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146 results about "Structured illumination" patented technology

In-situ exploration-while-drilling device and method for lunar resources

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.
Owner:DEEP SPACE EXPLORATION LABORATORY

Illuminating lamp data transmission control method

The invention is suitable for the technical field of data transmission, and provides an illumination lamp data transmission control method, which comprises the following steps of: acquiring data, state data and physiological health data by an illumination lamp; different priorities are set for each type of data, and different data are processed by adopting corresponding compression strategies; a multi-hop transmission ad hoc network is established between the lighting lamp and other nearby lighting lamps, and a network topology structure is dynamically adjusted; the lighting lamp evaluates an optimal sequence of various transmission paths transmitted to the monitoring center based on real-time information in the ad hoc network, and sets corresponding transmission paths and transmission strategies for different data according to priorities; the lighting lamp transmits the data with different priorities to the monitoring center hop by hop through a selected transmission path according to a set transmission strategy; and the monitoring center receives the data of the lighting lamps and carries out corresponding processing according to the priority of the data. According to the invention, the problems of stability, real-time performance and priority management of data transmission in an existing complex mine environment are solved.
Owner:SHENZHEN ZHONGFUNENG ELECTRIC EQUIPMENT CO LTD

Three-dimensional shape measurement method and system based on continuous vertical scanning structure illumination

The invention belongs to the related technical field of three-dimensional shape measurement, and discloses a three-dimensional shape measurement method and system based on continuous vertical scanning structure illumination, and the method comprises the steps: S1, collecting a structured light image of a to-be-measured sample at each scanning position; s2, carrying out background light intensity estimation by using the adjacent structured light images in the time domain, obtaining a uniform illumination image, and correcting the structured light image; s3, performing high-pass filtering on the uniform illumination image to obtain high-frequency in-focus information; performing low-pass filtering on the corrected structured light image to obtain low-frequency in-focus information; fusing the two to obtain an optical tomographic image of the to-be-detected sample; and S4, obtaining the three-dimensional shape of the to-be-detected sample. According to the method, a continuous scanning structured light illumination measurement method is adopted, only one structured illumination phase shift cosine fringe pattern is collected at each scanning position, and high-precision chromatography extraction is carried out, so that high-precision chromatography imaging under the condition of an uninterrupted continuous scanning mode can be realized, and the measurement speed and precision are greatly improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Illuminating lamp data transmission method

The invention is suitable for the technical field of data transmission, and provides an illumination lamp data transmission method, an illumination lamp is connected and communicated with a receiving device worn on a user, and the method comprises the following steps: the illumination lamp detects environment data and state data and receives and stores physiological health data collected by the receiving device; combining all the data into comprehensive data; the lighting lamps automatically establish a multi-hop transmission ad hoc network with other nearby lighting lamps based on a Mesh network protocol, and a network topology structure is dynamically adjusted; the illumination lamp performs multi-scale decomposition and compression on the comprehensive data by using wavelet transform, and selects an optimal transmission path in real time based on real-time information in the ad hoc network; the illumination lamp transmits the compressed data to the monitoring center hop by hop through the selected optimal transmission path; and the monitoring center receives the data from the lighting lamp and analyzes the data in real time. According to the invention, the problem of insufficient stability of data transmission of the lighting lamp in the existing mine environment is solved.
Owner:SHENZHEN ZHONGFUNENG ELECTRIC EQUIPMENT CO LTD

Deformation measuring device and method based on structured light illumination digital speckle interference

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.
Owner:YUNNAN CHENYUE TECHNOLOGY CO LTD

Structured illumination obvious micro deep learning reconstruction method based on dual-supervised training

The invention discloses a structured illumination obvious micro deep learning reconstruction method based on dual-supervised training. The method comprises the following steps: acquiring an original structure illumination obvious micro-super-resolution image and an original wide-field true value image under the conditions of high laser intensity and high exposure time, acquiring an original modulation wide-field image under the conditions of low laser intensity and short exposure in the same visual field, and performing image enhancement to obtain a training data set; generating a point spread function of the system according to imaging use parameters, and constructing a neural network for structured illumination obvious micro-reconstruction; performing gradient descent training on the neural network of the structured illumination obvious micro-reconstruction by using a dual-supervision form based on the structured illumination obvious micro-super-resolution image and the wide-field truth value image; according to the method, the performance of deep learning reconstruction of the structured light super-resolution microscopic image can be further improved; the method is applied to image reconstruction of mainstream structured light illumination microscopes such as stripe modulation structured light illumination microscopes and lattice modulation structured light illumination microscopes.
Owner:PEKING UNIV

