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283 results about "Visual angle" patented technology
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The visual angle is the angle a viewed object subtends at the eye, usually stated in degrees of arc. It also is called the object's angular size. The diagram on the right shows an observer's eye looking at a frontal extent (the vertical arrow) that has a linear size S, located in the distance D from point O. For present purposes, point O can represent the eye's nodal points at about the center of the lens, and also represent the center of the eye's entrance pupil that is only a few millimeters in front of the lens.
High-precision defect detection method and system for semiconductor chip
The invention relates to the technical field of chip optical detection, and discloses a high-precision defect detection method and system for a semiconductor chip. Initial detection data are obtained through laser scattering and photo-thermal microscopic detection, key visual features are extracted and converted into a multi-dimensional visual feature matrix, and the multi-dimensional visual feature matrix is used for detecting the defects of the semiconductor chip; according to the method, a fuzzy sensing area is positioned and potential defects are identified by using a map clustering algorithm, adaptive analysis of a supplementary visual angle is carried out and supplementary detection data is generated, and finally defect identification is carried out through the supplementary data and popularity information to obtain a chip defect result. The method effectively improves the precision and reliability of defect detection, especially has obvious advantages in recognition of complex and fuzzy regions, and solves the problem of insufficient precision of single-path optical imaging detection in the prior art.
Owner:SHENZHEN BIAOWANG IND EQUIP CO LTD
Rapid scoliosis screening method and device
The invention discloses a scoliosis rapid screening method and device, and the method comprises the steps: S1, obtaining frame-by-frame images of a human spine through a visual sensor, and forming a human standing video sequence; s2, acquiring three-dimensional coordinate information of main skeleton key points of a human body; s3, analyzing the three-dimensional coordinate information of the main skeleton key points of the human body; s4, collecting human body front and back double-view-angle stoop motion videos through a color vision sensor; s5, carrying out frame-by-frame processing segmentation on the motion video sequence of human body stooping; s6, splicing the two-dimensional back contours extracted frame by frame to generate a complete back three-dimensional curved surface model; and S7, judging whether the scoliosis risk exists in the testee or not by combining the dynamic change indexes of the back contour features in the motion state, combining the back contour features of each frame extracted frame by frame and a plurality of indexes calculated according to the skeleton key points and inputting the indexes into the joint learning model.
Owner:NANTONG UNIV
Titanium alloy bar quality detection system and method
InactiveCN120908307AAnalysing solids using sonic/ultrasonic/infrasonic wavesProcessing detected response signalData acquisitionTitanium alloy
The invention relates to the technical field of titanium alloy bar detection, and discloses a titanium alloy bar quality detection system and method. The system comprises a multi-modal data acquisition module, a detection reference dynamic optimization module, a data standardization processing module, a multi-modal feature fusion module, an intelligent defect identification and evaluation module, a quality grade evaluation module and a quality detection report generation module. When the quality of the titanium alloy bar is detected, through a multi-mode nondestructive detection mechanism integrating ultrasonic detection data, optical surface detection data and eddy current electromagnetic detection data, all-dimensional defect information of the interior, the surface and the near surface of the bar is synchronously obtained, and complementation and cross validation of the multi-mode detection data are achieved; the problem of limitation of a single sensor detection visual angle is solved, the missed detection and misjudgment risks are reduced, and the comprehensiveness and reliability of a defect detection result are ensured.
Owner:BAOJI XINBAOTAI METAL MATERIAL PROCESSING CO LTD
Aluminum plastic package detection method and system based on machine vision
The embodiment of the invention discloses an aluminum plastic package detection method and system based on machine vision, and the method comprises the steps: carrying out the noise reduction processing of a single-visual-angle detection image of an aluminum plastic package, obtaining a noise reduction detection image, extracting an abnormal feature region, and obtaining an initial detection result; establishing a semantic association rule of a pre-trained semantic rule mapping model and the quality detection demand label of the aluminum plastic package; a synchronous quality control instruction in the production link of the aluminum plastic package is used as a semantic adaptation trigger condition, and an adjustment strategy of a semantic weight distribution unit is calibrated and activated; inputting the initial detection result into a semantic rule mapping model to perform semantic dimension priority ranking on abnormal features in the initial detection result to obtain an abnormal feature ranking result; and in combination with the defect judgment model and a defect grading rule in a current production scene corresponding to the production link, performing matching judgment on the abnormal feature sorting result, and outputting a defect judgment conclusion adaptive to the current production scene.
