CN104349144B - A kind of method and device for differentiating scene and transmitting the monitor video true and false - Google Patents
A kind of method and device for differentiating scene and transmitting the monitor video true and false Download PDFInfo
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- CN104349144B CN104349144B CN201410634026.1A CN201410634026A CN104349144B CN 104349144 B CN104349144 B CN 104349144B CN 201410634026 A CN201410634026 A CN 201410634026A CN 104349144 B CN104349144 B CN 104349144B
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Abstract
The invention discloses a kind of method and device for differentiating scene and transmitting the monitor video true and false, including manufacture A compares code display board and B compares code display board, uses in groups；All set on two comparison code display boards and compare code display, the comparison code form of real-time display is identical；It is any in A comparison codes display board, B comparison code display boards to be placed in the monitored live position that camera lens is taken in by video camera；It is another to be placed in Control Room.According to present clock, it is to carry out a refresh operation every 2 seconds~30 seconds that decoder, which chooses a storage address,.Beneficial effects of the present invention are：Differentiate that the true and false of monitor video is transmitted at scene using the device of the present invention, once monitor video is rehearsed by criminal, the comparison code compared on code and independent display board then on computer display screen is just different, supervisor can judge that monitor video goes wrong immediately, or checked, or prepare alarm.
Description
Technical field
The present invention relates to the method and apparatus of monitoring, more particularly to differentiate that the method and dress of the monitor video true and false are transmitted in scene
Put.
Background technology
In the prior art, the region of guard key, storehouse, building, place all configured video monitorings, moreover, house
Cell, office building are also more and more common using video monitoring progress safety management.
Video monitoring has been the indispensable security means of today's society.
However, having the place of very high value for some, lawless people can spare no effort to enter by every means, and be
Enter these places, first have to solve is the problem of video monitoring can not alarm.
And problems with is there are in existing Video Supervision Technique, allow criminal to have an opportunity to take advantage of：
First, attacker draws monitoring client by being implanted into the modes such as virus, wooden horse in monitoring computers or other equipment
Face is the pseudo- monitored picture of non real-time safe period of time always, so that monitoring personnel can not learn the real feelings in monitored site
Condition；
2nd, attacker is by taking between wired connection or the wireless connection in camera and monitoring client by certain skill
Art means cause the pseudo- monitored picture that the monitored picture for being sent to monitoring client is non real-time safe period of time, so that monitoring personnel
The real situation in monitored site can not be learnt, it is impossible to accurate early warning.
Above drawback is that people think always, and open question, and even to this day, the technology of having no has breakthrough.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art and a kind of discriminating scene is provided and transmits the monitor video true and false
Method and device, the present invention makes the same comparison code display board in two pieces of principles, it is one of be placed on it is monitored
Scene, among taking in monitored picture by pick-up lens, transfer back on the computer display screen of Control Room, another piece is then placed directly in prison
Room is controlled, it is the same that two pieces, which compare the comparison code that code display board is changed over time and refreshed, so supervisor sees that computer is shown
The comparison code on that block plate on screen, and be placed directly in the comparison code of this block plate of Control Room, it should synchronously change over time and
Change, such as, changed to " 7C " from " 3A ", two boards change to " 7C " from " 3A " simultaneously, and this is normal.
Once being placed directly in the plate of Control Room, " 7C " is changed to from " 3A ", and that block plate on computer display screen is still
" 3A " is constant, and the display content of two boards is different, and this just illustrates that the monitor video that scene is transmitted has problem.
The present invention realizes by using following technical scheme.
Implement a kind of method for differentiating scene and transmitting the monitor video true and false, comprise the following steps：
S1, A comparison code display boards and B comparison code display boards are manufactured first；
S2 and then the setting comparison code display on A comparison code display boards and B comparison code display boards, shown comparison
Code form is identical；
S3 and then compare code display board and B in A and compare clock generator is set on code display board, by two clock generators
It is adjusted to time synchronisation；The clock generator output includes the clock data on second, minute, hour, date；
S4 and then the setting comparison code memory on A comparison code display boards and B comparison code display boards, compare the species of code
No less than 127 kinds；The comparison code order compared in code memory is deposited, but A compares code display board and B is compared on code display board
The two comparison code-phases compared in the identical address in code memory are same；
S5 and then the setting storage address decoder on A comparison code display boards and B comparison code display boards；By clock number
According to storage address decoder is input to, according to present clock data, decoder chooses a storage address, and by the address
Comparison code output；It is to carry out a refresh operation every 2 seconds~30 seconds that decoder, which chooses a storage address,；
S6 and then the setting comparison code display driver on A comparison code display boards and B comparison code display boards, the driver
Receive and compare the comparison code that code memory is sent, shown after processing on code display is compared；
S7 then A is compared into code display board, B compare in code display board it is any be placed in monitored scene can be by video camera
Take in the position of camera lens；It is placed in another in Control Room；
The content on monitored object and a comparison code display board is shown in S8, Control Room on computer monitor, simultaneously
Another comparison code display board also has display in Control Room, and then whether both person on duty comparisons are identical, sentence if both are identical
It is "true" to determine video, is continued to run with, and otherwise judges that video is "false", and alarmed.
