Disclosure of Invention
The invention aims to provide a single photon photographic camera, which aims to solve the technical problem of safety in the data transmission process in the prior art.
In order to achieve the above object, the present invention provides a single photon photographing camera, comprising an imaging array, wherein the imaging array is composed of a plurality of photon detectors, and is used for capturing photon signals from different spatial positions at the same time and recording the spatial and temporal information of photons;
the system also comprises a signal processing unit, a control unit, a storage unit, an encryption transmission unit and a reading authentication unit;
the signal processing unit is used for processing the original signal from the imaging array and converting the original signal into identifiable image data;
The control unit is used for controlling and coordinating the whole system, monitoring the running state of the system and ensuring the stability and reliability of the system;
the storage unit is used for storing the image data processed by the signal processing unit;
The encryption transmission unit is used for encrypting and transmitting the data in the storage unit to external equipment;
the reading authentication unit is used for performing authentication unlocking when reading image data.
The signal processing unit comprises a signal preliminary processing module, a digital signal processing module, a controller and an interface circuit;
the signal preliminary processing module is used for preliminary preprocessing of the data information of the imaging array;
the digital signal processing module is used for further processing the digital signal converted by the signal preliminary processing module;
the controller controls and coordinates the processing flow of the signal processing unit to ensure accurate transmission of data;
The interface circuit is used for connecting the signal preliminary processing module and the controller with the control unit.
The signal primary processing module comprises a signal amplifying circuit, a filtering circuit and an analog-to-digital converter;
The signal amplifying circuit amplifies weak electric signals output by each photon detector in the imaging array, so that a subsequent circuit is easier to process and identify;
the filter circuit is used for carrying out filter processing on the amplified signals, removing high-frequency noise and interference signals and improving the signal-to-noise ratio of the signals;
The analog-to-digital converter further processes the converted digital signal to perform denoising, enhancement and image reconstruction.
The encryption transmission unit comprises an encryption algorithm processor, a secret key management module and an encryption interface;
The encryption algorithm processor is used for carrying out encryption processing on the data in the storage unit;
The key management module is responsible for generating, storing, distributing and updating keys, improves the safety, reliability and flexibility of the encryption transmission unit, and is suitable for different scene requirements;
The encryption interface is responsible for transmitting the encrypted image data and information to an external device or network.
The storage unit comprises a memory, a data interface, an FPGA and a power supply;
the memory is used for storing image data, system configuration information and logs, and ensuring the integrity and reliability of the image data;
the data interface is responsible for transmitting the data information in the memory to external equipment;
the FPGA is responsible for coordinating the work between the memory and the data interface;
The power supply is used for providing stable power supply for the memory and reasonably distributing electric energy in different working modes.
The control unit comprises a main control module, a trigger signal generator, a synchronous controller, a data acquisition unit and a communication interface;
the main control module is responsible for operation control and state monitoring of the whole control unit;
the trigger signal generator is used for controlling the starting working time and the exposure time of the photon detector;
the synchronous controller is responsible for coordinating synchronous work among all modules and ensuring synchronous sampling and processing of data;
The data acquisition device acquires the speed and the resolution and transmits acquired data to the corresponding main control module;
the communication interface is used for carrying out communication docking with external equipment and a system, so that data exchange and remote control are facilitated.
The control unit further comprises an alarm module and an interaction module;
The alarm module monitors the states of all parts of the system in real time so as to ensure the safe operation of the system and timely fault treatment;
the interaction module is used for providing an operation section and an interaction mode for a user, so that the user can control the system and view results conveniently.
According to the single photon photographic camera, photon signals of different spatial positions are captured through the imaging array, the space and time of the photon signals are recorded, the captured photon signals are processed through the signal processing unit, original signals are converted into identifiable image data, the converted image data are coordinated through control of the control unit and stored in the storage unit, when the image data in the storage unit are required to be transmitted to external equipment or a network, identification and authentication are carried out on the identity of an operator through the reading authentication unit, after the identity authentication is correct, the encryption transmission unit carries out encryption transmission on the selected image data, so that safety and stability of the image data in the transmission process are guaranteed, data leakage is prevented, system safety is improved, and data compliance is promoted.
Detailed Description
Referring to fig. 1 to 6, fig. 1 is a system diagram of a single photon photographing camera of the present invention, fig. 2 is a system diagram of a signal processing unit of the present invention, fig. 3 is a system diagram of a control unit of the present invention, fig. 4 is a system diagram of an encryption transmission unit of the present invention, fig. 5 is a system diagram of a read authentication unit of the present invention, and fig. 6 is a system diagram of a storage unit of the present invention.
