CN102905119A - Wireless video monitoring method based on 3G (third Generation) mobile communication network and server system - Google Patents
Wireless video monitoring method based on 3G (third Generation) mobile communication network and server system Download PDFInfo
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- CN102905119A CN102905119A CN2012104206004A CN201210420600A CN102905119A CN 102905119 A CN102905119 A CN 102905119A CN 2012104206004 A CN2012104206004 A CN 2012104206004A CN 201210420600 A CN201210420600 A CN 201210420600A CN 102905119 A CN102905119 A CN 102905119A
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Abstract
The invention provides a wireless video monitoring method based on a 3G (third Generation) mobile communication network and a server system. The system comprises a video acquisition module, a data processing module, a memory transmission module and a peripheral unit module. The system is characterized in that the video acquisition module comprises an A/D (Analog to Digital) conversion unit (6), a video interface (7) and an audio interface (8), the data processing module comprises an embedded processor (1), an internal memory (2), a flash memory (3), a JTAG (Joint Test Action Group) interface (4) and a timing clock unit (5), the memory transmission module comprises a communication module (9), an external memory SD (Secure Digital) card (10), an Ethernet interface (11) and a hard disc memory (12), and the peripheral unit module comprises a GPS (Global Positioning System) module (13), a universal interface (14) and a USB (Universal Serial Bus) interface (15). The method and the system have the beneficial effects that video monitoring, positioning and tracking can be conveniently and quickly carried out on a target; the quality of video images is high, and the data processing and transmission speed is high; and the manufacture cost of the system is low, and the application field is wide.
Description
Technical field
The present invention relates to a kind of audio/video information treatment system and mobile communication system, be specially a kind of method and server system of the wireless video monitoring based on the 3G mobile radio communication.
Background technology
Video monitoring is the important component part of safety-security area, is divided into two kinds of systems of cable network video monitoring and wireless network video monitoring.The cable network Video Supervision Technique has advantages of that the network bandwidth is high, reliability is strong with support ultra high-definition, simultaneously, also has obvious shortcoming: connect up restricted, the quantities of layouting is large, needs to lay network and optical fiber, and construction period is long, expansion and adjustment are inconvenient, lack mobility.The wireless video monitoring that arises at the historic moment has thoroughly been broken away from wired restriction, lasting progress along with the wireless video monitoring correlation technique, such as terminal technology, networking technology, transmission technology etc., the wireless video monitoring business has become one of most typical application of radio network technique.Wireless video transmission technology commonly used has WiFi, though WiFi can transmit HD video after video data is compressed, but fail safe is low and focus is not enough, can be subject to development restriction.Therefore the Video Supervision Technique of movement-based communication network has obtained greatly developing, and has great market prospects.The Video Monitoring Terminal of common movement-based communication network, mostly based on GPRS and GSM network, and the bandwidth of these two kinds of mobile communication technologies is little, transmission speed is slower, can't satisfy the requirement of transmission of video.
Along with the 3G mobile communication technology is fast-developing, will become the pith in video surveillance applications field based on the wireless video monitoring technology of 3G net.The 3G mobile communication technology refers to support the honeycomb mobile communication technology of high speed data transfer, can transmit simultaneously video, audio frequency and data message, and speed is generally more than hundreds of kbps.The high speed development of 3G mobile technology is for Design of Digital Video Monitor System provides advantage.
On the other hand, embedded system technology and advanced video Processing Algorithm provide a kind of superior technical solution for field of video processing.Embedded system device generally all is comprised of embedded computer system and final controlling element, in fields such as control, supervision and auxiliary data processing equipments good application is arranged.
At the video data compression technical elements, H.264 compression standard is a kind of up-to-date coding method that proposes at present, has stronger anti-bit error performance, can adapt to that packet loss is high, the transmission of video in the wireless channel of serious interference, support the hierarchical coding transmission under the heterogeneous networks resource, thereby obtain stably picture quality.
