102 results about "Structured illumination" patented technology

The invention discloses a lunar resource in-situ exploration-while-drilling device and method. The lunar resource in-situ exploration-while-drilling device is composed of a spiral drilling tool, an illumination light source module, a polarization spectrum detection module and a dual-channel spectrum measurement module. The drilling tool drill rod is of a hollow structure. Light emitted by the illumination light source module is collimated and depolarized to form unpolarized parallel light to irradiate lunar soil on the side wall of the drill hole, and the polarization spectrum measurement probe collects reflected light of the lunar soil; the reflected light is collimated by a front collimator objective of the probe and then sequentially passes through a spectrum modulation unit consisting of an achromatic 1 / 4 wave plate, a multi-stage wave plate, a beam splitter prism and two polaroids of which the light transmission directions are vertical to each other, and two orthogonal light beams are formed, so that polarization information of the reflected light is modulated in a spectrum dimension; demodulating the modulated spectrum to obtain the spectrum and polarization information of the lunar soil reflected light; and the resource distribution and content and the physical characteristics of the original lunar soil are inversed by using the polarization spectrum characteristics of the lunar soil. According to the invention, in-situ exploration of lunar subsurface depth profile mineral resources can be realized.

The utility model discloses a lighting structure which comprises a guide rail and a lamp body structure, the guide rail is used for being embedded into an external component to be fixed, the guide rail is provided with a sliding groove extending in the length direction of the guide rail, the lamp body structure comprises a sliding seat, a hinge structure, a lighting lamp and a focusing structure, and the sliding seat is installed in the sliding groove in a sliding mode. The illuminating lamp is rotatably connected with the sliding seat through a hinge structure; the focusing structure is connected with the illuminating lamp and used for adjusting the focal length of the illuminating lamp. The lighting structure has the advantages of being good in flexibility and applicability, the combined design of the guide rail and the lamp body structure allows the lighting lamp to be installed at any position on the guide rail in a sliding mode, flexibility is provided, and a user can easily adjust the position and the lighting effect of the lighting lamp according to specific lighting requirements.

The invention discloses a deformation measuring device and method based on structured light illumination digital speckle interferometry, the device comprises a structured light generation and phase shift unit and an imaging unit, the structured light generation and phase shift unit comprises a laser, a spatial light modulator and a spatial mask plate, the spatial light modulator and the spatial mask plate are arranged on a light path of the laser, the laser is used for generating laser, and the spatial light modulator is used for generating light; the spatial light modulator is used for loading stripe modulation patterns to form multiple beams of diffracted light propagating in different directions and realize phase shift operation, and the spatial mask plate is used for only selecting 0-level and + 1-level diffracted light beams for interference to generate structural illumination light; the imaging unit is used for recording a digital speckle image of the sample. According to the invention, the fringe modulation pattern is loaded on the spatial light modulator, the 0-level diffraction beam and the + 1-level diffraction beam are selected for interference in combination with the spatial mask plate to generate rapid structured light illumination and phase shift, the imaging speed is high, the phase shift repetition precision is high, and the accuracy of a reconstruction result is ensured.

The invention discloses a microscopic imaging device and a super-resolution microscopic imaging method, and the device comprises a sample stage which is used for containing a sample; the laser is used for emitting laser; the first digital micromirror is used for receiving the laser and generating diffracted light; the light condensing unit is used for condensing the plurality of diffracted light to form structured light so as to excite fluorescence carrying sample information; the second digital micromirror is used for receiving the fluorescence and converting the fluorescence into a random binary coding image; the image acquisition unit is used for receiving images and transmitting the images to the processing unit; the processing unit is used for reconstructing a microscopic super-resolution image based on the plurality of random binary coding images; the first digital micromirror, the second digital micromirror and the image acquisition unit are in communication connection, and the second digital micromirror controls the grating pattern conversion frequency of the first digital micromirror and controls the image acquisition frequency of the image acquisition unit. The biological cell sample can be protected from being damaged by phototoxicity and photobleaching performance, and super-resolution imaging in the structured illumination obvious microsystem is achieved.

