205results about "Optical transmission adaptations" patented technology

The invention relates to the technical field of optical communication, in particular to an automobile headlamp communication system and method based on image frame interpolation, comprising a transmitting end and a receiving end, a vehicle-mounted central control system of the transmitting end is used for receiving input to-be-transmitted information, and an ambient light detection module evaluates an external illumination condition in response to the input of the to-be-transmitted information; an image gray value and frame insertion frequency are set based on the illumination intensity, the image coding module codes information to be transmitted based on the set image gray value to generate a projection image frame, and the projection module inserts the projection image frame into a normal illumination frame sequence of a vehicle lamp based on the frame insertion frequency and projects the projection image frame to an external environment; the image acquisition module of the receiving end is used for acquiring a projection image frame, the image decoding module preprocesses the projection image frame and then decodes the projection image frame, and the information to be transmitted is restored and sent to the vehicle-mounted central control system. According to the invention, vehicle lamp communication at a certain distance in a traffic environment can be realized on the premise of ensuring normal vehicle lamp illumination.

The invention relates to an underwater visible light signal recovery method based on transfer learning, and aims to solve the problems of signal noise, distortion and communication performance reduction caused by disturbance of water turbidity, flow velocity, ambient light intensity and the like on an underwater visible light communication (UVLC) system. In combination with transfer learning and a generative adversarial network (GAN), data are acquired through a self-developed hardware platform, background data are generated through MATLAB simulation, simulation and real image features are fused by using a conditional generative adversarial network (cGAN) to generate simulation data, signal recovery capability is trained by using a U-NetGAN model, and finally the system is deployed at a receiving end. Compared with the prior art, the scheme overcomes the problems that traditional modulation is poor in adaptability under disturbance of water turbidity, flow velocity and the like and is difficult to deal with a complex underwater environment; the defects that a deep learning method depends on large-scale data and cross-scene generalization is weak are overcome. Through the combination of transfer learning and GAN, the UVLC system communication performance is significantly optimized, the delay is low, the complexity is low, and actual deployment requirements are better met.

The invention discloses a collaborative multi-satellite target detection method and system based on federated learning and a storage medium, and the method comprises the steps: S1, a plurality of satellites train lightweight detection models according to the local private image data of the satellites, and the local model training comprises heterogeneous data adaptation and local model updating; s2, the ground central server receives model parameters obtained by training each satellite, and performs federal aggregation processing to generate a global model; s3, taking the ground multi-source visual large model as a teacher model, taking the global model as a student model, performing feature layer distillation and output layer distillation to obtain an optimized global model, and further obtaining global parameters; and S4, updating local models of the satellites according to the global parameters, and detecting corresponding image data of the satellites. The embodiment of the invention aims to solve the problems of low model convergence efficiency and large heterogeneous data deviation in federated learning, finally realizes efficient sharing and co-evolution of model parameters among multiple satellites, and improves the generalization ability and detection precision of in-orbit small-model cross-satellite deployment.

The invention belongs to the technical field of video secure transmission, and particularly relates to an ultra-high-definition video secure transmission method and system, and the method comprises the steps: carrying out the dynamic partitioning of a video frame based on a CNN, and marking a security level; the key region adopts a quantum key to distribute a dynamic key to carry out AES-256 encryption, and the non-key region implements chaotic stream encryption; distributing a low-delay dedicated channel for the key data through an SDN reinforcement learning model; the receiving end performs layered decryption on the recombined video after verifying the validity of the quantum key; the system correspondingly comprises an intelligent blocking module, a quantum encryption gateway, a self-adaptive transmission controller and a credible decryption terminal, the 8K video encryption delay is smaller than or equal to 9.8 ms, the key data packet loss rate is smaller than or equal to 0.3%, and quantum computing attack is resisted.

