Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
65results about How to "Achieving Auto Focus" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Microscopic multispectral marrow and its peripheral blood cell auto-analyzing instrument and method
InactiveCN1553166AQuick collectionAchieving Auto FocusColor/spectral properties measurementsImage calibrationSpectroscopy
An analyser which comprises light source, microscope, display planar array CCD and computer is featured as the follows: a) filtering system, electric-tuning filter controller and planar CCD are disposed on microscope for quick collection of optical spectrum image, computer is used to change central frequency of band-pass; b) a CCD control and data collection system is used to store digital image into computer for image process and analysis; c) a three-dimensional movable control system is used to realize automatic focusing and scanning and d) a computer is used to carry on image composition, image calibration, automatic division and identification.
Owner:WUHAN UNIV
Method for synchronizing focusing operation and zooming operation
ActiveCN103728813AReduce the difficulty of autofocusFast focusTelevision system detailsColor television detailsObject distanceComputer science
The invention discloses a method for synchronizing focusing operation and zooming operation. The method for synchronizing the focusing operation and the zooming operation is used for solving the problem that in the prior art, after the shooting object distance is changed due to scene changes, images are fuzzy to a great extent in the zooming process and after the zooming process is accomplished. The method for synchronizing the focusing operation and the zooming operation comprises the steps that in the zooming process, a switching mode for switching zooming tracking curves and a zooming tracking curve are determined, wherein the next cycle of rotation of a zooming motor and a focusing motor is driven according to the zooming tracking curve; the zooming tracking curves are switched, and the zooming motor and the focusing motor are driven to synchronously rotate according to the changed zooming tracking curve. Automatic focusing can be achieved in the zooming process, the situation that after multiplying power of an image is zoomed to form high multiplying power, the image is in a fuzzy state so that the focusing direction of automatic focusing operation cannot be easily judged is avoided, the difficulty of automatic focusing operation is reduced, and the focusing speed is increased.
Owner:ZHEJIANG DAHUA TECH
Integrated micro flow control chip control and analysis platform
InactiveCN1715881AEasy to operateMeet control requirementsFluorescence/phosphorescenceWater filterFluorescence
The integrated control and analysis platform with micro flow control chip includes mainly laser induced fluorescent detection and CCD image monitoring optical module, eight electrode high voltage DC power source module, program controlled 3D platform, precise injection pump module and control circuit module. The optical module is designed on co-focusing principle and the emitted water filter may be replaced conveniently to suit for different dyes. The PMT and the CCD camera are set in 90 deg angle and have incident light strengths distributed with the transmitting and reflecting light splitting lens. The present invention has two functions of laser induced fluorescent detection and CCD image monitoring on chip channel. The power source module and the precise injection module can the meet requirement of controlling micro fluid in chip of different integration degrees. The present invention has completely computer software control to realize many functions.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Method for automatically focusing microscope system in urinary sediment examination equipment
ActiveCN101702053ASolve the problem of searching for the maximum valueAchieving Auto FocusBioreactor/fermenter combinationsBiological substance pretreatmentsDistinctness of imageMicroscope
The invention relates to a method for automatically focusing a microscope system in urinary sediment examination equipment, belonging to method for processing the image of the microscope system. Firstly, the image of focusing liquid passing by a flow cell in a laminar flow way at high speed is shot, and then the image of the focusing liquid is analyzed to find the optimal focusing position and automatically focus the microscope system in the urinary sediment examination equipment. Aiming at solving the practical problem of automatically focusing the microscope system in the urinary sediment examination equipment, the invention provides a novel method for automatically focusing the microscope system in the urinary sediment examination equipment. The novel method can accurately focus the microscope system in urinary sediment examination equipment and has good repeatability. The invention provides the method for calculating the evaluation function of the definition of the image in each position on the basis of calculating the definition of the focusing particles in the focusing liquid, thereby better meeting the requirement of the evaluation function of the definition of the image and making the focusing judgment more accurate.