The invention discloses a light off-axis structured light digital holographic microscopy super-resolution imaging method based on a Kramers-Kronig relation. In a light off-axis structured light digital holographic microscopy system, structural illumination patterns with different angle directions and phase shift amounts are loaded on an object light beam to acquire a structural illumination hologram, and an unloaded reference light beam is acquired to acquire a reference light intensity graph; the structure illumination hologram is combined with the reference light intensity graph to calculate complex amplitude by utilizing a KK relation, phase distortion of the complex amplitude is compensated to obtain distortion-removed complex amplitude, a frequency spectrum separation matrix is constructed by combining information during acquisition to perform frequency spectrum separation on high and low frequency components in the complex amplitude, and finally frequency spectrum synthesis is performed to realize super-resolution object light reconstruction. According to the invention, high resolution improvement can be realized, the interference problem of zero-order item frequency spectrum of the hologram under the light off-axis condition is effectively solved, the noise is obviously reduced, the imaging quality is improved, and the method has important application value in the fields of biological tissue observation, microstructure measurement and the like.

A self-supervised multimodal structured illumination microscopic reconstruction method comprises: exciting a biological sample with structured illumination to obtain J raw fluorescence image sequences, wherein J is an integer greater than or equal to 1, each raw fluorescence image sequence comprises S fluorescence images, S being an integer greater than or equal to 2; generating a training set for each raw fluorescence image sequence among the J raw fluorescence image sequences; training a denoising neural network on the basis of the training set; and performing super-resolution reconstruction on the S fluorescence images in each of the J raw fluorescence image sequences using a standard structured illumination super-resolution reconstruction algorithm to form a super-resolution image, which is input into the denoising neural network to obtain a final super-resolution reconstructed image.

The present invention belongs to the technical field of image processing, and specifically relates to a dual-channel joint reconstruction method based on a structured illumination microscope, including: obtaining dual-channel fluorescence images of organelles according to the structured illumination microscope; constructing a structure-function synchronous imaging model based on the dual-channel fluorescence images, where is the organelle structure information and is the organelle function information; adding a regularization term constraint of the organelle function information to the structure-function synchronous imaging model to obtain an objective function; iteratively optimizing the objective function to obtain the organelle structure information and function information; the present invention combines structure imaging and function imaging into the same objective function for modeling, realizes the synchronous reconstruction of structure information and function information, can better suppress reconstruction artifacts, and improve the fidelity; the present invention introduces continuous prior information into the reconstruction process, can better suppress the artifacts in the reconstructed super-resolution function information, and solve the reconstruction problem of low signal-to-noise ratio images.

The invention provides a structured illumination obvious micro-imaging method and device based on AFM imaging priori, the method is applied to the field of micro-imaging, and the method comprises the steps: obtaining continuous multi-frame original SIM images corresponding to a target sample; based on a first image reconstruction method, performing artifact elimination processing on the multiple frames of original SIM images to obtain multiple frames of reconstructed SIM images corresponding to the multiple frames of original SIM images; and based on a second image reconstruction method and the AFM image of the target sample, carrying out artifact elimination processing on the multiple frames of reconstructed SIM images to obtain multiple frames of target imaging images corresponding to the multiple frames of reconstructed SIM images. According to the method, in the imaging process, multi-modal imaging can be achieved in combination with the SIM and the AFM, high-precision surface contour information is provided through the AFM, the reconstruction algorithm of the SIM image is optimized, artifacts are reduced, and the imaging efficiency of the image is improved.

The application belongs to the field of biomedicine, and discloses a method and a kit for monitoring a process of mitochondrion-lysosome interaction-mediated lysosome acidification. The method is characterized in that a cell lysosome content is first labeled with a LYSO-PZ probe with a specific structure, a pHrodo dye and a lysosome membrane marker sfGFP-LAMP1-mCherry are combined to monitor the pH value and membrane localization of the lysosome, respectively, then three-channel fluorescence images are acquired through a structured illumination microscope (SIM), and the fluorescence intensity ratio is quantitatively analyzed. In addition, the method further comprises a step of optogenetic regulation of mitochondrion-lysosome contact (MLC) formation, the fluorescence intensity change before and after the formation of MLC is compared through blue light induction of related protein binding, and the proton transport mediated by MLC is verified. The application first establishes a complete monitoring system, can accurately monitor lysosome acidification, and has important clinical application value and broad market prospect.

