300 simultaneously to.Said logic control element 420 is used to carry out logic control, for example data is changed, whether is transmitted data, data are sent to which parts and which type of form to carry out data transmission or the like with.Said program storage 430 is used for storing the required algorithm of digital processing element 510 of start-up routine and the intelligent analysis module 500 of embedded Control processing unit 410.Said data storage 440 is used for when network is obstructed, the digital processing element 510 of intelligent analysis module 500 being analyzed the picture of discerning resulting recognition result information and control treatment module 400 candid photographs and stores.Said internal memory 464 is used for when embedded Control processing unit 410 is handled, data being carried out buffer memory.
In addition, in control treatment module 400, can also be provided for for embedded Control processing unit 410 provide work clock 467, the display power supply of clock whether connect and program whether normally one or more indicator lights 466 of operation etc., be used for increasing the bus driver ability bus driver 450, be used for the digital processing element of debugging control processing module 400 embedded Control processing units and intelligent analysis module debugging interface 514 (for example RS232 interface), be used for the RTC clock unit 463 that work to control treatment module 400 provides current fiducial time.Said debugging interface 514 connects outside debug machine, so that through the debug machine of outside embedded Control processing unit 410 and digital processing element 510 are debugged.In addition, when on the camera lens 200 aperture automatic control unit 210 being installed, in control treatment module 400, aperture driving control unit 520 need be set, be used for the aperture automatic control unit 210 on the camera lens 200 is controlled.In addition, when the bigger quantity data of needs storages, a CF card 515 can be set in addition on control treatment module 400, it can be stored than data storage 440 large-capacity data more.In addition, on control treatment module 400, can also be provided with and see doorway circuit 465, this sees that whether normally doorway circuit 465 is used for monitoring facilities operation.
Said intelligent analysis module 500 and control treatment module 400 are connected through control bus, and it comprises digital processing element 510.Said digital processing element 510 can select through control treatment module 400 logic control element 420 receiver, video information, or receive video information after embedded Control processing unit 410 carries out format conversion, or directly from data acquisition module 300 receiver, video information.Wherein can be so that control treatment module 400 keeps synchronous working better with intelligent analysis module 500 from data acquisition module 300 receiver, video information.
Behind the original video information that the digital processing element 510 of intelligent analysis module 500 receives from said data acquisition unit; At first it is handled; For example carry out format conversion (for example the video information of RAW form being converted to the video information of yuv format); Detect in the video information after the format conversion whether have predetermined or unusual situation then, when finding predetermined or unusual situation, send instruction and capture for embedded Control processing unit 410; 510 pairs of this digital processing elements should be predetermined simultaneously or unusual situation is captured, and the picture of capturing is analyzed, discerned, and generates recognition result information and sends it to said embedded Control processing unit 410.
Loading through the program storage in the control treatment module 400 430 then analyzes, discerns for its algorithm to the processed video signal; Obtain video analysis recognition result information, and send video analysis recognition result information the embedded Control processing unit 410 of control treatment module 400 to through control bus.
Said intelligent analysis module 500 can comprise internal memory 511, is used for that digital processing element is carried out the data that processing procedure produces and carries out buffer memory.
In addition, on intelligent analysis module 500, can also be provided with: be used for display routine whether normally one or more indicator lights of whether connecting of operation and display power supply, be used to the work clock 512 that digital processing element 510 provides clock.
In addition; Consider the convenience that the space of control treatment module 400 is limited and install, can for example debugging interface 514, aperture driving control unit 520, Ethernet interface 516, video drive interface 517 and CF card 515 be arranged on the intelligent analysis module 500 with some interfaces.
Said power supply and external interface module 600 are each module for power supply of intelligent camera, and provide intelligent camera to connect some interfaces of external equipment.