Owner:HENGHE PHARMA GUIZHOU
Construction safety management method based on excavator visual angle image fusion
ActiveCN120853327AClosed circuit television systemsBiometric pattern recognitionUltra-widebandFeature vector
The invention discloses a construction safety management method based on excavator visual angle image fusion, and belongs to the technical field of construction early warning, and the method specifically comprises the steps: obtaining the position and working condition of excavation equipment, and setting a dynamic alarm fence; triggering an equipment vision device to scan a personnel target in real time, identify a personnel bounding box and extract a personnel identity identification code; synchronously calling original coordinates of the corresponding ultra-wideband tag, capturing a posture visual frame, and generating a posture feature vector through skeleton joint point topology analysis; inputting the attitude vector into an attitude-error compensation model, and outputting a positioning offset predicted value to correct an original coordinate; according to the method, real-time compensation is carried out through dynamic accurate matching of the construction dangerous area and personnel positioning errors, misjudgment is avoided to the greatest extent, the safety risk active pre-judgment and alarm accuracy is improved, and the safety risk active pre-judgment and alarm accuracy is improved. And intelligent safety management of a construction site is realized.
Owner:福建融茂水利水电工程有限公司
Three-dimensional style migration method and device and storage medium
PendingCN120852151AGeometric image transformationNeural learning methodsVisual technologyMechanical engineering
The invention discloses a three-dimensional style migration method and device and a storage medium, and relates to the technical field of computer vision, and the three-dimensional style migration method comprises the following steps: adjusting a preset stylized three-dimensional Gaussian sputtering model based on an obtained target intensity vector of an adjustable style adjuster, the style intensity vector of the adjustable style regulator is associated with the attribute of each Gaussian ball in the stylized three-dimensional Gaussian sputtering model, and the style intensity vector of the adjustable style regulator is associated with the attribute of each Gaussian ball in the stylized three-dimensional Gaussian sputtering model; and carrying out style migration on the target scene based on the adjusted stylized three-dimensional Gaussian sputtering model. According to the method, through the stylized three-dimensional Gaussian sputtering model with the adjustable strength, the style images with the ideal migration degree and multiple visual angles can be obtained, and the flexibility of migration degree control of three-dimensional style migration is improved.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL
Dynamic semantic vision SLAM (Simultaneous Localization and Mapping) method based on point and line feature adaptive weighting
The invention discloses a dynamic semantic vision SLAM (Simultaneous Localization and Mapping) method based on point and line feature adaptive weighting. The method comprises the following steps: firstly, obtaining potential dynamic region prior by combining target detection and image segmentation; then adaptive weighting is carried out on point and line features in two stages: in the first stage, initial weighting is carried out based on motion consistency check and dynamic levels, and feature matching and pose preliminary estimation are realized; in the second stage, weighting is further carried out on the key frame level through multi-view consistency verification, and weighted optimization and map maintenance are combined; and finally, loopback verification and global optimization are completed based on weighted features, and cumulative drift is effectively eliminated. According to the method, interference of dynamic and low-credibility features is suppressed through differential feature weighting, the adaptability to an intermittent moving object is improved through a double-stage weighting mechanism, and the stability and observability of a low-texture scene are enhanced through point-line combined modeling.