The invention provides a single photon photographic camera, which comprises an imaging array 1, a plurality of imaging units and a plurality of imaging units, wherein the imaging array 1 is composed of a plurality of photon detectors and is used for capturing photon signals from different space positions simultaneously and recording space and time information of photons;
the system also comprises a signal processing unit 2, a control unit 3, a storage unit 4, an encryption transmission unit 5 and a reading authentication unit 6;
the signal processing unit 2 is used for processing the original signal from the imaging array 1 and converting the original signal into identifiable image data;
the control unit 3 is used for controlling and coordinating the whole system, monitoring the running state of the system and ensuring the stability and reliability of the system;
The storage unit 4 is used for storing the image data processed by the signal processing unit 2;
The encryption transmission unit 5 is used for encrypting and transmitting the data in the storage unit 4 to external equipment;
the read authentication unit 6 is used for performing authentication unlocking when reading image data.
In this embodiment, the imaging array 1 captures photon signals at different spatial positions, records the space and time of the photon signals, processes the captured photon signals through the signal processing unit 2, converts the original signals into identifiable image data, coordinates the converted image data through the control of the control unit 3, stores the image data in the storage unit 4, and when the image data in the storage unit 4 is required to be transmitted to an external device or a network, performs identification and authentication on the identity of an operator through the reading authentication unit 6, and performs encryption transmission on the selected image data by the encryption transmission unit 5 after the identity authentication is correct.
Further, the signal processing unit 2 comprises a signal preliminary processing module 7, a digital signal processing module 8, a controller 9 and an interface circuit 10;
the signal preliminary processing module 7 is used for preliminary preprocessing of the data information of the imaging array 1;
the digital signal processing module 8 is used for further processing the digital signal converted by the signal primary processing module 7;
The controller 9 controls and coordinates the processing flow of the signal processing unit 2 to ensure accurate transmission of data;
The interface circuit 10 is used to connect the signal processing module 7 and the controller 9 to the control unit 3.
In this embodiment, the signal preliminary processing module 7 performs preliminary preprocessing on the data of the imaging array 1, the digital signal processing module 8 further processes the preprocessed data, the controller 9 performs coordinated control during the processing, and the interface circuit 10 is connected to an external device.
Further, the signal preliminary processing module 7 includes a signal amplifying circuit 11, a filter circuit 12 and an analog-to-digital converter 13;
the signal amplifying circuit 11 amplifies the weak electric signal output by each photon detector in the imaging array 1, so that the subsequent circuit is easier to process and identify;
the filter circuit 12 is used for filtering the amplified signal, removing high-frequency noise and interference signals and improving the signal-to-noise ratio of the signal;
the analog-to-digital converter 13 further processes the converted digital signal for denoising, enhancement and image reconstruction.
In the embodiment, the weak electric signal output by each photon detector is preprocessed in a signal amplification, filtering and analog-to-digital conversion mode, so that the signal-to-noise ratio of the signal is improved, and denoising, enhancement and image reconstruction are performed.
Further, the encryption transmission unit 5 includes an encryption algorithm processor 14, a key management module 15, and an encryption interface 16;
the encryption algorithm processor 14 is configured to encrypt data in the storage unit 4;
The key management module 15 is responsible for generating, storing, distributing and updating the key, so as to improve the security, reliability and flexibility of the encryption transmission unit 5, and adapt to different scene requirements;
The encryption interface 16 is responsible for transmitting the encrypted image data and information to an external device or network.
In this embodiment, the encryption algorithm processor 14 encrypts the image data to be transmitted, the key management module 15 stores the image data and the key corresponding to the image data, and the encrypted image data is transmitted to an external device or an external network through the encryption interface 16.
Further, the storage unit 4 comprises a memory 17, a data interface 18, an FPGA19 and a power supply 20;
The memory 17 is used for storing image data, system configuration information and logs, and ensuring the integrity and reliability of the image data;
the data interface 18 is responsible for transmitting the data information in the memory 17 to an external device;
the FPGA19 is responsible for coordinating the work between the memory 17 and the data interface 18;
The power supply 20 is responsible for providing a stable power supply to the memory 17 and for enabling a reasonable distribution of electrical energy in different modes of operation.
In this embodiment, the FPGA19 regulates the memory 17, the data interface 18 and the power supply 20, and the power supply 20 supplies power to the FPGA19, the memory 17 and the data interface 18, and the memory 17 stores image data and can transfer out data in the memory 17 through the data interface 18.
