CN109600172A - A kind of full the Calculation of Optical Path machine vision system based on quantum communications - Google Patents
A kind of full the Calculation of Optical Path machine vision system based on quantum communications Download PDFInfo
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- CN109600172A CN109600172A CN201810707907.XA CN201810707907A CN109600172A CN 109600172 A CN109600172 A CN 109600172A CN 201810707907 A CN201810707907 A CN 201810707907A CN 109600172 A CN109600172 A CN 109600172A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 62
- 238000004891 communication Methods 0.000 title claims abstract description 37
- 238000004364 calculation method Methods 0.000 title claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000013139 quantization Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/70—Photonic quantum communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
- H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
The invention belongs to computer vision system domain variabilities to disclose a kind of full the Calculation of Optical Path machine vision system based on quantum communications, including several quantum information sources and optical exchanger, preamplifier, optical fiber transport channel, power amplifier, quantum communications server, first key transceiver machine, quantum demodulator, photoelectric converter and storage server, quantum information source includes optical camera, Quantum modulator and first key transceiver machine；Optical camera is connect with optical exchanger, first key transceiver machine is connect with preamplifier, and preamplifier, optical fiber transport channel, power amplifier, quantum communications server, first key transceiver machine, quantum demodulator, photoelectric converter and storage server are sequentially connected.Present system security performance is good, information is not easy to be stolen；Its structure is simple simultaneously, has very cheap cost, convenient for safeguarding simple；And the transmission loss of optical signal is low, can carry out long distance transmission.
Description
Technical field
The present invention relates to computer vision system technical field more particularly to a kind of full the Calculation of Optical Path based on quantum communications
Machine vision system.
Background technique
Quantum communications refer to a kind of novel communication modes that information transmitting is carried out using entangled quantum effect.Quantum communication
It is the new interdisciplinary that recent two decades grow up, is quantum theory and the new research field that information theory combines.Quantum is logical
Letter relates generally to: quantum cryptography communication, quantum remotely pass state and quantum dense coding etc., this recent subject is gradually from theory
Experiment is moved towards, and is developed to functionization.The information transmission of highly effective and safe is increasingly subject to the concern of people.Based on quantum-mechanical base
Present principles, and therefore become the research hotspot of quantum physics and information science in the world.
Computer based vision system has been widely used in all trades and professions in the prior art, such as safety monitoring,
Video record storage, video identification etc., then existing computer based vision system is all to acquire signal using video camera,
And electric signal is converted a signal into, it is transmitted outward by electrical transmission media；That there are security performances is poor for the transmission mode of the prior art,
It is easy to steal secret defect, while electrical transmission media haves the defects that expensive, maintenance is complicated, loss is high, and these are lacked
It falls into be transmitted with light quantum signal and be avoided.In consideration of it, how to provide a kind of security performance is good, be not easy to be stolen, at
The full the Calculation of Optical Path machine vision system based on quantum communications that this is cheap, maintenance is simple, loss of signal is low and is transmitted by light
System is the problem that those skilled in the art need to solve.
Summary of the invention
For above-mentioned shortcoming in the prior art, that the present invention provides a kind of security performances is good, be not easy to be stolen, at
The full the Calculation of Optical Path machine vision system based on quantum communications that this is cheap, maintenance is simple, loss of signal is low and is transmitted by light
System.