Owner:SUZHOU UNIV
Double-view-angle mini LED vehicle-mounted display device and control method thereof
The invention relates to the technical field of displays, in particular to a double-view-angle mini LED vehicle-mounted display device and a control method thereof. The double-view-angle mini LED vehicle-mounted display device comprises a main body frame which comprises an upper rubber shell, an inner rubber frame, a middle rubber shell and a lower frame, the middle rubber shell is connected with the lower frame in a clamped mode, the upper rubber shell is connected with the middle rubber shell in a clamped mode, and the inner rubber frame is connected with the bottom of the lower frame; the first visual angle backlight assembly comprises a first light source assembly, and the first light source assembly is arranged on one inner side wall of the lower frame; the second visual angle backlight assembly comprises a second light source assembly and a visual angle restraining piece, and the visual angle restraining piece is located on one side of the light emitting direction of the second light source assembly; the visual angle restraining part is located on the side, opposite to the light emitting direction, of the first visual angle backlight assembly. According to the invention, two different visual angles can be conveniently and rapidly switched.
Owner:WAI CHI OPTO TECH (SHENZHEN) LTD
Robot operation planning method and system based on self-adaptive visual prompt
The invention relates to a robot operation planning method and system based on self-adaptive visual prompt. The method comprises the following steps: firstly, acquiring a first visual angle image and a task text instruction of a robot, and extracting a task related object list and a preliminary positioning area by using a pre-trained visual language model; visual key point detection is carried out by combining the data, and an operation candidate key point set and corresponding pixel coordinate marks are generated; according to a task instruction, candidate key point marks and the like, optimal grabbing points, path points and target points are selected from the set, pixel coordinates of the optimal grabbing points, the path points and the target points and the target direction of an end effector are output, and three-dimensional coordinates under a coordinate system of a coordinate robot are connected to generate a planned path of the end effector; and finally, in combination with the target direction and the planned path, solving the joint position and generating a continuous trajectory to complete operation planning. Compared with the prior art, the method has the advantages that the reasoning time is shortened, and the method can be efficiently and widely applied to various scenes.
Owner:SHANGHAI TONGJI INDEPENDENT INTELLIGENT UNMANNED SYSTEMS RESEARCH INSTITUTE +1
Whole vehicle virtual cabin automatic test method and system based on digital twinning
The invention discloses a method and a system for automatically testing a virtual cabin of a whole vehicle based on digital twinning, and relates to the technical field of vehicle testing, a three-dimensional working condition space containing an eye point coordinate set and a polarization angle set is constructed by simulating the height and head micro motion of a driver, and a head-up display image in the three-dimensional working condition space is acquired through a camera; constructing a correction coordinate system and a gray brightness mapping table by combining a standard calibration board, and converting the image into a physical brightness matrix; marking elements in the physical brightness matrix through a brightness threshold value, extracting two parallel straight lines of a main track and a ghosting track through Hough transform and ODR sub-pixel refitting, and calculating a visual angle difference and a ghosting brightness ratio; and generating a test result table containing the three-dimensional working condition index based on a double-threshold joint judgment rule. The system comprises an image acquisition module, a feature extraction module, a data calculation module and a test judgment module, realizes automatic and accurate quantitative automatic test based on the system, and improves the virtual cabin test efficiency and reliability.
Owner:WUHU HONGJING ELECTRONICS
Intelligent cooperative control system and method for vestibular function inspection
The invention discloses an intelligent cooperative control system and method for vestibular function inspection. The invention discloses an intelligent cooperative control system and method for vestibular function examination, and belongs to the technical field of medical instruments. The system comprises a cold and hot air perfusion module, a dynamic visual target module, a head posture detection module, a sight distance detection module, an eye movement acquisition module, a voice interaction module, an adjustable examination chair and a central controller. The central controller realizes closed-loop control based on multi-source sensing data: during a cold and hot test, if the elevation angle of the head deviates from 30 degrees + / -2 degrees, stimulation is paused and voice prompt is performed; during visual target testing, visual target parameters are automatically compensated according to the actually measured sight distance of 1.5 m + / -0.1 m so as to maintain a constant visual angle, and the upright state (90 degrees + / -2 degrees) of the head is verified; abnormities such as eye closing more than or equal to 2 seconds or head movement more than or equal to 5 degrees per second are monitored in the whole process, graded voice intervention is implemented, and the abnormities are paused. Body position conversion is guided by voice, multi-source data are synchronously stored, and peripheral and central function correlation analysis is supported. According to the invention, the accuracy and compliance of inspection can be improved.