The invention provides a non-IP architecture light moment seat control system and method. The system comprises a comprehensive control terminal, a workstation, a light moment host and a plurality of groups of seats, the comprehensive control terminal generates a scheduling instruction according to a pre-acquired seat demand and sends the scheduling instruction to the workstation, and generates a control instruction according to the pre-acquired seat demand and sends the control instruction to the light moment host; the work station is electrically connected with the optical moment host through at least two sending link optical fibers, and the work station executes a scheduling instruction, converts audio and video signals into optical signals and sends the optical signals to the optical moment host; the optical moment host receives the optical signal sent by the work station, executes the control instruction to match the corresponding seat, and sends the optical signal to the corresponding seat; and each seat is electrically connected with the optical moment host through at least two receiving link optical fibers, receives the optical signals and converts the optical signals into audio and video signals for display. According to the invention, a non-IP architecture non-inductive scheduling data transmission mode is adopted, and the data transmission reliability is improved.

The utility model discloses an HDMI all-optical transmission assembly, which comprises a transmission cable, a transmitting module and a receiving module, the transmission cable comprises a plurality of optical fibers, the transmitting module is arranged at a first end of the transmission cable, the receiving module is arranged at a second end of the transmission cable, and the receiving module comprises a boost submodule. The boost submodule is used for sensing the light emitted by the emission module and converting the light into a + 5V electric signal which is used as excitation voltage of hot plugging. According to the HDMI transmission assembly, the boost sub-module is arranged, so that all-optical transmission can be realized without adopting a hybrid cable or additionally arranging equipment such as a USB plug, and the structure of the HDMI transmission assembly is effectively simplified.

A deep learning-enabled system for the display or projection of high-resolution images is disclosed that is based on a jointly-trained pair of an electronic encoder network and an all-optical decoder network to synthesize / project super-resolved images using low-resolution wavefront modulators. The electronic encoder network rapidly pre-processes the high-resolution images of interest so that their spatial information is encoded into low-resolution (LR) modulation patterns, projected via a low SBP wavefront modulator. The all-optical decoder network processes this LR encoded information using thin transmissive layers that are structured using deep learning to all-optically synthesize and project super-resolved images at its output FOV. Results indicate that this diffractive image display system can achieve a super-resolution factor of ˜4, demonstrating a ˜16-fold increase in SBP. The system can be scaled to operate at visible wavelengths and be used for large FOV and high-resolution displays that are compact, low-power, and computationally efficient.

The invention provides a domestic substitution method of a CATV (Community Antenna Television) light receiving chip TAT6254C, which relates to the technical field of CATV light receiving, and comprises the following steps of: S1, chip substitution: carefully taking down a TAT6254C chip on an original circuit board, and welding a domestic GNA4118 chip on the circuit board according to a correct pin direction and position, S2, peripheral circuit adjustment: analyzing the difference of frequency response and balance characteristics of the two chips, and adjusting the frequency response and balance characteristics of the two chips according to the difference of the frequency response and balance characteristics of the two chips. Redesigning an output matching circuit, adjusting a frequency response and equalization circuit, optimizing the output matching circuit, and adjusting a chip drive and matching circuit. According to the domestic substitution method for the CATV optical receiving chip TAT6254C, a domestic GNA4118 chip is used for substituting an imported TAT6254C chip, so that the purchase cost of the chip is reduced, the risk caused by unstable supply of the imported chip is reduced, the risk of production interruption caused by shortage of the chip is reduced, the characteristics of the GNA4118 chip can be optimized by adjusting an output matching circuit, and the production efficiency of the CATV optical receiving chip TAT6254C is improved. And the performance of the circuit can reach or exceed the original level of using a TAT6254C chip.

The application discloses a kind of based on dual optical fiber channel's airborne digital video transmission control system and method, belong to computer communication count field.The method includes collecting original video signal;According to the rule of odd-even row separation, video row data is distributed to odd row and even row buffer;Real-time monitoring buffer write state and maintaining write state parameter, according to field synchronization signal and write state parameter, alternately extract odd row video row data and even row video row data;The video row data extracted is framed respectively, then is sent in parallel by two independent optical fiber channels, and the sending timing of two channels is coordinated, frame alignment and interline alignment are maintained.The application can break through the bandwidth limit of single optical fiber channel, realize the real-time reliable transmission of high-resolution, high-frame-rate airborne digital video.

