CN102457710B - 3G wireless video monitoring system and video monitoring method thereof - Google Patents
3G wireless video monitoring system and video monitoring method thereof Download PDFInfo
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Abstract
The invention discloses a 3G wireless video monitoring system and a video monitoring method thereof. The method comprises the following steps: establishing a 3G wireless data link between 3G wireless video monitoring equipment and a center server; after the link is successfully established, on a center server terminal, monitoring a request instruction of a monitoring terminal; if a parameter control instruction is received, forwarding to the 3G wireless video monitoring equipment; if an application video instruction is received and there is no a same kind of the monitoring terminal to perform monitoring, establishing an audio and video data transmission link with the monitoring equipment and forwarding to the new monitoring terminal after the audio and video data is received; otherwise, copying the audio and video data and forwarding to the new monitoring terminal; on a 3G wireless video monitoring equipment terminal, carrying out parameter adjusting according to the parameter control instruction; real-timely processing the audio and video data based on an image processing parameter of the monitoring terminal which is suitable for the current application video. By using the system and the method of the invention, a plurality of different monitoring equipment can simultaneously carry out real-time monitoring to a monitoring object.
Description
Technical field
The present invention relates to technical field of video monitoring, relate in particular to a kind of 3G wireless video monitoring system and video frequency monitoring method thereof.
Background technology
At present in field of video monitoring at the vehicle-mounted DVS/DVR of the application of traffic transport industry, traditional video recording and real-time local preview function mainly all only is provided, and can't accomplish remote real-time monitoring, particularly for coach, during dangerous material vehicle situation occurred, real time status can't obtain confirming, along with popularizing of 3G network, 3G wireless vehicle-mounted video monitor system also just arises at the historic moment, at Chinese patent: application number is CN200910098487.0, name is called in " vehicle-bone 3 G long distance control system and method for supervising ", described camera shooting terminal adopts the 3G communication module, carry out synchronization video shooting by the 3G mobile start-up routine that sends instructions, audio frequency picks up, and directly be transferred to 3G mobile and directly shown by the 3G mobile screen by 3G network, and start the purpose that the 3G communication module reaches monitoring by transducer.But still there is following weak point in it.
1) 3G network limited bandwidth, camera shooting terminal can not send respectively audio, video data for simultaneously a plurality of monitoring mobile phone users, even send, a audio, video data repeatedly sends the waste that also can cause the 3G network resource.
2) be only limited to the employing mobile phone in this technical scheme and monitor in real time, and the continual operation of these mobile phone needs, monitoring software could be monitored in real time, be subject to the persistence of battery of mobile phone, mobile phone can't be realized working long hours, in a single day as shutting down and alarm being arranged, and also can't the real-time informing user.
Summary of the invention
The object of the present invention is to provide a kind of 3G wireless video monitoring system and video frequency monitoring method thereof, not only can realize that a plurality of watch-dogs carry out Real Time Monitoring to same monitored object simultaneously, and watch-dog is not limited to mobile phone terminal.
The embodiment of the invention is achieved in that a kind of 3G wireless video monitoring system, comprises 3G wireless video monitoring equipment, central server, at least one monitor terminal; Wherein, 3G wireless video monitoring equipment comprises image capture module, image processing module, 3G wireless module, control module, network transmission module.
Described image capture module is used for the Real-time Collection video data.
Described 3G wireless module is used for triggering startup 3G dialing by control module, sets up the 3G wireless data link with central server; Carry out reception and the transmission of note.
Described control module is used for triggering the 3G wireless module and starts the 3G dialing, sets up the 3G wireless data link with central server; When receiving the parameter control command, according to this instruction corresponding image processing parameter is adjusted; When receiving the application video instructions, call image processing module according to the image processing parameter of current watch-dog coupling the audio, video data of current collection being processed, send to central server by network transmission module afterwards.
Described network transmission module, the audio, video data after being used for processing sends to central server by the audio, video data transmission link.
