360 results about "Wide field" patented technology

An x-ray apparatus and method can improve x-ray imaging in a variety of ways. For example, the improve x-ray apparatus can reduce scatter from x-ray images acquired by two-dimensional detectors. An improved 2D x-ray apparatus can provide 3D imaging for medical and / or industrial applications. An improved 2D x-ray apparatus and method can produce separate material imaging, and composition analysis for characterization and correlation of image, densitometry, and composition information of individual component or individual material within a single subject. Non-rotational 3D microscopy, combining 2D or 3D full field x-ray imaging and high resolution 2D or 3D x-ray microscopy or spectral absorptiometry and spectroscopy can achieve a higher resolution and wider field of view in x-ray imaging and quantitative analysis in 3D and real time. The x-ray apparatus can improve tracking and / or surgical guidance in time and / or space.

The invention discloses a pitaya robot system based on intelligent treatment and recuperation and a control method, and the system comprises a high-precision image collection and human body image collection and three-dimensional reconstruction module which is used for precisely recognizing and positioning a treatment region and acupoints; the core physician manipulation digitization module is used for finely capturing professional treatment manipulations and standardized recuperating manipulations of deep physicians for operating pitayas through a multi-dimensional sensor array and forming a manipulation model library; the intelligent strategy generation module based on artificial intelligence can call, fuse or optimize and generate an optimal execution scheme from a corresponding model library according to a mode selected by a user; and the high-precision and compliant force control robot execution module reproduces the digitized technique of the pitaya in a high-fidelity manner under the real-time closed-loop control of visual guidance and force sense feedback. Through the double-track parallel strategy, quantification, inheritance and popularization of the high-level pitaya therapy are achieved, and application of the high-level pitaya therapy is pushed to the wide field.

The invention provides a light source multiplexing diamond NV color center wide field detection system and an illumination detection method. The system comprises a diamond containing an NV color center, an exciting light module, a first double-color sheet, an objective lens, a second double-color sheet, a wide field imaging module, an illumination imaging module and a microwave module, exciting light generated by the exciting light module irradiates the first double-color piece, is guided to the objective lens, and irradiates the diamond after being transmitted by the objective lens so as to excite the NV color center of the diamond to generate fluorescent light; the objective lens is of an infinity type; the exciting light is irradiated to a sample to be detected after being transmitted by the diamond; fluorescent light and exciting light from a sample to be detected are collected by the objective lens, then transmitted to the first double-color piece and guided to the second double-color piece through the first double-color piece, the second double-color piece guides the fluorescent light to the wide-field imaging module for imaging, and the exciting light in the second double-color piece is guided to the illumination imaging module for imaging. Illumination can be achieved in the exciting light working state, exciting light switching operation in the prior art is avoided, and efficiency can be remarkably improved.

The invention discloses a bionic visual positioning system and method based on multispectral perception and a storage medium, and the system comprises a front-end multidimensional optical perception module, a mesopic vision preprocessing module and a rear-end fusion perception and target positioning module, the front-end multi-dimensional optical sensing module is used for performing optical imaging, spectral decomposition and polarization imaging; the mesopic vision preprocessing module is used for carrying out image preprocessing and optical flow estimation; and the rear-end fusion perception and target positioning module is used for feature fusion and target identification and positioning. According to the bionic visual positioning mechanism, through a bionic compound eye structure + multispectral + polarization + optical flow fusion perception strategy, the perception bottleneck of a traditional visual system in a high-dynamic and complex illumination environment is effectively solved, and the bionic visual positioning mechanism has the advantages of high robustness, low delay, wide field of view, multiple modes and the like; the method is especially suitable for application scenes such as automatic driving, unmanned aerial vehicles, robots and the like with extremely high requirements on real-time performance and reliability.