The embodiments of the present invention relate to the technical field of communications, and in particular to a signal processing and transmission system, a signal processing method and apparatus, and a storage medium. The system comprises a signal processing module, a plurality of radio frequency link modules, a plurality of near-end photoelectric conversion modules, a plurality of far-end photoelectric conversion modules, and a radio frequency combination module, wherein the signal processing module is configured to split a broadband digital signal into a plurality of narrowband digital signals, and convert the plurality of narrowband digital signals into a plurality of radio frequency signals; the radio frequency link modules are configured to perform signal adjustment processing on corresponding radio frequency signals; the near-end photoelectric conversion modules are configured to convert into optical signals the corresponding radio frequency signals that have been subjected to signal adjustment processing, each optical signal being transmitted to a corresponding far-end photoelectric conversion module by means of an optical fiber; the far-end photoelectric conversion modules are configured to convert the received optical signals into electrical signals; and the radio frequency combination module is configured to perform combination processing on the electrical signals, so as to obtain a target signal.

The utility model discloses a twelve-path multifunctional optical transceiver, which belongs to the technical field of digital signal transmission equipment, and comprises a shell, a main control module, a control assembly, an interface assembly and a display assembly, the interior of the shell is of a hollow structure, a power supply unit is arranged in the shell, the front side wall of the shell is provided with an exhaust outlet, and an exhaust fan is arranged at the exhaust outlet. The main control module is installed in the shell, the control assembly is installed in the shell, the interface assembly is installed on the rear side wall of the shell, two sets of power interfaces are arranged on the right side of the interface assembly, and the display assembly is installed on the front side wall of the shell and arranged on the right side of the exhaust fan. The problem that in the prior art, due to the fact that signal transmission equipment is single in interface type, transmission of different types of signals is difficult to achieve, and the requirements for high-bandwidth video transmission and network data transmission are difficult to meet at the same time is solved. The practicability of the equipment is improved, and the use scene of the equipment is enriched.

The utility model discloses a video conversion circuit of an optical waveguide display screen, which comprises an MCU, the data transmission end of the MCU is connected with the data transmission end of a level conversion module, the data transmission end of the level conversion module is connected with the data transmission end of an optical machine, and the data sending end of a high-speed differential transceiver LVDS is connected with the data receiving end of a filtering module LVDS. The LVDS data transmitting end of the filtering module is connected with the LVDS data receiving end of the video bridging chip U7, and the MIPI data transmitting end of the video bridging chip U7 is connected with the MIPI data receiving end of the optical machine. Signal conversion and display can be stably carried out.

The invention discloses a high-speed multichannel video optical fiber transmission system and method, and belongs to the technical field of optical fiber communication. The invention aims to solve the problems of large delay and complex system during long-distance real-time transmission of a multi-channel high-definition video in the existing video transmission technology. The system comprises a transmitting end and a receiving end, the transmitting end comprises a plurality of analog-to-digital conversion modules, a first FPGA main control module and a light transmitting module; and the receiving end comprises an optical receiving module, a second FPGA main control module and a plurality of digital-to-analog conversion modules. Through a non-compression transmission scheme and in combination with a two-stage multiplexing architecture in the FPGA, high-quality and low-delay real-time transmission of eight paths of video signals on a single optical fiber at a rate of 2.5 Gb / s is realized, and the system has the advantages of simple system, high integration level, good flexibility and stable transmission effect.

The utility model discloses a high definition interactive fusion type set top box, it includes PON module, DVB module, optical communication module, first interface module, network state indicating lamp, first memory, second interface module, power indicating lamp and second memory, PON module and DVB module pass through internal PHY communication circuit communication, integration in a equipment, optical communication module, first interface module, network state indicating lamp and first memory all are connected to PON module, and second interface module, power indicating lamp and second memory all are connected to DVB module, PON module adopts the chip of RTL9603C type and realizes, DVB module adopts the chip of MC2416 type and realizes, the high definition interactive fusion type set top box of the utility model, through with PON module and DVB module integration in a equipment, and together through internal PHY layer connection, has improved operating speed, has improved user experience and reduced user cost.