Described central server is used for after the 3G wireless data link is successfully established, and receives the parameter control command of monitor terminal and it directly is transmitted to 3G wireless video monitoring equipment by the 3G wireless data link; Receive the application video instructions of new monitor terminal, if current do not have other monitor terminals monitoring or the current monitor terminal of monitoring and new monitor terminal inhomogeneity, to apply for that then video instructions is transmitted to 3G wireless video monitoring equipment, and on described 3G wireless data link, set up new audio, video data transmission link with 3G wireless video monitoring equipment, receive 3G wireless video monitoring equipment and be transmitted to new monitor terminal by the audio, video data of this audio, video data transmission link transmission and with it, if current have other monitor terminals monitoring and wherein have monitor terminal similar with new monitor terminal, then copy is a sends to the audio, video data of this similar monitor terminal and it is transmitted to new monitor terminal.
Described monitor terminal is used for sending parameter setting instruction and/or application video instructions to central server; To the rear demonstration of decoding of received audio, video data.
Wherein, described monitor terminal comprises monitoring mobile phone terminal and PC monitor terminal; Described central server and PC monitor terminal communicate by lan, adsl or wifi network, communicate by wireless network (comprising 3G or 2G network etc.) with the monitoring mobile phone terminal.
Described monitoring mobile phone terminal also is used for sending note to described 3G wireless video monitoring equipment, wherein carries the effective instruction that triggers the 3G dialing.
Wherein, described 3G wireless video monitoring equipment also comprises alarm module, for detection of DI alarm signal and mobile detection alert signal.
Described control module, be used for alarm module detect that DI warnings/mobile detection alert signal or 3G wireless module receive that monitor terminal sends carry the note of effective instruction the time, trigger the 3G wireless module and start 3G and dial.
Wherein, described 3G wireless video monitoring equipment also comprises local storage playback module, be used for after image processing module carries out respective handling according to the image processing parameter that is used for the HD video storage to the audio, video data that gathers, carrying out this locality storage, and process local file playback association requests.
Wherein, described image processing module comprises: image scaling module, image coding module, video data processing module, be respectively applied to according to the image processing parameter to audio, video data compress, coding, corresponding video data process.
A kind of video frequency monitoring method of aforesaid 3G wireless video monitoring system may further comprise the steps.
Trigger the 3G wireless module and start the 3G dialing, between 3G wireless video monitoring equipment and central server, set up the 3G wireless data link; After the 3G wireless data link is successfully set up, at center server: monitor monitor terminal to the request instruction of its transmission, if receive the parameter control command, then it directly is transmitted to 3G wireless video monitoring equipment; If receive the application video instructions, if current do not have similar monitor terminal to monitor, so described application video instructions is transmitted to 3G wireless video monitoring equipment and sets up the audio, video data transmission link with it, after receiving the next audio, video data of 3G wireless video monitoring equipment end transmission, be transmitted to again new monitor terminal, otherwise, copy currently being forwarded to the audio, video data of current similar monitor terminal and it is transmitted to new monitor terminal.
In 3G wireless video monitoring equipment end: the Real-time Collection audio, video data; When receiving the parameter control command, carry out accordingly corresponding parameter adjustment; When receiving the application video instructions, judge the kind of the monitor terminal of application video according to this application video instructions, choose the image processing parameter of coupling and process foundation as image, send to central server by described audio, video data transmission link after the audio, video data of current collection is processed in real time.
In the said method, monitor terminal comprises PC monitor terminal and monitoring mobile phone terminal.
In the said method, 3G wireless video monitoring equipment detect DI warning/mobile detection alert signal or receive that the monitoring mobile phone terminal sends carry the note that starts 3G dialing instruction the time, trigger the 3G wireless module and start the 3G dialing.
In the said method, 3G wireless video monitoring equipment end is when the application video request that receives from the PC monitor terminal, processing method to audio, video data comprises: select to be applicable to the image processing parameter of PC monitor terminal, according to wherein video resolution parameter, video coding parameter and video data processing parameter described audio, video data is carried out convergent-divergent, coding, corresponding video data successively and process.