Owner:XIAN HONGYI TECHNOLOGY CO LTD
Pixel-accurate graphics rasterization for multiscopic displays
A 3D bounding volume within which a graphical element is to be rasterized for a given eye is determined. A set of light-emitting elements from which light is directed toward the given eye along a direction intersecting the 3D bounding volume is identified. For each light-emitting element in the set, its perceived shape and angular size from a perspective of the given eye is determined. The graphical element is rasterized onto the set of light-emitting elements based at least on relative perceived positions of the light-emitting elements from the perspective of the given eye, and their perceived shape and their perceived angular size. A colour value is computed for each light-emitting element in the set based on the rasterization of the graphical element. A synthetic light field is then produced displaying the graphical element, using computed colour values for the light-emitting elements in the set.
Owner:DISTANCE TECHNOLOGIES OY
Method for controlling mowing robot to return to charging station and mowing robot
PendingCN121232793AVehicle position/course/altitude controlPosition/direction controlThresholdingControl theory
The invention provides a method for controlling a mowing robot to return to a charging station and a mowing robot, and the method comprises the steps: firstly obtaining an original image, then processing the original image through employing a first processing method to obtain a first binary image, and processing the original image through employing a second processing method to obtain a second binary image, and combining the advantages of the first processing method and the second processing method, carrying out logic AND operation on the first binarized image and the second binarized image to obtain a fused binarized image, and then determining a central reference line based on a visual identifier in the fused binarized image to guide the mowing robot to return to the charging station. According to the method, the stability of the preset threshold value and the flexibility of the adaptive threshold value are combined, the recognition precision of the visual identification under different view angle conditions is remarkably improved, the visual identification can be effectively distinguished under the conditions of strong light, shadow or color interference, and therefore the success rate of returning the mowing robot to the charging station is improved.
Owner:SUZHOU CLEVA PRECISION MACHINERY & TECH CO LTD +1
Honey pomelo granulation nondestructive testing method based on X-ray and two-dimensional fruit shape feature fusion
The invention belongs to the technical field of fruit quality detection, and particularly discloses a honey pomelo granulation nondestructive detection method based on X-ray and two-dimensional fruit shape feature fusion, and the method comprises the following steps: obtaining two-dimensional fruit shape features of honey pomelo based on an X-ray image sequence and an RGB image sequence of the honey pomelo, the X-ray image sequence is obtained by shooting an X-ray image of the honey pomelo in a rotating mode, and the RGB image sequence is obtained by shooting a surround video of the honey pomelo at a horizontal view angle; inputting the X-ray image sequence and the two-dimensional fruit shape features to a honey pomelo granulation detection model, and obtaining a granulation degree category output by the honey pomelo granulation detection model; wherein the honey pomelo granulation detection model is used for predicting the granulation degree category of the honey pomelo based on the X-ray image sequence and the two-dimensional fruit shape features. According to the method, the granulation degree of the honey pomelo can be efficiently and accurately detected under the condition that the honey pomelo is not damaged.
Owner:HUAZHONG AGRI UNIV
Evaporator-over-refrigerator display case
The utility model discloses a refrigerator display cabinet of evaporimeter upper placement, including the cabinet, the tray frame of setting in the inner chamber of cabinet and the supporting leg of setting in the bottom four corners of cabinet, the inside upper end of cabinet is provided with the evaporimeter, the bottom and left and right two ends of evaporimeter all are provided with the air outlet, the side of cabinet is provided with the auxiliary frame, the vertical swing joint of auxiliary frame has the lifting link, the bottom of lifting link is provided with the universal wheel, the upper end of auxiliary frame is provided with the drive assembly for driving the lifting of lifting link, this refrigerator display cabinet of evaporimeter upper placement, will evaporimeter remove to the food top of cabinet, and its air inlet and outlet are located above, effectively prevent the health hidden danger of food residue falling into and polluting the evaporimeter, significantly improve the cleaning convenience and health grade of equipment, simultaneously, the cabinet bottom case structure can be thinned, makes the display food can be placed in the lower position, optimizes the customer visual angle, strengthens the product display effect.
