387 results about "Visual axis" patented technology

A line-of-sight direction tracking method includes: providing corneal reflection for an eye of a user by using a plurality of light sources, and capturing images including a face of the user by using a plurality of cameras; determining coordinates of a light source reflection point and coordinates of a pupil center in a world coordinate system by means of a human eye feature set acquired from the images including the face, based on hardware calibration parameters; determining a line-of-sight optical axis according to the coordinates of the light source reflection point and the coordinates of the pupil center, and reconstructing, based on the line-of-sight optical axis, a line-of-sight visual axis by means of a compensation angle; and determining a point of sight on a target object according to the line-of-sight visual axis and a position of the target object in the world coordinate system.

The invention belongs to the technical field of space remote sensing surveying and mapping, and particularly relates to a monitoring system and method for a front and rear view visual axis included angle and absolute direction of a surveying and mapping camera. The method comprises the following steps: S1, through side sway of a satellite platform, taking a time for sky imaging calibration as a reference time; s2, calculating a rotation matrix from a front and rear view ground camera measurement coordinate system to a star camera coordinate system at a reference moment; s3, calculating respective thermal deformation matrixes of the star camera coordinate system, the front-view camera measurement coordinate system and the rear-view camera measurement coordinate system; s4, obtaining a real-time rotation matrix from the measurement coordinate system of the front-view camera to the coordinate system of the star camera and a real-time rotation matrix from the measurement coordinate system of the rear-view camera to the coordinate system of the star camera at the measurement moment; and S5, carrying out arc cosine calculation on the two absolute pointing vectors to obtain a visual axis included angle between the front-view camera and the rear-view camera at the measurement moment. According to the invention, while the geometric accuracy of the surveying and mapping camera is ensured, the real-time performance of measurement and the comprehensiveness of subsystem monitoring are realized at the same time.

The invention relates to a method for the automated operation of a device (1) for capturing biometric identification features of a person (2), as well as to a device. The method comprises the following: providing the device (1) with a camera device (4) for capturing a digital biometric facial image and a fingerprint device (13), wherein the camera device (4) for setting a recording position and the fingerprint device (13) for setting a usage position for capturing the fingerprint are adjustable by means of a displacement device (8) at least with regard to a respective height above a reference plane (5) and independently of one another;Moving the camera device (4) by means of the displacement device (8) into a current recording position such that a horizontal viewing axis (6) is formed between the camera device (4) and a person (2) arranged opposite the camera device (4); determining a current height of the camera device (4) above the reference plane (5); providing assignment data which, for a plurality of persons of different sizes, indicate a respective size-adjusted assignment between a reference height of the camera device (4) and an assigned reference position of the fingerprint device (13); determining a reference height corresponding to the current height of the camera device (4) and a reference position of the fingerprint device (13) assigned to this height;Moving the fingerprint device (13) to the assigned reference position and capturing the digital biometric facial image of the person (2) and / or the digital fingerprint of the person (2);

The invention discloses a femtosecond laser refractive surgery cutting center positioning method and device, and relates to the field of refractive surgery cutting center localization, and the method comprises the steps: obtaining a lying position eye image and a sitting position eye image of a to-be-operated patient under set illumination brightness, and determining a first iris image and a first relative position; determining a second iris image according to the lying position eye image; according to the first iris image and the second iris image, a first eyeball rotation angle is determined, a second visual axis center and a second relative position of the patient to be operated can be further calculated, negative pressure suction is guided, and before negative pressure suction and after the center of a negative pressure suction ring is aligned with the second visual axis center, if movement occurs, the first eyeball rotation angle is determined; a third iris image in the negative pressure suction process is shot, then the center of a third visual axis is calculated, the center of the negative pressure suction ring is aligned to the center of the third visual axis, and the center of the third visual axis serves as the cutting center for operation. The cutting center can be accurately positioned.