3G wireless video monitoring equipment end is when the application video request that receives from the monitoring mobile phone terminal, processing method to audio, video data comprises: select to be applicable to the image processing parameter of monitoring mobile phone terminal, according to wherein video resolution parameter, video coding parameter and video data processing parameter described audio, video data is carried out convergent-divergent, coding, corresponding video data successively and process.
Said method also comprises: 3G wireless video monitoring equipment judges whether to carry out the high resolution audio and video data storage in the process of Real-time Collection audio, video data, if need to then choose for the image processing parameter of high definition storage and process foundation as image, the audio, video data of current collection is stored after the processing in real time.
The embodiment of the invention compared with prior art, beneficial effect is:
1) among the present invention, 3G wireless video monitoring equipment can be processed in real time and obtain 3 audio-video code stream to satisfy the monitoring of PC monitor terminal, monitoring mobile phone terminal monitoring and three kinds of application of high definition storage are to the different demands of video code flow, and the 3G wireless video monitoring equipment of front end is set up at most the audio, video data transmission link of a PC and the audio, video data transmission link of a mobile phone by 3G network and central server, then again audio, video data is distributed to corresponding monitor terminal by central server, and can carry out transfer of data by diverse network between central server and the monitor terminal, not be subjected to limit bandwidth.Thereby the present invention not only provides the selection of more monitor terminal kind, comprises PC monitor terminal and monitoring mobile phone terminal; And guarantee under limited 3G network bandwidth, can support a plurality of monitor terminals, comprise a plurality of PC monitor terminals and a plurality of monitoring mobile phone terminal, realized that a plurality of PC monitor terminals or the complementation of monitoring mobile phone terminal carry out omnibearing Real Time Monitoring.In addition, also can provide the video data of high definition by the video recording storage of front end this locality, be convenient to collect evidence in all many-sided verifications such as the traffic accident processing occur.
2) need to initiatively check field condition or having under the situation of warning information as the user, just remove to set up the 3G wireless data link, not set up the 3G wireless data link in other situations, thereby reduced the waste of 3G wireless data link resource; Simultaneously, when not having monitoring mobile phone terminal to apply Real Time Monitoring, 3G wireless video monitoring equipment does not start the relevant treatment operations of mobile video stream, when not having PC monitor terminal application video, 3G wireless video monitoring equipment does not start the relevant treatment operations of PC video flowing, reduce the load of 3G wireless video monitoring equipment, further reduced the waste of 3G wireless data link resource.
Description of drawings
Fig. 1 is the structural representation of 3G wireless video monitoring system in the embodiment of the invention.
Fig. 2 is the process flow figure of 3G wireless video monitoring equipment in the embodiment of the invention.
Fig. 3 is the process flow figure of central server in the embodiment of the invention.
Fig. 4 is the alarm linkage method for supervising flow chart of 3G wireless video monitoring equipment in the embodiment of the invention.
Fig. 5 is the note interlock method for supervising flow chart of 3G wireless video monitoring equipment in the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also Fig. 1, this figure is depicted as the 3G wireless video monitoring system that present embodiment provides, and comprises 3G wireless video monitoring equipment 1, central server 2, a plurality of monitor terminal 3.
Wherein, 3G wireless video monitoring equipment 1 comprises image capture module 11, image scaling module 12, image coding module 13, video data processing module 14, control module 18, alarm module 17,3G wireless module 19, network transmission module 16, local storage playback module 15; Central server 2 comprises network receiver module 21 and forwarded module 22; Monitor terminal 3 comprises network receiver module 31 and video decode display module 32, and the kind of monitor terminal 3 can be monitoring mobile phone terminal and PC monitor terminal, and quantity is not limit.As shown in the figure, central server 2 and PC monitor terminal are by communicating by diverse network, such as lan, adsl or wifi network; Central server 2 can communicate by 3G or 2G network with the monitoring mobile phone terminal.