Owner:ZHEJIANG HEMA COMMERCIAL EQUIP CO LTD
Speech emotion recognition method based on multi-mode multi-view pseudo tag fusion
InactiveCN121687123ASpeech analysisCharacter and pattern recognitionFace detectionSupervised learning
The invention discloses a speech emotion recognition method based on multi-modal multi-view pseudo-tag fusion, and relates to the technical field of emotion recognition, and the method comprises the steps: firstly, constructing a visual-view pseudo-tag generation module, extracting high-quality facial expression features from a video through employing an optimized OfficientNet-V2 network and a RetinaFace face detector, and carrying out the recognition of the high-quality facial expression features; generating a visual pseudo label through time sequence aggregation; secondly, adopting a semi-supervised learning framework FixMatch to generate a reliable voice pseudo tag for the non-tag voice; secondly, fusing emotional knowledge from multiple visual angles and modes of vision and voice based on a pseudo-tag fusion function, and generating a more accurate and robust fused pseudo-tag; and finally, training a voice emotion recognition model based on a Conformer encoder to perform voice emotion recognition by combining the fused pseudo label data with the labeled voice data. According to the method, the problem of error accumulation in traditional semi-supervised learning is effectively solved, cross-modal emotion complementarity is utilized, and the accuracy and generalization ability of speech emotion recognition are remarkably improved.
Owner:ZHEJIANG IND & TRADE VOCATIONAL & TECH COLLEGE (ZHEJIANG IND & TRADE TECHNICIAN COLLEGE)
Powder box with angle-adjustable lens
The utility model discloses a powder box with an angle-adjustable lens. The powder box comprises a box bottom, a box cover, a lens seat and the lens, the lens seat and the box cover are connected in a rotating fit mode through a shaft column and a shaft seat, the lens seat is arranged in the lens seat installation groove in a rotating mode, the shaft column is regularly arranged on the back face of the lens seat, the shaft seat is regularly arranged in the lens seat installation groove, and the shaft column and the shaft seat are matched with each other, clamped into a shaft column clamping groove of the shaft seat and connected with the shaft column clamping groove in a rotating mode. The shaft column or the shaft ball is arranged on the back face of the lens seat, the shaft seat is regularly arranged on the inner side of the box cover, the lens seat is matched with the shaft seat through the shaft column or the shaft ball to rotate, and the visual angle of the lens is adjusted through the lens seat. Compared with a traditional powder box, the powder box is simple in structure and convenient to assemble. Meanwhile, after the box cover of the powder box is opened and fixed, the visual angle of the lens can be further adjusted through the lens seat, and more lens visual angles are provided for consumers.
Owner:SHANGHAI JIASHIKE PACKAGING TECH CO LTD
Novel separated vehicle-mounted display screen framework
The utility model relates to the technical field of vehicle-mounted display screens, in particular to a novel separated vehicle-mounted display screen framework which is characterized in that a sliding groove and a limiting groove are formed in a mounting plate; an electric push rod and a connecting rod are arranged on the connecting plate; an electric telescopic rod pushes a limiting block to be in sliding fit with a connecting rod and a moving rod along a limiting groove, so that a connecting plate can rotate along a rotating shaft on the connecting rod, the angle of the display panel is changed by changing the included angle between the connecting plate and a mounting plate, and the visual angle of the display panel is increased; a worker pulls a pull rod to enable a sliding block to slide along a through groove, a clamping block fixedly connected to the sliding block slides along the through groove and is separated from a clamping groove, the installation plate and the display panel can be detached from the vehicle-mounted host, maintenance personnel can carry out maintenance work on the vehicle-mounted host, and the maintenance efficiency of the vehicle-mounted host is improved. And the whole vehicle-mounted host does not need to be disassembled, so that the maintenance cost and the maintenance time are reduced, and the practicability is high.