The invention provides a high-precision optical axis direction resolving method for a two-degree-of-freedom large-stroke reflecting mirror. The method comprises the following steps: firstly, determining an incident angle of the reflecting mirror at an initial zero position according to the mounting position of the two-degree-of-freedom large-stroke reflecting mirror; secondly, an analytical expression of the relation between the two rotation angles of the reflector and the change angle of the direction of the optical axis of the reflected light is established; dispersing the change angle of the visual axis direction of the reflected light within a limited range to obtain a plurality of groups of angle combinations of the reflected light; for each combination, calculating according to an analytical expression to obtain a reflector rotation angle, and constructing a relational database between the reflector rotation angle and a reflected light visual axis pointing change angle; and finally, carrying out model fitting on the database, and carrying out accurate control on the visual axis pointing of the two-degree-of-freedom large-stroke fast reflector by utilizing the model. According to the invention, polynomial fitting decoupling of the resolving relation between the rotation angle of the two-degree-of-freedom large-stroke fast reflector and the change angle of the direction of the optical axis of the reflected light is realized.

The invention belongs to the technical field of photoelectric control. The invention provides an IMU (Inertial Measurement Unit) installation deviation angle correction method based on a photoelectric pod geographic tracking mode. According to the embodiment of the invention, online calibration is carried out by converting the visual axis angle into the image and continuously correcting the target geographical tracking result, so that the positioning and geographical tracking of the photoelectric pod on the target in the calibration sortie flight are more accurate; the target positioning and geographical tracking effects of subsequent flight sorties are ensured, and the execution efficiency of flight tasks is greatly improved.

The invention provides a multi-source signal assisted positioning vehicle-mounted tracking and pointing system and method, and belongs to the field of photoelectric tracking. The system comprises a laser range finder, a vehicle-mounted pan-tilt camera, a first encoder, an interface communication module, a comprehensive control computer, a display, a data collector, a servo controller, a second encoder, a servo pan-tilt and a laser aiming confirmation device. According to the invention, a vehicle-mounted pan-tilt camera is used for identifying and capturing a target, laser ranging is used for assisting in positioning after the tracking target is confirmed, and a servo controller receives a positioning resolving signal after positioning resolving by combining encoder data on the vehicle-mounted pan-tilt camera, so that the center of a servo pan-tilt aiming optical axis is aligned to the center of the target. The rotary table is provided with a laser aiming confirmation device, the matching of a laser spot and a target is confirmed through a vehicle-mounted pan-tilt camera, and a confirmation signal is fed back to carry out a next target task. The feedback mechanism ensures the self-adaptive capability of the whole system, so that the system can be continuously adjusted in a dynamic environment to realize accurate aiming.

The invention discloses a hotspot target tracking method and device based on load detection and star sensor resetting, and belongs to the field of spacecraft attitude control. The method comprises the following steps: estimating longitude, latitude and elevation information of a target according to a time scale of load target detection information and historical load visual axis ground pointing point information; according to the maximum attitude maneuverability of the system and a five-order polynomial guide model, the fastest moment of target recapture is determined by taking time as an iteration quantity, and the target attitude in the target recapture process is autonomously planned and closed-loop control is carried out; after the target is captured again, the control system performs closed-loop control according to load real-time detection information to ensure that the target is located in the center of a load view field, and the load performs continuous imaging; after tracking imaging is finished, a guiding process of returning to scanning imaging is autonomously planned; in the whole process, the current attitude is automatically reset according to a double-vector attitude determination result of the high-precision star sensor by taking the angular velocity as a constraint, so that the pointing precision is ensured.

The invention discloses an airborne low-detectability photoelectric long-distance stable tracking and aiming method based on a time-sensitive opposite target, and belongs to the technical field of airborne photoelectric detection and target tracking. The method comprises the following steps: step 1, target detection and miss distance calculation: in a level flight section of an airplane, imaging a target in a field of view, carrying out target detection by adopting an optical flow method, and detecting a moving target by analyzing a motion vector of pixel points in an image sequence; and resolving the deviation amount of the target image relative to the visual axis in real time, namely the target pixel miss distance. 2, designing a stable tracking loop: designing a two-layer control structure for the stable tracking loop, stably inhibiting high-frequency disturbance by a gyroscope of an inner loop, performing tracking correction on low-frequency deviation by an outer loop based on pixel miss distance, and finally realizing high-precision tracking. On the basis of real-time pixel miss distance feedback, a two-layer control structure is designed, the miss distance fed back by an outer ring tracking loop is converted into an inner ring control instruction, and the tracking precision and stability are improved.

