59 results about "Microscope camera" patented technology

Provided are a plenoptic microscope system having a structure in which a microlens array (MLA) is installed between an object and a microscope optical system and a general microscope camera is used as an image sensor, and an image processing apparatus for performing plenoptic imaging with information acquired from the same. In the plenoptic microscope system, an MLA including at least one microlens having a number of apertures (NA) similar to that of an objective lens of a microscope optical system is positioned at the front end of an incidence part of the microscope optical system and the objective lens is positioned at a focal length of the MLA or on an image plane of the MLA. The plenoptic image processing apparatus generates Plenoptic 1.0 and / or 2.0 images.

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.

The present disclosure relates to a computer-implemented method for calibrating an optical system of a surgical microscope, a corresponding computer program, a computer-readable storage medium storing such a program and a computer executing the program, as well as a medical system comprising an electronic data storage device and the aforementioned computer. The present disclosure further relates to a computer-implemented method, a computer program and a system for determining the spatial position of an object to be tracked not only via the surgical microscope, but also via a separate detection system. In case a deviation between the detected spatial positions is recognized, the optical system of the surgical microscope is re-calibrated.

Apparatus and methods are described for use with a microscopy unit that comprises an objective lens and a microscope camera. A cantilever includes an objective lens housing. A motor moves the cantilever along a direction of the optical axis of the objective lens. The cantilever is configured, during the movement of the cantilever, to support the objective lens within the objective lens housing such that an optical axis of the objective lens is aligned with the camera, without the objective lens being directly connected to the camera. Other applications are also described.

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 invention relates to the technical field of electronic component detection, in particular to a high-reliability direct insertion type LED support size intelligent detection and feedback system. The support size detection module comprises a ccd camera and an image processing unit, and the ccd camera obtains a top view image of the in-line LED support and transmits the top view image to the image processing unit; the solid crystal welding defect detection module is provided with a microscopic camera and is used for acquiring a welding gold thread image of the LED bracket and judging and marking a welding defect product; and the feedback module comprises a plc (programmable logic controller) and an audible and visual alarm, and triggers the audible and visual alarm to give an alarm after receiving the defect signal. According to the high-reliability direct-insertion type LED support size intelligent detection and feedback system, the size, the die bonding effect and the welding effect of an LED support are detected through the support size detection module and the die bonding welding defect detection module, high-speed and high-precision full detection is achieved, and the LED yield is increased.

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.

Lid for a portable microscope camera case, for outdoor and clinical use.

The invention relates to the technical field of medical experiment animal models, in particular to an animal experiment model and method for calcium signal recording, and the model comprises the following steps: introducing a fluorescent marker from a specific area of a selected target body into neurons of the target body, and arranging a microscopic camera fixing seat at the specific area of the target body, and observing the brain activity of the target body by using a microscope camera. According to the invention, intravenous administration and calcium signal recording model animal construction is realized, and subsequent research on drug effects and treatment mechanisms is facilitated by observing the change of calcium signals at the moment of drug intravenous blood vessel infusion.

The invention 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 steps that based on the dark field microscopic imaging principle, a CMOS microscope camera is controlled to conduct overall scanning based on a preset coarse scanning path on a to-be-detected optical element in a coarse scanning mode with the magnification factor being 1; acquiring a sub-aperture image acquired by the CMOS microscope camera at each first sub-aperture position of the preset coarse scanning path, and extracting defect feature information in the sub-aperture image; determining target defect points based on the defect feature information, and clustering the target defect points to obtain a defect point clustering result; performing path planning on class centers of all defect point classes by taking the shortest scanning path as a target to obtain a fine scanning path; and controlling the CMOS microscope camera to scan the optical element to be detected based on the fine scanning path in a fine scanning mode with the magnification times greater than 1. According to the invention, the scanning time and the data storage amount can be reduced, and the later image splicing error is reduced.

A computer-implemented method is provided for determining the current calibration and / or verifying the initial calibration of a microscope camera system. The camera system comprises an overview camera, configured to provide an overview image of a sample carrier located on the microscope's stage, and a system camera, configured to provide a microscopic image of the sample carrier located on the stage. The overview image and the microscopic image overlap in an overlapping area. The method includes determining the current calibration and / or verifying the initial calibration based on the position of a predetermined structure of the sample carrier in the overview image and the position of the predetermined structure in the microscopic image.

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.

The present invention discloses a fast automatic focusing method for a measuring microscope based on an ISP chip. The method obtains an image from a microscope camera and inputs it into the ISP chip, performs block processing on the image, calculates the sharpness value of each block respectively. For the sharpness value of each block, combined with center-biased correction and compensation processing of adjacent blocks, the corrected sharpness value is obtained. The block area with the largest sharpness value is selected, and the position of the microscope lens is gradually adjusted by using the hill-climbing method to dynamically adjust the focal length, and finally the optimal focus point is determined and the automatic focusing is completed. The method uses the ISP chip for hardware acceleration processing, greatly improving the focusing speed and accuracy, and is applicable to complex measurement environments under different lighting conditions, having a wide range of application prospects.