An information handling system camera provides a 117 degree field of view with low distortion by capturing visual images through a lens having eight lens elements. The first lens element closest to the object, the third lens element and the sixth lens element each have a glass material, the remaining lens elements have a plastic material. The first two lens elements and the last lens element each have a negative refractive power and the remaining lens elements have a positive refractive power. Lens elements two and four through eight each have aspherical surfaces.

The invention discloses a one-dimensional ultra-wide field-of-view ultra-high spectral resolution dispersion coherent imaging spectrometer, which belongs to the technical field of spectral imaging, and comprises a first microlens array used for obtaining incident light of a one-dimensional ultra-wide field-of-view in a horizontal plane; the plurality of optical fibers are used for transmitting incident light of a one-dimensional ultra-wide field of view; the second micro lens array is used for collimating incident light from each optical fiber into broadband parallel light beams; the grating beam splitter interferometer is used for dispersing the broadband parallel light beams into a plurality of narrow-band parallel light beams with different propagation directions; the cylindrical lens is used for converging the two paths of coherent light of each narrow-band parallel light beam to a target block of the detector, and converging the narrow-band parallel light beams with different propagation directions to different target blocks respectively; and the detector is used for obtaining a continuous broadband ultra-high resolution spectrum according to the two paths of coherent light received by each target block. According to the invention, a one-dimensional ultra-wide field of view is obtained in a horizontal plane, and ultra-high spectral resolution can be obtained.

The invention provides a large-view-field-oriented dispensing method and system, and the method comprises the steps: obtaining imaging parameters of an industrial camera above a dispensing machine, controlling a dispensing head to carry out sparse sampling in the height direction, carrying out grid scanning at a plurality of discrete height layers, and obtaining object image mapping relation matrixes corresponding to the discrete height layers; acquiring the surface height of a to-be-dispensed workpiece, selecting the object image mapping relation matrix of the discrete height layer which is closest to the surface height of the workpiece and is smaller than or equal to the surface height of the workpiece as an initial object image coordinate conversion matrix of the workpiece, acquiring the image coordinate of the current dispensing point of the workpiece, and determining the dispensing point of the workpiece according to the height difference between the surface height of the workpiece and the selected discrete height layer. Obtaining a physical coordinate offset according to imaging parameters of the industrial camera; the initial position of the dispensing point is determined through sparse sampling, the offset of the dispensing point based on the initial position is determined based on the imaging geometrical relationship, the dispensing point can be rapidly and accurately positioned, and the efficiency and precision of dispensing operation are improved.

The invention, which belongs to the technical field of spectral imaging, discloses an ultra-wide-band ultra-wide-field-of-view high-spectral-resolution real-time imaging spectrometer comprising a first micro-lens array, a plurality of optical fibers, a plurality of second micro-lens arrays and a plurality of assemblies. First micro lenses in each column of the first micro lens array are arranged on a vertical plane arc, and micro lenses in each row are arranged on a horizontal plane straight line, so that incident light of a one-dimensional ultra-wide view field is obtained in real time; through optical fiber coupling, incident light is transmitted to the second micro lens array to be collimated into parallel light beams; according to the components, light of different wavebands is processed through the optical filter, the plane transmission grating and the detector, first-order diffraction light beams of different wavelengths in the different wavebands are received by the detector after diffraction, and space information and spectral information are obtained in real time according to an irradiated target block. The imaging spectrometer provided by the invention has the advantages of ultra-wide wave band, ultra-wide field of view, high spectral resolution, real-time measurement, compact structure and high stability, and is suitable for a remote sensing photoelectric reconnaissance detection system.

The invention provides a large-view-field multi-view camera calibration method, system and device and a medium. The method comprises the following steps: acquiring a multi-view-field target plate image in a large-view-field plane by using a monocular camera; the target plate comprises a plurality of coding targets; obtaining target feature points of the plurality of coding targets based on the target plate image so as to correspondingly obtain target code values based on the target feature points; and obtaining a three-dimensional point coordinate of each target feature point based on each target code value, and carrying out multi-view camera calibration based on the three-dimensional point coordinates. According to the invention, the large-view-field multi-view camera can be calibrated, and the calibration precision is high.