The present invention using following technical scheme in order to solve the above technical problems, realized:
A kind of full the Calculation of Optical Path machine vision system based on quantum communications is designed, including several quantum information sources and light are handed over
Parallel operation, preamplifier, optical fiber transport channel, power amplifier, quantum communications server, the second key transceiver machine, amount
Sub- demodulator, photoelectric converter and storage server；The quantum information source includes optical camera, Quantum modulator and
One key transceiver machine, the optical camera is for acquiring optical visual signal, the Quantum modulator and optics
Camera connection, the optical visual signal that Quantum modulator is used to receive optical camera carry out quantization modulation, obtain
Light quantity subsignal, the first key transceiver machine are connect with Quantum modulator, first key transceiver machine for pair
Modulated later light quantity subsignal carries out quantum cryptography；The first key transceiver machine is also connect with optical exchanger,
The optical exchanger, which is used to handle quantum cryptography later light quantity subsignal, carries out physics addressing；The optical exchanger with
Preamplifier connection, the preamplifier are connect with optical fiber transport channel, and the preamplifier will be for that will address
The light quantity subsignal of completion carries out power amplification and transmits outward through optical fiber transport channel；The optical fiber transport channel and power
Amplifier connection, the power amplifier are connect with quantum communications server, and the quantum communications server is for distributing
Quantum information source, optical exchanger are up to the transmission link between power amplifier；The quantum communications server and the second key
The connection of transceiver machine, the signal that the second key transceiver machine is used to encrypt first key transceiver machine carry out
Quantum decryption, obtains decrypting later light quantity subsignal；The quantum demodulator is connect with the second key transceiver machine, institute
The later light quantity subsignal of the decryption that the quantum demodulator stated is used to receive carries out demodulation process；The photoelectric converter
It being connect with quantum demodulator, the photoelectric converter is used to demodulated later light quantity subsignal being converted into digital signal,
The photoelectric converter is also connect with storage server, and the storage server is for storing the digital signal received.
Preferably, the optical fiber transport channel be equipped with several be used for amplified signal relay amplifier, it is described in
It is equal after the spacing between amplifier, for carrying out power amplification to the light quantity subsignal in transmission process.
Preferably, the first key transceiver machine between photoelectric converter by optical fiber to being attached.
Preferably, the electric signal of the photoelectric converter output also passes through filtering, amplification, except at dry and analog-to-digital conversion
Reason.
A kind of full the Calculation of Optical Path machine vision system based on quantum communications proposed by the present invention, beneficial effect are:
(1) present system acquires optical visual signal using optical camera, is modulated processing by Quantum modulator
Light quantity subsignal is obtained, then quantum cryptography is carried out by first key transceiver machine, then via optical exchanger, preposition amplification
Into quantum communications server, present system whole process creatively passes through for device, optical fiber transport channel, power amplifier transfer
Optical signal transmits information outward, has the difference of essence compared with the prior art transmits information outward by electric signal；Meanwhile it adopting
It is transmitted in optical fiber transport channel with light quantum signal, is effectively simplified transmission medium, reduce transmission cost, signal declines
The rate of deceleration and the distortion factor, improve transmission range；In addition, present system is encrypted using key all-in-one machine, effectively
A possibility that improving the safety of information transmission, reducing leakage of information；
(2) present system is transmitted using light quantity subsignal, and cipher mode compared with the prior art has can not
The safety advantages of analogy can be widely applied to safety monitoring, secrecy industry, and be widely used prospect；
(3) present system security performance is good, information is not easy to be stolen；Its structure is simple simultaneously, has very cheap
It is cost, convenient for safeguarding simple；Fiber transmission attenuation is low simultaneously, can carry out long distance transmission.
Detailed description of the invention
The present invention is described in further detail for embodiment in reference to the accompanying drawing, but does not constitute to of the invention
Any restrictions.
Fig. 1 is the structural schematic diagram of present system.