Owner:NANJING XINGDINGSHENG ELECTRICAL CO LTD
Sea surface target tracking method based on visual guidance radar under high sea condition
ActiveCN121955973ACharacter and pattern recognitionRadio wave reradiation/reflectionPoint cloudRadar
The invention discloses a sea surface target tracking method based on a visual guidance radar under a high sea condition. The method comprises the following steps: synchronously collecting millimeter wave radar point cloud, image, positioning, direction and speed data when an unmanned ship sails; detecting an image target by using a YOLOv8 model subjected to slideloss weighted training and model distillation optimization to obtain a target detection frame; preprocessing the radar point cloud; point cloud proposal and classification are carried out based on an image detection frame, clustering clusters are generated through DBSCAN clustering, and visual angle information is fused in proposal clusters; and the clustering cluster is converted to a world coordinate system, dual matching with a historical target is realized through a Hungary algorithm, the unmatched target is initialized, and the state of the matched target is updated by using extended Kalman filtering and the future position is predicted. According to the method, a close-range sensing blind area is filled, the precision and stability of sea surface target tracking under the high sea condition are remarkably improved, and reliable guarantee is provided for safe navigation of the unmanned ship.
Owner:ORCA-TECH
A building crack detection method based on image recognition
The application discloses a kind of building crack detection methods based on image recognition, it is related to visual detection technical field, including, extract the component boundary in building component detection drawing, and carry out line segment alignment and illumination decoration, form exhibition surface base map and component line network;The central axis of slender dark pattern in exhibition surface base map is extracted, end extension and spatial configuration coding are carried out, and the structure line graph, end extension area graph and structure line configuration identification graph are obtained;Call component line network, end extension area graph and structure line configuration identification graph complete the visual angle intersection check of crack structure line graph and pseudo-crack elimination, obtain real crack line set;Along real crack line set carry out bilateral edge band search, fuzzy section connection and bifurcation section separation, and determine crack boundary corresponding relationship in combination with structure line configuration identification graph, obtain crack entity graph.The application carries out visual angle intersection check and pseudo-crack elimination, improves the distinguishing ability of real crack and decorative press line, grid joint, water mark stain.
Owner:深圳市永基建筑工程检验有限公司
Display method of video, display device, storage medium, and television
The embodiment of the application discloses a video display method, a display device, a storage medium and a television. The video display method comprises the following steps: acquiring a target 3D signal, wherein the target 3D signal comprises a left eye frame and a right eye frame; controlling a 3D glasses to cyclically open a left eye lens and a right eye lens; when the left eye frame in the target 3D signal is displayed on a display screen, the 3D glasses is controlled to open the left eye lens; when the right eye frame in the target 3D signal is displayed on the display screen, the 3D glasses is controlled to open the right eye lens; and the opening frequency of the left eye lens and the opening frequency of the right eye lens are equal to half of the current refresh rate of the display screen. On the one hand, the television has a higher refresh rate, supports a larger size display, has a larger visual angle, and thus the 3D visual experience of a user can be improved; on the other hand, a user only needs to wear 3D glasses to better experience the 3D stereoscopic display effect through the television without spending a high cost to purchase a VR hardware device.
Owner:HUIZHOU VISION NEW TECH CO LTD
Ship decontamination robot path planning method and system
PendingCN121028780AVehicle position/course/altitude controlPosition/direction controlAlgorithmMarine engineering
The invention relates to the technical field of ship decontamination, and provides a ship decontamination robot path planning method and system, and the method comprises the steps: obtaining image data of a ship surface region, recognizing visual features in the image data, and obtaining a visual recognition result; when the visual identification result shows that the preset uncertainty exists, marking the hull surface area as a to-be-confirmed area; acquiring an initial visual angle image of the to-be-confirmed area of the ship decontamination robot; the ship decontamination robot is controlled to execute displacement operation, and a new visual angle image of the to-be-confirmed area is obtained; performing difference analysis on the initial visual angle image and the new visual angle image to obtain a difference analysis result; according to the difference analysis result, the attribute of the to-be-confirmed area is judged, and an attribute judgment result is obtained; and according to an attribute judgment result, planning and adjusting an operation path of the ship decontamination robot. The device has the effect of improving the efficiency and accuracy of decontamination operation.