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.

Children's microscope cameras

In various examples from the revelation, an object, such as a surgical instrument, is located within an overview image. This overview image is obtained using a peripheral camera of a surgical microscopy system. A robotic stand of the surgical microscopy system is then positioned so that the object is within the field of view of a microscope camera. Based on this microscope image, an assistance function, such as auto-centering, is then performed.

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.

The invention discloses a device for researching a cold spraying single particle deposition / shot blasting mechanism. The device comprises a particle emitting assembly, a position adjusting assembly and a reflection observation assembly. The particle emitting assembly comprises an emitter, an emitter support and a movable cross beam. The position adjusting assembly comprises a pulley mechanism and a driving mechanism and can achieve electric adjustment of the height of the emitter. The reflection observation assembly comprises a plane mirror, a mirror bracket and a mirror bracket guide rail, and can realize horizontal observation of particles to be emitted; the aluminum profile not only forms the whole frame of the device, but also has the function of serving as a guide rail; the device is provided with the objective table capable of being disassembled quickly, so that the characteristics of the particles to be emitted can be observed through the microscope camera, the objective table is installed during an experiment, and a target material is placed. Position adjustment of the emitter and the target material can be realized, characteristics of to-be-emitted particles can be observed in the horizontal direction, an impact mechanism of the particles and a base material under the composite action of various energy fields can be researched, and active adaptation can be realized when other elements are inconvenient to move.

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 a microscope automatic focusing system based on reinforcement learning, and relates to the technical field of microscopic imaging and intelligent control. The system comprises an image acquisition module used for acquiring a current visual field image through a microscope camera; the feature extraction module is used for carrying out gradient feature calculation on the view image and selecting a normalized gradient mean value as a state vector; the control module is used for controlling the stepping motor or the piezoelectric platform to finely adjust the focal length along the Z axis according to the adjustment command; the image definition evaluation module is used for guiding the network decision-making module to adjust towards a better image definition direction; and the deep Q network decision module is used for generating a focus adjustment command and sending the focus adjustment command to the control module to realize automatic focusing of the microscope. According to the method, an intelligent strategy is trained by using deep reinforcement learning, the optimal focus is quickly and adaptively found through closed-loop interaction with a microscope system under an unsupervised learning framework, the sampling frequency and the time overhead are reduced, and good generalization of various sample environments is realized.

Device for performing an automated seamless main corneal incision, comprising a machine operating arm and a scalpel (1) installed on the machine operating arm, wherein the machine operating arm comprises a clamping device (2) for clamping the scalpel (1) and a drive arm for driving the clamping device (2) to oscillate, wherein the drive arm is provided with a first linear motor (3) and a second linear motor (4), wherein the clamping device (2) is provided with a third linear motor (5), characterized by that the device is designed to perform the automated seamless corneal main incision according to a method comprising the following steps: Step 1: two eye images are taken using a microscope camera system with a vertical shift in the millimeter range (a); Step 2: each image is preprocessed, converted into a grayscale image, and the first image is subjected to vertex detection to obtain a plurality of candidate vertices and obtain the coordinates of the vertices; Step 3: a plurality of vertices are centered and R j is the radius to detect black and white points relative to the vertices, and the black point is located in the white pixel area of ​​the vertex and the white point is located in the black pixel area of ​​the vertex, and the pixel gray level of the black point is < 0.5 and the pixel gray level of the white point is > 0.5, then the vertex is the scalpel point P' i , and the calculation formula for the position of the black dot and the white dot is as follows: X blacki = ∑ j ∈ R j ( 1 − I ( X j . Y j ) ) Y blacki = ∑ j ∈ R j ( 1 − I ( X j . Y j ) ) Y j ∑ j ∈ R j ( 1 − I ( X j . Y j ) ) X whitei = ∑ j ∈ R j ( 1 − I ( X j . Y j ) ) Y whitei = ∑ j ∈ R j ( 1 − I ( X j . Y j ) ) Y j ∑ j ∈ R i ( 1 − I ( X j . Y j ) ) R j ⇒ [ (X j − X i ) 2 + (Y j − Y i ) 2 ≤ range 2 ] including X blacki and Y blacki the coordinate values ​​of the black point, X whitei and Y whitei are the coordinate values ​​of the white point, X j and Y j are the respective coordinates of all pixels in the area of ​​the corner point as the center and R j as radius, I is the gray value of the point, range is the maximum value of the selected radius and X i and Y i are the coordinate values ​​of the scalpel point P' i ; Step 4: the P' iof the first image is adjusted to the second image to achieve a pixel distance between the adjustment points P'' i , P' i and P'' i to obtain; Step 5: The formula for calculating the depth of the scalpel point is as follows: z ′ = ( r Δ r + 1 ) a where r is the distance between the scalpel point P' i and the magnification center of the microscope, and Δr is the pixel distance between P' i and P'' i , which is called parallax; Step 6: the position and relative depth of the scalpel (1) are obtained according to the calculation, and the position of the iris is determined and the cutting position is positioned at the point on the edge of the iris closest to the pupil center; Step 7: the machine operating arm controls the movement of the scalpel (1) along the set cutting path.

