CN102170560A - Radio-frequency-identification (RFID)-based closed circuit television system and monitoring method - Google Patents
Radio-frequency-identification (RFID)-based closed circuit television system and monitoring method Download PDFInfo
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Abstract
The invention relates to a radio-frequency-identification (RFID)-based closed circuit television system and an RFID-based monitoring method. The system comprises RFID tags (3A to 3E), a plurality of groups of monitoring front-ends consisting of readers (10A to 10E) and photographic devices (11A to 11E), an RFID registration module (12), a stream media processing module (13), a target tracking module (14), a wireless communication module (15) and a video switching module (16). In the system and the monitoring method, the RFID tags are attached to a monitoring target, identification codes are read from the RFID tags by the reader, and corresponding video streams are retrieved according to the identification codes for display on a monitor console, thereby realizing target tracking in the closed circuit television system based on an RFID technology. The system and the method have the advantages of capability of realizing the automatic switching of monitoring pictures and the automatic identification of the monitoring target, low cost, high tracking speed and accuracy, and convenience of conventional system upgrading and transformation, and are easy to implement.
Description
Technical field
The present invention relates to the cctv surveillance technology, more specifically, relate to a kind of closed-circuit television system and method for supervising based on RFID.
Background technology
The Close Circuit Television (CCTV) monitoring technique all has important application at aspects such as security, personal management, production supervision.Existing closed-circuit television system adopts a plurality of camera heads that are distributed on the diverse location that guarded region is taken in real time usually, the monitored picture that a plurality of camera heads obtain forms multi-path video stream through the processing and the coding of Streaming Media module, be transferred to control and monitor console afterwards, shown by the display of control and monitor console.Usually, the display of control and monitor console switches between the monitored picture of each camera head, reflects the situation of guarded region.
In actual applications, often need some target in the guarded region (for example certain part Very Important Cargo or certain personnel) is carried out tracing and monitoring.When target moves, may enter the monitor area of other camera head from the monitor area that a camera head is responsible for, the personnel that at this time monitor can only could continue target tracking by the manual video flowing that the display frame of control and monitor console is switched to from other camera head.This has caused the inconvenience of using to a great extent.
Along with the closed-circuit television technical development, the display frame that also occurred automaticallying switch realizes the system of target following, these systems have mainly adopted the image model recognition technology, in monitored picture, extract specific objective by graphical analysis, a plurality of monitored pictures from a plurality of camera heads are carried out object matching, find the monitored picture that has specific objective also to be shown.Yet, because target identification and matching algorithm complexity require height to hardware configuration, cause this closed-circuit television system cost higher from motion tracking, can't realize popularization and application.
In recent years, the RFID technology is promoted day by day.Typical R FID system comprises RFID electronic tag and reader.The RFID electronic tag generally is attached on the article, has stored the customizing messages relevant with article in the label, for example the ID of article coding etc.Reader can carry out radio communication by antenna and one or more RFID electronic tag, the described customizing messages in the reading tag, thus realization is to the identification and the record of article.Rfid system has obtained extensive use in fields such as logistics transportation, commodity distributions.But, the example of closed-circuit control does not still appear this technology is applied in the technology now.
Summary of the invention
At the defective of closed-circuit television system of the prior art, the invention provides a kind of closed-circuit television system and method for supervising based on RFID.System of the present invention and method for supervising adhere to the RFID electronic tag to the monitoring objective in the monitoring place, adopt the reader composition front monitoring front-end that matches with camera head, read recognition coding in the RFID electronic tag by reader, obtain the corresponding described recognition coding of the monitoring objective that to follow the trail of then, the video flowing of transferring corresponding front monitoring front-end generation according to recognition coding is shown at control and monitor console, thereby is realized target tracking based on the RFID technology in closed-circuit television system.
Closed-circuit television system based on RFID of the present invention is characterized in that, comprising:
RFID electronic tag (3A-3E) is attached to monitoring objective (2A-2E) and goes up and store recognition coding;
Some groups of front monitoring front-ends, every group of front monitoring front-end comprise reader (10A-10E) and camera head (11A-11E) and have the front monitoring front-end numbering;
RFID Registration Module (12), the front monitoring front-end of each reader of corresponding stored (10A-10E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
Streaming Media processing module (13), the vision signal that each camera head (11A-11E) is taken generates corresponding multi-channel video stream medium data;
Target tracking module (14), obtain the recognition coding of the accompanying RFID electronic tag of tracked monitoring objective, and obtain the front monitoring front-end numbering of this recognition coding correspondence by inquiry RFID Registration Module (12), generate switching controls instruction according to this front monitoring front-end numbering;
Video frequency switching module (16) instructs the video stream media data of camera head generation that will be corresponding with described front monitoring front-end numbering to output to wireless communication module (15) according to described switching controls;
Wireless communication module (15) sends to control and monitor console with described video stream media data wireless.