The invention provides a BiLSTM-CNN-based noise reduction reconstruction method and system for micro-angle measurement time data. The method comprises the steps of obtaining micro-angle measurement time data of a visual axis pointing change micro-angle measurement system; analyzing data change characteristics and noise distribution rules of the micro-angle measurement time data; generating a micro-angle measurement data set according to the data change characteristics and the noise distribution rule; training a BiLSTM-CNN model used for realizing micro-angle measurement time sequence denoising based on the micro-angle measurement data set, and searching an optimal hyper-parameter combination of the BiLSTM-CNN model by using a Bayesian search algorithm to obtain a micro-angle measurement time sequence denoising model; the micro-angle measurement time sequence denoising model is adopted to carry out noise reduction reconstruction on the micro-angle measurement time data to be processed, so that the noise influence of the micro-angle measurement time data is reduced, and the precision of a micro-angle measurement system is improved.

The invention belongs to the technical field of automatic control, and particularly relates to a memory tracking method for a two-axis photoelectric holder. The method comprises the following steps: S1, fixing a two-axis photoelectric holder on a carrier; s2, performing stable tracking on the tracking target by adopting a stable tracking mode, and calculating the movement speed # imgabs0 # of the tracking target under the geographic coordinate system; s3, judging whether the tracked target is in a shielded state in the tracking process of the two-axis photoelectric holder, if so, executing the step S4, and otherwise, executing the step S5; s4, the azimuth guide angular rate and the pitching guide angular rate of the two-axis photoelectric holder are solved reversely, and memory tracking of the tracking target is achieved until the visual axis of the two-axis photoelectric holder points to the tracking target again; and S5, judging whether the tracking task continues to be executed or not, if so, executing the step S2, and otherwise, ending the tracking task for the tracking target. According to the invention, memory tracking is carried out when the tracking target is lost, so that the target can be automatically captured and re-tracked when the tracking target appears again.

The invention provides a photoelectric servo turntable visual axis stability control method based on a self-adaptive sliding mode controller, which comprises the following steps of: firstly, establishing a multi-body dynamic model considering the coupling effect between different frames of a servo system and carrier disturbance, and then designing an integral nonsingular terminal sliding mode surface aiming at the visual axis stability control problem of a photoelectric system; designing a sliding mode control adaptive fast reaching law so as to enable the photoelectric servo system to rapidly approach the sliding mode surface; and finally, designing a self-adaptive nonsingular Terminal sliding mode controller, and carrying out visual axis stable speed loop control on the multi-axis turntable photoelectric servo control system. The model is suitable for any multi-rigid-body system, and the dynamic model of the system can be obtained only by inputting system parameters. By adopting the method disclosed by the invention, the photoelectric servo system can be quickly converged to a steady state, and the robustness to external interference is enhanced, so that the stable performance of an optical television shaft is improved.

A self-adaptive optical axis and visual axis consistency correction method comprises the following steps: firstly, calibrating an angle between a camera coordinate system and a laser coordinate system, adjusting an image visual axis to be parallel to the axis of a guide rail by using a standard long linear guide rail, controlling a plane target vertical to the guide rail to move on the linear guide rail, and shooting images at the positions of the nearest working distance and the farthest working distance; the distance values of the two positions are recorded at the same time, the pixel coordinates of the laser spots in the image are obtained through image processing, the space coordinates of the two light spots in a camera coordinate system are calculated through the focal length and pixel size parameters of the camera according to a camera imaging model, and a linear equation of the laser axis is established in the camera coordinate system; then, according to the distance obtained through laser ranging, the actual focal length of the camera and the pixel size, the pixel coordinate of a laser spot deviating from the center of the image at the current position is solved through a laser axis linear equation, the original image is cut and displayed with the pixel coordinate of the laser spot as the center, and real-time correction of the visual axis is achieved.

The invention relates to an eye movement tracking method and device based on adaptive filtering and eye movement equipment, and the method comprises the steps: obtaining an eye movement image of a to-be-tracked eyeball, and calculating a visual axis result of a current frame; performing feature comparison based on the eye movement image, and judging whether the eyeballs to be tracked move or not; when it is determined that the eyeballs to be tracked do not move, a visual axis result subjected to filtering processing is output; and when it is determined that the eyeballs to be tracked move, directly outputting a visual axis result. Through the eyeball tracking method and device, the state of the eyeball to be tracked can be determined through feature comparison, filtering processing is carried out according to the state of the eyeball to be tracked when fixation does not move, and the visual axis result is directly output when glancing moves, so that the problem that the requirements of sight calculation accuracy and quick response cannot be met is solved.