The invention provides a mounting structure, a lighting system and exposure equipment, the mounting structure comprises a first mounting assembly fixed on a bottom plate, a second mounting assembly movably arranged on the bottom plate, and a flexible connecting piece connecting the first mounting assembly and the second mounting assembly, the first mounting assembly clamps one end of a dodging rod, and the second mounting assembly clamps the other end of the dodging rod. The second installation assembly clamps the other end of the light uniformizing rod, and the equivalent rigidity of the flexible connecting piece is smaller than the clamping rigidity of the first installation assembly and smaller than the clamping rigidity of the second installation assembly. Therefore, when the light homogenizing rod generates thermal deformation due to the change of the environment temperature caused by illumination in the illumination system, the light homogenizing rod can be ensured to generate thermal deformation only in the direction from the first mounting assembly to the second mounting assembly through the single-degree-of-freedom characteristic (namely, the flexible deformation in the axial direction of the light homogenizing rod) of the flexible connecting piece; the light-emitting surface on the light-homogenizing rod is prevented from deviating after thermal deformation, and the working index of the lighting system is ensured.

A system, apparatus, and method of operation for focusing a retinal image are described herein. In an embodiment, the retinal imaging system comprises an eyepiece lens assembly; a structured light assembly configured to emit structured illumination light through the eyepiece lens assembly for receipt by an eye positioned adjacent to the eyepiece lens assembly and opposite the structured light assembly; a retinal image sensor optically coupled to the eyepiece lens assembly, wherein the retinal image sensor is positioned to receive the structured illumination light from the eye and is configured obtain a retinal image of a retina of the eye. In an embodiment, the method includes emitting structured illumination light through the eyepiece lens assembly; generating a retinal image based on the structured illumination light received from the retina of the eye; and measuring an edge strength of the structured illumination light from the retinal image.

A self-supervised multimodal structured illumination microscopic reconstruction method comprises: exciting a biological sample with structured illumination to obtain J raw fluorescence image sequences, wherein J is an integer greater than or equal to 1, each raw fluorescence image sequence comprises S fluorescence images, S being an integer greater than or equal to 2; generating a training set for each raw fluorescence image sequence among the J raw fluorescence image sequences; training a denoising neural network on the basis of the training set; and performing super-resolution reconstruction on the S fluorescence images in each of the J raw fluorescence image sequences using a standard structured illumination super-resolution reconstruction algorithm to form a super-resolution image, which is input into the denoising neural network to obtain a final super-resolution reconstructed image.

Systems and methods for image reconstruction are provided. The method may include: implementing a first thread to acquire image data of an object by imaging the object in at least one structured illumination direction using an imaging device, and storing the image data into a buffer; implementing a second thread to obtain one or more image sequences from the buffer; and / or implementing a third thread to extract at least one set of raw images from the one or more image sequences, and transmit the at least one set of raw images to a graphics processing unit (GPU) of the one or more processors, to facilitate the GPU to generate a target image based on the at least one set of raw images, each set of the at least one set of raw images corresponding to one of the at least one structured illumination direction.

The application belongs to the technical field of three-dimensional topography measurement, and discloses a three-dimensional topography measurement method and system based on continuous vertical scanning structure illumination, which comprises the following steps: S1, collecting a structure light image of a sample to be measured at each scanning position; S2, estimating background light intensity by using adjacent structure light images in time domain, obtaining a uniform illumination image, and correcting the structure light image; S3, performing high-pass filtering on the uniform illumination image to obtain high-frequency in-focus information, and performing low-pass filtering on the corrected structure light image to obtain low-frequency in-focus information; fusing the two to obtain an optical tomographic image of the sample to be measured; and S4, obtaining the three-dimensional topography of the sample to be measured. The application adopts a continuous scanning structure light illumination measurement method, only one structure illumination phase shift cosine fringe pattern is collected at each scanning position, and high-precision tomographic extraction is performed, so that high-precision tomographic imaging in an uninterrupted continuous scanning mode can be realized, and the measurement speed and precision are greatly improved.