Summary of the invention
Less in view of current monitor terminal design based on the 3G mobile communication technology, the function of equipment needs to be further improved, and transmission speed and video quality all have much room for improvement.The present invention proposes a kind of based on embedded system platform, 3G Network Communication technology, the H.264 video compression technology of algorithm and the Video Monitoring Terminal that the GPS placement technology is integrated.Its purpose is to provide a kind of and adapts to that packet loss is high, the transmission of video in the wireless channel of serious interference, support that hierarchical coding transmission and anti-error code under the heterogeneous networks resource are strong, picture quality is high, based on embedded system platform, 3G Network Communication technology, method and the server system based on the wireless video monitoring of 3G mobile radio communication that are integrated of video compression technology and GPS placement technology H.264.Based on this thought, the present invention proposes following technical scheme:
A kind of method of the wireless video monitoring based on the 3G mobile radio communication, comprise device parameter configuration, video acquisition and compression and transfer of data and storage area, it is characterized in that: the step based on the method system works of the wireless video monitoring of 3G mobile radio communication is as follows:
A, startup of server (21): to system power-up, startup enters system automatically, if need not to change configuration parameter (22), directly carries out video acquisition and compression (26);
B, configuration parameter (22): if need to revise configuration parameter (22), can connect by computer local network or 3G network, use the IE browser to enter the parameter configuration environment, at first enter 3G network configuration (23), configuration network streaming media server domain name addresses;
C, video encoder configuration (24): by step b, enter into video encoder configuration (24), described video encoder configuration (24) comprises that mainly login management, account setting, state show arrange, dial setting, video parameter setting, advanced setting;
D, external equipment configuration (25): comprise that mainly The Cloud Terrace setting, antenna configuration, GPS arrange;
E, video acquisition and compression (26): first to video data acquiring, then by H.264 carrying out compression coding;
F, 3G net transmission (27): with the data communication device of step e cross WCDMA TDSDMA three kinds of networks of CDMA2000 video data is transmitted;
G, SD/SATA store (28): the data of step e are stored with this locality of SD card and hard disk dual mode.
Further, the electric process that adds among the described step a is vehicle power or lithium battery power supply mode.
Further, described video data acquiring provides calling number function and subscriber management function, and only allows authorized user modification calling number.
Further, described step f only provides data to authorized user, and authorized user can by WCDMA TDSDMA three kinds of networks of CDMA2000 to the video capture device probe be rotated, flexible and focusing control.
The present invention also provides a kind of server system of the wireless video monitoring based on the 3G mobile radio communication, this system comprises video acquisition module, data processing module, storage transport module and peripheral module, it is characterized in that: described video acquisition module comprises A/D converting unit (6), video interface (7) and audio interface (8), described data processing module comprises flush bonding processor (1), built-in storage (2), flash memories (3), jtag interface (4) and timer clock unit (5), described storage transport module comprises communication module (9), external memory SD (10), Ethernet interface (11) and harddisk memory (12), peripheral module comprises GPS module (13), general-purpose interface (14) and USB interface (15).
Further, described flush bonding processor (1) is Hi3512RBC CP0501123, its CPU core is ARM926EJ-S, the 16KB instruction, operating frequency can reach 264MHz, can be good at supporting H.264Main Profi le@Leve13.0 encoding and decoding of coding and decoding video, can realize dual code stream coding (H.264/MJPE6).
Further, described video interface (7) is supported 4 road BT.656/601YCrCb input, supports AV interface, HDMI interface, DVI interface, VGA interface, color difference components interface, RF input interface, S terminal, optical fiber interface, RS-232 interface, USB interface, IEEE1394 interface.
Further, described built-in storage (2) is selected SAMSUNG DDR SDRAM K4T161640QF, uses simultaneously 2 to realize the 2G collaborative work.
Further, described flash memories (3) is SPANSION S29GL256P10TF101.
Further, described A/D converting unit (6) TW2815 of Techwe11.
Further, described communication module (9) is used emerging ZTE MF210 in the usefulness, can support the PCIExpress Mini Card wireless Internet card of UMTS850 (900)/1900/2100, GSM/GPRS/EDGE850/900/1800/1900 multiband HSUPA,
Further, the working status parameter of the server system of described wireless video monitoring based on the 3G mobile radio communication is:
1) video input: single channel video input, 1Vpp75, bnc interface (Female), NTSC/PAL standard self adaptation; Compressed format: H.264/AVC;
2) resolution, CIF:352 * 288, Hafe-D1:704 * 288, D1:704 * 576
3) averaging network time-delay: 2 ± 0.1 seconds; Frame per second arranges: the 1-25 frame is adjustable;
4) coding parameter: 8 grades of adjustable picture qualities.
