24 results about "Microscope camera" patented technology

The invention relates to the technical field of image analysis and processing, discloses a microscope camera imaging virtual focus detection method and system based on a calibration plate, and is used for solving the technical problems of insufficient automation degree and accuracy of a scheme for judging whether virtual focus occurs in the prior art. Comprising the steps of calling a microscope camera to shoot a calibration plate at different distance positions to obtain a plurality of image samples; calculating a focusing index sample of each image sample in the first target area; constructing an initial relation model of the focusing index value and the shooting position, and performing fitting based on the focusing index sample and the distance position corresponding to the focusing index sample to obtain a focusing relation model; on the basis of the focusing relation model, a focusing threshold value is calculated within the field depth range; during calibration, calling the microscope camera to shoot the calibration plate to obtain a calibration image; calculating a calibration focusing index value at the second target area of the calibration image; and judging whether the calibrated focusing index value is within the focusing threshold range, and if not, determining that virtual focusing occurs.

This invention relates to the technical field of surface lubrication and friction measurement of machinery, and provides an apparatus and method for measuring the energy barrier at the surface solid-liquid interface of a microstructure. [Solution] The apparatus includes a micro-pump, a fixed elbow, a capillary tube, an upper contact surface, a lower contact surface, a droplet, a micro-movement stage, and a high-speed microscope camera. In this method, the micro-pump transports liquid to form a droplet between the upper and lower contact surfaces, the micro-movement stage is used to drag the lower contact surface at a constant speed to slide the droplet, and the high-speed camera monitors the deflection deformation caused by the droplet drag force of the capillary tube, calculates the dynamic drag force, and integrates the drag force-displacement curve to obtain the energy consumed by the droplet to overcome the microstructure. Finally, the solid-liquid interface energy barrier per unit area is obtained, overcoming the limitations of the conventional contact angle method, which cannot measure the dynamic interface energy barrier, and enabling direct and quantitative measurement of the surface solid-liquid interface energy of the microstructure.

The present application relates to the technical field of microscopic image auxiliary identification, in particular to a plug-and-play embedded region of interest real-time identification superimposed display device for existing microscopes, which accesses the video link between the existing microscope camera and the original display terminal, acquisition host or pathological workstation, completes real-time image access, image preprocessing, region of interest (ROI) identification, candidate region generation and superimposed display at the embedded end, thereby assisting the operator to quickly locate the key area in the microscopic field of view. The device does not change the original microscope optical path, does not replace the microscope camera, and does not modify the software interface of the original display terminal or pathological workstation, and belongs to the technical scheme of external intelligent enhancement for existing microscopes.

1. Name of the designed product: microscope camera (W1). 2. Use of the designed product: camera for taking pictures. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention provides a galvanometer scanning laser precise etching method and device based on machine vision measurement feedback. The method comprises the following steps: S1, height calibration: aligning an industrial microscopic camera to a processing area, and establishing and storing a light spot coordinate and surface height h mapping table by using coaxial indicating light; s2, parameter setting: presetting process parameters such as processing depth in control software; s3, initial height detection: obtaining surface light spot coordinates through a microscopic camera, and calculating the initial height by combining mapping table interpolation; s4, laser etching is carried out, wherein galvanometer scanning machining is carried out according to a set graph and parameters; s5, depth feedback: detecting the coordinates of the processed surface in real time and calculating the current height and the etching depth; and S6, closed-loop control: if the etching depth does not reach the processing depth, returning to the step S4 to continue processing until the target depth is reached. According to the invention, the height information is fed back in real time to realize closed-loop control, the problems of real-time detection and precision control of the etching depth under a complex process are solved, and the processing consistency is remarkably improved.

Disclosed herein are examples of a photolithography machine with fast alignment. The machine may include a stage to hold and move a substrate and a projection system to project images on a plurality of exposure regions of the substrate. The machine may also include an alignment system positioned adjacent to the projection system. The alignment system may include a plurality of microscope cameras with a fixed focus, each microscope camera configured to detect a respective fiducial in a respective exposure region of the substrate.

Particles such as blood cells can be categorized and counted by a digital image processor. A digital microscope camera can be directed into a flowcell defining a symmetrically narrowing flowpath in which the sample stream flows in a ribbon flattened by flow and viscosity parameters between layers of sheath fluid. A contrast pattern for autofocusing is provided on the flowcell, for example at an edge of a rear illumination opening. The image processor assesses focus accuracy from pixel data contrast. A positioning motor moves the microscope and / or flowcell along the optical axis for autofocusing on the contrast pattern target. The processor then displaces microscope and flowcell by a known distance between the contrast pattern and the sample stream, thus focusing on the sample stream. Blood cell images are collected from that position until autofocus is reinitiated, periodically, by input signal, or when detecting temperature changes or focus inaccuracy in the image data.