Framework annexation between the modules of 3G wireless video monitoring system each several part has also been described in the accompanying drawing 1.
Wherein, image capture module 11 gathers image by camera shooting terminal, the original image that image capture module 11 gathers is 720 * 576(P standard), 720 * 480(N standard), then use different parameters to carry out maximum three times Resize convergent-divergents according to different purposes to original image, for example: the resolution that local storage playback module 15 can be preserved the full frame rate is the image of the high definition of D1; The video of Pc monitor terminal carries out the parameter setting according to the situation of 3G wireless network, generally can be made as the CIF of frame losing; The video of monitoring mobile phone terminal carries out the parameter setting according to the situation of 3G wireless network, generally can be made as QVGA.Concrete image processing parameter can arrange by control module 18, and control module 18 can be controlled the Resize convergent-divergent of selecting to adopt above-mentioned any type according to received application video request or stored video data request from PC monitor terminal/monitoring mobile phone terminal simultaneously.
Image coding module 13 is encoded according to the different coding parameter of the different purposes yuv data image after to the Resize convergent-divergent, compiles out different video flowings.For the video image that is used for storage, can carry out the code check of 1Mbps of the D1 of full frame rate and encode; For the video data that is used for the Pc monitor terminal, can arrange according to the upstream rate of the used 3G network standard of 3G wireless video monitoring equipment, for example: for the upstream bandwidth network of TD 100 ~ 128Kbps, can be arranged to per second 8 frames, 96Kbps code stream, resolution and be the coding parameter of CIF and encode; For the video data of monitoring mobile phone terminal, according to the characteristic of mobile phone screen, in order to reach optimum efficiency, generally video resolution is changed into QVGA, frame per second and code check also will arrange according to the used network of 3G wireless video monitoring equipment.
14 pairs of codings of video data processing module data are out carried out respective handling, make it to be fit to Internet Transmission or local storage.If Internet Transmission, then also needing basis is the video of Pc monitor terminal request, or the video of monitoring mobile phone terminal request is done corresponding information processing.
Control module 18 mainly is corresponding module is resolved and transferred to the various control commands that network is come process, and comprises setting, the control of 3G dialing parameters of the transmission means (TCP, UDP, RTP) of the setting of the setting of processing, image parameter of the audio frequency and video request of monitor terminal 3 and inquiry, coding parameter (resolution, code check, frame per second, I interFrameGap etc.) and inquiry, network, the startup dialing (perhaps stopping dialing) that the mobile phone white list arranges, control triggers 3G wireless module 19 of 3G wireless module 19 etc.
Alarm module 17 when having detected alarm generation, can be notified the startup dialing (perhaps stopping dialing) of control module 18 triggering 3G wireless modules 19 and the transmission of note for detection of DI alarm signal and mobile detection alert signal.
3G wireless module 19 comprises that starting 3G dials in (access PS territory), stops 3G dialing (disconnection is connected with the PS territory), note reception, note transmission etc., mainly be when alarm module 17 detects DI alarm generation or mobile detection alert generation, send short message alarm information for the cellphone subscriber who enables alarm interlock short message prompt in the mobile phone white list; Perhaps when receiving the note of artificial triggering, start the 3G dialing, make in the 3G wireless video monitoring equipment 1 access 3G network and carry out transfer of data.
Network transmission module 16 mainly be the transmission tone video data to central server 3, processing center server 3 passes the request command of coming.
Local storage playback module 15 is used for carrying out the video recording of whole day high definition according to storage demand, also can record a video on a time period, alarm gang video recording or manually video recording etc., and process local file playback association requests.
The network receiver module 21 of central server 2 receives the audio, video data of 3G wireless video monitoring equipment 1, and it is forwarded to monitor terminal 3(PC monitor terminal, monitoring mobile phone terminal by forwarded module 22); Forwarded module 22 also is used for transmitting monitor terminal 3 for the association requests control command of 3G wireless video monitoring equipment 1.