The invention discloses a high-resolution image calculation and display integrated method and system based on a photoelectric calculation hybrid architecture, and belongs to the technical field of image data processing, and the method comprises the steps: carrying out the combined modeling of the time domain gray scale response characteristics of a display panel and a space pixel structure, and constructing a display end prior template; an optical modulation mask is generated based on a template, physical modulation and coding sampling are carried out on an incident light field, a photoelectric mapping relation is utilized to establish a cross-domain correlation tensor as regularization constraint to reconstruct to-be-displayed image data adaptive to panel characteristics, and a display end prior template is combined to carry out consistency residual calculation to generate driving compensation correction. And finally synthesizing an optimized display driving sequence. A display end prior template is combined with optical coding to construct a cross-domain association tensor, and driving data is reconstructed by regularization constraint, so that compensation and optimization of space-time coupling characteristics of a display panel can be realized.

The present application relates to the technical field of target object trajectory determination, and provides a target object trajectory determination method, device, electronic equipment and computer readable storage medium.The method comprises the following steps: obtaining an optical pulse signal from an optical fiber; determining an optical pulse phase change and an optical pulse frequency change of the optical fiber caused by a target object according to the optical pulse signal; determining an action trajectory of the target object based on the optical pulse phase change and the optical pulse frequency change; and sending an alarm signal to a target device based on the action trajectory of the target object.The method can effectively solve the deficiency of traditional monitoring technology in the application of nuclear power plants, and significantly improve the reliability and efficiency of safety monitoring.

The invention relates to the technical field of photoelectric data transmission, in particular to a multi-path Cameralink digital image optical fiber transmission system for an aviation photoelectric pod. Comprising an image data sending unit, an optical fiber slip ring and an image data receiving unit which are sequentially connected, both the image data sending unit and the image data receiving unit take an FPGA as a core processor, and realize unidirectional transmission of optical signals through an optical fiber slip ring; the image data sending unit is used for receiving multiple paths of Cameralink digital image signals, converting the signals into optical signals after serial-to-parallel conversion and time-sharing coding, and sending the optical signals to the optical fiber slip ring; and the image data receiving unit is used for receiving the optical signal transmitted by the optical fiber slip ring, restoring the optical signal into a Cameralink digital image signal after photoelectric conversion and decoding reconstruction, and outputting the Cameralink digital image signal, so that the lossless transparent transmission of multiple paths of image signals is realized. The multi-path Cameralink image optical fiber lossless transmission device has the advantages that multi-path Cameralink image optical fiber lossless transmission is realized, the structure is simple, and the stability

A variable-resolution optical communication system includes a display operable to display an image and a variable-resolution camera disposed and operable to optically capture the image displayed on the variable-resolution display. A variable-resolution camera includes a camera substrate and camera pixels disposed on the camera substrate. The camera pixels have a variable spatial resolution, for example a variable camera pixel spacing, over the camera substrate and are controllable to capture light.

The utility model discloses a kind of display console 4K high-definition video transmission devices, including mainboard, CPEX backplane, back socket board, electric light adapter plug, light electric adapter plug, adapter socket board and fiber connector;Mainboard, CPEX backplane, back socket board are all arranged in reinforced computer, electric light adapter plug is connected on the CPEX backplane, and fiber connector is arranged on back socket board;Mainboard output HDMI electric signal transmission is given to CPEX backplane, and CPEX backplane is converted into optical signal by electric light adapter plug, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted into optical signal by fiber connector adapter, and the back socket board is converted

The utility model provides an optical fiber extender, which relates to the technical field of optical fiber extension equipment, comprises an SDI (Serial Digital Interface) line equalizer, an RECLOCK and line driver, a power supply module, an SDI video transmission channel, a single-fiber bidirectional optical module, an RS485 signal channel and a TALLY signal channel, and solves the problem that when a common cable is used for long-distance transmission of a higher-speed signal, the power supply module cannot be connected with the SDI video transmission channel. The phenomena of poor output signal quality, easy external interference and the like always occur; meanwhile, the transmission distance is short, the long-distance transmission requirement of occasions such as multimedia information issuing cannot be met, in practical application, a traditional cable is often difficult to support the integrity and stability of high-quality audio and video signals in long-distance transmission due to limitation of physical characteristics and transmission bandwidth of the traditional cable, and according to the research of Smitet al. (2020), the long-distance transmission requirement of the high-quality audio and video signals in the long-distance transmission process cannot be met, and the long-distance transmission requirement of the high-quality audio and video signals in the long-distance transmission process cannot be met. After the transmission distance of the traditional cable exceeds 100 meters, the signal attenuation can reach about 3dB, which has a significant influence on the image quality.