The invention discloses an optical-mechanical-electrical highly integrated modular two-axis aviation photoelectric pod, which belongs to the technical field of photoelectric tracking, is mounted at the bottom or the front end of an aircraft, and comprises a photoelectric sensor load cabin module, the photoelectric sensor load cabin module is mounted on a rotating part of the pitching module through screws which are uniformly distributed in the circumferential direction; and the azimuth module and the pitching module are mounted on the azimuth module rotating part through screws which are uniformly distributed in the circumferential direction, and drive the photoelectric sensor load cabin module to do azimuth rotation along with the azimuth module. Photoelectric detection, imaging and tracking are carried out through the carried imaging sensor, the influence of machine body disturbance on stable tracking of a visual axis can be counteracted through precise motion, and while high motion precision is guaranteed and the wide-temperature application range is met, the optical-mechanical-electrical integration is high, the weight is low, the modular design is achieved, and assembly and disassembly are convenient.

The invention relates to an optical element desensitization method based on thermal stability of a visual axis of a space optical camera, and relates to the technical field of space optical cameras, and the method comprises the following steps: establishing a visual axis stability optical sensitivity matrix; key optical elements are positioned and optimized; analyzing the surface performance of the optical element; and the visual axis error is calculated through complete machine thermal load simulation analysis. According to the optical element desensitization method based on the thermal stability of the optical axis of the space optical camera, the key optical element influencing the stability of the optical axis of the space optical camera is accurately positioned by establishing the linear optical model, targeted optimization is performed, and the efficiency is improved; an optical element influencing the stability of the visual axis is directly subjected to structural optimization, rigid body displacement constraints are integrated in an optimization model, the sensitivity of the optical element to thermal loads is reduced, and the stability of the visual axis of the whole machine is more effectively guaranteed.

A method for exporting a three-dimensional dental design model based on a three-dimensional dental library model (4) from an augmented reality application (6) which is adapted to visualize an image of the dental library model (4) rendered by a virtual camera with a preliminary pose and scale in a photo (2) of a face of a patient taken by a camera under a viewing axis to the face of the patient, the photo (2) including a mouth opening showing at least part of the present situation of the patient's dentition.

The invention relates to the technical field of image processing, and discloses an image motion error processing method, system and device and a medium, and the method comprises the steps: determining a real position and an expected position through the position, corresponding to a selected region in wide-angle imaging, of a long-focus picture in the wide-angle imaging, thereby determining the image motion error of all long-focus regions in the wide-angle imaging; the image motion error is converted into the azimuth angle and the pitch angle of the visual axis under the coordinate system of the two-dimensional pointing mirror, so that the rotation degree required for adjusting the image motion error currently is determined, the image motion error is effectively reduced, image distortion is avoided, complex calculation is not needed, the problem of difficulty in accurate positioning of a visual field expansion system is effectively solved, and the visual field effect is also improved. And fatigue and easy damage are caused by frequent use.

The application discloses a rotating mirror type binocular vision laser tracking light break recovery system and method. The system comprises a rotating mirror type laser tracker and a binocular vision module, two cameras in the binocular vision module are symmetrically installed on both sides of a laser beam, and camera visual axes and a laser optical axis are reflected to a working area through a rotating mirror of the tracker. The method comprises the following steps: a virtual imaging plane model in which the camera visual axes and the laser optical axis are coincident is constructed in advance; after the light break occurs, an infrared illumination light source of a vision system is modulated, frame difference images of modulation wave crests and troughs are acquired and processed, a current position of a target mirror and a predicted light break recovery rotation angle are obtained, and error compensation is performed on the current position and the predicted light break recovery rotation angle; and corresponding motors are driven to rotate according to the compensated light break recovery rotation angle, so that the laser beam is re-aligned to the target mirror. The application reduces the coaxial installation difficulty of a vision system of a rotating mirror type laser tracker, and improves the target mirror recognition rate and the light break recovery servo angle accuracy in a large range of complex environments.

Eyeglasses are disclosed that include eyeglass frames and a pair of ophthalmic lenses mounted in the frames. The lenses include a dot pattern distributed across each lens, the dot pattern including an array of dots spaced apart by a distance of 1 mm or less, each dot having a maximum dimension of 0.3 mm or less, the dot pattern including a clear aperture free of dots having a maximum dimension of more than 1 mm, the clear aperture being aligned with a viewing axis of a wearer of the pair of eyeglasses.

