49 results about "Image measurement" patented technology

The present application provides a plant growth and health traceability management method and system based on artificial intelligence, relating to the technical field of traceability management, which carries out label detection and registration state division on plant information, obtains a new ID allocation process and / or an original ID associated daily management process; carries out new ID classification and recording of plant information according to the new ID allocation process, obtains new plant recording information; carries out daily ACDHMS data collection according to the original ID associated daily management process, carries out image measurement associated growth analysis and growth state determination after integration according to daily growth collection data, and transmits the same to the background storage data; decrypts and checks the background storage data, and then carries out growth and health evaluation analysis, obtains health evaluation analysis data, and generates a new key written into RFID. The present application has the functions of intelligent management, accurate evaluation and safe traceability, and improves the plant growth and health analysis processing capability.

The present application relates to a kind of porous ceramic material size automatic test equipment and method, belong to image measurement technical field.Test method includes: step S1, multiple sample numbers and in order are placed into each sample compartment of material taking frame, and blank material receiving frame is placed in material taking frame side;Step S2, according to the size specification of sample, the size of material taking frame and material receiving frame, sample quantity, set the sampling program and sample receiving program of mechanical arm;Step S3, according to the size specification of sample, set the measurement program of image measuring instrument measurement sample size;Step S4, according to sampling program, control mechanical arm from material taking frame sampling and place in image measuring instrument;According to measurement program, control image measuring instrument to sample size measurement;According to sample receiving program, control mechanical arm and sample receiving to material receiving frame in, until complete the measurement of all samples.The present application can realize the accurate test of large batch sample size, improve test efficiency and accuracy.

This invention discloses a method and system for measuring the ratio of long bones in human limbs to height based on images. The method includes steps such as acquiring image sequences, selecting target frames, estimating two-dimensional human pose, predicting the ratio of long bones in limbs to height, labeling potential anomalies, and iterative updates. By acquiring human experience data, the method simultaneously verifies the model detection results and the potential anomaly labeling results based on this data. If there is a significant difference between the model detection results and the human experience data, it indicates that the model accuracy is insufficient and needs updating. If the number of abnormal individuals in the potential anomaly labeling results exceeds a preset proportion threshold, it indicates that the weighting of the linear relationship between long bones in limbs and height is incorrect. This invention offers convenient measurement, high measurement accuracy, and is unaffected by factors such as age, gender, or race; it is suitable for obese individuals and has good versatility.

A five-degree-of-freedom (DOF) microscopic depth-of-field measurement device and method are disclosed. In the device, a five-DOF motion platform is mounted on a support, possessing three translational degrees of freedom (X, Y, Z) and two rotational degrees of freedom (B, C) (or A, C). A clamping stage for the object to be measured is fixed to the motion platform. An optical measurement system is connected to the motion platform via a brittle clamp, and the optical measurement system includes an industrial camera, a lens barrel, an objective lens, and a light source connected in sequence. This invention first automates the acquisition of the displacement of each axis of the motion platform by converting the workpiece coordinates of the microstructure to be measured to the measurement coordinates, and guides the motion platform to a designated position based on the displacement of each axis. Then, it acquires image sequences of the microstructure at equal intervals along the same direction. By extracting the focal position of each pixel in the image, it achieves three-dimensional point cloud measurement or large depth-of-field image measurement of the object to be measured, featuring high measurement efficiency and anti-collision protection.

The application discloses a crack image enhancement method and device, equipment and storage medium, apply to image enhancement field, this method comprises: obtaining the crack image and calculating the gradient image of the crack image;The crack edge pixels in each gradient image are subjected to interpolation processing to obtain a strong gradient contour set;Call a deep learning algorithm to update the parameters of the strong gradient contour set;Call the strong gradient contour set after updating the parameters to process the crack image to be processed image enhancement. The method constructs a strong gradient contour set by interpolating the gradient image, improves the spatial continuity of the discrete pixels of the crack image, realizes sub-pixel level enhancement of the crack image, and avoids the problem of low image measurement accuracy caused by only considering enhancing the crack gradient feature to improve the image recognition rate in the existing crack enhancement technology without considering the spatial continuity of the discrete pixels.