The utility model provides a lamp body structure, luminaire and lighting system, lamp body structure includes lamp body and radiator, lamp body has cavity, the cavity passes through lamp body in the height direction of lamp body, the inner wall of cavity is equipped with the connecting post that extends along the height direction, radiator is installed in the cavity and with the inner wall interference fit, the radiator is equipped with the connecting post that extends along the height direction. The radiator is provided with a receding groove penetrating through the radiator in the height direction, the connecting column penetrates through the receding groove, an open groove is formed in the connecting column, an inserting block facing the direction is formed in the position, at the receding groove, of the radiator, and the inserting block is inserted into the open groove and is in interference fit with the open groove. The lamp is provided with the lamp body structure, the lighting system is provided with the lamp, the lamp body structure can improve the assembly firmness between the lamp body and the radiator, the wall part of the assembled lamp body is prevented from bulging, and the production cost is not increased.

The utility model discloses a self-adaptive lighting headlamp mechanism of an electric motor car, and relates to the technical field of lighting lamps. A self-adaptive lighting headlamp mechanism of an electric locomotive comprises an electric locomotive shell, a lamp mounting plate, a lighting lamp and a lighting adjusting structure, four fixing lugs are fixedly connected to the outer surface of the lamp mounting plate and fixedly mounted on the electric locomotive shell through bolts, and the lighting lamp is mounted on the lamp mounting plate. The lighting adjusting structure is located on the lamp mounting plate and comprises a fixing plate, a fixing box, two rotating shafts and a rotating plate, the light sensation sensor capable of being turned over is arranged on the headlamp, when the headlamp is turned on, the light sensation sensor automatically turns over to an effective sensing position, the headlamp is automatically controlled to be turned off in the daytime, and the lighting adjusting structure can be automatically turned off. Therefore, the unnecessary turn-on time of the headlamp is reduced, the working time of the bulb and related circuits is shortened, the aging speed is slowed down, and the service life of the headlamp is further prolonged.

The invention belongs to the related technical field of optical microscopic measurement, and discloses a continuous scanning structured light three-dimensional shape measurement method and system based on axial gradient screening, and the method comprises the steps: carrying out the illumination scanning of a to-be-measured sample through a continuous vertical structure, projecting a preset stripe pattern to the to-be-tested sample at each axial position and acquiring a structured light image; calculating the axial gradient values of the light intensity of all pixel points in the structured light images about the axial position, and screening the structured light images with the maximum axial gradient value greater than a first preset threshold value to form an effective image stack; and carrying out secondary screening on the light intensity data of the pixel points according to the axial gradient square value so as to carry out three-dimensional shape reconstruction measurement. According to the method, the structured light image is screened by using the axial gradient value, and secondary screening is performed on the light intensity data based on the axial gradient square value, so that the redundant data volume is reduced, the calculation efficiency is improved, and efficient measurement of a large-axial-range sample is realized on the premise of ensuring the precision.

Microscope slide (100, 101, 102, 200, 300, 400) comprising: a transparent planar substrate (10, 30) for holding a sample (52), the substrate (10, 30) having at least one input port configured for receiving a light beam from a fiber (11, 21, 31) external to the substrate (10, 30); at least one optical circuit (12, 13, 14, 15, 16, 17, 18, 19, 20, 20', 22, 23, 23', 23'', 24, 24', 24'', 25, 25', 25'', 26, 26', 26'', 27, 27', 28, 29, 29', 29'', 31, 31', 32, 32', 33, 33', 41, 41', 42, 42', 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 170, 171, 172, 173, 174, 175) housed in the substrate (10, 30); said at least one optical circuit (12, 13, 14, 15, 16, 17, 18, 19, 20, 20', 22, 23, 23', 23'', 24, 24', 24'', 25, 25', 25'', 26, 26', 26'', 27, 27', 28, 29, 29', 29'', 31, 31', 32, 32', 33, 33', 41, 41', 42, 42', 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 170, 171, 172, 173, 174, 175) is configured for being coupled with the input port and for transforming the light beam in a structured illumination pattern outside the substrate (10, 30), the pattern having a cartesian component orthogonal to the substrate (10, 30).

