Single-photon photography camera

Abstract

The invention relates to the technical field of digital imaging, and particularly discloses a single-photon photography camera which comprises an imaging array which is composed of a plurality of photon detectors and used for capturing photon signals from different space and time information. The system further comprises a signal processing unit, a control unit, a storage unit, an encryption transmission unit and a reading authentication unit. The signal processing unit converts the original signal into recognizable image data; the control unit is used for controlling and coordinating the whole system to ensure 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; and the reading authentication unit is used for performing authentication unlocking when reading the image data. The security and stability of the image data in the transmission process are ensured, data leakage is prevented, the system security is improved, and the data compliance is promoted.

Description

Technical Field

[0001] The invention relates to the technical field of digital imaging, and in particular to a single-photon photography camera. Background Art

[0002] At present, the information age is accompanied by the generation of a large amount of data. The traditional method is to collect data and then perform data compression transformation, which needs to obey the Nyquist-Shannon sampling theorem: when the sampling rate reaches more than twice the signal bandwidth, the original signal can be accurately reconstructed from the sampled signal. Sampling is to convert a signal into a numerical sequence. The computing tasks processed by large and efficient equipment are relatively simple, resulting in a waste of resources and extremely low processing efficiency.

[0003] The prior art CN204928978U provides a single-photon photography camera, which mainly includes a focusing lens, a chip array, a focusing mirror, a single-photon counter, an AD converter, a CCD, a light source and an intelligent terminal. The AD converter is connected to the single-photon counter, the CCD and the light source respectively, and the intelligent terminal is connected to the CCD and the light source respectively.

[0004] However, in the prior art, there are technical problems of security in the process of data transmission. Summary of the invention

[0005] The purpose of the present invention is to provide a single-photon photography camera, aiming to solve the technical problem of security in the data transmission process in the prior art.

[0006] To achieve the above-mentioned object, the present invention adopts a single-photon photography camera, comprising an imaging array, wherein the imaging array is composed of a plurality of photon detectors, and is used to simultaneously capture photon signals from different spatial positions and record the spatial and temporal information of the photons;

[0007] It also includes a signal processing unit, a control unit, a storage unit, an encryption transmission unit and a reading authentication unit;

[0008] The signal processing unit is used to process the original signal from the imaging array and convert it into recognizable image data;

[0009] The control unit is used to control and coordinate the entire system and monitor the operating status of the system to ensure the stability and reliability of the system;

[0010] The storage unit is used to store the image data processed by the signal processing unit;

[0011] The encryption transmission unit is used to encrypt and transmit the data in the storage unit to an external device;

[0012] The reading and authentication unit is used to perform authentication and unlocking when reading image data.

[0013] Wherein, the signal processing unit includes a signal preliminary processing module, a digital signal processing module, a controller and an interface circuit;

[0014] The signal preliminary processing module is used to perform preliminary preprocessing on the data information of the imaging array;

[0015] The digital signal processing module is used to further process the digital signal converted by the signal preliminary processing module;

[0016] The controller controls and coordinates the processing flow of the signal processing unit to ensure accurate transmission of data;

[0017] The interface circuit is used to connect the signal preliminary processing module and the controller to the control unit.

[0018] Wherein, the signal preliminary processing module includes a signal amplification circuit, a filtering circuit and an analog-to-digital converter;

[0019] The signal amplification circuit amplifies the weak electrical signal output by each photon detector in the imaging array, so that subsequent circuits can more easily process and identify it;

[0020] The filter circuit is used to filter the amplified signal to remove high-frequency noise and interference signals and improve the signal-to-noise ratio of the signal;

[0021] The analog-to-digital converter further processes the converted digital signal to perform noise removal, enhancement and image reconstruction.

[0022] Wherein, the encryption transmission unit includes an encryption algorithm processor, a key management module and an encryption interface;

[0023] The encryption algorithm processor is used to encrypt the data in the storage unit;

[0024] The key management module is responsible for generating, storing, distributing and updating the keys, improving the security, reliability and flexibility of the encryption transmission unit, and being applicable to different scenario requirements;

[0025] The encryption interface is responsible for transmitting the encrypted image data and information to an external device or network.