Preferably, wherein, described RFID Registration Module (12) comprises the tabulation generation module, and described tabulation generation module generates the Query List of a corresponding stored front monitoring front-end numbering and recognition coding.
Preferably, wherein, described Streaming Media processing module (13) comprises multiplexer, and described multiplexer is multiplexed into the video stream media data that each camera head generates with the pairing front monitoring front-end numbering of each camera head (11A-11E) as additional data.
Preferably, wherein, described target tracking module (14) comprising: target obtains unit (141), obtains the recognition coding of RFID electronic tag accompanying on the tracked monitoring objective; Query unit (142) is inquired about the pairing front monitoring front-end numbering of this recognition coding to RFID Registration Module (12); Switch control unit (143) generates described switching controls instruction according to this front monitoring front-end numbering.
Preferably, described video frequency switching module (16) comprises the Streaming Media filter.
On the other hand, the present invention also provides another kind of closed-circuit television system based on RFID, it is characterized in that, comprising:
RFID electronic tag (3A-3E) is attached to monitoring objective (2A-2E) and goes up and store recognition coding;
Some groups of front monitoring front-ends, every group of front monitoring front-end comprise reader (20A-20E) and camera head (21A-21E) and have the front monitoring front-end numbering;
RFID Registration Module (22), the front monitoring front-end of each reader of corresponding stored (20A-20E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
Streaming Media processing module (23), the vision signal that each camera head (21A-21E) is taken generates corresponding multi-channel video stream medium data;
Target tracking module (24) is inquired about described RFID Registration Module (22) and judges wherein with recognition coding that the front monitoring front-end of each reader (20A-20E) is numbered corresponding storage whether changing in real time; And number the generation switching controls according to the front monitoring front-end that corresponding recognition coding changes and instruct;
Video frequency switching module (26) instructs the video stream media data of camera head generation that will be corresponding with described front monitoring front-end numbering to output to wireless communication module (25) according to described switching controls;
Wireless communication module (25) sends to control and monitor console with described video stream media data wireless.
Preferably, wherein, described RFID Registration Module (22) comprises the tabulation generation module, and described tabulation generation module generates the Query List of a corresponding stored front monitoring front-end numbering and recognition coding.
Preferably, wherein, described Streaming Media processing module (23) comprises multiplexer, and described multiplexer is multiplexed into the video stream media data that each camera head generates with the pairing front monitoring front-end numbering of each camera head (21A-21E) as additional data.
Preferably, wherein, described target tracking module (24) comprising: query unit (241), inquire about described RFID Registration Module (22) with certain frequency, and obtain each front monitoring front-end and number corresponding recognition coding; Target judging unit (242) judges that each front monitoring front-end numbers corresponding recognition coding and whether change; Switch control unit (243), the front monitoring front-end numbering that changes according to corresponding identification code generates described switching controls instruction.
Preferably, described video frequency switching module (16) comprises the Streaming Media filter.
On the other hand, the present invention also provides a kind of method for supervising based on RFID, it is characterized in that, comprising:
On monitoring objective (2A-2E), adhere to the RFID electronic tag (3A-3E) of storing recognition coding respectively;
In the monitoring place some groups of front monitoring front-ends are set, every group of front monitoring front-end comprises reader (20A-20E) and camera head (21A-21E) and have front monitoring front-end numbers;
The front monitoring front-end of each reader of corresponding stored (20A-20E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
The vision signal that each camera head (21A-21E) is taken generates corresponding multi-channel video stream medium data;
Obtain the recognition coding of the accompanying RFID electronic tag of tracked monitoring objective, and inquiry obtains the front monitoring front-end numbering of this recognition coding correspondence;
To control and monitor console wireless transmission and the corresponding video stream media data that camera head generated of front monitoring front-end numbering that obtain by inquiry.
Preferably, wherein, generate the front monitoring front-end numbering of tabulation each reader of corresponding stored (20A-20E) and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read.