Said power supply and external interface module 600 can comprise logic control element 610 and PMU 620 and as required and some interfaces that are provided with.Said logic control element 610 is used to carry out logic control.Said PMU is used for the power supply that inputs to it is changed; With the needed power supply of different parts operate as normal in other modules of converting the high-definition intelligent video camera to and the module; Therefore PMU 620 all links to each other with each parts; In order to make clarity, the annexation between not shown in the drawings PMU 620 and other parts.When said power supply is connected external power source with external interface module 600 through power supply adaptor 710; In said power supply and external interface module 600, power input interface 611 is set, makes external power source transfer to PMU 620 through power input interface 611; When power supply and external interface module 600 during through POE; In said power supply and external interface module 600, POE unit 670 is set, the POE unit 670 that makes the external power source warp be connected with Ethernet interface 516 transfers to PMU 620.
In addition; Power supply and external interface module 600 comprise as required and some interfaces of being provided with that said interface can comprise: light filling lamp output interface 621, coil input interface 631, communication unit 650, logic control element 610, main control singlechip 660, single-chip microcomputer etc. tests the speed.Wherein, light filling lamp output interface 621 is used to connect light filling lamp 720, and coil input interface 631 is used to connect trigger winding 730.Said light filling lamp 720 can be photoflash lamp or LED lamp.
When the high-definition intelligent video camera of using when intelligent transportation of the present invention needs the speed of monitor vehicle; Can the coil input interface 631 in power supply and the external interface module 600 be connected in one group of outside (being generally two) trigger winding; Like this; When vehicle from said one group of trigger winding through out-of-date; Said triggering signal is sent to the single-chip microcomputer 640 that tests the speed through coil input interface 631, by the speed that the single-chip microcomputer 640 that tests the speed is measured through the vehicle of trigger winding, by the single-chip microcomputer that tests the speed velocity information is sent to the digital processing element 510 of intelligent analysis module 500 then.When needs are captured every vehicle; Digital processing element 510 sends instruction and gives main control singlechip 660; Make public when light filling lamp output interface 621 is controlled the light filling lamps at insufficient light by main control singlechip 660, and digital processing element 510 transmission instructions capture for the embedded Control processing unit 410 of control treatment module 400, digital processing element is also captured simultaneously.When only the vehicle of hypervelocity being captured, digital processing element 510 judges whether the speed of vehicle exceeds the speed limit, and when judging overspeed of vehicle, distinguishes move instruction again and gives main control singlechip 660 and embedded Control processing unit 410.Wherein, the main control singlechip 660 and the single-chip microcomputer that tests the speed also can be realized the function of the two by a single-chip microcomputer.
When not testing the speed and need monitor passing vehicle the time, the triggering signal that trigger winding is produced directly is sent to the digital processing element 510 of intelligent analysis module 500 through line chart input interface 631 to vehicle.At this moment digital processing element 510 can according to triggering signal respectively move instruction capture, discern for main control singlechip 660 and embedded Control processing unit.For example, such high-definition intelligent video camera can be set, so that each vehicle through high speed charge station is carried out monitoring record in high speed charge station.
In addition; In power supply and external interface module 600, buffer circuit 630 can also be set, make from the signal of outside input (for example through light filling lamp output interface 621 with coil input interface 631 and the signal of input) and each circuit of power supply and external interface module 600 inside between isolate.As shown in Figure 3, the signals that get into power supply and external interface module 600 inside from light filling lamp output interface 621 with coil input interface 631 are sent to logic control element 610 respectively through buffer circuit 630.The internal part that being provided with of buffer circuit 630 can prevent in power supply and the external interface module (for example logic control element 610, master control single-chip microcomputer 660, single-chip microcomputer 640 tests the speed) because of external signal suffers damage, is avoided interfering with each other.
In addition; In power supply and external interface module 600, communication unit can also be set; This communication unit can be realized that this communication unit is connected with another outside computer 760, can understand the work running status of each parts of high-definition intelligent video camera in real time by RS485 interface or RS232 interface.