[0026] Wherein, the storage unit includes a memory, a data interface, an FPGA and a power supply;

[0027] The memory is used to store image data, system configuration information and logs to ensure the integrity and reliability of image data;

[0028] The data interface is responsible for transmitting the data information in the memory to an external device;

[0029] The FPGA is responsible for coordinating the work between the memory and the data interface;

[0030] The power supply is responsible for providing a stable power supply to the memory and can reasonably distribute electrical energy in different working modes.

[0031] Wherein, the control unit includes a main control module, a trigger signal generator, a synchronization controller, a data collector and a communication interface;

[0032] The main control module is responsible for the operation control and status monitoring of the entire control unit;

[0033] The trigger signal generator is used to control the start working time and exposure time of the photon detector;

[0034] The synchronization controller is responsible for coordinating the synchronization work between various modules to ensure the synchronous sampling and processing of data;

[0035] The data collector collects the rate and resolution, and transmits the collected data to the corresponding main control module;

[0036] The communication interface is used to communicate with external devices and systems to facilitate data exchange and remote control.

[0037] Wherein, the control unit also includes an alarm module and an interaction module;

[0038] The alarm module monitors the status of each component of the system in real time to ensure safe operation of the system and timely fault handling;

[0039] The interaction module is used to provide users with operation sections and interaction methods, so that users can control the system and view results.

[0040] A single-photon photography camera of the present invention captures photon signals at different spatial positions through the imaging array and records the space and time of the photon signals. The captured photon signals are processed by the signal processing unit to convert the original signals into recognizable image data. The converted image data are stored in the storage unit through the control and coordination of the control unit. When the image data in the storage unit needs to be transmitted to an external device or network, the identity of the operator is identified and authenticated by reading the authentication unit. After the identity authentication is correct, the selected image data is encrypted and transmitted by the encryption transmission unit, thereby ensuring the security and stability of the image data during the transmission process, preventing data leakage, improving system security, and promoting data compliance. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0042] Figure 1 It is a system diagram of a single-photon photography camera of the present invention.

[0043] Figure 2 is a system diagram of a signal processing unit of the present invention.

[0044] Figure 3 It is a system diagram of the control unit of the present invention.

[0045] Figure 4 It is a system diagram of the encryption transmission unit of the present invention.

[0046] Figure 5 It is a system diagram of the reading authentication unit of the present invention.

[0047] Figure 6 is a system diagram of the storage unit of the present invention.

[0048] 1-imaging array, 2-signal processing unit, 3-control unit, 4-storage unit, 5-encryption transmission unit, 6-reading authentication unit, 7-signal preliminary processing module, 8-digital signal processing module, 9-controller, 10-interface circuit, 11-signal amplification circuit, 12-filtering circuit, 13-analog-to-digital converter, 14-encryption algorithm processor, 15-key management module, 16-encryption interface, 17-memory, 18-data interface, 19-FPGA, 20-power supply, 21-main control module, 22-trigger signal generator, 23-synchronization controller, 24-data collector, 25-communication interface, 26-alarm module, 27-interaction module, 28-password authentication module, 29-biological authentication module, 30-physical authentication module, 31-tracing module, 32-tracing storage module. DETAILED DESCRIPTION

[0049] See also Figures 1 to 6 ,in Figure 1 is a system diagram of a single-photon photography camera of the present invention, Figure 2 is a system diagram of a signal processing unit of the present invention, Figure 3 is a system diagram of the control unit of the present invention, Figure 4 is a system diagram of the encryption transmission unit of the present invention, Figure 5 is a system diagram of the reading authentication unit of the present invention, Figure 6 is a system diagram of the storage unit of the present invention.