In figure: quantum information source 1, optical exchanger 2, preamplifier 3, optical fiber transport channel 4, power amplifier 5, quantum are logical
Telecommunications services device 6, the second key transceiver machine 7, quantum demodulator 8, photoelectric converter 9, storage server 10, optical camera
11, Quantum modulator 12, first key transceiver machine 13, relay amplifier 14.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
Refering to shown in attached drawing 1, a kind of full the Calculation of Optical Path machine vision system based on quantum communications of the invention, including it is several
A quantum information source 1 and optical exchanger 2, preamplifier 3, optical fiber transport channel 4, power amplifier 5, quantum communications server
6, the second key transceiver machine 7, quantum demodulator 8, photoelectric converter 9 and storage server 10；The quantum information source 1 is wrapped
Optical camera 11, Quantum modulator 12 and first key transceiver machine 13 are included, the optical camera 11 is for adopting
Collect optics visual signal, the Quantum modulator 12 is connect with optical camera 11, and Quantum modulator 12 is for taking the photograph optics
The optical visual signal received as first 11 carries out quantization modulation, obtains light quantity subsignal, the first key transmitting-receiving one
Body machine 13 is connect with Quantum modulator 12, and first key transceiver machine 13 is used to carry out modulated later light quantity subsignal
Quantum cryptography；The first key transceiver machine 13 is also connect with optical exchanger 2, and the optical exchanger 2 is used for amount
The later light quantity subsignal of sub- encryption carries out physics addressing；The optical exchanger 2 is connect with preamplifier 3, described
Preamplifier 3 connect with optical fiber transport channel 4, the preamplifier 3 be used for will address completion light quantity subsignal
It carries out power amplification and is transmitted outward through optical fiber transport channel 4；The optical fiber transport channel 4 is connect with power amplifier 5, institute
The power amplifier 5 stated is connect with quantum communications server 6, the quantum communications server 6 for sendout component source 1,
Optical exchanger 2 is up to the transmission link between power amplifier 5；The quantum communications server 6 and the second key transmitting-receiving one
Body machine 7 connects, and the second key transceiver machine 7 is used for the signal amount of progress encrypted to first key transceiver machine 13
Subsolution is close, obtains decrypting later light quantity subsignal；The quantum demodulator 8 is connect with the second key transceiver machine 7, institute
The later light quantity subsignal of the decryption that the quantum demodulator 8 stated is used to receive carries out demodulation process；The photoelectric conversion
Device 9 is connect with quantum demodulator 8, and the photoelectric converter 9 is used to demodulated later light quantity subsignal being converted into number
Signal, the photoelectric converter 9 also connect with storage server 10, and the storage server 10 is used to store to receive
Digital signal, the optical fiber transport channel 4 are equipped with several relay amplifiers 14 for being used for amplified signal, and the relaying is put
Spacing between big device 14 is equal, for carrying out power amplification, the first key to the light quantity subsignal in transmission process
Transceiver machine 13 is attached by optical fiber between photoelectric converter 9, and the electric signal that the photoelectric converter 9 exports is also
By filtering, amplification, remove dry and analog-to-digital conversion process.
Working principle: full the Calculation of Optical Path machine vision system of the invention is equipped with optical camera in the terminal of quantum information source 1
11, Quantum modulator 12 and first key transceiver machine 13, optical camera 11 acquire optical visual signal, Quantum modulator
12 pairs of optical visual signals carry out quantization modulation, obtain light quantity subsignal, and first key transceiver machine 13 is used for light
Quantum signal carries out quantum cryptography, it is ensured that the safety of signal during subsequent transmission, the light quantity subsignal after quantum cryptography
It is transferred in optical exchanger 2, carries out physics addressing by 2 pairs of optical exchanger different optical cameras 11, and later by addressing
Light quantity subsignal is transmitted after setting 3 enhanced processing of amplifier before menstruation by optical fiber transport channel 4 outward；And it is arranged and is passed in optical fiber
The power amplifier 5 of defeated 4 other end of channel amplifies processing to the signal received, then the signal that enhanced processing is later
It is transferred in quantum communications server 6, and the quantum communications server 6 of present system mainly puts optical exchanger 2 to power
Communication link is established between big device 5, communication link is distributed to different quantum information sources 1；Finally, being transmitted to quantum communications service
Quantum decryption, the demodulation process of quantum demodulator 8 and photoelectricity of the light quantity subsignal of device 6 through the second key transceiver machine 7
Become digital signal after the conversion of converter 9, obtained digital signal is just stored in storage server 10.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (4)
1. a kind of full the Calculation of Optical Path machine vision system based on quantum communications, which is characterized in that including several quantum information sources (1)