On the other hand, the present invention also provides another kind of method for supervising based on RFID, it is characterized in that, comprising:
On monitoring objective (2A-2E), adhere to the RFID electronic tag (3A-3E) of storing recognition coding respectively;
In the monitoring place some groups of front monitoring front-ends are set, every group of front monitoring front-end comprises reader (20A-20E) and camera head (21A-21E) and have front monitoring front-end numbers;
The front monitoring front-end of each reader of corresponding stored (20A-20E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
The vision signal that each camera head (21A-21E) is taken generates corresponding multi-channel video stream medium data;
Whether inquiry in real time and judgement change with the recognition coding that the front monitoring front-end of each reader (20A-20E) is numbered corresponding storage; Extract the front monitoring front-end numbering that corresponding recognition coding changes;
To control and monitor console wireless transmission and the corresponding video stream media data of being extracted that camera head generated of front monitoring front-end numbering.
Preferably, wherein, generate the front monitoring front-end numbering of tabulation each reader of corresponding stored (20A-20E) and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read.
The present invention is based on the RFID technology and in closed-circuit television system, realize target tracking, can realize the automatic switchover of monitored picture and the automatic identification of monitoring objective, have with low costly compared to existing technology, be easy to realize, follow the trail of the high advantage of rapid accuracy rate; And can be convenient to the upgrading of existing supervisory control system by existing video monitoring system being installed additional the RFID electronic tag and reader is realized the present invention.
Description of drawings
Fig. 1 is the schematic diagram in the closed-circuit TV monitoring system monitoring place of the embodiment of the invention;
Fig. 2 is the overall structure schematic diagram of first embodiment of the invention;
Fig. 3 and Fig. 4 are the Query List schematic diagrames of the embodiment of the invention;
Fig. 5 is the concrete structure schematic diagram of the target tracking module of first embodiment of the invention;
Fig. 6 is the overall structure schematic diagram of second embodiment of the invention;
Fig. 7 is the concrete structure schematic diagram of the target tracking module of second embodiment of the invention.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
First embodiment
Fig. 1 is the schematic diagram that the monitoring place of closed-circuit TV monitoring system of the present invention has been installed.Wherein, the described monitoring of square frame 1 expression place, for example a warehouse or a parking lot.As figure, in monitoring place 1, has monitoring objective 2A-2C.The article of monitoring objective 2A-2C wherein, for example automobile parked of goods in the warehouse or parking lot for placing in the monitoring place 1.Above article adhere to RFID electronic tag 3A-3C respectively.Monitoring objective 2D and 2E are the personnel that occur in monitoring place 1, and the above persons also wear RFID electronic tag 3D and 3E respectively.For example, above electronic tag can be set on warehouse porter's work clothes, the personnel that the parking attendant also can require to enter the parking lot get or wear carries an above electronic tag.In RFID electronic tag 3A-3E, stored specific recognition coding, for example the bar code information of article or personnel the coding etc.; For convenience of description, suppose to store recognition coding 10001-10005 respectively among the RFID electronic tag 3A-3E in the present embodiment.
In monitoring place 1, the reader 10A-10E of several RFID electronic tags is set and several are used to monitor the camera head 11A-11E of shooting.As figure, wherein reader 10A and camera head 11A position are close to each other, and the two is one group of front monitoring front-end, and have common front monitoring front-end numbering.Reader 10B-10E also constitutes many groups front monitoring front-end close to each other with camera head 11B-11E respectively.For convenience of description, suppose that in the present embodiment five groups of front monitoring front-end numberings are respectively 001-005.Because the RFID electronic tag that reader can read has the certain distance restriction, camera head also has certain effective shooting distance, so, the position of respectively organizing front monitoring front-end can suitably be set, the effective coverage of respectively organizing front monitoring front-end is not overlapped each other and cover whole monitoring place 1.For example, in Fig. 1, monitoring objective 2A and monitoring objective 2D are in the coverage of the front monitoring front-end that reader 10A and camera head 11A formed, monitoring objective 2B is in the front monitoring front-end coverage simultaneously that front monitoring front-end that reader 10B and camera head 11B formed and reader 10C and camera head 11C formed, and monitoring objective 2C and monitoring objective 2E are in the coverage of the front monitoring front-end that reader 10D and camera head 11D formed.Certainly, also reader 10A-10E can be built into camera head 11A-11E inside.