Monitor terminal 3(PC monitor terminal, monitoring mobile phone terminal) receive the audio, video data that Internet Transmission is come, carry out video decode, and be shown on the screen.
See also Fig. 2, this figure is depicted as a handling process after gathering a frame YUV view data of the above-mentioned 3G wireless video monitoring equipment that present embodiment provides.
201,3G wireless video monitoring device start operation begins to gather the yuv data image.
202,3G wireless video monitoring equipment is judged the current Pc monitor terminal request audio, video data that whether has, and then enters 203 if having, otherwise enters 204.
203, according to the video resolution of Pc monitor terminal request, the yuv data image is carried out the Resize convergent-divergent process; Then according to the video coding parameter of applying for, the yuv data image behind the Resize is encoded; Again carry out audio, video data and process, make it to play at the Pc monitor terminal; At last by TCP(UDP, RTSP) etc. the Internet Transmission mode pass to central server, be transmitted to the applicant by it; Finish afterwards the processing of the current YUV view data that collects.
204,3G wireless video monitoring equipment is judged the current monitoring mobile phone terminal request audio, video data that whether has, and then enters 205 if having, and not so jumps to 206.
205, according to the video resolution of monitoring mobile phone terminal request, the yuv data image is carried out the Resize convergent-divergent process; Then according to the video coding parameter of applying for, the yuv data image behind the Resize is encoded; Again carry out audio, video data and process, make it to play in the monitoring mobile phone terminal; At last by TCP(UDP, RTSP) etc. the Internet Transmission mode pass to central server, be transmitted to the applicant by it; Finish afterwards the processing of the current YUV view data that collects.
206, whether the judgement of 3G wireless video monitoring equipment is current needs to carry out the high resolution audio and video data storage, if need to then enter 207, not so finishes the processing of the current YUV view data that collects.
The resolution of the audio, video data that 207, stores according to high definition is carried out the Resize convergent-divergent to the yuv data image and is processed; Then according to the video coding parameter of storage, the yuv data image behind the Resize is encoded; Carrying out the audio, video data storage at last.
See also Fig. 3, this figure is depicted as the handling process of the above-mentioned central server that present embodiment provides.
301, start central server, monitor the request command of monitor terminal, forward 302 when receiving orders to.
302, determine whether to ask the order of audio, video data, if not, forward 303 to, otherwise forward 304 to.
303, for common control command, carry out transparent forwarding to corresponding 3G wireless video monitoring equipment, central server does not process.
304, for the order of monitor terminal application audio, video data, if should order from Pc monitor terminal (monitoring mobile phone terminal), judge then that the Pc monitor terminal (monitoring mobile phone terminal) that has other on the current 3G wireless video monitoring equipment or not carried out Real Time Monitoring by central server.If exist, then forward step 305 to, if do not exist, then jump to step 306.
305, a audio, video data of direct copying and be transmitted to new monitor terminal, and no longer set up new audio, video data transmission link to 3G wireless video monitoring equipment.
306, central server is first to 3G wireless video monitoring equipment application video request, the audio, video data transmission link new with its foundation, the audio, video data that again 3G wireless video monitoring equipment is sent by this audio, video data transmission link is transmitted to the monitor terminal of application.
In summary, the 3G wireless video monitoring equipment of the embodiment of the invention is by compiling out 3 kinds of video code flows to adapt to the PC monitor terminal monitor mode of monitor terminal, monitoring mobile phone terminal monitoring mode and three kinds of different demands to video code flow of high definition storage, the 3G wireless video monitoring equipment of front end is set up at most the audio, video data transmission link of a PC and the audio, video data transmission link of a mobile phone by 3G network and central server, then corresponding audio, video data is distributed to each monitor terminal again by central server, to guarantee under limited 3G network bandwidth, a plurality of monitor terminals be can support, PC monitor terminal and monitoring mobile phone terminal comprised.By this locality video recording storage of front end, the video data of high definition can be provided, be convenient to collect evidence in all many-sided verifications such as the traffic accident processing occur.But the monitoring of 3G wireless video monitoring equipment active request real-time audio and video connects central server, by a plurality of PC monitor terminals or the complementary design that realizes 24 hours omnibearing Real Time Monitorings of monitoring mobile phone terminal.Range of application of the present invention includes but not limited to that transport facility (vehicle, ship) etc. can implement the place of 3G wireless video monitoring equipment.