The invention relates to the technical field of quantum sensing and optical instruments, and discloses an integrated scanning confocal microscope for diamond NV color center quantum sensing, which comprises a control module, an integrated circuit module, an integrated laser module and an integrated light path module, the control module is used for exciting a diamond NV color center, the integrated light path module realizes two-dimensional scanning of a laser beam on a sample focal plane through a galvanometer, an objective lens is used for collecting NV color center fluorescence, meanwhile, a single-photon counter and a camera are arranged, confocal detection and wide-field microscopic imaging are realized, and the integrated circuit module receives an instruction of the control module. The microscope can realize confocal scanning fluorescence imaging, optical detection magnetic resonance spectrum measurement and NV color center spin coherent control experiments, such as Rabian oscillation, Rahm, Haln echo and spin relaxation experiments, and provides comprehensive experimental ability for diamond NV color center quantum sensing.

A system for free-space optical coupling between a two-dimensional optical transmitter array and a two-dimensional optical receiver array using planar optical elements includes a transmitter array configured to emit one or more optical beams, a first planar optical element configured to receive the optical beams from the transmitter array and generate one or more intermediate optical beams, a first spacer disposed between the optical transmitter array and the first planar optical element, a receiver array, a second planar optical element configured to receive the intermediate optical beams and generate one or more output optical beams directed to the receiver array, and a second spacer disposed between the second planar optical element and the optical receiver array. The TX and RX portions of the optical coupling system can be used in a LiDAR system as a light emitting element (beam steerer) and a detector, respectively. The planar optical element is configured to provide a wide field of view for the LiDAR.

In various aspects, microscope systems are described, comprising or corresponding to optical microscopes, such as for example a transillumination microscope or a fluorescence microscope. The microscope systems may be used independently or configured with or integrated into another device or system, such as an imaging mass spectrometer or imaging mass cytometer. In various embodiments of this aspect, the microscope system is used to obtain one or more images of a sample, such as at a variety of different light collection wavelengths and / or for a variety of different illumination conditions. The microscope systems can employ various optical components and configurations allowing for high throughput imaging, such as components for imaging the sample at suitable resolutions with a wide field of view and / or for spatially separating different detection channel wavelengths from light output (e.g., transmitted or emitted light) from the sample.

The utility model discloses a wide-field Fourier transform hyperspectral imaging device and system, and the device comprises a microscope assembly which is disposed at one side of an imaging sample, and is used for carrying out the focusing amplification imaging of the imaging sample, and then outputting corresponding first signal light; the input end of the pulse shaping assembly is arranged corresponding to the output light path of the microscope assembly, and the pulse shaping assembly is used for modulating and shaping the first signal light output by the microscope assembly and then outputting an interference signal of the whole imaging sample; the input end of the imaging detection assembly is arranged corresponding to the output light path of the pulse shaping assembly, and the imaging detection assembly is used for focusing, imaging and detecting the interference signals, output by the pulse shaping assembly, of the imaging sample at different spatial positions, converting the interference signals into a plurality of electric signals and outputting the electric signals. The utility model aims to improve the scanning speed of the imaging sample.

This invention discloses a design method for a plane-multiplying relay structure of a wide-spectrum, wide-swath hyperspectral imaging telescope, relating to the field of optical design technology. The method includes establishing a model for realizing a controllable aberration-multiplying relay structure. This model consists of four closely related parts: field segmentation, plane multiplication, telecentricity adjustment, and field curvature / distortion adjustment. Based on this model, the interrelationships between the number of field segmentations, plane multiplication rate, image-side telecentricity adjustment, field curvature / distortion adjustment, and relay structure parameters of the hyperspectral imaging system are clarified. Based on these parameter relationships, a design method for the initial relay structure is further proposed. Using the plane-multiplying relay structure of this invention, wide-spectrum, wide-swath hyperspectral imaging is achieved, breaking through the technical bottleneck of traditional telescopes' difficulty in connecting multiple large-field-of-view spectrometers and large-scale detectors.