[0050] The present invention provides a single-photon photography camera: comprising an imaging array 1, wherein the imaging array 1 is composed of a plurality of photon detectors, and is used to simultaneously capture photon signals from different spatial positions and record the spatial and temporal information of the photons;

[0051] It also includes a signal processing unit 2, a control unit 3, a storage unit 4, an encryption transmission unit 5 and a reading authentication unit 6;

[0052] The signal processing unit 2 is used to process the original signal from the imaging array 1 and convert it into recognizable image data;

[0053] The control unit 3 is used to control and coordinate the entire system and monitor the operating status of the system to ensure the stability and reliability of the system;

[0054] The storage unit 4 is used to store the image data processed by the signal processing unit 2;

[0055] The encryption transmission unit 5 is used to encrypt and transmit the data in the storage unit 4 to an external device;

[0056] The reading and authenticating unit 6 is used to perform authentication and unlocking when reading image data.

[0057] In this embodiment, the imaging array 1 captures photon signals at different spatial positions and records the space and time of the photon signals. The captured photon signals are processed by the signal processing unit 2 to convert their original signals into recognizable image data. The converted image data is stored in the storage unit 4 through the control and coordination of the control unit 3. When the image data in the storage unit 4 needs to be transmitted to an external device or network, the identity of the operator is identified and authenticated by reading the authentication unit 6. After the identity authentication is correct, the encryption transmission unit 5 encrypts and transmits the selected image data.

[0058] Furthermore, the signal processing unit 2 includes a signal preliminary processing module 7, a digital signal processing module 8, a controller 9 and an interface circuit 10;

[0059] The signal preliminary processing module 7 is used to perform preliminary preprocessing on the data information of the imaging array 1;

[0060] The digital signal processing module 8 is used to further process the digital signal converted by the signal preliminary processing module 7;

[0061] The controller 9 controls and coordinates the processing flow of the signal processing unit 2 to ensure accurate data transmission;

[0062] The interface circuit 10 is used to connect the signal preliminary processing module 7 and the controller 9 with the control unit 3 .

[0063] In this embodiment, the imaging array 1 data is preliminarily preprocessed by the signal preliminary processing module 7, and the preprocessed data is further processed by the digital signal processing module 8. During the processing, the controller 9 coordinates and controls, and the interface circuit 10 is connected to external devices.

[0064] Furthermore, the signal preliminary processing module 7 includes a signal amplifying circuit 11, a filtering circuit 12 and an analog-to-digital converter 13;

[0065] The signal amplification circuit 11 amplifies the weak electrical signal output by each photon detector in the imaging array 1, so that the subsequent circuit can process and identify it more easily;

[0066] The filter circuit 12 is used to filter the amplified signal to remove high-frequency noise and interference signals, thereby improving the signal-to-noise ratio of the signal;

[0067] The analog-to-digital converter 13 further processes the converted digital signal to perform noise removal, enhancement and image reconstruction.

[0068] In this embodiment, the weak electrical signal output by each photon detector is preprocessed by signal amplification, filtering and analog-to-digital conversion to improve the signal-to-noise ratio, perform denoising, enhancement and image reconstruction.

[0069] Furthermore, the encryption transmission unit 5 includes an encryption algorithm processor 14, a key management module 15 and an encryption interface 16;

[0070] The encryption algorithm processor 14 is used to encrypt the data in the storage unit 4;

[0071] The key management module 15 is responsible for generating, storing, distributing and updating the key, improving the security, reliability and flexibility of the encryption transmission unit 5, and being applicable to different scenario requirements;

[0072] The encryption interface 16 is responsible for transmitting the encrypted image data and information to an external device or network.

[0073] In this embodiment, the encryption algorithm processor 14 encrypts the image data to be transmitted, and the key management module 15 stores the corresponding image data and key, and transmits the encrypted image data to an external device or external network through the encryption interface 16.

[0074] Further, the storage unit 4 includes a memory 17, a data interface 18, an FPGA 19 and a power supply 20;

[0075] The memory 17 is used to store image data, system configuration information and logs to ensure the integrity and reliability of image data;

[0076] The data interface 18 is responsible for transmitting the data information in the memory 17 to an external device;

[0077] The FPGA 19 is responsible for coordinating the work between the memory 17 and the data interface 18;

[0078] The power supply 20 is responsible for providing a stable power supply to the memory 17 and reasonably allocating power in different working modes.