More than about the division of each module, be a kind of possible dividing mode, those skilled in the art can adopt other dividing mode as required, for example, can power supply and external interface module be divided into power module and two modules of external interface module.
In the situation about describing in the above; To the triggering mode of the monitoring of the object (for example vehicle) that moves of institute monitored area mainly is to be the explanation that example is carried out to adopt trigger winding; This triggering mode is more stable, but in reality, needs to destroy the road surface, so troublesome poeration.In fact, triggering mode also can adopt other mode, and for example, through the mode of video, the zone of promptly drawing gets into and should just trigger during the zone as vehicle and people, and this mode cost is low, but mainly realizes through software, so easy for installation; Can also adopt the mode of radar to trigger in addition, this triggering mode calculates accurately, and cost is high.
In the actual production of high-definition intelligent video camera of the present invention; Can each module be separately positioned on three circuit boards; Promptly; Data acquisition module and control treatment module are arranged on the circuit board, and intelligent analysis module is arranged on the circuit board, and power supply and external interface module are arranged on the circuit board.
In addition; When intelligent analysis module 500 is found to have abnormal conditions; Can send alarm command to control treatment module 400; By display unit and/or the computer that control treatment module 400 is sent to Surveillance center with warning message with the picture and the recognition result information of candid photograph, remind the monitor staff to note.
Because high-definition intelligent video camera of the present invention has adopted structural design closely, so the heat dispersion of video camera is had relatively high expectations.Therefore; Above the embedded Control processing unit of control treatment module and the digital processing element of intelligent analysis module above fin can be installed respectively; The heat that is produced is in time discharged outside the casing of high-definition intelligent video camera, to reach better heat radiating effect.
High-definition intelligent video camera of the present invention; In the processing of video information; Adopted the mode of intelligent analysis module and two module cooperative work of control treatment module; Make in an intelligent camera, to comprise two modules simultaneously, thereby just the situation of institute monitored area has been carried out analysis, processing before the Surveillance center exporting to, and do not resemble some intelligent cameras of prior art detecting, analyze, discern the institute monitored area through miscellaneous equipment again after the output video information or after passing to Surveillance center whether storing abnormal conditions; Particularly; Said control treatment module is controlled as primary processor, and intelligent analysis module is mainly accomplished analytic function as coprocessor, compares with the video camera that only adopts a process chip of prior art; Can be implemented in the multiple function that can not realize simultaneously on the process chip; And the digital processing element of intelligent analysis module is to have the special stone module of doing intellectual analysis aspect Processing Algorithm, the intellectual analysis, and it is fast to handle computational speed, improves the ability of identifying information; The chip of the stone unit of a lot of Video processing that the embedded Control processing unit of control treatment module is integrated; Improved speed and the ability of handling video information widely, therefore, high-definition intelligent camera processes speed of the present invention is quicker; Processing Structure is more accurate, disturbs very little.
In addition, when can exporting the video information of high definition, intelligent camera of the present invention can also discern, thus the function that the quality and can realizing of utilizing the present invention can improve the video information of output is monitored.
Pass through specific embodiment below to further explain of the present invention.
Embodiment one
In this embodiment, whether the high-definition intelligent video camera used of intelligent transportation of the present invention is used to monitor the road surface and exists unusually.
The high-definition intelligent video camera that intelligent transportation among this embodiment one is used; As shown in Figure 4, comprising: casing 100 be arranged on casing 100 in band automatic focusing device 210 camera lens 200, data acquisition module 300, control treatment module 400, intelligent analysis module 500, for each parts power supply in the casing 100 and power supply and the external interface module 600 that is connected external equipment is provided.In this embodiment one, camera lens 200 is separated from data acquisition module 300 as independent parts, promptly the two is equivalent to foregoing data acquisition module 300 to the camera lens 200 among the embodiment one with data acquisition module 300.