Fig. 2 is based on the structural representation of the closed-circuit television system of RFID in the first embodiment of the invention.As figure, reader 10A-10E reads the interior RFID electronic tag of readable distance scope separately respectively, the recognition coding of storing in the acquisition RFID electronic tag, and be sent to RFID Registration Module 12.
The front monitoring front-end of each reader 10A-10E of RFID Registration Module 12 corresponding stored numbering and by the recognition coding of the RFID electronic tag that each reader read.For example, RFID Registration Module 12 can comprise a tabulation generation module (not shown), this tabulation generation module set up as shown in Figure 3 corresponding stored front monitoring front-end numbering and the Query List of recognition coding, comprise " front monitoring front-end numbering " and " recognition coding " in this tabulation.As indicated above, monitoring objective 2A and 2D are in the coverage of reader 10A, therefore the recognition coding in its RFID electronic tag 3A and the 3D is read device 10A and reads and send to RFID Registration Module 12, then in Query List with the front monitoring front-end of reader 10A numbering 001 and RFID electronic tag 3A that obtains from reader 10A and recognition coding 10001 and 10004 corresponding storages of 3D, as Fig. 3 Query List preceding two capable shown in.The recognition coding of other reader and corresponding RF ID electronic tag is corresponding stored similarly.Wherein, monitoring objective 2B is in reading within the distance of reader 10B and 10C simultaneously, thereby the recognition coding 10002 of RFID electronic tag 3B is stored accordingly with the front monitoring front-end numbering of reader 10B and 10C simultaneously.Effectively reading in the distance of reader 10E do not have monitoring objective, and therefore the recognition coding corresponding with it is stored as " NONE ".
Camera head 11A-11E takes and obtains the interior vision signal of its effective monitoring distance, and the vision signal that each camera head obtained is transferred to Streaming Media processing module 13 respectively.The vision signal of 13 couples of each camera head 11A-11E of Streaming Media processing module carries out mpeg encoded and the multiplexing Streaming Media that waits is handled, and generates respectively and the corresponding multi-channel video stream medium data of each camera head 11A-11E.For example, the Streaming Media processing module can comprise a multiplexer (not shown), each road video stream media data that the pairing front monitoring front-end of each camera head 11A-11E numbering 001-005 is multiplexed into each camera head respectively and is generated as additional data.
Target tracking module 14 obtains the accompanying corresponding recognition coding of RFID electronic tag on the tracked monitoring objective, utilizes this recognition coding to its corresponding front monitoring front-end numbering of RFID Registration Module 12 inquiries.Target tracking module 14 can receive the long-range trace instruction of sending of control and monitor console by wireless communication module 15, comprises the pairing recognition coding of monitoring objective in this instruction.For example, when needs are followed the trail of monitoring objective 2D, target tracking module 14 receives the long-range trace instruction of sending of control and monitor console and therefrom obtains the recognition coding 10004 of this target correspondence, inquires about Query List shown in Figure 3 and obtains its corresponding front monitoring front-end numbering 001.The front monitoring front-end numbering 001 that target tracking module 14 utilizes inquiry to obtain generates the switching controls instruction and sends video frequency switching module 16 to.As shown in Figure 5, the concrete structure of target tracking module 14 comprises that target obtains unit 141, query unit 142, switch control unit 143.Target obtains unit 141 and is used to obtain the corresponding recognition coding of RFID electronic tag accompanying on the monitoring objective, for example obtains this recognition coding by resolving described trace instruction; Query unit 142 is to the pairing front monitoring front-end numbering of RFID Registration Module 12 these recognition codings of inquiry; And switch control unit 143 is used for generating described switching controls instruction according to the front monitoring front-end numbering.
Video frequency switching module 16 is under the control of switching controls instruction, to number the video stream media data that 001 corresponding camera head 11A generates with the front monitoring front-end that target tracking module 14 inquiry obtains and output to wireless communication module 15, and then send to control and monitor console and shown with wireless mode.Video stream media data from other camera head are not then exported by video frequency switching module 15, to save wireless communication bandwidth.For example, video frequency switching module 16 can comprise the Streaming Media filter, and the video stream media data that only additional data comprised front monitoring front-end numbering 001 send to wireless communication module 15, and other video stream media data then are filtered and are not sent out.