The monitored live A comparison code display boards that are placed in described in step S7 are more than one.
Driver described in step S6, which receives, compares the comparison code that code memory is sent, and shows after processing on code display is compared
Show, display format includes numeral, character, at least one of figure.
A kind of device for differentiating scene and transmitting the monitor video true and false is manufactured and designed according to the above method, described device includes：
A compares code display board and B compares code display board, uses in groups；Comparison code is all set to show on two comparison code display boards
Show device, shown comparison code form is identical；
Clock generator is all set on two comparison code display boards, two clock generators are adjusted to time synchronisation；The clock
Generator exports the clock data for including second, minute, hour, date；
All set on two comparison code display boards and compare code memory, the species for comparing code is no less than 127 kinds；Compare code storage
Comparison code order in device is deposited, but identical in two comparison code memories on A comparison code display boards and B comparison code display boards
Comparison code-phase in address is same；
Storage address decoder is all set on two comparison code display boards；According to present clock data, storage address is translated
Code device chooses a storage address, and the comparison code of the address is exported；
All set on two comparison code display boards and compare code display driver, the driver receives comparison code memory and sent
Comparison code, after processing compare code display on show.
A compares code display board, B is compared and any in code display board be placed in monitored scene and can take in camera lens by video camera
Position；It is another to be placed in Control Room.
It is described according to present clock, decoder, which chooses a storage address, once to be refreshed every 2 seconds~30 seconds
Operation.
The content on monitored object and a comparison code display board is shown in Control Room on computer monitor, is monitored simultaneously
Indoor another comparison code display board also has display, and then whether both person on duty comparisons are identical, judge to regard if both are identical
Frequency is "true", is continued to run with, and otherwise judges that video is "false", and alarmed.
The A comparison code display boards for being placed in scene are at least one.
The display format compared on code display includes numeral, character, at least one of figure.
Beneficial effects of the present invention are：Differentiate that the true and false of monitor video is transmitted at scene using the device of the present invention, once
Monitor video is rehearsed by criminal, then the comparison code compared on code and independent display board on computer display screen is just different,
Supervisor can judge that monitor video goes wrong immediately, or be checked, or prepare alarm.
Brief description of the drawings
The present invention is further detailed below with accompanying drawing, but the embodiment in accompanying drawing is not formed to this hair
Bright any restrictions.
Fig. 1 is that the present invention differentiates that display board is placed at the scene in the live method and device for transmitting the monitor video true and false
Schematic diagram；
Fig. 2 is that the present invention differentiates that display board is placed in showing for Control Room in the live method and device for transmitting the monitor video true and false
It is intended to；
Fig. 3 is that the present invention differentiates that the electrical schematic diagram of the method and device embodiment one of the monitor video true and false is transmitted at scene；
Fig. 4 is that the present invention differentiates that the flow chart of the method and device of the monitor video true and false is transmitted at scene.
Embodiment
With reference to specific embodiment one, the present invention will be described.
As shown in Figure 1 to 4, implement a kind of method for differentiating scene and transmitting the monitor video true and false, comprise the following steps：
S1, A comparison codes display board 2 and B comparison codes display board 3 are manufactured first；
S2 and then the setting comparison code display on A comparison codes display board 2 and B comparison codes display board 3, shown ratio
It is identical to code form；
S3 and then compare code display board 2 in A and B is compared and set clock generator on code display board 3, two clocks are occurred
Device is adjusted to time synchronisation；The clock generator output includes the clock data on second, minute, hour, date；
S4 and then the setting comparison code memory on A comparison codes display board 2 and B comparison codes display board 3, compare the kind of code
Class is no less than 127 kinds；The comparison code order compared in code memory is deposited, but A compares code display board 2 and B compares code display board 3
On two compare code memories in identical address in comparison code-phases it is same；
S5 and then the setting storage address decoder on A comparison codes display board 2 and B comparison codes display board 3；By clock
Data input is to storage address decoder, and according to present clock data, decoder chooses a storage address, and by the ground
The comparison code output of location；It is to carry out a refresh operation every 2 seconds~30 seconds that decoder, which chooses a storage address,；
S6 and then the setting comparison code display driver on A comparison codes display board 2 and B comparison codes display board 3, the driving
Device, which receives, compares the comparison code that code memory is sent, and is shown after processing on code display is compared；
S7 then A is compared into code display board 2, B is compared and any in code display board 3 be placed in monitored scene and can be imaged
Machine 1 takes in the position of camera lens；It is placed in another in Control Room；
The content on monitored object and a comparison code display board is shown in S8, Control Room on computer monitor, simultaneously
Another comparison code display board also has display in Control Room, and then whether both person on duty comparisons are identical, sentence if both are identical
It is "true" to determine video, is continued to run with, and otherwise judges that video is "false", and alarmed.