In some implementations, an optical component of a microscope may capture an image of a profile of a ferrule and a connector of an optical fiber based on the ferrule being received by a first opening of a first connector adapter of the microscope. A mechanical axis of the ferrule may be orthogonal to an optical path from a camera of the microscope to the ferrule when the ferrule is received by the first opening. One or more processors associated with the microscope may process the image to determine a measurement of a chamfer of the ferrule. The optical component may capture an image of an endface of the ferrule based on the ferrule being received by a second opening of a second connector adapter. The mechanical axis of the ferrule may be axially aligned with the optical path when the ferrule is received by the second opening.

The present application relates to the technical field of agricultural product traceability, and discloses a kind of agricultural product pre-sale traceability method and system based on plant micrograph features, and macro image is collected during pre-sale period, and biological intrinsic coordinate system is established by extracting natural intersection node, and high-precision microscope camera is driven to collect reference micrograph, and reference micrograph is converted into gray scale scalar field function, and reference topological persistent graph is generated by extracting topological generator, and after coding, it is bound with pre-sale order in traceability cloud database by combining digital signature, and during review period, natural intersection node is extracted again to reconstruct coordinate system and calculate growth expansion coefficient to compensate deformation, and real-time topological persistent graph is calculated to construct cost objective function by extracting topological persistent graph, and according to space negative gradient closed loop servo micro-motion scanning and locking best deformation alignment point, verification pass signal is output under the condition that minimum value topological distance is lower than legal homology threshold and tamper-proofing check passes, and the present application realizes traceless right confirmation of living agricultural product features.

Particles such as blood cells can be categorized and counted by a digital image processor. A digital microscope camera can be directed into a flowcell defining a symmetrically narrowing flowpath in which the sample stream flows in a ribbon flattened by flow and viscosity parameters between layers of sheath fluid. A contrast pattern for autofocusing is provided on the flowcell, for example at an edge of a rear illumination opening. The image processor assesses focus accuracy from pixel data contrast. A positioning motor moves the microscope and / or flowcell along the optical axis for autofocusing on the contrast pattern target. The processor then displaces microscope and flowcell by a known distance between the contrast pattern and the sample stream, thus focusing on the sample stream. Blood cell images are collected from that position until autofocus is reinitiated, periodically, by input signal, or when detecting temperature changes or focus inaccuracy in the image data.

The invention provides an imaging method based on paraxial light path correction. According to the imaging method, accurate correspondence between an OCT (Optical Coherence Tomography) tomographic image and a microscopic observation image in an operation can be ensured; comprising the following steps: S1, emitting visible red light to a sample through a light path formed by a paraxial light path correction end, and forming a red light scanning point on a sample plane; s2, the imaging control end obtains the coordinate position of the red light scanning point in the microscope view field image, and compares the coordinate position with the center of the microscope view field image to obtain a deviation value; s3, acquiring a mapping relation between a light path deflection angle and a displacement error of the paraxial light path correction end according to the deviation value, and then adjusting the light path of the paraxial light path correction end until the red light scanning point coincides with the center of the microscope view field image; s4, focusing the light path along the optical axis direction, and feeding back to an imaging control end in real time to realize real-time focus tracking and image quality optimization; and S5, carrying out image fusion on the real-time image obtained by the imaging control end and the view field image captured by the microscope camera, and carrying out synchronous display.

In the detection image acquisition device, an image sensor module comprises one or two or more than two image sensors; the control module is in electric signal connection with the image sensor module; the control module is in electric signal connection with the light source module; the image sensor module and the light source module are oppositely arranged above or below the sample accommodating module; a sample accommodating cavity in the sample accommodating module is used for bearing a sample; the light source module is used for emitting light rays, and the light rays penetrate through the sample accommodating module and project image information of the visible components onto the image sensor module; the sensor image includes a visible component image. The image acquisition module is used for acquiring images of the antigen-antibody agglomerated microparticles and projecting image information of the agglomerated microparticles onto the image sensor module; the image sensor module obtains a sensor image; the sensor image comprises an agglomerated microparticle image. The microscopic camera shoots the sample accommodating module to obtain a microscopic image; the microscopic image comprises an agglomerated microparticle image.

In a method for checking the rotation of a microscope camera, an overview image is captured with an overview camera of a microscope, wherein a rotational orientation of the overview camera relative to a sample stage of the microscope is known. In addition, a microscope image is captured with a microscope camera of the microscope. A rotational orientation of the microscope camera relative to the sample stage is calculated based on a relative rotation between the microscope image and the overview image, wherein the relative rotation is established by means of image structures in the microscope image and the overview image and using the known rotational orientation of the overview camera relative to the sample stage.