The invention has the beneficial effects as follows:
1, can carry out timing and location tracking to monitoring objective easily by the method and system among the present invention;
2, system's low cost of manufacture, the video image quality of acquisition and processing is high, and data are processed with transmission speed fast;
3, the user is easy to use, both can control by wireless network, again by line traffic control is arranged.
4, easy for installation, to use flexibly, the scope of application is wide.
Description of drawings
Fig. 1 is the residing video monitoring system assumption diagrams of apparatus of the present invention.
Fig. 2 is the hardware structure diagram of apparatus of the present invention.
Fig. 3 is the flow chart schematic diagram of apparatus of the present invention.
Fig. 4 is one of them 3G modular circuit schematic diagram of apparatus of the present invention.
Fig. 5 is the mainboard PCB top level diagram of apparatus of the present invention.
Fig. 6 is mainboard and the processor platform pictorial diagram of apparatus of the present invention.Flush bonding processor 1; Built-in storage 2; Flash memories 3; Jtag interface 4; Timer clock unit 5; A/D converting unit 6; Video interface 7; Audio interface 8; Communication module 9; External memory SD10; Ethernet interface 11; Harddisk memory 12; GPS module 13; General-purpose interface 14; Usb 15; Video source or video camera 16; 3G net video server 17; Network streaming media server 18; Client's monitoring client 19; Local storage SD/SATA20; Startup of server 21; Configuration parameter 22; 3G network configuration 23; Video encoder configuration 24; External equipment configuration 25; Video acquisition and compression 26; 3G net transmission 27; SD/SATA storage 28
Embodiment
Method based on the wireless video monitoring of 3G mobile radio communication comprises device parameter configuration, video acquisition and compression and the parts such as transfer of data and storage, its method is as shown in Figure 3: a kind of method of the wireless video monitoring based on the 3G mobile radio communication, comprise device parameter configuration, video acquisition and compression and transfer of data and storage area, it is characterized in that: the step based on the method for the wireless video monitoring of 3G mobile radio communication and server system works is as follows:
A, startup of server (21): to system power-up, startup enters system automatically, if need not to change configuration parameter (22), directly carries out video acquisition and compression (26);
B, configuration parameter (22): if need to revise configuration parameter (22), can connect by computer local network or 3G network, use the IE browser to enter the parameter configuration environment, at first enter 3G network configuration (23), configuration network streaming media server domain name addresses;
C, video encoder configuration (24): by step b, enter into video encoder configuration (24), described video encoder configuration (24) comprises that mainly login management, account setting, state show arrange, dial setting, video parameter setting, advanced setting;
D, external equipment configuration (25): comprise that mainly The Cloud Terrace setting, antenna configuration, GPS arrange;
E, video acquisition and compression (26): first to video data acquiring, then by H.264 carrying out compression coding;
F, 3G net transmission (27): with the data communication device of step e cross WCDMA TDSDMA three kinds of networks of CDMA2000 video data is transmitted;
G, SD/SATA store (28): the data of step e are stored with this locality of SD card and hard disk dual mode.
Wherein, the electric process that adds among the described step a is vehicle power or lithium battery power supply mode, be user-friendly to, reduce simultaneously the volume of native system, carry more aspect, described video data acquiring provides calling number function and subscriber management function, and only allows authorized user modification calling number, described step f only provides data to authorized user, and authorized user can by WCDMA TDSDMA three kinds of networks of CDMA2000 to the video capture device probe be rotated, flexible and focusing control.
As shown in Figure 1, wireless video monitoring server system based on the 3G mobile radio communication is the audio-video signal that video source or video camera (16) gather, compress processing by 3G net video server (17), be transferred to network streaming media server (18) through 3G mobile communications network or internet, pass to client's monitoring client (19) by network streaming media server (18) again, for user monitoring and management, after perhaps being processed by 3G net video server (17) compression, directly be stored in local storage SD/SATA (20) for client's monitoring client (19).