A measuring device is provided. The measuring device includes a virtual image generation unit that generates a virtual image based on a plurality of layers shown in a design drawing, a measurement reference area determination unit that determines a measurement reference area to be measured using the virtual image, a measurement target area detection unit that detects a measurement target area corresponding to the measurement reference area from a measurement target including a plurality of patterned layers based on the design drawing, and a measuring unit that performs measurement of the measurement target area with respect to the measurement reference area.

This invention relates to the field of rebar length measurement, and more particularly to a high-precision length measurement method and system for continuously cast rebar billets. The method includes the following steps: installing an industrial-grade infrared camera system above the output roller conveyor of the production line to continuously acquire images and obtain a raw image stream; preprocessing the raw image stream to obtain an enhanced image stream; determining the end position of the billet based on the enhanced image stream; performing pixel displacement conversion calculation based on the end position of the billet to obtain the real-time length value of the billet; correcting the image measurement motion error of the real-time length value to generate a corrected length value; extracting the target length measurement, and performing real-time rolling tracking of the corrected length value; when the target length measurement is detected to be equal to the standard length measurement, driving the cutting equipment to complete the length measurement. This invention achieves high-precision length measurement and measurement of continuously cast rebar billets, improving the accuracy of length measurement and cutting and increasing production efficiency.

The method includes accessing a plurality of reference landmark points associated with a plurality of features in a reference image, accessing a reference measurement point corresponding to an asset in the reference image, receiving a target image including the features and the asset, identifying a plurality of target landmark points of the target image corresponding to the features, generating a mapping from the reference landmark points to the target landmark points, determining, using the mapping, a target measurement point corresponding to the asset in the target image, and extracting, from the target measurement point of the target image, a temperature measurement of the asset.

A three-dimensional measurement apparatus includes: a projection device projecting a predetermined stripe pattern on a measurement object; an imaging device capturing an image of the measurement object on which the predetermined stripe pattern is projected; a measurement device measuring a three-dimensional shape of the measurement object using a phase shift method by determining stripe pattern information from the image captured by the imaging device; and a controller controlling the projection device. The measurement device determines, in the image captured by the imaging device, the stripe pattern information on a pixel-by-pixel basis based on (i) a time difference between an output time of previous event data and an output time of subsequent event data, which are output from the imaging element during the unit time period, and (ii) at least one of a polarity of the previous event data or a polarity of the subsequent event data.

To provide an improved method for operating an aerial image measurement system and / or an aerial image measurement system. [Solution] A method for operating an airborne image measuring system (100) for qualification and / or measurement of an EUV mask (102), the airborne image measuring system comprising a vacuum chamber (104) having a measurement process chamber (106) and a process preparation chamber (108), an EUV plasma source (110), and a vacuum lock (112) for transferring the EUV mask into the process preparation chamber, the method comprising: performing preparatory measures in parallel in and / or in or within the vacuum chamber to prepare for qualification and / or measurement of the EUV mask; and qualifying and / or measuring the EUV mask by the airborne image measuring system by capturing an airborne image of the EUV mask.

The application discloses a kind of transmission electron microscope (TEM) image measurement method and related device, wherein the method comprises: obtaining the TEM image of semiconductor device, TEM image is classified by measurement component, the category of the measurement component of TEM image is obtained, then the target measurement area of TEM image is determined based on the category of measurement component, wherein the target measurement area is the area where the measurement component is located in TEM image.Electronic device measures target measurement point in target measurement area, and obtains the measurement result of TEM image.The embodiments of the present application are beneficial to improve the measurement and analysis efficiency of the TEM image of semiconductor device.

This invention provides a method for testing the needle insertion range of external glaucoma drainage tube implantation based on UBM. The method includes acquiring sagittal images of the limbus and anterior chamber angle of the subject's eye using a UBM system during the examination; interpreting and measuring the images to obtain image measurement data for needle insertion range calibration; setting a puncture point to simulate the scleral puncture position during external glaucoma drainage tube implantation; defining safety angles A and B in the UBM sagittal images of the corresponding puncture point; retaining data for one eye for each subject; and calibrating the needle insertion range based on the image measurement data and statistical analysis of safety angles A and B; using μA+1SD_A as the lower limit angle for needle insertion calibration and μB-1SD_B as the upper limit angle; and taking the midpoint of the interval as the recommended starting angle for needle insertion. This method addresses the technical problem in existing technologies where there is a lack of image-based quantitative data calibration testing for the safe needle insertion angle range corresponding to different scleral puncture points.