The invention relates to the technical field of computer communication, in particular to an airborne fiber channel multi-source video stream hybrid deterministic transmission method. According to the method, an acquisition mode, a cache mode, a cache depth and an enabling state of each path of video are independently configured based on an ICD file; each enabled video acquisition unit acquires video data in parallel according to configuration; performing integrity verification on the video data; storing the data passing the verification into a line or frame buffer area according to the cache mode to form an effective video stream; sending time slot sequences with non-overlapped time axes are dynamically arranged for all the effective video streams, and independent sending timers are set; and responding to the trigger of the sending timer, extracting video line data group frames from the corresponding buffer areas, and sending the video line data group frames through a single optical fiber interface MAC. According to the invention, the hybrid deterministic transmission of the multi-source heterogeneous video stream on the single optical fiber is realized, the wiring is simplified, the controllable transmission time sequence is ensured, and the delay is predictable.

The invention discloses a multi-modal large model storage monitoring method and system based on end-side cloud collaboration, and relates to the technical field of intelligent logistics and artificial intelligence. The system constructs a layered architecture comprising multi-mode perception access, a high throughput network, heterogeneous computing power and an intelligent interaction terminal. The method specifically comprises the following steps: collecting visual, audio and internet-of-things sensing data through equipment deployed on site; dynamic pruning based on space-time sparsity and audio cascade awakening are carried out on the edge side, and a physical engine is used for track early warning; at the cloud end, a multi-modal cue word is constructed through a vision-language feature alignment module, a large language model is input, and a logical anomaly judgment report is generated by adopting a thinking chain decoding strategy; and finally, self-adaptive closed-loop evolution of the model is realized by utilizing an artificial feedback and reinforcement learning algorithm. According to the method, the problems of insufficient semantic understanding, poor edge real-time performance and difficulty in model iteration in the prior art are effectively solved, and the intelligent level of storage safety management is improved.

The invention discloses an underwater wireless optical semantic communication method and system based on image video transmission, and the method is realized based on an optical transmitter and an optical receiver, and the method comprises the steps: obtaining a video frame sequence, and carrying out the Gaussian denoising processing; for the de-noised video frame sequence, constructing a discrete histogram by counting gray level distribution, and extracting a key frame through similarity analysis; basic features of the key frames are extracted, a semantic segmentation map of the key frames is generated in cooperation with pyramid pooling and an attention mechanism, a segmentation map group with reduced data volume is formed through difference calculation, and the segmentation map group is input into an optical transmitter to be converted into an optical signal and then transmitted to an underwater medium; optical signals which are transmitted by an underwater medium and received by an optical receiver are converted, superposed and restored into a semantic segmentation graph group; recovering the semantic segmentation graph group based on an enhanced cyclic generative adversarial network to obtain a visual image; generating a complete video frame sequence through a frame interpolation network based on the visual image of the corresponding key frame; therefore, the recovery of the video frame is realized.

The invention relates to a wireless optical communication tracking and pointing system and method and a computer program product. The system is arranged at a first end of the wireless optical communication system, the wireless optical communication system further comprises a second end, the first end and the second end carry out wireless optical communication, and the system comprises an image acquisition device used for acquiring a current frame target image of the second end; the programmable logic component is integrated with a target preset position identification unit and a rotary table control unit, and the target preset position identification unit is used for identifying coordinates of a preset position of a target pattern in a current frame of target image; the turntable control unit is used for comparing the coordinates of the preset position of the target pattern in the current frame of target image with the coordinates of the preset position of the target pattern in the previous frame of target image, and generating a rotation control signal of the two-dimensional turntable; and the two-dimensional turntable is used for rotating according to the rotation control signal so as to point to the preset position of the target pattern in the target image of the current frame and realize tracking and pointing of the second end. The size of the tracking and pointing system can be reduced by adopting the system.