Said data acquisition module 300 comprises CCD/CMOS photoreceptor 310, AFE interface 320, is arranged on the switch 340 of CCD/CMOS photoreceptor 310 fronts and the switch control unit 330 of control switch 340.
Said control treatment module 400 comprises embedded Control processing unit 410; Internal memory 464; Program storage 430; Data storage 440; With logic control element 420; The Ethernet control unit 461 that has Ethernet interface; The video output unit 462 that has bnc interface; Bus driver 450; See doorway circuit 465; Whether display power supply connects the one or more indicator lights 466 that whether normally move with program; The work clock 467 of clock is provided for embedded Control processing unit 410; Aperture driving control unit 520; And the monitoring facilities normal RTC clock unit 463 of operation etc. whether.
Said intelligent analysis module 500 is connected through the HPI bus with control treatment module 400.Said intelligent analysis module 500 comprises digital processing element 510, internal memory 511, is that digital processing element 510 provides one or more indicator lights 513 that whether work clock 512, the display power supply of clock are connected and whether program is normally moved.
In addition, also be provided with the debugging interface 514 that the digital processing element 510 of embedded Control processing unit of control treatment module 400 410 and intelligent analysis module 500 is debugged.
Consider the convenience that space on the control treatment module 400 is limited and install; Can debugging interface 514 be arranged on the intelligent analysis module 500; In addition, aperture driving control unit 520, Ethernet control unit 461 and video output unit 462 also have been arranged on the intelligent analysis module 500.
In addition, the digital processing element 510 in embedded Control processing unit in the said control treatment module 400 410 and the intelligent analysis module 500 can use DSP (Digital Signal Processor, the digital signal processor) chip that is integrated with ARM nuclear.
Owing in present embodiment one, adopt external power source, so be provided with the power input interface 611 that is connected with power supply adaptor 710 in power supply and the external interface module 600.Also comprise light filling lamp input interface 621, buffer circuit 630, logic control element 610, main control singlechip 660, RS485 communication unit 650 and PMU 620 in power supply and the external interface module 600 in addition.Wherein light filling lamp input interface 621 is connected with outside light filling lamp 720.
In high-definition intelligent video camera shown in Figure 4, control treatment module 400 can generate two kinds of videos, and a kind of is HD video, and it sends the computer 740 of Surveillance center to through Ethernet control unit 461; A kind of is the SD video, and it sends the display unit 750 of Surveillance center to through video output unit 462.
Annexation between above-mentioned each parts is for as above with reference to the described annexation of Fig. 3.Whether the road surface of how to monitor the institute monitored area in the face of high-definition intelligent video camera shown in Figure 4 down exists unusual groundwork process to describe.
CCD in the data acquisition module 300 or CMOS photoreceptor 310 convert the optical signalling that camera lens 200 captures to digital signal, become original vision signal through the AFE interface conversion then, i.e. the video information of RAW form.Switch control unit 330 is used to control switch 340 and carries out the switching between two kinds of mode of operations of day and night.
The video information of said RAW form sends control treatment module 400 and intelligent analysis module 500 simultaneously respectively to.After the video information of said RAW form gets into control treatment module 400, send embedded Control processing unit 410 and logic control element 420 respectively to.The embedded Control processing unit 410 of control treatment module 400 converts the video information of RAW form to the video information of yuv format; And the video information of yuv format is carried out encoding and decoding with code encoding/decoding mode H.264, obtain one road HD video information and the clear video information of a road sign respectively.Wherein the HD video information computer 740 that sends long-range Surveillance center to through network through Ethernet control unit 461 is preserved or is shown, monitors for the monitor staff; The SD video information sends the display unit 750 of remote monitoring center to through video output unit 462, supplies the monitor staff to monitor.Since the SD video information take up space little, transmission speed is fast; And some monitoring place only is provided with the display unit 750 that shows the SD video information, so can be through the SD video information is transferred to the display unit 750 of Surveillance center through video output unit 462.Containing much information of HD video information need be transmitted through the network to the computer 740 of Surveillance center.When having two kinds of video informations, which video the monitor staff can select to use monitor according to different demands.