This system provides a pressure ulcer management system that reduces the burden on evaluators while enabling objective measurement free from subjectivity and consistent evaluation records. [Solution] The pressure ulcer management device 1 for managing pressure ulcers in patients comprises an acquisition unit 13 for acquiring images of pressure ulcers, a measurement unit 14 for measuring the size of the pressure ulcer based on the acquired images, a reception unit 15 for receiving input of multiple evaluation items for evaluating the condition of the pressure ulcer, a determination unit 16 for deriving evaluation values ​​for at least one of the multiple evaluation items related to size based on the measurement results of the pressure ulcer, and a warning unit 17 for issuing a warning if at least one combination of the input content and evaluation values ​​related to the multiple evaluation items satisfies a predefined contradiction condition.

The present application relates to the field of image measurement technology, and particularly relates to a multi-degree-of-freedom target device and a method for establishing a reference coordinate system, the target device comprising a base, a multi-degree-of-freedom adjusting mechanism and a reference target, the multi-degree-of-freedom adjusting mechanism being installed on the base, and the reference target being fixed to the multi-degree-of-freedom adjusting mechanism; the reference target is made of hard alloy steel material and has a cubic shape. The multi-degree-of-freedom target device and the method for establishing a reference coordinate system aim to solve the problem that a standard ball cannot satisfy the reference of an image coordinate measurement system.

This application discloses an edge measurement device, which includes an edge clamping mechanism for clamping the outer circumferential side of a wafer; a rotation drive mechanism connected to the edge clamping mechanism for driving the clamped wafer to rotate; a position sensing module for collecting wafer edge data and determining the notch position and clamping position; and an edge imaging measurement module for measuring when the wafer is at an unobstructed measurement angle to obtain a first measurement result; and for measuring when the wafer is at an obstructed measurement angle upon receiving a position change signal to obtain a second measurement result; a system controller for identifying the obstructed measurement angle and the unobstructed measurement angle based on the notch position, clamping position, and multiple preset measurement angles; and for controlling the edge clamping mechanism to perform a claw-changing operation upon obtaining the first measurement result; and for fusing the first measurement result with the second measurement result to generate an edge measurement result; thus improving the cleanliness, safety, detection efficiency, data comprehensiveness, and intelligence level of wafer edge measurement.

A method of determining binocular alignment includes measuring an uncoupling phoria of a patient at a first simulated distance by: presenting a fusible image including a target having a first disparity corresponding to the first simulated distance using a stereoscopic display of a head-mounted device at a screen distance; presenting the target having the first disparity for a first eye and presenting an uncoupling null target image for a second eye to present a non-fusible image, and measuring an uncoupling phoria in response to the presentation of the non-fusible image using an eye tracker of the head-mounted device; and including determining a vergence of the patient at the first simulated distance by: presenting a fusible image having the first disparity corrected for the measured uncoupling phoria for the first and second eyes; measuring a coupling phoria in response to the presentation of the fusible image; and determining the vergence as a combination of the uncoupling phoria and the coupling phoria.

This invention discloses a grid line intersection point localization method based on connected component analysis and Gaussian fitting. It relates to the fields of machine vision and image processing technology. The method includes: acquiring a grid image and preprocessing it to obtain a clean grid image; enhancing and extracting edge features from the clean grid image to obtain an optimized edge grid cell region image; performing connected component analysis, sorting, and corner point recognition on the optimized edge grid cell region image to obtain a total sequence map of the edge grid cell regions; establishing a region association mapping relationship on the total sequence map of the edge grid cell regions; performing Gaussian fitting based on the region association mapping relationship for precise localization to obtain the intersection point coordinates; and obtaining the optimized grid intersection point coordinates by solving the analytical intersection points of adjacent horizontal and vertical grid lines. This invention can effectively improve the accuracy and reliability of grid intersection point coordinate extraction and is suitable for various image measurement and analysis tasks requiring precise grid localization.