This invention relates to the field of fast reflector technology, specifically to a two-dimensional large-angle fast reflector device based on a PCB eddy current sensor. The device includes: a flexible support assembly that enables the reflector assembly to deflect in a two-dimensional direction, and which, after angular displacement, returns to its original position through elastic deformation; and an eddy current sensor probe comprising multi-layer coils printed on an eddy current circuit board, with each pair of probes symmetrically arranged on the board. This invention, through the flexible support assembly and a moving-magnet drive structure, enables the reflector assembly to achieve large-angle deflection in two orthogonal directions. Compared to traditional micro-angle deflection structures, the maximum deflection angle is significantly increased, covering a wider field of view, making it suitable for applications such as large-field-of-view scanning, rapid target acquisition, and wide-angle beam control.

The invention discloses a follow-up camera mounting mechanism for a forklift, which comprises a guide rail, a sliding block seat, a camera fixing plate assembly, a camera bracket, a camera and a supporting plate, and is characterized in that the sliding block seat is detachably and fixedly connected to a fork arm carrier of the forklift through a sliding block seat mounting plate; the guide rail penetrates through the notch in the sliding block base and can slide up and down in the sliding block base in the vertical direction. A plurality of stepped holes are formed in the guide rail at equal intervals in the vertical direction, the camera is detachably and fixedly connected to the stepped hole located in the bottom of the guide rail through a camera fixing plate assembly, a limiting screw is arranged in the stepped hole located in the top of the guide rail, and the camera is covered with a camera support and fixedly connected with the camera fixing plate assembly through the camera support; the supporting plate is fixedly connected to an outer door frame of the forklift, extends to the position below the camera fixing plate assembly and is arranged to be capable of preventing the camera fixing plate assembly from continuing to descend. The camera is simple in structure, convenient to assemble, longer in service life, wider in visual field range and higher in working safety.

The invention discloses double-curvature glass with precise wide view and production equipment and method thereof, and belongs to the technical field of glass production, the double-curvature glass comprises a hot bending furnace, the hot bending furnace is detachably connected with a double-curvature mold, the hot bending furnace is electrically connected with a driving mechanism, and the driving mechanism is connected with a conveying mechanism and used for conveying the glass forwards; the hot bending furnace is provided with a first temperature and a second temperature, so that different areas of the glass obtain corresponding expansion coefficients to form double curvatures, and the double-curvature mold has a first curvature and a second curvature matched with the glass. According to the invention, curvature limitation is broken through, product innovation is realized, the technical bottleneck that only single-curvature glass can be prepared by an existing single-curvature hot bending process is solved, and preparation of double-curvature glass products with two different preset curvatures is successfully realized; the glass can be widely applied to the fields with high requirements on the view field and the imaging precision, such as automobile rearview mirrors, intelligent terminal display modules, optical instruments, security monitoring equipment and the like, and the application boundary of glass products is expanded.

An optical assembly includes a primary mirror, a secondary mirror, and an optical steering system configured to support and position the primary mirror and the secondary mirror. The optical steering system includes a base and a yoke rotatably coupled to the base. The yoke is configured to support the primary mirror to rotate the primary mirror about a first axis and to support a secondary mirror to rotate the secondary mirror about a second axis. The yoke further is configured to rotate the primary and secondary mirror about a third axis. The secondary mirror is configured to move from a stowed position in which the optical assembly is positioned to receive an image from a field of view to a deployed position in which the optical assembly is positioned to receive an image from a field of regard.