Owner:COSCO LIANYUNGANG LIQUID LOADING & UNLOADING EQUIP CO LTD
Mirror with adjustable height
Owner:NINGBO HAOYI GLASS PRODUCTS CO LTD
Operation table for watch maintenance
The utility model relates to the field of clock maintenance equipment, in particular to an operating table for watch maintenance, which comprises a base, a self-locking electric push rod fixedly connected onto the base and used for adjusting the operating height of a device, a support block fixedly connected onto a telescopic rod of the electric push rod, and a fixed knob in threaded connection with the support block. The supporting block is rotatably connected with an operation platform, the fixed knob is used for fixing the use angle of the operation platform, the operation platform is fixedly connected with a fixed seat, the operation platform is fixedly connected with a guide rail, the guide rail is slidably connected with a movable seat, and the fixed seat is matched with the movable seat to fix the dial plate. Stepless height adjustment of the operation platform is achieved through the electric push rod, in combination with pitching angle adjustment of the operation platform, maintenance personnel keep a natural sitting posture, the included angle between the sight line and the dial plate is stabilized at the optimal ergonomic visual angle, the problem that a traditional fixing platform needs to frequently bend down and lower the head is solved, and the cervical vertebra and lumbar vertebra strain risk is reduced.
Owner:广诚钟表集团有限公司
Hysteroscope
The utility model discloses a hysteroscope. The hysteroscope comprises a handle, a camera lens and an insertion part, the tail end of the long strip section is connected with the handle in an assembled mode, the bent inclined section is bent out of the head end of the long strip section and obliquely extends in the direction away from the handle, the tip end is connected with the bent inclined section in an assembled mode, and the camera lens is assembled on the tip end. The pick-up lens is also obliquely arranged relative to the bent inclined section in the bending direction of the bent inclined section, so that the inclination angle of the pick-up lens relative to the long strip section is the sum of the inclination angle of the bent inclined section relative to the long strip section and the inclination angle of the pick-up lens relative to the bent inclined section; therefore, the hysteroscope provided by the utility model can realize a larger visual angle to meet more clinical requirements, and can also meet the operation and use of hard instruments at the same time.
Owner:WUXI AISHIYI MEDICAL TECH CO LTD
Image processing method and device, electronic equipment and storage medium
The application provides an image processing method and device, electronic equipment and storage medium. The method acquires image frames collected by a frame camera and event information collected by an event camera in a target scene in a target period, which can ensure that the image information and the event information are consistent in space and time. Sampling image features matched with each physical pixel from an image feature map of the image frames, and splicing the pixel features of each physical pixel with the matched image features can fully utilize the complementary advantages of the frame camera and the event camera, enhance the space-time representation capability of the fused features, and overcome the limitations of a single sensor in feature acquisition. Using the fused features and a Bezier curve algorithm, a motion trajectory of at least one physical point is generated, and discrete event information is converted into a smooth motion path. Based on the motion trajectory and a background image region on the image frames, precise and efficient reconstruction of a complex motion scene is realized, and multiple image frames that are continuous and clear in a visual angle are generated.