This invention discloses an image measurement device and method based on real-time compensation using a laser interferometer. The device includes an X-axis guide rail, an X-axis air-bearing moving platform mounted on the X-axis guide rail, a Y-axis guide rail mounted on the X-axis air-bearing moving platform, a Y-axis moving platform mounted on the Y-axis guide rail, an image acquisition module mounted on the Y-axis moving platform, an X-axis laser interferometry module, a Y-axis laser interferometry module, an X-axis position detection module, and a Y-axis position detection module. This invention accurately measures the straightness errors of the X-axis and Y-axis guide rails in the horizontal and vertical directions using the X-axis and Y-axis laser interferometry modules, respectively. The straightness deviations of the two guide rails are quantified and integrated into the overall positioning error to achieve real-time dual-axis compensation, improving positioning accuracy. Combined with the deep linkage between the positioning system and the image measurement system, this invention meets the practical needs of the precision image measurement field.

This application discloses a method, device, electronic device, and storage medium for measuring human injuries, belonging to the field of injury measurement technology. The method includes: acquiring a three-dimensional model of the injured limb and displaying the three-dimensional model on a display interface; responding to user interaction with the three-dimensional model on the display interface, determining the target coordinate information of the three-dimensional model mapped to the interaction; and calculating the injury parameters of the injured limb based on the target coordinate information. This application, through the visual display of the three-dimensional model of the injured limb, allows users to intuitively observe the overall shape and injury area of ​​the injured limb. Users can interact with the three-dimensional model through the display interface, and mapping user interaction with the three-dimensional model to target coordinate information of the three-dimensional model enables accurate location of the injury area and calculation of the injury parameters of the injured limb. This reduces positioning errors caused by manual estimation or two-dimensional image measurement, simplifies the measurement process, shortens measurement time, and improves the efficiency and accuracy of human injury measurement.

The application discloses an oil saw guide plate flatness and groove wear image measurement method and system, relates to the technical field of machine vision image measurement, and the method obtains guide plate multi-source fusion image data through the cooperative collection of a line laser projection and coaxial light source illumination, calculates the flatness deviation by using three-dimensional point cloud reconstruction and reference plane fitting, adopts sub-pixel edge detection and multi-section statistical measurement to quantize groove wear parameters, fuses the flatness and groove wear indexes to calculate a comprehensive wear index and output a grading maintenance suggestion, and automatically generates a detection report, thereby providing an objective quantitative basis for oil saw guide plate quality detection.

The application relates to an automatic pressing plate mechanism of a large-stroke image measuring instrument, and belongs to the technical field of image measurement. The automatic pressing plate mechanism of the large-stroke image measuring instrument comprises a carrying table and a pressing plate assembly. The pressing plate assembly comprises a plate body part and a movable connecting piece. The movable connecting piece is arranged at one end of the plate body part and is movably connected with the carrying table. The movable connecting piece is configured to drive the plate body part to rotate along a first axis and move along a first direction. The first direction intersects with the direction of the first axis. The automatic pressing plate mechanism of the large-stroke image measuring instrument provided by the application at least solves the problem of insufficient adaptability in the related art.

1. Name of the product in this design: Receiver. 2. Application of this design: A handheld GNSS receiver integrating a laser measurement system, an inertial navigation system, an image measurement system, and a global satellite navigation and positioning system for engineering surveying and other purposes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to the field of titanium crystal processing technology and discloses an automated robotic material handling system for rod-shaped high-purity titanium crystals. The system includes a material handling bin and robotic arms. An imaging measurement device is installed on one side of the material handling bin, and a hoisting truss is installed on the top of the bin for guiding the rod-shaped high-purity titanium crystals into it. The detection end of the imaging measurement device faces the movement path of the rod-shaped high-purity titanium crystals. Lifting devices for connecting the rod-shaped high-purity titanium crystals are slidably mounted on the hoisting truss. The robotic arms are symmetrically arranged on both sides of the material handling bin. The lifting devices move along the laying direction of the hoisting truss. The material handling system, through the coordinated operation of the hoisting truss, imaging measurement device, dual robotic arms, belt conveyor, and spray pipes, replaces traditional manual clamping, material handling, cleaning, and transfer processes, completing an automated operation process. By standardizing processing and production standards, it is highly adaptable to the large-scale production of high-purity titanium crystals.