[0079] In this embodiment, the memory 17, the data interface 18 and the power supply 20 are controlled by the FPGA 19, and the power supply 20 provides power supply to the FPGA 19, the memory 17 and the data interface 18. The memory 17 stores image data and can transmit the data in the memory 17 through the data interface 18.

[0080] 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;

[0081] The main control module 21 is responsible for the operation control and status monitoring of the entire control unit 3;

[0082] The trigger signal generator 22 is used to control the start working time and exposure time of the photon detector;

[0083] The synchronization controller 239 is responsible for coordinating the synchronization work between various modules to ensure the synchronous sampling and processing of data;

[0084] The data collector 24 collects the rate and resolution, and transmits the collected data to the corresponding main control module 21;

[0085] The communication interface 25 is used to communicate with external devices and systems to facilitate data exchange and remote control.

[0086] In this embodiment, the control unit 3 is used to control the overall operation of the single-photon photography camera and to monitor and adjust the operation status in real time to ensure the stable operation of the single-photon photography camera and the transmission, exchange and remote control of data.

[0087] Furthermore, the control unit 3 also includes an alarm module 26 and an interaction module 27;

[0088] The alarm module 26 monitors the status of each component of the system in real time to ensure safe operation of the system and timely fault handling;

[0089] The interaction module 27 is used to provide the user with an operation section and an interaction mode, so that the user can control the system and view the results.

[0090] In this embodiment, the alarm module 26 can issue a warning in the event of illegal operation and erroneous instructions, so that the operator can know the current status of the single-photon photography camera. The interactive module 27 is used for external personnel to interact with the single-photon photography camera, providing convenience for the operator.

[0091] Further,

[0092] The reading authentication unit 6 includes a password authentication module 28, a biometric authentication module 29 and a physical authentication module 30;

[0093] The password authentication module 28 identifies and authenticates the identity of the operator by means of a character password;

[0094] The biometric authentication module 29 identifies and authenticates the identity of the operator through fingerprint, face, voiceprint and iris recognition;

[0095] The physical authentication module 30 identifies and authenticates the identity of the operator by means of a chip card.

[0096] In this embodiment, different authentication methods are provided for operators through the password authentication module 28, the biometric authentication module 29 and the physical authentication module 30. Different authentication methods are used for different authority levels, such as password authentication for level C, physical authentication for level B, and biometric authentication for level A. Different control permissions are granted according to different levels to ensure the security of image data.

[0097] Furthermore, the reading authentication unit 6 also includes a traceability module 31 and a traceability storage module 32;

[0098] The traceability module 31 is used to trace the operation of the operator and the transmission and viewing of the data;

[0099] The traceability storage module 32 is used to independently store the traceability records of the traceability module 31 to ensure the security of the traceability records.

[0100] In this embodiment, the traceability storage module 32 stores the video, audio, image data, the corresponding identity ID and time and date, so as to facilitate the traceability of the traceability module 31. The traceability module 31 performs traceability according to the queried identity ID or time and date, and can retrieve the selected video, audio, and image data to play a supervisory management role.

[0101] When using a single-photon photography camera of the present embodiment, the imaging array 1 is used to capture photon signals at different spatial positions, and the spatial and temporal information of the photons is recorded. The weak electrical signals output by each photon detector are preprocessed by signal amplification, filtering and analog-to-digital conversion to improve the signal-to-noise ratio of the signal, and perform denoising, enhancement and image reconstruction. The digital signal processing module 8 further processes the preprocessed data. The controller 9 coordinates and controls the processing during the processing. The interface circuit 10 is connected to an external device and stores the image data through the storage unit 4. The memory 17, the data interface 18 and the power supply 20 are regulated by the FPGA 19. At the same time, the power supply 20 provides power supply to the FPGA 19, the memory 17 and the data interface 18. The memory 17 stores the image data and can transmit the data in the memory 17 through the data interface 18. When data is transmitted, , identity authentication is required through the reading recognition unit, and finally the encryption transmission unit 5 encrypts and transmits the data. Different authentication methods are provided for operators through the password authentication module 28, the biometric authentication module 29 and the physical authentication module 30. Different authentication methods are used for different authority levels. After completing the identity authentication, the image data to be transmitted is encrypted by the encryption algorithm processor 14, and the corresponding image data and key are stored by the key management module 15, 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 for subsequent traceability management. The control unit 3 is used to control the overall operation of the single-photon photography camera, and to monitor and adjust the operation status in real time to ensure the stable operation of the single-photon photography camera and the transmission, exchange and remote control of data.