The invention provides a dual-channel access system, and relates to the technical field of communication, and the system is characterized in that a first optical fiber inlet of a tail end machine room network is used for connecting a preset internet system, and a second optical fiber inlet of the tail end machine room network is used for connecting a television system; a first optical fiber outlet and a second optical fiber outlet of the tail end machine room network are respectively connected with a first optical fiber inlet and a second optical fiber inlet of the optical distribution network, and the first optical fiber outlet of the optical distribution network is connected with an optical fiber inlet of the main gateway through a home-entry optical fiber. At least one coaxial interface of the main gateway is connected with at least one slave gateway through at least one coaxial cable, and each slave gateway is used for being connected with a user terminal or a television set top box in a corresponding room. According to the invention, through the mode of fiber-to-the-home and coaxial room entry, redundant fibers do not need to be arranged, the deployment difficulty is reduced, and meanwhile, the signals of a television system and an internet system are improved. The networking deployment cost is reduced, and the quality of the networking scheme is improved.

The application discloses a spatial light modulator control method, a spatial light modulator and a control system, and relates to the technical field of spatial light modulator development and application. The method comprises the following steps: after obtaining addressing data and control data of a spatial light modulator, the addressing data and the control data are fused and encoded on resolution indication bits and bit depth indication bits in an addressing data format to obtain a video signal to be transmitted; then the video signal is transmitted to the spatial light modulator through a video signal transmission channel; the spatial light modulator parses the addressing data and the control data from the video signal; the corresponding light wave modulation function is completed according to the addressing data; and the corresponding control function is completed according to the control data. Thus, the interface requirement of an upper computer can be reduced, the purpose of transmitting signals by using the same interface and time sequence is achieved, the synchronous precision is high, the user operation is easy, and the method is convenient for practical application.

This application relates to the field of image transmission technology, specifically to a method for visually evaluating the fracturing effect of oil and gas wells. The method includes: real-time acquisition of video frames and cable length during the oil and gas well measurement process; extraction of analysis frames from the video frames; obtaining perforation connected regions based on the edge features, grayscale features, and shape features of each connected region in each analysis frame; determining whether to use the default merange parameter for encoding and transmission based on the number of perforation connected regions in each analysis frame; if not, optimizing the default merange parameter for each analysis frame based on the density, difference, and inter-frame displacement of perforations within each analysis frame, as well as the cable length, and then encoding and transmitting all video frames within the analysis interval of each analysis frame; and evaluating the fracturing effect based on the transmitted video frames. This application improves the accuracy of fracturing effect evaluation by adaptively adjusting the merange parameter.

The utility model relates to the technical field of video optical transceivers, and discloses a video optical transceiver with a limiting assembly, which comprises a box body and an optical transceiver body, the bottom of the inner wall of the box body is slidably connected with symmetrical U-shaped frames, the bottom of the box body is provided with a cavity, the inside of the cavity is slidably connected with symmetrical connecting blocks, and the limiting assembly is arranged on the U-shaped frames. A driving assembly used for enabling the two connecting blocks to move synchronously is arranged in the cavity, and the tops of the connecting blocks extend into the box body and are fixedly connected with the U-shaped frame. According to the video optical transmitter and receiver with the limiting assembly, after the optical transmitter and receiver body is placed in the box body, one U-shaped frame slides, the other U-shaped frame can synchronously move under the action of the driving assembly, after the two U-shaped frames clamp the optical transmitter and receiver body, the U-shaped frames are fixed through the limiting assembly, and then the optical transmitter and receiver body can be fixed in the box body. Therefore, the installation of the video optical transceiver is more convenient, and the stability of the optical transceiver is higher after the optical transceiver is installed in the box body.

The present application relates to the technical field of image processing, in particular to a kind of real-time optical tracking method and system of moving target based on passive guidance.The approximate coordinates of moving target are obtained by passive direction finding station;And according to the approximate coordinates, control laser illumination unit to light moving target body, utilize binocular camera unit to carry out image acquisition and visual analysis to moving target, to obtain the position change of moving target;Combining the position change of moving target, determine the trajectory pose of moving target.Using call camera unit, the whole tracking of moving target is carried out, and the flight state of moving target collected is transmitted to host computer in real time for display.The present application realizes real-time positioning of moving target by the fusion mode of passive direction finding station and binocular optical system, realizes real-time accurate positioning of moving target in the case of building, vegetation dense and low visibility.

Provided is an optical link capable of preventing data transmission errors due to transmission delay. Also, provided is an optical link enabling rapid transmission of auxiliary data related to rendering of a display sink or setting of a main channel.