As shown in Figure 2, this comprises flush bonding processor (1) based on the method for the wireless video monitoring of 3G mobile radio communication and the hardware configuration of server system, built-in storage (2), flash memories (3), jtag interface (4), timer clock unit (5), can realize regularly video acquisition, A/D converting unit (6), video interface (7), audio interface (8), communication module (9), external memory SD (10), Ethernet interface (11), harddisk memory (12), GPS module (13), general-purpose interface (14), USB interface (15), wherein flush bonding processor (1) is selected Hi3512RBC CP0501123, the CPU core of described flush bonding processor (1) is ARM926EJ-S, the 16KB instruction, the flush bonding processor (1) of selecting this model is that it can support multiple open operating system, operating frequency can reach 264MHz, can be good at supporting H.264MainProfi le@Leve13.0 encoding and decoding of coding and decoding video, can realize dual code stream coding (H.264/MJPEG), video interface (7) is supported 4 road BT.656/601YCrCb input, supports the AV interface, the HDMI interface, the DVI interface, the VGA interface, the color difference components interface, the RF input interface, the S terminal, optical fiber interface, RS-232 interface, USB interface, the IEEE1394 interface; Built-in storage (2) is selected SAMSUNG DDR SDRAM K4T1G1640QF, uses simultaneously 2 to realize the 2G collaborative work; Flash memories (3) is SPANSION S29GL256P10TF101; A/D converting unit (6) TW2815 of Techwe11; Emerging ZTE MF210 during communication module (9) is used, can support UMTS850 (900)/1900/2100, the PCI Express Mini Card wireless Internet card of GSM/GPRS/EDGE850/900/1800/1900 multiband HSUPA, WCDMA under the mobile environment can be provided, GSM/GPRS, EDGE (EGPRS) and HSDPA, packet domain bearer service under the WCDMA pattern: the maximum downstream transmission rate is 384Kbit/s, maximum uplink transmission rate is 384Kbit/s, circuit domain bearer service under the WCDMA pattern: 64Kbit/s data service, HSDPA supports that the maximum downstream transmission rate is 7.2Mbit/s, HSUPA supports that maximum uplink transmission rate is 2.0Mbit/s, support EDGECLASS12/GPRS CLASS12 packet domain to accept business, communication module (9) can realize the performance based on the server system of the wireless video monitoring of 3G mobile radio communication to greatest extent, makes it obtain optimum cost performance; Other is universal elements.
Can reach based on the server system of the wireless video monitoring of the 3G mobile radio communication technical indicator when the work:
1) video input: single channel video input, 1Vpp75, bnc interface (Fema1e), NTSC/PAL standard self adaptation; Compressed format: H.264/AVC;
2) resolution, CIF:352 * 288, Hafe-D1:704 * 288, D1:704 * 576
3) averaging network time-delay: approximately 2 seconds; Frame per second arranges: the 1-25 frame is adjustable;
4) Rate Control: automatically adjust image sets (GOP) length;
5) coding parameter: have 8 grades of adjustable picture qualities;
6) bandwidth usage: use Flow Control, Packet Generation interval, use flow-control mechanism, code stream, all configurable.
Circuit design is finished as main take sub-module, wherein 3G modular circuit such as Fig. 4.
Mainboard pcb board based on the server system of the wireless video monitoring of 3G mobile radio communication is 4～10 layers, preferred 6 layers, to guarantee system's even running, minimizing is based on the server system volume of the wireless video monitoring of 3G mobile radio communication, increase the wiring area, cost performance is the highest, and pcb board designs such as Fig. 5, and complete device as shown in Figure 6.
For equipment certainly normally uses, before using, can test, its mode is: connect necessary external equipment, the energising operation, through various parameter testings, normal operation detects whether reached all technical in the specific embodiment of the invention.
Claims (10)
1. method based on the wireless video monitoring of 3G mobile radio communication, comprise device parameter configuration, video acquisition and compression and transfer of data and storage area, it is characterized in that: the step based on the method for the wireless video monitoring of 3G mobile radio communication and server system works is as follows:
A, startup of server (21): to system power-up, startup enters system automatically, if need not to change configuration parameter (22), directly carries out video acquisition and compression (26);
B, configuration parameter (22): if need to revise configuration parameter (22), can connect by computer local network or 3G network, use the IE browser to enter the parameter configuration environment, at first enter 3G network configuration (23), configuration network streaming media server domain name addresses;
C, video encoder configuration (24): by step b, enter into video encoder configuration (24), described video encoder configuration (24) comprises that mainly login management, account setting, state show arrange, dial setting, video parameter setting, advanced setting;
D, external equipment configuration (25): comprise that mainly The Cloud Terrace setting, antenna configuration, GPS arrange;
E, video acquisition and compression (26): first to video data acquiring, then by H.264 carrying out compression coding;
F, 3G net transmission (27): with the data communication device of step e cross WCDMA TDSDMA three kinds of networks of CDMA2000 video data is transmitted;
G, SD/SATA store (28): the data of step e are stored with this locality of SD card and hard disk dual mode.