The RAW format video information that 510 pairs of data acquisition modules 300 of the digital processing element of said intelligent analysis module 500 obtain is handled; Be converted into the video information of yuv format; Video information to yuv format detects, analyzes, discerns then, detects the road surface and whether has abnormal conditions.There are not abnormal conditions if detect, then proceed to detect; There are abnormal conditions if detect, then instruct to embedded Control processing unit 410 transmissions of main control singlechip 660 and control treatment module 400 respectively simultaneously.Main control singlechip 660 receives 720 exposures of instruction back control photoflash lamp, and control treatment module 400 is then captured after receiving instruction, and the digital processing element 510 of intelligent analysis module 500 is also captured simultaneously.Because intelligent analysis module 500 and control treatment module 400 synchronous operations; When control treatment module 400 is captured; The digital processing element 510 of intelligent analysis module 500 is also captured; Then the picture of capturing is analyzed, discerned through recognizer; To confirm that there are recognition result information such as vehicle information such as which type of abnormal conditions, license board information, vehicle model, violation information, binary picture or YUV figure in the road surface; Send recognition result information the embedded Control processing unit 410 of control treatment module 400 to through the HPI bus then, the picture that will be captured by embedded Control processing unit 410 and recognition result message transmission are to computer 740 and display unit 750 demonstrations and the preservation of Surveillance center.For example, when the monitor staff finds that there is retentate in the road surface from the information that the high-definition intelligent video camera sends, then send the staff to go to this place to remove immediately.When the monitor staff found to have vehicle to pass through warning line, then the license plate number to this vehicle write down and opens penalty note etc.
Embodiment two
In this embodiment, whether the high-definition intelligent video camera used of intelligent transportation of the present invention is used for monitoring vehicle and exceeds the speed limit.
This embodiment two is with the difference of implementing one, in power supply and external interface module 600, also is provided with the coil input interface 631 that tests the speed single-chip microcomputer 640 and link to each other with the velocity coils 730 of outside that links to each other with the digital processing element 510 of intelligent analysis module 500.Concrete annexation is with reference to top about the described annexation of Fig. 3.In this embodiment two, and implement an identical part, just no longer repeat specification here.
With reference to the accompanying drawings 5 specifically introduce this embodiment the course of work that whether exceeds the speed limit of the high-definition intelligent video camera monitor vehicle used of intelligent transportation.
As shown in Figure 5, CCD in the data acquisition module 300 or CMOS photoreceptor 310 convert the optical signalling that camera lens 200 captures to digital signal, convert original video information to through vision signal converting unit 320 then, for example, and the video information of RAW form.Switch control unit 330 be used to control switch 340 so that data acquisition module 300 by day and the switching between night two kinds of mode of operations.
Be transferred into the embedded Control processing unit 410 and logic control element 420 of control treatment module 400 from the video information of the RAW form of data acquisition module 300.Embedded Control processing unit 410 converts the video information of RAW form the video information of yuv format to, and with code encoding/decoding mode H.264 the video information of yuv format is carried out encoding and decoding, obtains one road HD video information and the clear video information of a road sign respectively.Wherein HD video information preserves or shows for the computer 750 of long-range Surveillance center through Ethernet control unit 461 through Network Transmission, monitors for the monitor staff; The SD video information is connected in the display unit 740 of remote monitoring center through video output unit 462, supplies the monitor staff to monitor.
When vehicle process velocity coils 730; Velocity coils 730 produces triggering signal; The triggering signal of this generation coils input interface 631, buffer circuit 630, logic control element 610 successively is sent to the single-chip microcomputer 640 that tests the speed, and is calculated by the speed of the 640 pairs of vehicles of single-chip microcomputer that test the speed.The single-chip microcomputer 640 that tests the speed sends measured speed information to the digital processing element 510 of intelligent analysis module 500.The velocity coils 730 here can adopt foregoing any type of triggering mode, for example can be formed by two trigger windings.