The below will further specify two kinds of wireless monitoring methods of the embodiment of the invention.
See also Fig. 4, this figure is depicted as the specific embodiments of the alarm linkage method for supervising that present embodiment provides, and comprising:
401,3G wireless video monitoring equipment normally starts operation, does not start the 3G dialing under the default situations.Whether the real-time detection of alarm module has the generations such as DI warning or mobile detection alert, has then to enter step 402, not so continues monitoring.
402, receive alarm, judge first whether alarm is effective, effective then by the phone number of SMS notification to the appointment receiving alarm information in the mobile phone white list, then trigger the 3G wireless module and start the dialing of 3G wireless data link, enter step 403, not so return step 401 and continue monitoring.
403, the 3G wireless data link dial-up success of 3G wireless module then receives the phone number of information by SMS notification to the appointment in the mobile phone white list, and enters step 404, not so continues to repeat dialing.
404, monitor parameter control command or the application video instructions that whether has monitor terminal to come by the central server biography; If the parameter control command enters into step 405; If the application video instructions enters into step 406.
405, according to the parameter control command of receiving, control module is carried out corresponding parameter adjustment (adjustment of image parameter or coding parameter etc.).
406, judge that according to the instruction of the application video of receiving monitor terminal is PC monitor terminal or monitoring mobile phone terminal.If the PC monitor terminal then starts and encodes with the coding parameter of PC video flowing, the audio, video data of compiling out is labeled as the PC video flowing, and carries out corresponding audio, video data and process, so that monitor terminal can correctly be identified the relevant information processing of decoding; If monitoring mobile phone terminal, then start and encode with the coding parameter of mobile video stream, the video heads data markers of compiling out is mobile video stream, and carry out corresponding video heads data and process, so that send to the demonstration that is identified and decodes that the data of monitoring mobile phone terminal can be correct, then enter step 7; Attention can be encoded into two kinds of video flowings simultaneously by an identical image that collects, a kind of PC video flowing, and a kind of mobile video stream has so just supported to carry out the PC monitor terminal simultaneously and the monitoring mobile phone terminal is carried out Real Time Monitoring.
407, network transmission module sends audio, video data to central server according to the transmission means (TCP, UDP, RTP) of monitor terminal appointment, is transmitted to a plurality of monitor terminals of corresponding this audio, video data of request via central server again.
See also Fig. 5, this figure is depicted as the specific embodiments of the note interlock method for supervising that present embodiment provides, and comprising:
501,3G wireless video monitoring equipment normally starts operation, does not start the 3G dialing under the default situations.Whether the real-time detection of 3G wireless module has note to receive, and has then to enter step 502, not so continues monitoring.
502, receive note, judge first short message content whether be effective instruction (for example, can represent " stopping the 3G dialing " by designation number " 0 " short message content, numeral " 1 " short message content represents " starting the 3G dialing ", other short message content then is invalid content), not then to return step 501 to continue monitoring; The number that judge to send again note is the phone number in the mobile phone white list whether, is to continue then to judge whether this number has the authority of dialing (or stopping dialing), has authority then to enter step 503; Lack of competence is then replied the note of " this number lack of competence ", then returns step 501 and continues monitoring.
503, according to the short message content respective handling: if this short message content is " starting the 3G dialing " instruction, then start the 3G dialing, reply notifying messages after the dial-up success to the user, and enter step 504; If this short message content is " stopping the 3G dialing ", then stops the 3G wireless data link and return step 501 continuation monitoring.