2. the method for the wireless video monitoring based on the 3G mobile radio communication according to claim 1, it is characterized in that: the electric process that adds among the described step a is vehicle power or lithium battery power supply mode.
3. the method for the wireless video monitoring based on the 3G mobile radio communication according to claim 1, it is characterized in that: described video data acquiring provides calling number function and subscriber management function, and only allows that authorized user revises calling number.
4. the method for the wireless video monitoring based on the 3G mobile radio communication according to claim 1, it is characterized in that: described step f only provides data to authorized user, and authorized user can by WCDMA TDSDMA three kinds of networks of CDMA2000 to the video capture device probe be rotated, flexible and focusing control.
5. server system based on the wireless video monitoring of 3G mobile radio communication, this system comprises video acquisition module, data processing module, storage transport module and peripheral module, it is characterized in that: described video acquisition module comprises A/D converting unit (6), video interface (7) and audio interface (8); Described data processing module comprises flush bonding processor (1), built-in storage (2), flash memories (3), jtag interface (4) and timer clock unit (5);
Described storage transport module comprises communication module (9), external memory SD (10), Ethernet interface (11) and harddisk memory (12);
Peripheral module comprises GPS module (13), general-purpose interface (14) and USB interface (15).
6. the server system of the wireless video monitoring based on the 3G mobile radio communication according to claim 5, it is characterized in that: described flush bonding processor (1) is Hi3512RBC CP0501123, its CPU core is ARM926EJ-S, the 16KB instruction, operating frequency can reach 264MHz, support H.264Main Profile@Leve13.0 encoding and decoding of coding and decoding video, can realize the dual code stream coding H.264/MJPEG.
7. the server system of the wireless video monitoring based on the 3G mobile radio communication according to claim 6, it is characterized in that: described video interface (7) is supported 4 road BT.656/601 YCrCb input, supports AV interface, HDMI interface, DVI interface, VGA interface, color difference components interface, RF input interface, S terminal, optical fiber interface, RS-232 interface, USB interface, IEEE1394 interface.
8. the server system of the wireless video monitoring based on the 3G mobile radio communication according to claim 7, it is characterized in that: described built-in storage (2) is selected SAMSUNG DDR SDRAM K4T1G1640QF, uses simultaneously 2 to realize the 2G collaborative work; Described flash memories (3) is SPANSI0NS29GL256P10TF101; Described A/D converting unit (6) TW2815 of Techwell.
9. the server system of the wireless video monitoring based on the 3G mobile radio communication according to claim 8, it is characterized in that: described communication module (9) is used emerging ZTE MF210 in the usefulness, can support the PCI Express Mini Card wireless Internet card of UMTS 850 (900)/1900/2100, GSM/GPRS/EDGE 850/900/1800/1900 multiband HSUPA.
10. the server system of the wireless video monitoring based on the 3G mobile radio communication according to claim 1 is characterized in that: the method for described wireless video monitoring based on the 3G mobile radio communication and the working status parameter of server system are:
1) video input: the single channel video input, 1Vpp 75, bnc interface (Female), NTSC/PAL standard self adaptation; Compressed format: H.264/AVC;
2) resolution, CIF:352 * 288, Hafe-D1:704 * 288, D1:704 * 576
3) averaging network time-delay: 2 ± 0.1 seconds; Frame per second arranges: the 1-25 frame is adjustable;
4) coding parameter: 8 grades of adjustable picture qualities.
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| CN103595456A (en) * | 2013-10-16 | 2014-02-19 | 南京邮电大学 | Method for achieving multimedia sensor network data transmission system |
| CN104168463A (en) * | 2014-08-28 | 2014-11-26 | 中国矿业大学 | Media video server |
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