The monitored live A comparison codes display board 2 that is placed in described in step S7 is more than one.
Driver described in step S6, which receives, compares the comparison code that code memory is sent, and shows after processing on code display is compared
Show, display format includes numeral, character, at least one of figure.
A kind of device for differentiating scene and transmitting the monitor video true and false is manufactured and designed according to the above method, described device includes：
A compares code display board 2 and B compares code display board 3, uses in groups；All set on two comparison code display boards and compare code
Display, shown comparison code form are identical；
Clock generator is all set on two comparison code display boards, two clock generators are adjusted to time synchronisation；The clock
Generator exports the clock data for including second, minute, hour, date；
All set on two comparison code display boards and compare code memory, the species for comparing code is no less than 127 kinds；Compare code storage
Comparison code order in device is deposited, but A compares the phase in two comparison code memories on code display board 2 and B comparison codes display board 3
It is same with the comparison code-phase in address；
Storage address decoder is all set on two comparison code display boards；According to present clock data, storage address is translated
Code device chooses a storage address, and the comparison code of the address is exported；
All set on two comparison code display boards and compare code display driver, the driver receives comparison code memory and sent
Comparison code, after processing compare code display on show.
A compares code display board 2, B is compared and any in code display board 3 be placed in monitored scene and can take in mirror by video camera 1
The position of head；It is another to be placed in Control Room.
It is described according to present clock, decoder, which chooses a storage address, once to be refreshed every 2 seconds~30 seconds
Operation.
The content on monitored object and a comparison code display board is shown in Control Room on computer monitor, is monitored simultaneously
Indoor another comparison code display board also has display, and then whether both person on duty comparisons are identical, judge to regard if both are identical
Frequency is "true", is continued to run with, and otherwise judges that video is "false", and alarmed.
The A for being placed in scene compares code display board 2 at least one, multiple scenes can be monitored with multiple video cameras 1, multiple
In scene, A can be set to compare code display board 2, in Control Room, also can has multiple computer display screens 20, or one
Multiple split screen are shown on big computer display screen 20.
The display format compared on code display includes numeral, character, at least one of figure.
As shown in figure 3, the figure is the electrical schematic diagram of the embodiment of the present invention one；Code display 31 is compared in embodiment one,
Using LED lattice displays, certainly, in other embodiment, the display can be LCD display, LED charactrons, etc.；
In embodiment one, compare code display driver 32 and formed using digital circuit and discrete component；Certainly, at other
In embodiment, the driver can be large scale integrated circuit, high-power IC, etc., and the task that they are completed is the same
's；
In embodiment one, for clock generator 33 using DS1302 chips, the clock chip that can be used is a lot,
This is not enumerated；
In embodiment one, compare code memory 34 and use K9F2G08 chips, capacity is
The bit of 256M 8, certainly, in other embodiment, the capacity of the memory is not major issue, so choosing
It is inessential to select any memory, it is important that the comparison code-phase being stored in identical address is same.
For identical memory, identical comparison code is stored in identical address and belongs to prior art, can be had a lot
Kind of method is realized, pardons not repeat herein.
In embodiment one, storage address decoder 35 is formed using single-chip microcomputer, and this is a kind of most economical, simple, real
Design, single-chip microcomputer can use the compatible MCU of 8051 series, and other certain serial single-chip microcomputers are similarly competent at this
Business, therefore, can MCU models it is very more, do not repeat one by one for this reason；Certainly, in other embodiment, the storage address
Decoder can use dedicated decoders, and but, it is hell to pay really to build address decoder with digital circuit；
In embodiment one, clock data is issued storage address decoder 35 by clock generator 33, because from clock
The minimum data that generator 33 takes out are second datas, and in embodiments of the invention one, number of seconds is different, pointed storage address
Also it is different.