504, monitor parameter control command or the application video instructions that whether has monitor terminal to come by the central server biography; If the parameter control command enters into step 505; If the application video instructions enters into step 506.
505, according to the parameter control command of receiving, control module is carried out corresponding parameter adjustment.
506, judge that according to the instruction of the application video of receiving monitor terminal is PC monitor terminal or monitoring mobile phone terminal.If the PC monitor terminal is then encoded with the coding parameter of PC video flowing, the audio, video data of compiling out is labeled as the PC video flowing, and carries out corresponding audio, video data and process, so that monitor terminal can correctly be identified the relevant information processing of decoding; If monitoring mobile phone terminal, then encode with the coding parameter of mobile video stream, the video heads data markers of compiling out is mobile video stream, and carry out corresponding video heads data and process, so that send to the demonstration that is identified and decodes that the data of monitoring mobile phone terminal can be correct, then enter step 7; Attention can be encoded into two kinds of video flowings simultaneously by an identical image that collects, a kind of PC video flowing, and a kind of mobile video stream has so just supported to carry out the PC monitor terminal simultaneously and the monitoring mobile phone terminal is carried out Real Time Monitoring.
507, network transmission module sends audio, video data to central server according to the transmission means (TCP, UDP, RTP) of monitor terminal appointment, is transmitted to a plurality of monitor terminals of corresponding this audio, video data of request via central server again.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a 3G wireless video monitoring system is characterized in that, comprises 3G wireless video monitoring equipment, central server, at least one monitor terminal; Wherein, 3G wireless video monitoring equipment comprises image capture module, image processing module, 3G wireless module, control module, network transmission module;
Described image capture module is used for the Real-time Collection audio, video data;
Described 3G wireless module is used for triggering startup 3G dialing by control module, sets up the 3G wireless data link with central server; Carry out reception and the transmission of note;
Described control module is used for triggering the 3G wireless module and starts the 3G dialing, sets up the 3G wireless data link with central server; When receiving the parameter control command, according to this instruction corresponding image processing parameter is adjusted; When receiving the application video instructions, call image processing module according to the image processing parameter of current watch-dog coupling the audio, video data of current collection being processed, send to central server by network transmission module afterwards;
Described network transmission module, the audio, video data after being used for processing sends to central server by the audio, video data transmission link;
Described central server is used for after the 3G wireless data link is successfully established, and receives the parameter control command of monitor terminal and it directly is transmitted to 3G wireless video monitoring equipment by the 3G wireless data link; Receive the application video instructions of new monitor terminal, if current do not have other monitor terminals monitoring or the current monitor terminal of monitoring and new monitor terminal inhomogeneity, to apply for that then video instructions is transmitted to 3G wireless video monitoring equipment, and on described 3G wireless data link, set up new audio, video data transmission link with 3G wireless video monitoring equipment, receive 3G wireless video monitoring equipment and be transmitted to new monitor terminal by the audio, video data of this audio, video data transmission link transmission and with it, if current have other monitor terminals monitoring and wherein have monitor terminal similar with new monitor terminal, then copy is a sends to the audio, video data of the monitor terminal similar with this new monitor terminal and it is transmitted to new monitor terminal;
Described monitor terminal is used for sending parameter setting instruction and/or application video instructions to central server; To the rear demonstration of decoding of received audio, video data.
2. 3G wireless video monitoring system as claimed in claim 1 is characterized in that, described monitor terminal comprises monitoring mobile phone terminal and PC monitor terminal; Described central server and PC monitor terminal communicate by lan, adsl or wifi network, communicate by wireless network with the monitoring mobile phone terminal;
Described monitoring mobile phone terminal also is used for sending note to described 3G wireless video monitoring equipment, wherein carries the effective instruction that triggers the 3G dialing.