This invention relates to the field of image analysis and processing technology, and discloses a method and system for detecting defocus in microscope camera imaging based on a calibration plate. This addresses the technical problem that existing methods for determining whether defocus has occurred lack sufficient automation and accuracy. The method includes: capturing images of the calibration plate at different distances using a microscope camera to obtain several image samples; calculating a focus index sample for each image sample at a first target region; constructing an initial relationship model between the focus index value and the shooting position, and fitting this model based on the focus index samples and their corresponding distances to obtain a focus relationship model; calculating a focus threshold within the depth of field based on the focus relationship model; during calibration, capturing images of the calibration plate using the microscope camera to obtain a calibration image; calculating the calibration focus index value at a second target region of the calibration image; and determining whether the calibration focus index value is within the focus threshold range. If not, a defocus condition has occurred.

The invention relates to a system for assisting a user in the image-based analysis of a tissue sample (10). The system has an image-providing unit (101), which is designed to provide an image of the tissue sample recorded via a microscope camera (11) connected to a microscope (12), and additionally an image-processing unit (102), which is designed to generate an image of the tissue sample with a virtual colouration from the provided image. The system additionally has an image-outputting unit (103), which is designed to output the generated image to a display device (13) for analysis by the user. The system permits resource-conserving and at the same time particularly careful histological analyses.

Systems and methods are disclosed for controlling a surgical visualization system using a hands-free (e.g., mouth, nose, and breath actuated) controller. An example system includes a microscope camera associated with the surgical system; a controller of the microscope camera; a processor; and a memory storing instructions for the processor. The controller may be separate from the microscope camera, and may comprise one or more joysticks. In some aspects, the controller may further include a pressure detector configured to detect pressure within a tube of a joystick. Also or alternatively, the controller may include a keyed proximity sensor to activate the controller when a surgeon is present. The processor may be configured to: receive a movement input based on a movement of the joystick along a Cartesian direction; and cause a corresponding movement of the microscope camera along the Cartesian direction.

The application relates to a system and method for analyzing and detecting cell deformation characteristics in microdroplets, belonging to the field of microfluidic technology. The system comprises a microscopic imaging module, a data processing module, a capillary microchannel, a sample injection pump and a collection device; the microchannel is placed above a microscope object platform, a coaxial microchannel is adopted, a cell suspension is introduced into an inner tube, a continuous phase fluid is introduced into an outer tube, cells are wrapped in the suspension, the size of the droplet and the number of wrapped cells are controlled by changing the flow ratio, an outlet is connected with the collection device, and the collection device is used for collecting the detected cells and waste liquid; the capillary microchannel realizes mechanical extrusion of the cells in the microdroplets. The data processing module is connected with a microscope camera and is used for identifying the size change of the cells and analyzing the deformation characteristics according to characteristic parameters. The application generates cells wrapped by droplets in the microchannel and makes the cells pass through a narrow contraction area, analyzes the influence of the contraction area on the deformation of the cells in the microdroplets, and can realize efficient and accurate detection of the deformation of the cells in the microdroplets.

The utility model provides a fastening installation structure of a microscope camera, which comprises a trinocular observation tube arranged on a microscope body, an upper eyepiece is arranged at the top of the trinocular observation tube, an adaptive lens interface is arranged above the upper eyepiece, a support ring is fixed at the top of the adaptive lens interface, and a fixing ring is arranged at the bottom of the support ring. Three groups of sliding grooves are formed in the surface of the supporting ring in the circumferential direction, sliding seats are arranged in the sliding grooves in a sliding mode, limiting blocks are fixed to the sliding seats, a camera shooting assembly is arranged above the upper eyepiece, a connecting sleeve is fixed to the lower portion of the camera shooting assembly, and three groups of limiting grooves are formed in one side of the connecting sleeve in the circumferential direction; the size of the limiting groove is matched with the size of the limiting block, and the inner side of the supporting ring is movably provided with a rotating ring seat, and the problems that the operation is troublesome and the shooting effect is greatly influenced when a worker does not screw the camera assembly in place when the traditional camera assembly is mostly installed at the eyepiece sleeve in a threaded connection mode are solved.

A microrobot device and targeted transport method for liquid environments are disclosed. This invention relates to the field of micromanipulation control. It includes paired coils in the X, Y, and Z directions, a camera clamp, a microscope camera, a camera base, a camera support, a vibration isolation table, a Y-direction coil clamp, a crossbeam, an X-direction coil clamp, an operation box, a Z-direction coil clamp, a support platform, a support frame, a four-jaw clamp, a neodymium iron boron coating, a flexible shell, a magnetic ring, flexible flagella, micro-components, and positioning holes. An external current excites the coil group to generate an oscillating magnetic field, a gradient magnetic field, and a uniform magnetic field. The oscillating magnetic field provides torque to the microrobot, driving it to oscillate forward while carrying the micro-components. In the gradient magnetic field, the four-jaw clamp separates from the flexible shell, releasing the micro-components. After the four-jaw clamp degrades, the micro-components are released to the target position. Finally, under the action of the uniform magnetic field, the microrobot floats to the surface and is recovered. This invention is used for efficient, controllable, and integrated transport and release of micro-components.