The digital processing element 510 of intelligent analysis module 500 receives the information from the single-chip microcomputer 640 that tests the speed; Judge whether said vehicle exceeds the speed limit; When being judged to be hypervelocity, send instruction sends control treatment module 400 to main control singlechip 660 with through the HPI bus embedded Control processing unit respectively.Main control singlechip 660 receives from control photoflash lamp 720 after the instruction of digital processing element 510 and makes public, and control treatment module 400 is captured after the instruction that receives from digital processing element 510 simultaneously.Because intelligent analysis module 500 and control treatment module 400 synchronous operations are also captured.The digital processing element 510 of intelligent analysis module 500 is analyzed, is discerned this video information through recognizer wherein then; With recognition result information such as vehicle information such as the license board information that identifies over-speed vehicles, vehicle model and violation information; Send recognition result information to control treatment module 400 through the HPI bus then, pass through the computer 740 and display unit 740 of Network Transmission to Surveillance center by picture and recognition result information that control treatment module 400 will be captured.
Embodiment three
Present embodiment is the combination of embodiment one and embodiment two.In this embodiment, the high-definition intelligent video camera that intelligent transportation of the present invention is used both can have been realized the monitoring to the pavement behavior of institute monitored area, also can realize the monitoring through the speed of a motor vehicle of the vehicle of institute monitored area.
Embodiment four
In this embodiment, the high-definition intelligent video camera that intelligent transportation of the present invention is used is used for the pavement behavior of institute monitored area is monitored, and to the vehicle of process capture and catch its information of vehicles.
This embodiment four is with the difference of embodiment one, in power supply and external interface module 600, coil input interface 631 is set.This coil input interface 631 is used to connect outside trigger winding 730, the triggering signal of trigger winding 730 generations is sent to successively the digital processing element 510 of intelligent analysis module 500 through buffer circuit 630, logic control element 610.Here trigger winding 730 can only adopt one.Other is identical with embodiment one, and the part identical with embodiment one just no longer is repeated in this description here.
After digital processing element 510 received the triggering signal from trigger winding, digital processing element 510 just sent instruction simultaneously respectively and gives main control singlechip 660 and control treatment module 400.Main control singlechip 660 receives from control photoflash lamp 720 after the instruction of digital processing element 510 and makes public; Control treatment module 400 is then captured after the instruction that receives from digital processing element 510 simultaneously; Intelligent analysis module 500 and control treatment module 400 synchronous operations are also captured.And digital processing element 510 is analyzed, is discerned the corresponding information of vehicles in the picture of being captured through recognizer wherein; With recognition result information such as vehicle information such as the license board information that identifies vehicle, vehicle models; Send recognition result information to control treatment module 400 through the HPI bus then, the picture that will be captured by control treatment module 400 and recognition result message transmission are to the computer 740 and display unit 740 of Surveillance center.
The high-definition intelligent video camera of this embodiment more is applicable to and is arranged on place, expressway charge station, each is all captured through the vehicle at expressway charge station.
In a word, utilize high-definition intelligent video camera of the present invention can connect different external equipment as required and different recognizers be installed, thereby can realize such as function, for example:
1) real time monitoring traffic, pavement behavior; Whether whether whether for example whether monitoring has that people or vehicle pass through warning line, whether the road surface is left over or be detained has object, has people or vehicle to cross over zone, road surface to have object on abnormal behaviour (for example whether having people or vehicle to pace up and down), the road surface to shift out etc., and these situation are reported to the police;
2) some images are captured, and number plate of vehicle is discerned;
3) speed measuring function.