A reimaging lens assembly includes a pentaprismatic optic that includes two reflective surfaces and two refractive surfaces. The reflective surfaces are powered surfaces, and the reflective surfaces may be spherical, aspherical, and / or freeform reflective surfaces. The pentaprismatic optic may receive light from a wide field of view (WFOV), and may change the angle of the output light from that of the input light, for example by 90 degrees. The pentaprismatic optic may be coupled to an image receiver, such as a cooled or uncooled camera. The reimaging lens assembly may include further optical elements between the pentaprismatic optic and the image receiver, such as one or more lenses, filters, and / or cold stops. The lens assembly provides a compact system, with a small number of optical elements, and with desensitized output that reduces image jitter.

The invention relates to the technical field of microscopic imaging, and provides a microscopic imaging method and system based on a transmission-type relay projection screen, and the method comprises the steps: S1, enabling a laser to emit a light beam to irradiate a sample, and enabling the diffraction light of the sample to be projected to the transmission-type relay projection screen; s2, shooting the transmission-type relay projection screen on the other side of the transmission-type relay projection screen, and recording a power spectrum image of the sample; wherein the laser, the sample and the shooting camera are on the same axis, and the axis is perpendicular to the transmission-type relay projection screen; and S3, reconstructing the power spectrum image of the sample to obtain a target reconstructed image. The scheme has the characteristics of coaxial arrangement, simple structure, easy integration, long working distance, large depth of field, wide field of view and high resolution, can effectively reduce perspective distortion, and is convenient to combine with other technologies. The system does not need scanning measurement or wavefront modulation, so that the cost, complexity and operation difficulty of the system are reduced.

An imaging lens system is provided. The imaging lens system includes a first lens having refractive power, a second lens having refractive power, a third lens having a concave object-side surface, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having a concave object-side surface, and a seventh lens having refractive power. The first to seventh lenses may be sequentially disposed from an object side to an imaging side. In the imaging lens system, 20<V1−V3 and 190°≤FOV, where V1 is an Abbe number of the first lens, V3 is an Abbe number of the third lens, and FOV is a field of view of the imaging lens system.

The inspection lamp capable of being adjusted and positioned at multiple angles comprises an installation rod and an inspection lamp body, the inspection lamp body is installed on the upper side of the installation rod, a rotary disc is rotationally connected to the side wall of the installation rod, a limiting pin for fixing the rotary disc and the side wall of the installation rod is arranged between the rotary disc and the side wall of the installation rod, and a guide frame is connected to the upper end face of the rotary disc. A guide rod is arranged on the inner side of the guide frame, rotating teeth are rotationally connected to the inner wall of the guide frame, and the inspection lamp is installed on the side wall of the front end of the guide rod. When the inspection lamp is used, the angle of the inspection lamp can be adjusted through rotation of the universal joint of the inspection lamp and the guide rod, and the extension angle of the inspection lamp can be changed; meanwhile, after adjustment is completed, the examination lamp can be rapidly limited and fixed, meanwhile, the guide rod can move front and back, and therefore the examination lamp can accurately extend to the examination position according to the actual examination requirement, better illumination is provided, and a wider visual field range is provided for medical staff.

To improve sampling time while collecting microscopic data on the composition of a sample over a wide field of view.SOLUTION: The system includes an infrared radiation source 200 configured to illuminate a broad area of a sample with a beam of infrared radiation, a probe radiation source 222 configured to illuminate the broad area of the sample with a beam of probe radiation, a collector 212 configured to collect as collected probe radiation at least a portion of the probe radiation from each of a plurality of spatially resolved locations on the sample, and at least one camera 250 configured to detect as collected probe radiation at least a portion of the probe radiation from each of the plurality of spatially resolved locations on the sample and generate a signal indicative of infrared absorption corresponding to each of the plurality of spatially resolved locations.SELECTED DRAWING: Figure 2