Owner:JILIN UNIVERSITY
Teaching tool for eyeball surgery
ActiveCN224190580Uheight adjustableCosmonautic condition simulationsEducational modelsEyelidTeaching tool
The utility model discloses a teaching tool for eyeball surgery, which comprises a supporting column and an eyeball model, the front end of the supporting column is provided with a regulation and control auxiliary mechanism, the regulation and control auxiliary mechanism comprises a sliding rail fixedly connected to the front end of the supporting column, the outer side of the sliding rail is connected with a sliding frame in a sliding mode, one end of the sliding rail is provided with a limiting hole, and the other end of the sliding rail is connected with the eyeball model. And the front end of the sliding frame is fixedly connected with a mounting block. According to the teaching tool for the eyeball surgery, the threaded rod is rotated to move in the adjusting frame, so that the threaded rod drives the adjusting and controlling plate to move through the connecting block, the limiting block is separated from the limiting hole, the sliding frame is pulled to slide along the sliding rail, and the purpose of conveniently adjusting the height of an eyeball model is achieved; therefore, the eyeball model is adapted to different positions and is matched with the actual exposure height and the operation view angle of the eyeball in a real operation, and operation changes caused by differences of eye socket depth and eyelid tightness of a patient in clinic are restored.
Owner:WENZHOU MEDICAL UNIV
Head-up display method, device, apparatus, medium and product
PendingCN122110523Aimprove fluencyImprove driving safetyVehicle componentsOptical elementsComputer graphics (images)Engineering
The application discloses a head-up display method, device, equipment, medium and product, the method comprises the following steps: according to the layout position of the orthoview posture stereoscopic model of each instrument information, real-time rendering and projection into the imaging element of the carrier, when the posture of the carrier is deflected, the model rotation is carried out on each orthoview posture stereoscopic model according to the posture deflection parameter, each rotated stereoscopic model is obtained, the target expansion area of the visual angle field is determined in each rendering level, and the layout position of the rotated stereoscopic model corresponding to each new instrument information in the target expansion area is determined. According to the real-time position information of the eyeballs of the eyes of the detected carrier driver and the layout position of all rotated stereoscopic models, real-time rendering and projection into the imaging element of the carrier are carried out. The technical scheme can maximize the effective driving information, and improve the smoothness of human-computer interaction and driving safety.
Owner:NANJING CHIYUN INTELLIGENT TECHNOLOGY CO LTD
A construction progress monitoring device
The utility model provides a kind of construction progress monitoring device, including hard hat main part, four the monitoring seat of integral type is provided on the hard hat main part, and the socket of one of the monitoring seat is connected with shoulder strap power supply;The top of the hard hat main part is provided with wiring arc convex part, and wiring arc convex part is located between four the monitoring seat upper side;Hat brim is provided on the hard hat main part, and its inside buckle is equipped with hard hat inner support, and hard hat inner support is equipped with binding belt;The utility model is provided with inverted "L" type monitoring seat and camera around hard hat, covers 360 ° visual angle, avoids high-altitude falling object risk.Power supply box is connected with chest plate by shoulder strap and chest strap, disperses weight, reduces slip and oppression, and four-way distribution optimizes gravity center, forms double balance system.
Owner:ZHEJIANG ENERGY CONSTR CO LTD
Multidirectional positioning anti-falling linear laser zoom lens
The utility model relates to the technical field of lenses, in particular to a multidirectional positioning anti-drop linear laser zoom lens, which comprises an upper seat, the side wall of the upper seat is fixedly connected with a plurality of mounting blocks, the interior of the upper seat is rotatably connected with an annular plate, and the lower end of the annular plate is fixedly connected with a turntable; a movable block is slidably connected to the interior of the support, a shaft rod is rotatably connected to the side wall of the movable block, a rotating column is fixedly connected to the end of the shaft rod, a groove is formed in the end of the rotating column, a protruding block is slidably connected to the interior of the groove, a lens is fixedly connected to the end of the protruding block, and an electromagnet is fixedly connected to the inner wall of the groove. The electromagnet is matched with the protruding block. Through the synergistic effect of the motor, the electric push rod and the driving motor, flexible adjustment of the lens in the horizontal angle, the longitudinal angle and the vertical position is achieved, the diversified requirements for a laser light path or an imaging view angle in a complex scene are met, and the adaptability and compatibility of the system are remarkably improved.
Owner:SHAANXI SHUOWEI PHOTOELECTRIC TECH CO LTD