The high-definition intelligent video camera that intelligent transportation of the present invention is used; Adopt intelligent analysis module and two kinds of module structure combining of control treatment module; Through realizing different functions respectively with two different module, the division of labor is clear and definite, and the operation processing speed of whole intelligent camera is improved greatly; And can handle, calculate video information effectively, thereby improve the performance of whole intelligent camera.On structural design, high-definition intelligent camera structure of the present invention is compact, and between plate and the plate, is connected closely between module and the module, data transmission performance is good, and makes things convenient for engineering staff's Installation and Debugging.
Although described the present invention in conjunction with the specific embodiments, be not to be defined in particular form described herein.But scope of the present invention is only limited the accompanying Claim book.In claim, term " comprises " does not get rid of other parts of existence or step.In addition, although each characteristic can be included in the different claims, these characteristics can advantageously be made up, and the content that in different claims, comprises does not mean that combination of features is infeasible and/or disadvantageous.In addition, single implication is not got rid of a plurality of.Therefore, " one ", etc. implication do not get rid of a plurality of.In addition, the Reference numeral in the claim should not be interpreted as the restriction to protection scope of the present invention.
The above only is an embodiment of the present invention; Should be noted that; For the person of ordinary skill of the art; Under the prerequisite that does not break away from spirit of the present invention, can make some improvement, modification and distortion, these improve, revise and distortion all should be regarded as dropping in the application's the protection range.
Claims (14)
1. an intelligent camera is characterized in that, comprising:
Data acquisition module, control treatment module and intelligent analysis module, wherein,
Said data acquisition module receives the optical signalling of institute monitored area, and converts thereof into video information;
Said control treatment module is handled the video information from said data acquisition module, obtains processed video information;
Said intelligent analysis module receives the video information from said data acquisition module; And whether there is predetermined or unusual situation in the detection video information; When detecting when having predetermined or unusual situation, send instruction and capture for said control treatment module, said intelligent analysis module is captured and the picture of capturing is analyzed and discerned simultaneously; Obtain recognition result information, and send resulting recognition result information to control treatment module; Wherein,
Said control treatment module is exported to Surveillance center with said processed video information, the picture of capturing and by the recognition result information that said intelligent analysis module sends, and is used for the monitor staff and monitors.
2. intelligent camera according to claim 1 is characterized in that,
Said control treatment module comprises: embedded Control processing unit and output unit, wherein,
Said embedded Control processing unit is used for the video information from data acquisition unit is carried out format conversion, and the video information after the format conversion is carried out encoding and decoding, generates processed video information; And the instruction that receives intelligent analysis module is captured;
Said output unit is used for processed video information, the picture of being captured that said embedded Control processing unit is generated and the recognition result information that intelligent analysis module generated sends Surveillance center to.
3. intelligent camera according to claim 2 is characterized in that,
Said embedded Control processing unit comprises processing unit and candid photograph unit,
Said processing unit is used for the video information from data acquisition unit is carried out format conversion, and the video information after the format conversion is carried out encoding and decoding, generates processed video information;
Said candid photograph unit is used for according to capturing from the instruction of intelligent analysis module.
4. according to any one described intelligent camera among the claim 1-3, it is characterized in that,
The processed video information that said control treatment module generates comprises one road HD video information;
Said output unit comprises the Ethernet control unit, and wherein said Ethernet control unit is used for carrying out between said control treatment module and the Surveillance center message transmission, and it is sent to Surveillance center with said HD video information and recognition result information.
5. intelligent camera according to claim 4 is characterized in that,
The processed video information that said control treatment module generates also comprises the clear video information of a road sign;
Said output unit also comprises video output unit, and said video output unit is sent to Surveillance center with said SD video information.