The application discloses a camera scanning method and device for optical element surface defect detection, and relates to the technical field of optical detection. The method comprises the following steps: based on the dark field microscopic imaging principle, a CMOS microscope camera is controlled to perform overall scanning on a to-be-detected optical element based on a preset rough scanning path in a rough scanning mode with a magnification of 1; a sub-aperture image collected by the CMOS microscope camera at each first sub-aperture position of the preset rough scanning path is acquired, and defect feature information in the sub-aperture image is extracted; a target defect point is determined based on the defect feature information, and the target defect point is clustered to obtain a defect point clustering result; a path of all defect point classes is planned with the shortest scanning path as the target to obtain a fine scanning path; and the CMOS microscope camera is controlled to perform scanning on the to-be-detected optical element based on the fine scanning path in a fine scanning mode with a magnification greater than 1. The application can reduce scanning time and data storage amount, and reduce image splicing errors in the later stage.

The invention discloses a surveying and mapping method and device for pits generated by electric spark discharge. According to the method, firstly, the workpiece is corroded, then the pits in the upper surface of the workpiece are sequentially ground and polished, and when the pits in the upper surface of the workpiece are ground, the maximum preset grinding depth is calculated on the premise that the pits are not damaged; scanning the upper surface of the workpiece through a microscope camera to obtain a two-dimensional image of the upper surface of the workpiece, and transmitting the two-dimensional image of the upper surface of the workpiece to an upper computer to extract a pit section image; and repeating the above steps to obtain pit section images at different depth positions of the pit, surveying and mapping a complete pit contour shape through curved surface fitting, and completing surveying and mapping work of the pit contour shape. According to the method, on the basis of the calculus idea, the contour stacking method with the minimum height is adopted, surveying and mapping of the contour shape of the pit are achieved, surveying and mapping are accurate, and efficiency is high.

Examples of a lithography machine with fast alignment and an alignment system for a lithography machine are disclosed herein. The machine may include a platform for holding and moving a substrate; and a projection system for projecting an image on the plurality of exposed areas of the substrate. The machine may also include an alignment system positioned adjacent to the projection system. The alignment system may include a plurality of microscope cameras with a fixed focus, each microscope camera configured to detect a respective fiducial in a respective exposed area of the substrate, where at least one microscope camera of the plurality of microscope cameras has a numerical aperture equal to or less than 0.15.

The invention provides an image processing method and device and a microscopic camera. The target area is determined from the reference image of the target object collected by the image collection device based on the area selection instruction, the translation stage is controlled to move so that the target area can be aligned with the visual field of the image collection device, related personnel do not need to manually adjust the position of the target area, the positioning efficiency of the target area is improved, and the user experience is improved. And errors caused by manual operation are eliminated. Furthermore, by controlling the translation stage to move along the optical axis direction of the image acquisition device, the target position of the translation stage in the optical axis direction of the image acquisition device when the target area is in the focusing state is determined, and the translation stage is controlled to perform automatic scanning based on the target position so as to generate a panoramic depth image of the target area. The panoramic depth image can be automatically obtained only through one-time operation, the operation complexity is simplified, and the generation efficiency of the panoramic depth image is improved.

The utility model relates to the technical field of microscope equipment, and discloses a trinocular microscope camera interface structure, which comprises a slot arranged at the top of a microscope; the springs are symmetrically and fixedly connected to the inner side wall of the cavity; the limiting blocks are symmetrically and fixedly connected to the opposite ends of the spring, and inclined planes are arranged on the limiting blocks; the pull rods are symmetrically and fixedly connected to the top of the limiting block, and the top of the microscope is provided with through grooves for the pull rods to move; the fixing blocks are symmetrically and fixedly connected to the outer side wall of the connector; and the limiting grooves are symmetrically formed in the fixing block. The connector is directly inserted into the inserting groove, the limiting block is pushed into the cavity when the bottom end of the connector makes contact with the inclined face of the limiting block, the spring is extruded, when the limiting groove in the fixing block moves downwards to be located on the same horizontal line with the limiting block, the spring generating elastic force after deformation pops the limiting block into the limiting groove, and limiting of the fixing block and the connector is completed. Therefore, the camera can be inserted and installed conveniently and quickly.