By present embodiment, can carry out following method for supervising based on RFID, may further comprise the steps:
1. on monitoring objective 2A-2E, adhere to the RFID electronic tag 3A-3E that stores recognition coding respectively;
2. in the monitoring place some groups of front monitoring front-ends are set, every group of front monitoring front-end comprises reader 20A-20E and camera head 21A-21E and has the front monitoring front-end numbering;
3. the front monitoring front-end of each reader 20A-20E of corresponding stored numbering and by the recognition coding of the RFID electronic tag 3A-3E that each reader read; Can come corresponding stored each front monitoring front-end numbering and recognition coding with tabular form shown in Figure 3;
4. the vision signal that each camera head 21A-21E is taken generates corresponding multi-channel video stream medium data;
5. obtain tracked monitoring objective, the monitoring objective 2D that mentions in as mentioned, the recognition coding 10004 of accompanying RFID electronic tag, and inquiry obtains the front monitoring front-end numbering 001 of this recognition coding correspondence;
Number the video stream media data that 001 corresponding camera head 11A is generated to control and monitor console wireless transmission and the front monitoring front-end that obtains by inquiry.
In the present embodiment, the described Query List of RFID Registration Module 12 real-time update, for example walk out the coverage of reader 10A as monitoring objective 2D, and when entering in the coverage of reader 2E, Query List then shown in Figure 3 is a Query List shown in Figure 4 by real-time update.Target tracking module 13 obtains the current pairing front monitoring front-end numbering 005 of monitoring objective 2D and generates new switching controls instruction by the Query List after inquiry is upgraded in real time.Video frequency switching module 15 outputs to wireless communication module 14 with the video stream media data that corresponding camera head 11E generates under the control of this instruction, and be wirelessly sent to control and monitor console, then the monitoring image that is obtained by original camera head 11A in the display frame of control and monitor console this moment switches to the monitoring image that camera head 11E takes, thereby guarantees that monitoring objective 2D still comes across in the display frame.
As indicated above, monitoring objective 2B is in reading within the distance of reader 10B and 10C simultaneously, thereby in the Query List that RFID Registration Module 12 is generated, referring to Fig. 3, the recognition coding 10002 of RFID electronic tag 3B is stored accordingly with the front monitoring front-end numbering of reader 10B and 10C simultaneously.Correspondingly, when needs are followed the trail of monitoring objective 2B, 13 inquiries of target tracking module obtain two front monitoring front- end numberings 002 and 003, then the switching controls instruction of target tracking module 13 generations this moment can make 15 two-path video stream medium datas that generated with above two numberings corresponding camera head 11B and 11C of video frequency switching module output to wireless communication module 14, and sends to control and monitor console with wireless mode.Can show simultaneously with the form of " picture-in-picture " at the above two-path video stream medium data of control and monitor console, or regularly switch demonstration with certain frequency.
Certainly, carry out under the situation of tracing monitoring not needing, the video stream media data that video frequency switching module 15 is generated camera head 11A-11E with preset frequency output to wireless communication module 14 in turn and carry out wireless transmission, then can show the monitored picture that each camera head is taken in turn at control and monitor console like this, so that the monitor staff fullys understand the situation of guarded region.
Second embodiment
Fig. 6 is the structural representation based on the closed-circuit television system of RFID of second embodiment of the invention.As figure, in the present embodiment, described system comprises reader 20A-20E, camera head 21A-21E, RFID Registration Module 22, Streaming Media processing module 23, target tracking module 24, wireless communication module 25, and video frequency switching module 26.Working method with upper module is identical with first embodiment, repeats no more for the sake of simplicity.