This utility model relates to a tool cutting edge image measurement and chamfering machining machine, including a V-shaped clamp, a clamping seat, a support base, a hand rest, a hand rest adjustment seat, an imaging module, an X-axis moving module, a Y-axis moving module, a Z-axis moving module, and a display. The V-shaped clamp is equipped with a clamping seat for stabilizing the tool. A hand rest is provided on one side of the V-shaped clamp and is mounted on the hand rest adjustment seat. An imaging module for visual projection and detection of the clamping process is located above the V-shaped clamp. The imaging module is mounted and fixed by the X-axis moving module, the Y-axis moving module, and the Z-axis moving module. The imaging module is connected to the display, which is placed on the side of the support base via a display bracket. An angle adjustment component for adjusting the angle of the V-shaped clamp is provided on the support base, and the V-shaped clamp is mounted on the angle adjustment component. This utility model can improve the accuracy of the angle, thereby achieving high-quality machining.

The application provides a measurement method, system, device and storage medium, the method is realized by a measurement system, the measurement system comprises a laser ranging module, an image measurement module and a navigation module, the method comprises the following steps: obtaining measurement data of a to-be-measured point, the measurement data comprises first measurement data obtained from the laser ranging module, second measurement data obtained from the image measurement module and third measurement data obtained from the navigation module; at least one position measurement result of the to-be-measured point is calculated based on the measurement data of the to-be-measured point; the final position measurement result of the to-be-measured point is calculated based on the at least one position measurement result by using a preset measurement fusion algorithm. The effective fusion of the measurement data of the laser ranging module, the image measurement module and the navigation module improves the accuracy of the position measurement of the to-be-measured point in space.

The application discloses a kind of satellite on-board clock autonomous correction method using lunar occultation observation, utilize observation record and handle the time sequence of stellar occultation phenomenon of moon, correct on-board clock deviation.First, on-board imaging measurement equipment such as star sensor is used to observe the occultation and recurrence phenomenon of moon to specific star, record the time of phenomenon occurrence, form measurement time sequence, then utilize satellite accurate orbit information to combine lunar ephemeris calculation theoretical occultation and recurrence phenomenon time sequence, compare two groups of time sequence, iteratively correct star clock reference, so that actual observation time sequence and theoretical time sequence accurately coincide, to achieve the purpose of star clock reference correction.This method does not need to increase additional new equipment for satellite, only needs to utilize existing common sensitive equipment to complete observation, low in cost, high in system reliability, less on-board resource occupation.

The application discloses an integrated image measuring system and method for an anterior segment and a posterior segment of an eye, a sweep frequency light source is used for emitting near infrared light, a coupler is used for proportionally dividing the received near infrared light into two light beams, a first light beam is transported to a reference arm, and a second light beam is transported to a sample arm, the sample arm is used for obtaining a Bessel light beam after the second light beam passes through a diffractive optical element, and the Bessel light beam is focused on the eye after entering a first 4f combined lens and a second 4f combined lens to generate a backscattering light beam, a balanced detector is used for interfering the backscattering light beam with a light beam output by the reference arm, and converting the interfered light beam into an electric signal, a data acquisition card is used for converting the electric signal into a digital signal, and a computer is used for obtaining an integrated image of the anterior segment and the posterior segment of the eye based on the digital signal. The application enables the anterior segment and the posterior segment of the eye to be clearly imaged in the same time period interval in a large focal depth range.

This invention provides an intelligent image measurement and navigation method and system for transcatheter aortic valve replacement (TAVR), relating to the field of medical auxiliary diagnosis. Utilizing a dual-temporal collaborative repair strategy, it can use the texture information of clear temporal phases to complete the anatomical details of blurred temporal phases, obtaining complete anatomical boundaries even under imperfect cross-sections. This significantly reduces the time and frequency of physical probe adjustments during surgery, lowering the reliance on the operational skills of anesthesiologists or sonographers. Through cascaded positioning with anatomical region locking, and using a probability field strength prior forced algorithm to focus on high-probability anatomical structures, it shields background noise that is easily interfered with by the human eye, ensuring the objectivity and consistency of measurement results. This allows less experienced surgeons to achieve measurement accuracy consistent with senior experts, providing standardized data support for valve model selection. It can intelligently filter out motion interference, ensuring the safety of intraoperative navigation, and its sub-pixel accuracy meets the requirements of refined TAVR surgery.