Microscopic imaging device and super-resolution microscopic imaging method

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.
Owner:CHINA JILIANG UNIV

Light off-axis structured light digital holographic microscopic super-resolution imaging method and system based on Kramers-Kronig relationship

PendingCN120627961AImage enhancementGeometric image transformationDigital holographic microscopyImaging quality
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.
Owner:ZHEJIANG SCI-TECH UNIV

Steel wire rope group damage detection device for offshore drilling platform hoister

The invention belongs to the technical field of nondestructive testing of oil and gas equipment, and particularly relates to a steel wire rope group damage detection device for an offshore drilling platform elevator. The detection device comprises a camera shooting detection unit and a lighting unit, and a better lighting environment is provided for the steel wire rope set of the offshore drilling platform elevator. The surface capture range of the steel wire rope group is further increased, and the visual dead zone in the detection process of the steel wire rope group is reduced, so that the visual detection requirements of the steel wire rope groups with different sizes under different permutation and combination can be met. The invention discloses a steel wire rope group damage detection device for an offshore drilling platform elevator. The steel wire rope group damage detection device comprises an upper shell, a lower shell, a lighting unit and a camera shooting detection unit, the upper shell and the lower shell are connected to form an integrated structure through the spring fasteners; the lighting unit is composed of a plurality of LED lamp sets, and a plurality of LED lamp caps are arranged in each LED lamp set. The camera detection unit is composed of a plurality of cameras.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

3D structured illumination microscope using a spinning disk

PCT designated stage expiredWO2025039075A1Optical filtersMicroscopesSpin axisConfocal microscopy
A spinnable disk spatial filter for a confocal microscope comprises a plurality of semi-annular sections, each semi-annular section shaped to define a corresponding section pinhole group comprising a plurality of pinholes arranged in a lattice pattern, each pinhole permitting transmission of light through the disk. For each semi-annular section, the corresponding section pinhole group is located to have a corresponding section offset along a section offset direction orthogonal to the spinning axis and having at least a component that extends radially from the spinning axis. The section offset is different for at least two of the plurality of semi-annular sections.
Owner:THE UNIV OF BRITISH COLUMBIA

Structural illumination measurement system and method based on binary fringe modulation degree

The invention discloses a structural illumination measurement system and method based on a binary fringe modulation degree. The system comprises a displacement table; the projection device is used for projecting two complementary binary stripe images; the imaging device is used for acquiring a fringe image reflected by the measured object; the coaxial light path device is used for irradiating the two complementary binary fringe images projected by the projection device to the measured object on the displacement table and reflecting the fringe image reflected by the measured object on the displacement table to the imaging device; the image processing unit is used for receiving the stripe image acquired by the imaging device and processing the stripe image into a modulation degree image; drawing a modulation degree-scanning position response curve according to a pixel gray value in the modulation degree image; and obtaining the relative height of the pixel, and measuring the three-dimensional shape information of the surface of the measured object according to the relative height of the pixel. According to the invention, the problem of low efficiency of a traditional structure illumination measurement technology can be solved, and high-efficiency measurement based on structure illumination is realized.
Owner:SHENZHEN UNIV

Self-Supervised Multimodal Structured Illumination Microscopic Reconstruction Method and System

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.
Owner:INSTITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES

A Dual-channel Joint Reconstruction Method Based on Structured Illumination Microscopy

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.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