The thermometer convenient to use at night comprises a mercurial thermometer body and a lighting shell, the lighting shell is of a hollow structure with an opening in the upper portion, a round hole is formed in the bottom of the lighting shell, a shaft rod is arranged in the round hole in a matched mode, a drive plate is fixedly connected to the bottom of the shaft rod, and a fan-shaped plate is fixedly connected to the top of the shaft rod. A reciprocating pushing part is arranged in the lighting shell, a straight sliding groove matched with the shaft rod for use is formed in the reciprocating pushing part, cylindrical pushing rods are fixedly arranged at the positions, located at the two ends of the straight sliding groove, of the upper surface of the reciprocating pushing part respectively, connecting rods are fixedly arranged at the two ends of the reciprocating pushing part respectively, and clamping parts are fixedly bonded to the top ends of the connecting rods; lED lamp strips are adhered to the inner vertical surfaces of the two sides of the lighting shell respectively, a protective cover is arranged on the lighting shell in a matched mode, a visible window is formed in the protective cover, and the lighting shell and the protective cover are fixedly connected through fastening bolts. The interior of the illumination shell is illuminated through the LED lamp strip, so that the purpose that scales of the mercurial thermometer can be checked at night without turning on the lamp is achieved.

The down lamp structure with the air purification function comprises a panel, an illuminating lamp assembly, a first installation base, a photocatalyst filter element, a second installation base, a draught fan, a rear cover and the like, the panel, the first installation base, the second installation base and the rear cover form a shell structure, the illuminating lamp assembly is arranged on the panel and used for illuminating, and the photocatalyst filter element is arranged on the shell structure. The photocatalyst filter element is matched with the draught fan to form an air purification structure located in the shell. According to the down lamp structure with the air purification function, the air disinfection structure and the down lamp structure are combined, the down lamp structure capable of conducting illumination and air purification is obtained, and the whole structure can be installed at the original installation position used for installing a down lamp; additional arrangement of a new installation position and installation wiring is not needed, the system can be perfectly adapted to new and old buildings, and no additional space is occupied; the whole down lamp structure is simple in structure, convenient to install and maintain and high in practicability.

The utility model relates to the technical field of alpenstocks, and discloses a multifunctional alpenstock which comprises a telescopic rod and a locking structure. After being stretched, each section of rod body of the telescopic rod is fixed through a locking structure; the handle is a T-shaped structural member and is fixed at the top of the telescopic rod; a lighting structure and a positioning alarm structure; the lighting structure is arranged at the top of the handle, and the positioning alarm structure is fixed to a self-locking hook on a telescopic rod below the handle and arranged at the bottom of the handle. Compared with the prior art, the safety helmet has the advantages that the safety helmet is provided with the GPS positioning alarm which can send GPS positioning information and alarm help-seeking information and request rescue in danger, and the safety helmet is provided with the warning lamp strip which can be used for marking and displaying the position of a user, so that the safety helmet is safer and more reliable during outdoor activities, and the safety helmet is convenient to use. And the self-locking hook and the lighting structure are arranged, so that articles can be hung and lighting at night can be carried out, and the functions are richer and more powerful.

The utility model discloses a pneumatic type driver control turnout device of a mining locomotive, which relates to the technical field of mining equipment and comprises a protection box and an illuminating lamp, a pushing component is mounted in the protection box, a control box is connected and mounted on one side of the protection box, and a base component is mounted at the bottom of the protection box. A prompt screen is vertically installed on one side of the base assembly, the illuminating lamps are vertically installed on one side of the protection box in a bilateral symmetry mode, and good structural illumination can be provided for the whole device through the structural arrangement of the illuminating lamps, so that an operator can be assisted in maintaining the device, and the working efficiency is improved. Meanwhile, a certain degree of illumination effect can be conveniently provided for a mine tunnel, so that equipment maintenance can be convenient and fast, the protection box provides good structural protection for the pushing assembly, and the prompt screen provides an indication effect for a mine locomotive which travels back and forth, so that the safety and smooth scheduling of mine car traveling are ensured, and the service life of the mine car is prolonged. And the practicability of the device is guaranteed.

Systems and methods for the optical control of qubits and other quantum particles with deflectors and spatial light modulators (SLM) for quantum computing and quantum simulation are disclosed herein. The system may comprise a hybrid scanner comprising a first deflector, a spatial light modulator, and a first deflector controller where each of the multiplicity of spatially defined region are configured to project a structured illumination pattern and where the first deflector controller is configured to modulate the structured illumination pattern by controlling the deflection of the beam of light by the first deflector onto the spatial light modulator.