[0102] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A single-photon photography camera, comprising an imaging array, wherein the imaging array is composed of a plurality of photon detectors, for simultaneously capturing photon signals from different spatial positions and recording the spatial and temporal information of the photons, characterized in that: It also includes 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 to process the original signal from the imaging array and convert it into recognizable image data; The control unit is used to control and coordinate the entire system and monitor the operating status of the system to ensure the stability and reliability of the system; The storage unit is used to store the image data processed by the signal processing unit; The encryption transmission unit is used to encrypt and transmit the data in the storage unit to an external device; The reading and authentication unit is used to perform authentication and unlocking when reading image data.

2. A single-photon photography camera as claimed in claim 1, characterized in that: The signal processing unit includes a preliminary signal processing module, a digital signal processing module, a controller and an interface circuit; The signal preliminary processing module is used to perform preliminary preprocessing on the data information of the imaging array; The digital signal processing module is used to further process 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 to connect the signal preliminary processing module and the controller to the control unit.

3. A single-photon photography camera as claimed in claim 2, characterized in that: The signal preliminary processing module includes a signal amplification circuit, a filtering circuit and an analog-to-digital converter; The signal amplification circuit amplifies the weak electrical signal output by each photon detector in the imaging array, so that subsequent circuits can more easily process and identify it; The filter circuit is used to filter the amplified signal to remove high-frequency noise and interference signals and improve the signal-to-noise ratio of the signal; The analog-to-digital converter further processes the converted digital signal to perform noise removal, enhancement and image reconstruction.

4. A single-photon photography camera as claimed in claim 1, characterized in that: The encryption transmission unit includes an encryption algorithm processor, a key management module and an encryption interface; The encryption algorithm processor is used to encrypt the data in the storage unit; The key management module is responsible for generating, storing, distributing and updating the keys, improving the security, reliability and flexibility of the encryption transmission unit, and being applicable to different scenario requirements; The encryption interface is responsible for transmitting the encrypted image data and information to an external device or network.

5. A single photon photography camera as claimed in claim 1, characterized in that: The storage unit includes a memory, a data interface, an FPGA and a power supply; The memory is used to store image data, system configuration information and logs to ensure the integrity and reliability of image data; The data interface is responsible for transmitting the data information in the memory to an external device; The FPGA is responsible for coordinating the work between the memory and the data interface; The power supply is responsible for providing a stable power supply to the memory and can reasonably distribute electrical energy in different working modes.

6. A single photon photography camera as claimed in claim 1, characterized in that: The control unit includes a main control module, a trigger signal generator, a synchronization controller, a data acquisition device and a communication interface; The main control module is responsible for the operation control and status monitoring of the entire control unit; The trigger signal generator is used to control the start working time and exposure time of the photon detector; The synchronization controller is responsible for coordinating the synchronization work between various modules to ensure the synchronous sampling and processing of data; The data collector collects the rate and resolution, and transmits the collected data to the corresponding main control module; The communication interface is used to communicate with external devices and systems to facilitate data exchange and remote control.

7. A single-photon photography camera as claimed in claim 6, characterized in that: The control unit also includes an alarm module and an interaction module; The alarm module monitors the status of each component of the system in real time to ensure safe operation of the system and timely fault handling; The interaction module is used to provide users with operation sections and interaction methods, so that users can control the system and view results.

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