Further, the control unit 3 includes a main control module 21, a trigger signal generator 22, a synchronization controller 239, a data collector 24 and a communication interface 25;
The main control module 21 is responsible for operation control and state monitoring of the whole control unit 3;
The trigger signal generator 22 is used for controlling the starting working time and the exposure time of the photon detector;
the synchronization controller 239 is responsible for coordinating the synchronous work among the modules and ensuring synchronous sampling and processing of data;
the data collector 24 collects the speed and the resolution and transmits the collected data to the corresponding main control module 21;
the communication interface 25 is used for communication docking with external devices and systems, so that data exchange and remote control are facilitated.
In this embodiment, the control unit 3 is configured to control the overall operation of the single photon camera, and monitor and adjust the operation state in real time, so as to ensure stable operation of the single photon camera and transmission, exchange and remote control between data.
Further, the control unit 3 further comprises an alarm module 26 and an interaction module 27;
The alarm module 26 monitors the states of all components of the system in real time so as to ensure safe operation and timely fault handling of the system;
the interaction module 27 is used for providing an operation section and an interaction mode for a user, so that the user can control the system and view the result conveniently.
In this embodiment, the alarm module 26 may issue a warning in case of illegal operation and erroneous instruction, so that the operator knows the current state of the single photon camera, and the interaction module 27 is used for performing an interaction operation between an external person and the single photon camera, so as to provide convenience for the operator.
Further, the method comprises the steps of,
The read authentication unit 6 includes a password authentication module 28, a biometric authentication module 29, and a physical authentication module 30;
The password authentication module 28 performs identification authentication on the identity of an operator in a character password mode;
The biometric authentication module 29 performs identification authentication on the identity of the operator by means of fingerprint, face, voiceprint and iris recognition;
the physical authentication module 30 performs identification authentication on the identity of the operator by means of a chip card.
In this embodiment, different authentication modes are provided for the operator through the password authentication module 28, the biometric authentication module 29 and the physical authentication module 30, different authority levels are specifically different authentication modes, the password authentication is level C, the physical authentication is level B, the biometric authentication is level a, and different control authorities are granted according to different levels, so that the security of the image data is ensured.
Further, the read authentication unit 6 further includes a tracing module 31 and a tracing storage module 32;
The tracing module 31 is configured to trace the operation of an operator and the transmission and check of data;
The tracing storage module 32 is configured to independently store the tracing record of the tracing module 31, so as to ensure the security of the tracing record.
In this embodiment, the traceability storage module 32 stores video, audio, image data, corresponding ID and time date, so that the traceability module 31 can trace the source, and the traceability module 31 can retrieve the selected video, audio and image data according to the queried ID or time date, thereby playing a role in supervision and management.
When the single photon photographing camera of the embodiment is used, photon signals of different spatial positions are captured through the imaging array 1, the spatial and temporal information of photons is recorded, weak electric signals output by each photon detector are preprocessed through signal amplification, filtering and analog-to-digital conversion, the signal to noise ratio of the signals is improved, denoising, enhancement and image reconstruction are performed, the preprocessed data are further processed through the digital signal processing module 8, the controller 9 is used for coordinated control in the processing process, the interface circuit 10 is connected with external equipment, the image data are stored through the storage unit 4, the memory 17, the data interface 18 and the power supply 20 are regulated and controlled through the FPGA19, and meanwhile, the power supply 20 supplies power for the FPGA19, the memory 17 and the data interface 18, the memory 17 stores image data, and can transfer the data in the memory 17 through the data interface 18, during data transmission, identity authentication is needed through the reading and recognizing unit, and finally, the encrypted transmission unit 5 encrypts and transmits the data, different authentication modes, in particular different authority levels, are provided for operators through the password authentication module 28, the biological authentication module 29 and the physical authentication module 30, after identity verification, the encryption algorithm processor 14 encrypts the image data to be transmitted, the secret key management module 15 stores the image data and the secret key corresponding to the image data, and the encrypted image data is transmitted to an external device or an external network through the encryption interface 16, the transmitted data, identity ID and time are stored by the traceability module 31 and the traceability storage module 32, and are used for subsequent traceability management, and the control unit 3 is used for controlling the whole operation of the single photon photographic camera, and monitoring and adjusting the operation state in real time, so as to ensure the stable operation of the single photon photographic camera and the transmission, exchange and remote control between the data.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.