The invention relates to a method for localizing emitters (E) in a sample (2), wherein the sample (2) is illuminated with structured illumination light (B) to localize an emitter (E), wherein after at least one localization of an emitter (E), it is checked whether an accuracy criterion is met, wherein the accuracy criterion indicates whether the position of the emitter (E) is known with a predetermined expected accuracy, wherein a check is carried out using the position of the emitter (E) determined in the localization if the accuracy criterion is met, wherein during the check information about the emitter (E) or the environment of the emitter (E) is collected, wherein the information is taken into account in at least one evaluation step following the localization or in at least one further localization of an emitter (E), and a device,a localization microscope (1) and a computer program for carrying out the procedure.

The invention relates to the technical field of speed reducer equipment, in particular to a marine speed reducer gear transmission device which comprises a bottom plate, a main body structure, an observation structure, an illumination structure, an adjusting structure, a calibration structure, a motor and a coupler. Effective speed reduction transmission is achieved through the main body structure, the requirement of ship operation for power output is met, the structure is stable, and the transmission efficiency is high; due to the design of the observation structure, the interior of the speed reducer is convenient to observe, the sealing performance is good, meanwhile, the sealing plate is convenient to mount and dismount, and maintenance is convenient and fast; the illumination structure is matched with the observation structure for use, so that sufficient illumination can be provided for internal observation under the condition of insufficient light, and the observation is clearer and more accurate; through the arrangement of the adjusting structure and the calibration structure, accurate adjustment and rapid calibration of the position of the motor are achieved, and the efficiency and convenience of coaxiality calibration adjustment between the motor and the transmission shaft are improved.

To provide a device, method and program which can highly accurately calibrate a structured illumination image of animation CGH.SOLUTION: A camera 10 images an interference fringe region in which interference fringes are spatially multiplexed on a hologram surface 60 and an irradiation region of a structured illumination image irradiated to the hologram surface 60 by a projector 50. An observation image input unit 20 acquires images of the interference fringe region and the irradiation region of the structured illumination image captured by the camera 10 and temporarily stores them. An irradiation region decision unit 30 recognizes the position of the interference fringe region in a pixel coordinate system on the projection side on the basis of a camera image of the interference fringe region and decides the position of the interference fringe region as a target irradiation region of the structured illumination image. An irradiation adjustment unit 40 discriminates the irradiation region of the structured illumination image on the hologram surface 60 on the basis of the camera image and adjusts (calibrates) a projection condition of the structured illumination image with the pixel coordinate system such that the structured illumination image is mapped on the target irradiation region.SELECTED DRAWING: Figure 1

An apparatus (2) for use in optical image processing is disclosed. The apparatus (2) comprises a medium (7) capable of supporting overlapping optical modes (10) such that in response to a spatially structured illumination (4), a set of overlapping optical modes (10) in the medium (7) are non-uniformly excited and output a spatially structured response (6).

The present application relates to the technical field of vehicle lighting, and discloses a lighting lamp structure (20), a lighting assembly (10), and a vehicle. The lighting lamp structure (20) comprises: a lamp body (200), the light exit end of which is provided with a panel (210), wherein the lamp body (200) passes through a mounting hole (110), the panel (210) is located on one side of a first side surface of a mounting member (100), a protruding edge (212) is provided along the periphery of the panel (210), a first limiting structure is provided on one side of the lamp body (200), a second limiting structure (220) is provided on the other side of the lamp body (200), the first limiting structure (220) cooperates with the protruding edge (212) to define a first limiting slot (221) into which the mounting member (100) snaps, and the second limiting structure (230) cooperates with the protruding edge (212) to define a second limiting slot (231) into which the mounting member (100) snaps.

This application relates to structured illumination of a sample. A system includes a light source, a first grating and a second grating, and at least one reflecting component that, in a first position, forms a first optical path originating from the light source and extending to the first grating and then to a subsequent component in the system, and that, in a second position, forms a second optical path originating from the light source and extending to the second grating and then to the subsequent component.