The difference of second embodiment and first embodiment is that the described RFID Registration Module 22 of wherein said target tracking module 24 inquiry in real time also judges whether wherein number corresponding recognition coding with the front monitoring front-end of each reader 20A-20E changes; And, send video frequency switching module 26 to according to the front monitoring front-end numbering generation switching controls instruction that corresponding recognition coding changes.The structure of the target tracking module 24 of second embodiment comprises as shown in Figure 7: query unit 241, target judging unit 242, switch control unit 243.The Query List that query unit 241 is generated with RFID Registration Module 22 as described in certain frequency (as per second 1 time) inquiry, Query List for example shown in Figure 3, thus obtain corresponding separately recognition coding under each front monitoring front-end numbering 001-005.Target judging unit 242 judges whether the corresponding recognition coding of each front monitoring front-end numbering 001-005 changes; Target judging unit 242 can be preserved the result that last time, inquiry obtained, and compares with this Query Result and finishes above-mentioned judgement.For example, Query List shown in Figure 3 changes to Query List shown in Figure 4 in this inquiry, then target judging unit 242 can be by comparing twice Query Result, judge 001 time corresponding identification coding of front monitoring front-end numbering and be changed to 10001 by 10001 and 10004,005 time corresponding identification coding of front monitoring front-end numbering is changed to 10004 by NONE, and all the other front monitoring front-end numberings corresponding identification coding down do not change; Switch control unit 243 is by above-mentioned judged result, and the front monitoring front-end numbering 001 and 005 that changes according to corresponding identification code generates described switching controls instruction.Video frequency switching module 26 is under the control of this switching controls instruction, the video stream media data that the camera head 22A and the 22E of front monitoring front-end numbering 001 and 005 correspondence generated output to wireless communication module 25 and carry out wireless transmission, then are not output from the video stream media data of other camera head.Can show simultaneously with the form of " picture-in-picture " at the above two-path video stream medium data of control and monitor console, or regularly switch demonstration with certain frequency.
Certainly, under the situation that each front monitoring front-end numbering 001-005 corresponding identification coding of target judging unit 242 judgements does not all change, the video stream media data that video frequency switching module 25 is generated camera head 21A-21E with preset frequency output to wireless communication module 24 in turn and carry out wireless transmission, then can show the monitored picture that each camera head is taken in turn at control and monitor console like this, so that the monitor staff fullys understand the situation of guarded region.
By present embodiment, can carry out following method for supervising based on RFID, this method may further comprise the steps:
1. on monitoring objective 2A-2E, adhere to the RFID electronic tag 3A-3E that stores recognition coding respectively;
2. in the monitoring place some groups of front monitoring front-ends are set, every group of front monitoring front-end comprises reader 20A-20E and camera head 21A-21E and has the front monitoring front-end numbering;
3. the front monitoring front-end of each reader 20A-20E of corresponding stored is numbered and by the recognition coding of the RFID electronic tag 3A-3E that each reader read, can be stored with the form of Fig. 3 or tabulation shown in Figure 4;
4. the vision signal that each camera head 21A-21E is taken generates corresponding multi-channel video stream medium data;
5. inquire about in real time and judge and whether change with recognition coding that the front monitoring front-end of each reader 20A-20E is numbered corresponding storage; Extract the front monitoring front-end numbering that corresponding recognition coding changes, for example above mention 001 and 005
6. to control and monitor console wireless transmission and the corresponding video stream media data of being extracted that camera head generated of front monitoring front-end numbering.
The characteristics of second embodiment are to realize automatically the discovery and the tracking of monitoring objective, therefore go for places such as museum.Adhere to electronic tag on the historical relic that can put on display in the museum, historical relic is normally static not to be moved, and the system in this moment present embodiment is in normal monitor state, and control and monitor console can show the monitored picture that each camera head is taken in turn.Move and work as the historical relic occurrence positions, after moving to the coverage of other reader from the coverage of a reader, system in the present embodiment just can find that historical relic moves the variation of the Query List of initiation, and follow the trail of the related monitored picture that front monitoring front-end produced of demonstration Query List variation, watch historical relic illegally to be stolen thereby be convenient to the monitor staff by normal moving.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the closed-circuit television system based on RFID is characterized in that, comprising:
RFID electronic tag (3A-3E) is attached to monitoring objective (2A-2E) and goes up and store recognition coding;
Some groups of front monitoring front-ends, every group of front monitoring front-end comprise reader (10A-10E) and camera head (11A-11E) and have the front monitoring front-end numbering;
RFID Registration Module (12), the front monitoring front-end of each reader of corresponding stored (10A-10E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
Streaming Media processing module (13), the vision signal that each camera head (11A-11E) is taken generates corresponding multi-channel video stream medium data;
Target tracking module (14), obtain the recognition coding of the accompanying RFID electronic tag of tracked monitoring objective, and obtain the front monitoring front-end numbering of this recognition coding correspondence by inquiry RFID Registration Module (12), generate switching controls instruction according to this front monitoring front-end numbering;
Video frequency switching module (16) instructs the video stream media data of camera head generation that will be corresponding with described front monitoring front-end numbering to output to wireless communication module (15) according to described switching controls;
Wireless communication module (15) sends to control and monitor console with described video stream media data wireless.