If supervisor observes computer display screen 20 and independent display board 3 to be suitable with 2~5 seconds back and forth, then this hair
Bright comparison code, which is shown, to be refreshed once with every 3 seconds, and in being put in order at least 127, be not in adjacent or similar
It is identical to compare code, that is to say, that comparing code within every 3 seconds must update.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (6)
- A kind of 1. method for differentiating scene and transmitting the monitor video true and false, it is characterised in that methods described includes step：S1, A comparison code display boards are manufactured first（2）Code display board is compared with B（3）；S2 then A compare code display board（2）Code display board is compared with B（3）Upper set compares code display, shown ratio It is identical to code form；S3 then A compare code display board（2）Code display board is compared with B（3）Upper setting clock generator, two clocks are occurred Device is adjusted to time synchronisation；The clock generator output includes the clock data on second, minute, hour, date；S4 then A compare code display board（2）Code display board is compared with B（3）Upper set compares code memory, compares the kind of code Class is no less than 127 kinds；The comparison code order compared in code memory is deposited, but A compares code display board（2）Code is compared with B to show Plate（3）On two compare code memories in identical address in comparison code-phases it is same；S5 then A compare code display board（2）Code display board is compared with B（3）Upper setting storage address decoder；By clock Data input is to storage address decoder, and according to present clock data, decoder chooses a storage address, and by the ground The comparison code output of location；It is to carry out a refresh operation every 2 seconds~30 seconds that decoder, which chooses a storage address,；S6 then A compare code display board（2）Code display board is compared with B（3）Upper set compares code display driver, the driving Device, which receives, compares the comparison code that code memory is sent, and is shown after processing on code display is compared；S7 then by A compare code display board（2）, B compare code display board（3）In any be placed in monitored scene and can be imaged Machine（1）Take in the position of camera lens；It is placed in another in Control Room；The content on monitored object and a comparison code display board is shown in S8, Control Room on computer monitor, is supervised simultaneously The indoor another comparison code display board of control also has display, and then whether both person on duty comparisons are identical, judge if both are identical Video is "true", is continued to run with, and otherwise judges that video is "false", and alarmed.
- 2. the method according to claim 1 for differentiating scene and transmitting the monitor video true and false, it is characterised in that described in step S7 The monitored live A that is placed in compare code display board（2）For more than one.
- 3. the method according to claim 1 for differentiating scene and transmitting the monitor video true and false, it is characterised in that described in step S6 Driver, which receives, compares the comparison code that code memory is sent, and is shown after processing on code display is compared, display format includes number Word, character, at least one of figure.
- 4. a kind of device for differentiating scene and transmitting the monitor video true and false, it is characterised in that described device includes：A compares code display board（2）Code display board is compared with B（3）, use in groups；All set on two comparison code display boards and compare code Display, shown comparison code form are identical；Clock generator is all set on two comparison code display boards, two clock generators are adjusted to time synchronisation；The clock occurs Device exports the clock data for including second, minute, hour, date；All set on two comparison code display boards and compare code memory, the species for comparing code is no less than 127 kinds；Compare in code memory Comparison code order deposit, but A compare code display board（2）Code display board is compared with B（3）On two compare code memories in phase It is same with the comparison code-phase in address；Storage address decoder is all set on two comparison code display boards；According to present clock data, storage address decoder A storage address is chosen, and the comparison code of the address is exported；Decoder choose a storage address be every 2 seconds~ Carry out a refresh operation within 30 seconds；All set on two comparison code display boards and compare code display driver, the driver, which receives, compares the ratio that code memory is sent To code, shown after processing on code display is compared；A compares code display board（2）, B compare code display board（3）In it is any be placed in by The scene of monitoring can be by video camera（1）Take in the position of camera lens；It is another to be placed in Control Room；The content on monitored object and a comparison code display board is shown in Control Room on computer monitor, while in Control Room Another comparison code display board also has display, and then person on duty compares whether both are identical, and judgement video is if both are identical "true", continue to run with, otherwise judge that video is "false", and alarmed.
- 5. the device according to claim 4 for differentiating scene and transmitting the monitor video true and false, it is characterised in that be placed in scene A compares code display board（2）At least one.
- 6. the device according to claim 4 for differentiating scene and transmitting the monitor video true and false, it is characterised in that compare code and show Display format on device includes numeral, character, at least one of figure.
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| CN201410634026.1A CN104349144B (en) | 2014-11-12 | 2014-11-12 | A kind of method and device for differentiating scene and transmitting the monitor video true and false |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410634026.1A CN104349144B (en) | 2014-11-12 | 2014-11-12 | A kind of method and device for differentiating scene and transmitting the monitor video true and false |
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| CN104349144B true CN104349144B (en) | 2017-12-29 |
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| CN109040694B (en) * | 2018-09-01 | 2021-01-12 | 曾桂凤 | System and method for synchronizing and preventing multiple video images from being tampered |
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