A new type of infrared target device

The present invention relates to the field of testing the accuracy and density of weapons and ammunition targets, and to a new type of infrared target device. It includes a supporting structure, a lighting device, and a built-in circuit. The target surface of the present invention is equipped with a luminous cross indicator line; an infrared flashing target core is installed at the center of the target; it is used as an aiming target in conjunction with a universal gun calibration mirror; if the target is moved to the aiming center of the calibration mirror; the position of the infrared flashing target core is the aiming center of the gun. Turn on the infrared flashing switch; the photoelectric automatic target reporting system can automatically measure the coordinate position of the target core on the screen of the measurement system; obtain the position of the gun / gun muzzle aiming baseline in the photoelectric automatic target reporting system; this can solve the problem of difficulty in calibrating the target in aiming at an invisible target surface; and help to further analyze the shooting performance of guns. The present invention can also be used as a simulation test device to test the working performance of the photoelectric target.
Owner:HEILONGJIANG NORTH TOOLS CO LTD

Method and apparatus for accelerated three-dimensional microscopy with structured illumination

The present invention relates to a method and apparatus for accelerating three-dimensional microscopy with structured illumination. In three-dimensional structured illumination microscopy (SIM), the focal plane of a sample is focused and each focal plane is sequentially illuminated with multiple phases with structured illumination light, and the sample light emitted by the sample is recorded in a corresponding individual image. A result image with improved resolution relative to the individual image is reconstructed from the individual images to produce a super-resolution image stack. The method is time-intensive and stresses the sample. By reconstructing a result image from individual images of two different focal planes by an approximate method, the result image represents a sample plane located between the focal planes, an image stack can be produced in a short time with less stress on the sample. The present invention also relates to fluorescence microscopy.
Owner:CARL ZEISS MICROSCOPY GMBH

Structured illumination obvious micro-imaging method and device based on AFM imaging prior

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.
Owner:JILIN UNIVERSITY

A method of monitoring the process of lysosomal acidification mediated by mitochondrial-lysosome interaction

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.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Mounting structure, lighting system and exposure equipment

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.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD

Auto-focus for retinal imaging system

PCT designated stageWO2025183786A1OthalmoscopesEyepieceOphthalmology
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.
Owner:VERILY LIFE SCIENCES LLC

Self-supervised multimodal structured illumination microscopic reconstruction method and system

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.
Owner:INSTITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES

Realtime structured illumination super-resolution high-throughput imaging method

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.
Owner:GUANGZHOU COMPUTATIONAL SUPER RESOLUTION BIOTECH CO LTD

Structural and lighting system

A structural lighting system including a structural member having an outward facing portion and an inward facing portion. The structural member being configured to support a light transmissive environmental barrier. The outward facing portion of the structural member having a reduced light blocking shape as compared to the inward facing portion. A light source is coupled to the structural member, the light source being arranged to emit light from the inward facing portion.
Owner:AVID LABS LLC

A three-dimensional shape measurement method and system based on continuous vertical scanning structured illumination

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.
Owner:HUAZHONG UNIV OF SCI & TECH

Lamp body structure, lamp and lighting system

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.
Owner:HUIZHOU NVC OPTOELECTRONICS TECH CO LTD

Self-adaptive lighting headlamp mechanism of electric motor car

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.
Owner:JIYAN TECHNOLOGY (SHANGHAI) CO LTD

Freeform surface metrology and deflectometry

Methods, devices and systems describe compact and simple deflectometry configurations that can measure complex shapes of freeform surfaces. One deflectometry system includes a first panel and a second panel positioned at an offset position from each other to provide illumination for an object. The second panel, positioned closer to the object, is operable as a substantially transparent panel, and as a pixelated panel to provide structured light patterns. The system also includes two or more cameras positioned on the second panel an is operable in a first mode where the first panel provides a first structured illumination and the second panel is configured as a substantially transparent panel that allows the first structured illumination from the first panel to transmit toward the object. The system is also operable in a second mode where the second panel is configured to provide a second structured illumination for illuminating the object.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA

Continuous scanning structured light three-dimensional shape measurement method and system based on axial gradient screening

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.
Owner:HUAZHONG UNIV OF SCI & TECH

Engineered microscope slide for structured illumination

PCT designated stageWO2025253331A1MicroscopesMicroscope slideFiber
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).
Owner:POLITECNICO DI MILANO +1

Thermometer convenient to use at night

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.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 32235