2. closed-circuit television system according to claim 1 is characterized in that, described RFID Registration Module (12) comprises the tabulation generation module, and described tabulation generation module generates the Query List of a corresponding stored front monitoring front-end numbering and recognition coding.
3. closed-circuit television system according to claim 1 is characterized in that, described target tracking module (14) comprising: target obtains unit (141), obtains the recognition coding of RFID electronic tag accompanying on the tracked monitoring objective; Query unit (142) is inquired about the pairing front monitoring front-end numbering of this recognition coding to RFID Registration Module (12); Switch control unit (143) generates described switching controls instruction according to this front monitoring front-end numbering.
4. the closed-circuit television system based on RFID is characterized in that, comprising:
RFID electronic tag (3A-3E) is attached to monitoring objective (2A-2E) and goes up and store recognition coding;
Some groups of front monitoring front-ends, every group of front monitoring front-end comprise reader (20A-20E) and camera head (21A-21E) and have the front monitoring front-end numbering;
RFID Registration Module (22), the front monitoring front-end of each reader of corresponding stored (20A-20E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
Streaming Media processing module (23), the vision signal that each camera head (21A-21E) is taken generates corresponding multi-channel video stream medium data;
Target tracking module (24) is inquired about described RFID Registration Module (22) and judges wherein with recognition coding that the front monitoring front-end of each reader (20A-20E) is numbered corresponding storage whether changing in real time; And number the generation switching controls according to the front monitoring front-end that corresponding recognition coding changes and instruct;
Video frequency switching module (26) instructs the video stream media data of camera head generation that will be corresponding with described front monitoring front-end numbering to output to wireless communication module (25) according to described switching controls;
Wireless communication module (25) sends to control and monitor console with described video stream media data wireless.
5. closed-circuit television system according to claim 6 is characterized in that: described RFID Registration Module (22) comprises the tabulation generation module, and described tabulation generation module generates the Query List of a corresponding stored front monitoring front-end numbering and recognition coding.
6. closed-circuit television system according to claim 6 is characterized in that, described target tracking module (24) comprising: query unit (241), inquire about described RFID Registration Module (22) with certain frequency, and obtain each front monitoring front-end and number corresponding recognition coding; Target judging unit (242) judges that each front monitoring front-end numbers corresponding recognition coding and whether change; Switch control unit (243), the front monitoring front-end numbering that changes according to corresponding identification code generates described switching controls instruction.
7. the method for supervising based on RFID is characterized in that, comprising:
On monitoring objective (2A-2E), adhere to the RFID electronic tag (3A-3E) of storing recognition coding respectively;
In the monitoring place some groups of front monitoring front-ends are set, every group of front monitoring front-end comprises reader (20A-20E) and camera head (21A-21E) and have front monitoring front-end numbers;
The front monitoring front-end of each reader of corresponding stored (20A-20E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
The vision signal that each camera head (21A-21E) is taken generates corresponding multi-channel video stream medium data;
Obtain the recognition coding of the accompanying RFID electronic tag of tracked monitoring objective, and inquiry obtains the front monitoring front-end numbering of this recognition coding correspondence;
To control and monitor console wireless transmission and the corresponding video stream media data that camera head generated of front monitoring front-end numbering that obtain by inquiry.
8. method for supervising according to claim 7 is characterized in that, generates the front monitoring front-end numbering of tabulation each reader of corresponding stored (20A-20E) and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read.
9. the method for supervising based on RFID is characterized in that, comprising:
On monitoring objective (2A-2E), adhere to the RFID electronic tag (3A-3E) of storing recognition coding respectively;
In the monitoring place some groups of front monitoring front-ends are set, every group of front monitoring front-end comprises reader (20A-20E) and camera head (21A-21E) and have front monitoring front-end numbers;
The front monitoring front-end of each reader of corresponding stored (20A-20E) numbering and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read;
The vision signal that each camera head (21A-21E) is taken generates corresponding multi-channel video stream medium data;
Whether inquiry in real time and judgement change with the recognition coding that the front monitoring front-end of each reader (20A-20E) is numbered corresponding storage; Extract the front monitoring front-end numbering that corresponding recognition coding changes;
To control and monitor console wireless transmission and the corresponding video stream media data of being extracted that camera head generated of front monitoring front-end numbering.
10. method for supervising according to claim 9 is characterized in that, generates the front monitoring front-end numbering of tabulation each reader of corresponding stored (20A-20E) and by the recognition coding of the RFID electronic tag (3A-3E) that each reader read.
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