The application discloses a kind of multi-mode optical fiber wavelength multiplexing wide field imaging quality promotion methods based on dynamic calibration.The method comprises the following steps: collecting the output speckle pattern corresponding to each wavelength after being transmitted by multi-mode optical fiber;The speckle patterns of different wavelengths are spatially registered and spliced to form a high-dimensional composite speckle vector;PCA is used to bidirectionally compress the dimension of input image and composite speckle vector group, and a linear wavelength multiplexing inverse transmission matrix (WITM) is dynamically estimated and updated in low-dimensional space, and real-time pre-reconstruction and continuous monitoring are realized;Set up optical fiber state monitoring module to analyze pre-reconstruction frame in real time, when structural disturbance or optical fiber deformation is detected, automatically trigger in situ dynamic calibration, realize the rapid adaptive update of WITM, without retraining network.The updated WITM will guide the diffusion neural network image optimizer to iteratively denoise and detail repair the pre-reconstruction result, significantly improve the image fidelity and structure restoration ability.

The present invention provides a vision system camera having a multi-core processor, high speed and high resolution imager, field of view extender, auto focus lens, and pre-processor connected to the imager for pre-processing image data, and a coordinated method of operation, which provides highly desirable acquisition and processing speed, as well as image clarity, in a wide range of applications. The mechanism is effective for scanning objects requiring a wide field of view, varying in size, and moving relatively rapidly with respect to the system's field of view. The vision system provides a physical package having a variety of physical interconnect options to support a variety of options and control functions. The package is effective in dissipating heat generated internally by arranging components to optimize heat exchange with the surrounding environment, and including heat dissipation structures to facilitate such heat exchange (e.g. fins). The system also allows for a variety of multi-core process optimization and load balancing of image processing and system operation (e.g. automatic adjustment of tasks).

This invention discloses a lens system comprising four lenses, which are sequentially arranged from the object side to the image side as a first lens, a second lens, a third lens, and a fourth lens. Each of the four lenses has an object-side surface facing the object side and an image-side surface facing the image side. The object-side surface of the first lens is concave near the optical axis and has at least one convex critical point off-axis. The fourth lens has positive refractive power. The lens system comprises a total of four lenses. Under certain conditions, the lens system can simultaneously meet the requirements of a large aperture, miniaturization, and a wide field of view.

The utility model provides a super-definition distortionless face recognition lens, particularly relates to the technical field of camera lenses, and is used for solving the technical problems that an existing face recognition lens is poor in stability in a high-temperature environment, the image quality is easily interfered at night or under a complex light condition, and the use effect is affected. The lens comprises a lens shell, and a first lens element, a second lens element, a third lens element, a fourth lens element, a diaphragm, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, a cover, a rear cover and a lens barrel which are arranged in the lens shell from an object side to an image side in sequence. According to the utility model, various aberrations are effectively suppressed and corrected, so that a wide field angle, good aperture control and a clear imaging effect are realized, meanwhile, a stable and high-quality imaging effect can still be kept in a complex light and high-temperature environment, and the lens is particularly suitable for diversified requirements in various face recognition and monitoring scenes.

A wide field of view video is split into multiple perspective projections, with individual perspective projections providing a two-dimensional view of a spatial extent of the wide field of view video. Object detection is performed within individual perspective projections to determine the placement of the objects within individual perspective projections. The placement of the objects are projected back into the wide field of view video to merge the detections. Redundant detection are filtered out and the remaining detections are used to perform object tracking in the wide field of view video.

An anisoplanatic aberration correction method and apparatus for adaptive optical linear beam scanning imaging. The method comprises: in an adaptive optical linear beam scanning imaging system, performing temporal correction on an anisoplanatic region aberration in a linear beam scanning direction, and performing regional correction on an anisoplanatic region aberration in a linear beam direction. According to the method, the limitation of an isoplanatic region on an adaptive optical imaging field of view can be overcome, and wide field of view aberration correction and high-resolution imaging of a retina is realized. According to the provided method and apparatus for temporal and regional correction of a wide field of view anisoplanatic aberration, the wide field of view aberration correction can be completed by means of only a single wavefront sensor and a single wavefront corrector, such that almost none of the system complexities is increased.