The application discloses a fish bloodletting device and a use method thereof, and is provided with a dormancy mechanism, a recognition and positioning mechanism, a sucking disc assembly and a bloodletting mechanism. The electric stimulation part of the dormancy mechanism is used to electrically stimulate the fish body so that the fish body is in a dormant state. Then, the fish body is transported to the recognition and positioning mechanism. An industrial camera is used to collect the whole fish body image and obtain the fish body size parameters and the gill cover position. A biological microscope camera is used to shoot and obtain the fish tail artery and vein blood vessel position. The sucking disc assembly is used to flexibly adsorb the fish body. The position of the sucking disc assembly is changed under the control of a sucking disc position changing part. The sucking disc position changing part adjusts the fish body posture and position according to the fish body characteristic information obtained by the recognition and positioning mechanism, so that the sucking disc assembly and the adsorbed fish body are directly opposite the predetermined position of the bloodletting mechanism, and accurate bloodletting treatment is carried out.

The invention relates to the technical field of microscope mounting platforms, and discloses a microscope mounting platform for simplifying optical element calibration, comprising: a substrate, the top and bottom of which are respectively provided with a microscope camera and a lens cone; the floating flange ring is installed in the middle of the base plate, a lens of the microscope camera is located on one side of the middle of the floating flange ring, and the side, close to the microscope camera, of the lens cone is located on the other side of the middle of the floating flange ring; and the positioning and tightening assembly is positioned on one surface, close to the lens cone, of the substrate and is used for positioning and tightening the lens cone. According to the invention, the lens cone and the microscope camera are separated by using the floating flange ring, when the lens cone needs to be replaced, the positioning tightening assembly is disassembled and assembled, and when the microscope camera needs to be replaced, the microscope camera can be directly taken down from the floating flange ring, so that the microscope camera and the floating flange ring do not interfere with each other in replacement, and therefore, the lens cone and the microscope camera are assembled and disassembled conveniently; and thus, replacement or maintenance of the device is facilitated.

The invention discloses multi-nozzle cooperative plasma processing equipment for curved surface self-adaptive processing. The multi-nozzle cooperative plasma processing equipment comprises a box body, and a jet flow spray gun module, a camera shooting light source and a microscope camera which are mounted in the box body. An electric push rod is installed on the upper portion of a sleeve of the jet spray gun and connected with a variable-rigidity spherical motor, and the motor is hollow and used for containing pipelines needed by work of the spray gun, such as an insulating high-voltage cable, a gas circuit pipeline and a miniature brushless hollow motor cable. A spherical motor rotor flange is connected with a jet spray gun shell, a brushless hollow motor is embedded in the shell, and the brushless hollow motor is connected with a variable cross-section top cover in a variable cross-section channel and drives the variable cross-section top cover to rotate; rotating shafts are arranged above and below the blades in the variable-section channel, blade rotating shaft sliding groove holes are formed in the variable-section top cover, rotating shaft fixing holes are formed in the base, and the rotating angle is controlled through the brushless hollow motor to open and close the blades to control the size of the section of the airflow channel; the lower part of the base is provided with a hollow stud and connected with a small insulating ceramic; the upper part of the insulating ceramic is provided with threads; the upper part of the insulating ceramic is connected with the base; the lower part of the insulating ceramic is provided with a jet excitation electrode; rotary nozzles are mounted at the lower end of the shell; the jet spray gun body is wrapped by a compressible protective sleeve. When the plasma jet spray gun rotates, the deflection angle of + / -30 degrees can be adjusted, a larger-area and complex curved surface can be treated, the variable-section channel adjusts the airflow intensity of different nozzles, different required treatment effects in different areas are achieved, microscopic camera shooting is integrated, and the treatment result feedback closed-loop function is achieved.

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.

A dental caries detection device based on photometry and visual analysis includes three rotating platforms, which are equivalent to three modules, namely a structured light scanning module, a visual recognition module, and a light sectioning roughness detection module; the structured light scanning module obtains a high-precision three-dimensional structural model of each tooth surface; the visual recognition module obtains high-precision image color data of each tooth surface and identifies slight color changes on the tooth surface; the light sectioning detection module emits a vertical light band through a line laser to illuminate the target tooth surface, and the reflected light passes through the lens and is imaged on the surface of a microscope camera to obtain the tooth surface roughness distribution; the present invention can establish a tooth surface contour and parameter model through multi-source data collaborative processing, and can analyze and diagnose the multi-source data model obtained by scanning by combining big data machine learning and artificial intelligence analysis, determine whether the scanned tooth surface has caries, and locate the caries position.