The invention belongs to the technical field of optical adjustment of large-aperture telescopes, and particularly relates to a device and a method for in-situ measurement of optical axis errors of a large-aperture telescope in an external field. The method comprises the following steps: S1, roughly adjusting the four-dimensional adjusting base to enable the auto-collimation light pipe to be aligned with the center of a pitch axis of a to-be-measured piece; s2, rotating the pitch axis of the to-be-measured piece, and adjusting the angle inclination adjusting mechanism to enable the reflecting surface of the plane mirror to be perpendicular to the optical axis of the auto-collimation light pipe, and at the moment, enabling the optical axis of the auto-collimation light pipe to coincide with the pitch axis of the to-be-measured piece; s3, using the to-be-detected piece to track a natural star, when the natural star is located at the center of the detector target surface of the to-be-detected piece, rotating the rotatable pentaprism mechanism to enable the third window to be aligned with the natural star, and enabling the natural star to be imaged on the detector target surface of the auto-collimation light pipe and the detector target surface of the to-be-detected piece at the same time; and S4, calculating a visual axis error of the to-be-measured piece based on the imaging track of the natural star. According to the invention, the process can be simplified, the efficiency can be improved, and the large-aperture telescope optical axis difference can be measured in real time in an out-field on-site manner.

The invention provides a fitting method of a 3D eye model and electronic equipment, and aims to improve the accuracy of the eye model. Comprising the following steps: in response to an eye model fitting instruction, obtaining eye images obtained when eyes of a user watch fixation points at different positions; obtaining eyeball parameters of the user by using the image position coordinates of the pupil center of the user in each eye image and the standard visual axis vector corresponding to each eye image; obtaining a current eyeball rotation angle based on the eyeball parameters of the user and the image position coordinates of the pupil center in the current eye image every specified duration; according to the current eyeball rotation angle and the eyeball parameters, current eyeball model parameters are obtained, and the eyeball model parameters comprise the position vector of the eyeball center, the position vector of the pupil center, the position vector of the curvature center and the visual axis vector; and updating a preset initial eye model by using the current eyeball model parameters of the user to obtain a current 3D eye model of the user.

The invention discloses a high-frequency disturbance suppression method based on repeated sampling in a tilting mirror system, which is mainly used for tracking and controlling real-time high-frequency disturbance signals and reducing optical axis errors, especially for high-frequency disturbance signals which are limited in sensor sampling and difficult to suppress. The method comprises the steps of identifying whether an unknown signal is aliasing or not through a sampling scheme with a variable sampling period and obtaining frequency information of actual disturbance, and then recovering an actual high-frequency signal component exceeding the Nyquist frequency of a sensor through a repeated sampling algorithm. And finally, designing a multi-rate parallel repetitive control scheme to compensate and suppress high-frequency disturbance signals exceeding the closed-loop bandwidth. The method can effectively solve the problem that tracking control is difficult to realize due to aliasing of high-frequency disturbance signals when sampling of the image sensor is limited, and improves the anti-interference capability of the system.

The invention provides an eye movement tracking method, a control unit and eye movement tracking equipment, and relates to the technical field of eye movement tracking. The method comprises the steps of obtaining a surface image of a target eyeball; extracting composite phase distribution from the surface image, wherein the composite phase distribution represents phase coupling information after the incident light is jointly modulated by a cornea interface and a crystalline lens interface of the target eyeball; based on eyeball geometric constraint and cornea interface smoothness prior, according to the composite phase distribution, constructing a decoupling objective function with separation of cornea phase distribution and crystalline lens phase distribution as a target; taking a minimum decoupling objective function as an optimization objective, and iteratively determining cornea phase distribution decoupled from crystalline lens phase distribution; and determining the visual axis direction of the target eyeball according to the cornea phase distribution. Through the double-interface phase decoupling technology, the visual axis error in a large view field and eyeball depth motion scene is effectively reduced, and the eye movement tracking precision is remarkably improved.

A weapon display device includes a display engine, a waveguide, and a chassis. The display engine is configured to selectively output light. The waveguide is configured to receive the light from the display and output graphics to the user. The chassis is coupled to the display engine and the waveguide, and is further configured to releasably mount to one of a weapon or an optic mounted to the weapon such that a field of view through the waveguide is aligned with an optical axis of the optic.