3. 3G wireless video monitoring system as claimed in claim 2 is characterized in that, described 3G wireless video monitoring equipment also comprises alarm module, for detection of DI alarm signal and mobile detection alert signal;
Described control module, be used for alarm module detect that DI warnings/mobile detection alert signal or 3G wireless module receive that monitor terminal sends carry the note of effective instruction the time, trigger the 3G wireless module and start 3G and dial.
4. 3G wireless video monitoring system as claimed in claim 1, it is characterized in that, described 3G wireless video monitoring equipment also comprises local storage playback module, be used for after image processing module carries out respective handling according to the image processing parameter that is used for the HD video storage to the audio, video data that gathers, carrying out this locality storage, and process local file playback association requests.
5. 3G wireless video monitoring system as claimed in claim 1, it is characterized in that, described image processing module comprises: image scaling module, image coding module, video data processing module, be respectively applied to according to the image processing parameter to audio, video data compress, coding, corresponding video data process.
6. the video frequency monitoring method of a 3G wireless video monitoring system as claimed in claim 1 is characterized in that, the method may further comprise the steps:
Trigger the 3G wireless module and start the 3G dialing, between 3G wireless video monitoring equipment and central server, set up the 3G wireless data link; After the 3G wireless data link is successfully set up,
At center server: monitor monitor terminal to the request instruction of its transmission, if receive the parameter control command, then it directly is transmitted to 3G wireless video monitoring equipment; If receive the application video instructions, if current do not have similar monitor terminal to monitor, so described application video instructions is transmitted to 3G wireless video monitoring equipment and the audio, video data transmission link new with its foundation, after receiving the next audio, video data of 3G wireless video monitoring equipment end transmission, be transmitted to again new monitor terminal, otherwise, copy currently being forwarded to the audio, video data of the current monitor terminal similar with this new monitor terminal and it is transmitted to new monitor terminal;
In 3G wireless video monitoring equipment end: the Real-time Collection audio, video data; When receiving the parameter control command, carry out accordingly corresponding parameter adjustment; When receiving the application video instructions, judge the kind of the monitor terminal of application video according to this application video instructions, choose the image processing parameter of coupling and process foundation as image, send to central server by described audio, video data transmission link after the audio, video data of current collection is processed in real time.
7. the video frequency monitoring method of 3G wireless video monitoring system as claimed in claim 6 is characterized in that, in the described method, monitor terminal comprises PC monitor terminal and monitoring mobile phone terminal.
8. the video frequency monitoring method of 3G wireless video monitoring system as claimed in claim 7, it is characterized in that, in the described method, 3G wireless video monitoring equipment detect DI warning/mobile detection alert signal or receive that the monitoring mobile phone terminal sends carry the note that starts 3G dialing instruction the time, trigger the 3G wireless module and start the 3G dialing.
9. the video frequency monitoring method of 3G wireless video monitoring system as claimed in claim 7, it is characterized in that, in the described method, 3G wireless video monitoring equipment end is when the application video request that receives from the PC monitor terminal, processing method to audio, video data comprises: select to be applicable to the image processing parameter of PC monitor terminal, according to wherein video resolution parameter, video coding parameter and video data processing parameter described audio, video data is carried out convergent-divergent, coding, corresponding video data successively and process;
3G wireless video monitoring equipment end is when the application video request that receives from the monitoring mobile phone terminal, processing method to audio, video data comprises: select to be applicable to the image processing parameter of monitoring mobile phone terminal, according to wherein video resolution parameter, video coding parameter and video data processing parameter described audio, video data is carried out convergent-divergent, coding, corresponding video data successively and process.
10. the video frequency monitoring method of 3G wireless video monitoring system as claimed in claim 6, it is characterized in that, described method also comprises: 3G wireless video monitoring equipment judges whether to carry out the high resolution audio and video data storage in the process of Real-time Collection audio, video data, if need to then choose for the image processing parameter of high definition storage and process foundation as image, the audio, video data of current collection is stored after the processing in real time.
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