6. intelligent camera according to claim 1 is characterized in that,
Said intelligent analysis module comprises digital processing element,
Said digital processing element receives the video information from said data acquisition unit; It is carried out format conversion; And whether there is predetermined or unusual situation in the video information after the detection format conversion; When finding predetermined or unusual situation, send instruction and capture for the embedded Control processing unit; Simultaneously this digital processing element to this predetermined or unusual situation capture, and the video information of capturing is analyzed, is discerned, generate recognition result information and send it to said embedded Control processing unit.
7. intelligent camera according to claim 6 is characterized in that,
Said digital processing element comprises processing unit, detecting unit, candid photograph unit and recognition unit, wherein,
Said processing unit is used for the video information from said data acquisition unit is carried out format conversion;
Whether the video information that said detecting unit is used for detecting after the format conversion exists predetermined or unusual situation; When finding predetermined or unusual situation; Send instruction and capture for the candid photograph unit of embedded Control processing unit, and send instruction and capture for the candid photograph unit of digital processing element;
Said candid photograph unit is used for capturing according to the instruction of detecting unit;
Said recognition unit is used for the picture that said candid photograph unit is captured is analyzed, discerned, and sends recognition result information to control treatment module.
8. according to claim 6 or 7 described intelligent cameras, it is characterized in that, also comprise:
The light filling lamp;
The Single-chip Controlling unit, it comprises main control singlechip; Wherein,
The digital processing element of said intelligent analysis module sends instruction and gives said main control singlechip finding predetermined or abnormal case when occurring, and controls said light filling lamp exposure by said main control singlechip.
9. intelligent camera according to claim 8 is characterized in that, also comprises:
Said Single-chip Controlling unit also comprises the single-chip microcomputer that tests the speed, wherein,
The said single-chip microcomputer that the tests the speed triggering signal that the trigger winding in the monitored area produces based on being arranged at obtains the speed of a motor vehicle of vehicle, and sends the speed of a motor vehicle of vehicle the digital processing element of intelligent analysis module to;
Said digital processing element judges whether the speed of a motor vehicle of said vehicle exceeds the speed limit, if the hypervelocity of being judged as is sent instruction and given main control singlechip with the exposure of control light filling lamp, and sends instruction and capture for said embedded Control processing unit; Said digital processing element is captured and the picture of being captured is analyzed, discerned simultaneously, generates recognition result information, and the recognition result information that is generated is sent to said embedded Control processing unit.
10. intelligent camera according to claim 1 is characterized in that, also comprises:
Said intelligent analysis module and control treatment module be simultaneously respectively from data acquisition module receiver, video information, perhaps said intelligent analysis module through said control treatment module from data acquisition module receiver, video information.
11. intelligent camera according to claim 1 is characterized in that, also comprises:
Power supply and external interface module, it is to each parts power supply of intelligent camera and be provided with the interface of the outside equipment of the casing of one or more connection of intelligent video cameras.
12. an intelligent camera method is used for the situation of institute monitored area is monitored, it is characterized in that,
Obtain the optical information of institute monitored area, and convert thereof into video information;
Digital processing element by embedded Control processing unit in the control treatment module and intelligent analysis module receives said video information, and said embedded Control processing unit is handled said video information, output processed video information; The digital processing element of said intelligent analysis module is handled said video information, and when finding to have predetermined or abnormal conditions, said digital processing element sends instruction and gives the embedded Control processing unit, is captured by the embedded Control processing unit; And said digital processing element is captured simultaneously and the picture of being captured is analyzed, discerned, and generates recognition result information and sends it to embedded Control processing unit;
Said embedded Control processing unit sends the recognition result information that the picture and the said digital processing element of said processed video information, its candid photograph sends to Surveillance center.
13. intelligent camera method according to claim 12 is characterized in that,
Video information after the said embedded Control processing unit processes comprises one road HD video information, and said HD video information sends long-range Surveillance center to through network.
14. intelligent camera method according to claim 13 is characterized in that,
Video information after the said embedded Control processing unit processes also comprises the clear video information of a road sign, and said SD video information sends long-range Surveillance center to through cable.
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