Systems and methods are provided for implementing a phased array antenna with an optical axis direction. A scan angle within a defined scan angle range is selected for the phased array antenna such that the selected scan angle differs from a scan angle associated with the visual axis direction. An antenna port impedance associated with each of a plurality of antenna elements constituting the phased array antenna varies with the scan angle of the phased array antenna. A plurality of amplifiers are each coupled to an antenna port of one of the plurality of antenna elements. Each amplifier of the plurality of amplifiers is configured such that a maximum of performance characteristics of the plurality of amplifiers is achieved when an impedance at the antenna port corresponds to the selected scan angle.

Systems, methods, and computer program products for displaying virtual contents using a wearable electronic device determine the location of the sighting centers of both eyes of a user wearing the wearable electronic device and estimate an error or precision for these sighting center. A range of operation may be determined for a focal distance or a focal plane at the focal distance based at least in part upon the error or the precision and a criterion pertaining to vergence and accommodation of binocular vision of the virtual contents with the wearable electronic device. A virtual content may be adjusted into an adjusted virtual content for presentation with respect to the focal plane or the focal distance based at least in part upon the range of operation. The adjusted virtual content may be presented to the user with respect to the focal distance or the focal plane.

The invention relates to the technical field of wind turbine generator blade clearance monitoring, and provides a method for measuring wind turbine generator blade clearance through unmanned aerial vehicle machine vision, and an unmanned aerial vehicle carries a machine vision system to fly to a proper position on the side surface of a cabin for picture alignment and then stays; the machine vision system carries out video recording to obtain image data, and carries out real-time clearance calculation according to preset parameters and a blade tower drum identification result; and within continuous time t, when the machine vision measurement optical axis is perpendicular to the symmetry plane of the cabin or the vertical deviation angle is within the vertical deviation angle threshold range, the duration ratio exceeds 80%, and blade clearance measurement is completed. According to the method, the wind turbine generator blade clearance is measured based on unmanned aerial vehicle machine vision, the perpendicularity of a machine vision measurement visual axis and a cabin symmetry plane in the measurement process is judged, and the accuracy and effectiveness of a clearance measurement result are ensured.

The invention provides a line-scan digital camera optical axis thermal stability laboratory calibration method and system, and relates to the field of aerospace and aviation optical remote sensing imaging, and the method comprises the steps: carrying out the imaging of a geometric target collimated by a collimator through a to-be-measured camera, recording the image data of the geometric target and the temperature data of the camera at all moments, and obtaining the thermal stability of the optical axis of a linear array camera according to the characteristics of the geometric target; and determining the coordinates of the mass center position of the geometric target image, calculating the temperature drift amount of the line-scan digital camera optical axis in the along-rail direction and the vertical-rail direction, fitting to obtain the thermal stability coefficients in the two directions, and realizing the laboratory calibration of the thermal stability of the line-scan digital camera optical axis. The method solves the problem that the thermal stability of the optical axis of the linear array camera is difficult to calibrate at high precision in a laboratory, and the calibration precision is at a sub-pixel level. The system is simple in structure and high in adaptability, the static MTF testing function can be expanded, linear array camera optical axis thermal stability laboratory calibration and static MTF testing are carried out at the same time, and the development period is shortened.

The invention relates to an off-axis three-reflector system design method and system based on a vector aberration theory. The method comprises the following steps: determining the focal length of an off-axis three-reflector system; determining the distance between the mirrors and the distance between the three reflectors and the image surface; according to the design requirements of the coaxial three-reflector system, calculating the curvature radiuses and quadric surface coefficients of the three reflectors; calculating the pupil radius of the pupil off-axis front three-reflector system according to the relationship between the pupil radius before and after the pupil off-axis and the pupil eccentric vector, and determining a wave aberration expression of the pupil off-axis rear three-reflector system; based on a paraxial ray tracing method and a vector aberration theory, establishing analytic expressions of a visual axis error, an increased coma error and an increased astigmatic aberration on a primary imaging surface about an inclination amount and an eccentricity amount; by taking optical axis error, coma error minimization and astigmatic aberration minimization as constraint conditions, optimally solving inclination amounts and eccentricity amounts of the three reflectors; structural parameters of the three-mirror system are optimized through optical simulation software. The efficient and reliable design method and system are achieved.