And optical exchanger (2), preamplifier (3), optical fiber transport channel (4), power amplifier (5), quantum communications server
(6), the second key transceiver machine (7), quantum demodulator (8), photoelectric converter (9) and storage server (10)；Described
Quantum information source (1) includes optical camera (11), Quantum modulator (12) and first key transceiver machine (13), described
For acquiring optical visual signal, the Quantum modulator (12) is connect optical camera (11) with optical camera (11),
The optical visual signal that Quantum modulator (12) is used to receive optical camera (11) carries out quantization modulation, obtains light quantity
Subsignal, the first key transceiver machine (13) are connect with Quantum modulator (12), first key transceiver machine
(13) for carrying out quantum cryptography to modulated later light quantity subsignal；The first key transceiver machine (13) also with
Optical exchanger (2) connection, the optical exchanger (2), which is used to handle quantum cryptography later light quantity subsignal, carries out physics volume
Location；The optical exchanger (2) is connect with preamplifier (3), the preamplifier (3) and optical fiber transport channel (4)
Connection, the preamplifier (3) are used to address the light quantity subsignal completed and carry out power amplification and transmit through optical fiber logical
It transmits outward in road (4)；The optical fiber transport channel (4) is connect with power amplifier (5), the power amplifier (5) with
Quantum communications server (6) connection, the quantum communications server (6) are used for sendout component source (1), optical exchanger (2)
Until the transmission link between power amplifier (5)；The quantum communications server (6) and the second key transceiver machine
(7) it connects, the signal that the second key transceiver machine (7) is used to encrypt first key transceiver machine (13) carries out
Quantum decryption, obtains decrypting later light quantity subsignal；The quantum demodulator (8) and the second key transceiver machine (7)
Connection, the later light quantity subsignal of the decryption that the quantum demodulator (8) is used to receive carry out demodulation process；Described
Photoelectric converter (9) is connect with quantum demodulator (8), and the photoelectric converter (9) is used for demodulated later light quantum
Signal is converted into digital signal, and the photoelectric converter (9) is also connect with storage server (10), the storage server
(10) for storing the digital signal received.
2. a kind of full the Calculation of Optical Path machine vision system based on quantum communications according to requiring 1, which is characterized in that described
Optical fiber transport channel (4) be equipped with several be used for amplified signal relay amplifier (14), the relay amplifier (14) it
Between spacing it is equal, for in transmission process light quantity subsignal carry out power amplification.
3. a kind of full the Calculation of Optical Path machine vision system based on quantum communications according to requiring 1, which is characterized in that described
First key transceiver machine (13) is attached by optical fiber between photoelectric converter (9).
4. a kind of full the Calculation of Optical Path machine vision system based on quantum communications according to requiring 1, which is characterized in that the light
The electric signal of electric transducer (9) output also passes through filtering, amplification, except dry and analog-to-digital conversion process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810707907.XA CN109600172A (en) | 2018-07-02 | 2018-07-02 | A kind of full the Calculation of Optical Path machine vision system based on quantum communications |
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| CN201810707907.XA CN109600172A (en) | 2018-07-02 | 2018-07-02 | A kind of full the Calculation of Optical Path machine vision system based on quantum communications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022126611A (en) * | 2021-02-18 | 2022-08-30 | テラ クアンタム アーゲー | Long-distance quantum key distribution |
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| CN106658238A (en) * | 2016-10-28 | 2017-05-10 | 北京邮电大学 | Multi-granularity quantum switching node architecture for quantum communication |
| CN107306248A (en) * | 2016-04-19 | 2017-10-31 | 广东国盾量子科技有限公司 | A kind of light quantum interchanger and its communication means |
| CN107767671A (en) * | 2017-12-07 | 2018-03-06 | 东莞职业技术学院 | A kind of traffic information collection management system based on quantum communication |
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2018
- 2018-07-02 CN CN201810707907.XA patent/CN109600172A/en active Pending
Patent Citations (5)
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| CN102227101A (en) * | 2011-06-23 | 2011-10-26 | 安徽量子通信技术有限公司 | Light quantum communication networking structure based on quantum centralized control stations and communication method thereof |
| CN203912078U (en) * | 2014-02-28 | 2014-10-29 | 山东量子科学技术研究院有限公司 | Quantum safety video conference system |
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| CN106658238A (en) * | 2016-10-28 | 2017-05-10 | 北京邮电大学 | Multi-granularity quantum switching node architecture for quantum communication |
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| JP2022126611A (en) * | 2021-02-18 | 2022-08-30 | テラ クアンタム アーゲー | Long-distance quantum key distribution |
| JP7430926B2 (en) | 2021-02-18 | 2024-02-14 | テラ クアンタム アーゲー | Long distance quantum key distribution |
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