Owner:DIRUI MEDICAL TECH CO LTD
Micro-operation device for automatically screening Caenorhabditis elegans
InactiveCN101706446AReduce intensityImprove efficiencyMaterial analysis by optical meansMicroscopesControl modeManipulator
The invention discloses a micro-operation device for automatically screening Caenorhabditis elegans. The micro-operation device comprises a platform base, a three-axis automatic platform, an optical vision system, an automatic focusing device, an operation arm fine-adjusting device, and an automatic telescopic device of an end manipulator; the three-axis automatic platform, the optical vision system and the operation arm fine-adjusting device are fixedly installed at corresponding positions on the platform base; the automatic focusing device is fixedly arranged on the optical vision system; and the automatic telescopic device of the end manipulator is fixedly arranged on the operation arm fine-adjusting device. The micro-operation device is mainly used for the micro-operations such as screening, sorting and the like to the microorganism such as Caenorhabditis elegans and the like; a control mode of micro-vision servo can realize automatic focusing of the target microorganism and achieve the object of micro-operation by utilizing the end manipulator; and in the invention, all motions are realized automatically under the control of a control system of an industrial control machine, and the whole device has compact structure and convenient operation.
Owner:BEIHANG UNIV
Lens assembly capable of realizing automatic focusing by adopting fixed focus lens
InactiveCN106647108AReduce design difficulty and costGood imaging effectMountingsFocusing aidsCamera lensControl function
The invention relates to a lens assembly capable of realizing automatic focusing by adopting a fixed focus lens. The lens assembly comprises a main board chip, a lens mounting seat, a lens fixing sleeve, the fixed focus lens, an adjustable ring and an automatic focusing control motor, wherein a radial outwardly-extended guiding nail is arranged on the outer peripheral wall of the fixed focus lens; a guiding sliding groove, matched with the guiding nail in a guiding manner, is formed in the inner peripheral wall of the adjustable ring; a run-through groove is formed in the sleeve wall of the lens fixing sleeve; the automatic focusing control motor is connected with the adjustable ring through a transmission apparatus; the main board chip has an automatic focusing control function; and a control line and a power line of the automatic focusing control motor are connected with an automatic focusing control interface in the main board chip. According to the lens assembly, factors of distance changes, day and night co-focusing, temperature drift and the like of a shot object are not needed to be taken into consideration in lens design, so that the design difficulty and cost of the lens are lowered; in addition, automatic focusing can be realized through the moving of the fixed focus lens in distance changes, day and night switching and high temperature and low temperature changes of the shot object, so as to obtain a clear image.
Owner:FOCTEK PHOTONICS LNC
Method and apparatus for automatic focusing
InactiveCN103424953AAchieving Auto FocusImprove focus accuracyMountingsFocusing aidsAutomatic testingRegion of interest
The invention relates to a method and apparatus for automatic focusing. The method comprises the following steps that: a focused image is divided into more than two sub blocks; a position of one sub block with the maximum evaluation function value is found out and whether the position which the sub block is located at is in a region of interest; and if the position which the sub block is located at is not in a region of interest and the current focusing mode is a local searching mode, weighting processing is carried out on the evaluation function of the image and re-focusing is carried out on the image. The provided apparatus consists of an automatic focusing module, a region of interest focusing monitoring module, and a scene monitoring module. automatic focusing of the region of interest can be realized and the focusing precision is improved.
Owner:ZTE CORP
Automatic focusing method for laser night vision device
InactiveCN102109658AReduce duplicationAchieving Auto FocusClosed circuit television systemsMountingsCamera lensImaging lens
The invention discloses an automatic focusing method for a laser night vision device. The method comprises the following steps of: A, judging the using environment of an imaging part; B, determining the used light source according to the using environment; C, reading zoom position information of an imaging lens; D, compensating the focusing value of the lens according to different zoom positions of the lens by a control panel; and E, matching the focusing value and the zoom value to finish automatic focusing of the lens. The problems that focusing is performed by manual intervention during day and night conversion and the focusing is not clear are solved. The repeated operation of frequent focusing during night monitoring of a night vision system is reduced, the same presetting bit can be adopted in the daytime and at night, and the day and night presetting bit is not needed to be set repeatedly.
Owner:TIANJIN TIANDY DIGITAL TECH
Optical system with replaceable lens set and operation lens of replaceable lens set
InactiveCN103955045ARealize the shooting functionSimple preparation processOptical filtersMountingsCamera lensLens plate
The invention relates to an optical system with a replaceable lens set. The optical system is technically characterized by comprising a focus lens set, the replaceable lens set with the focuses capable of being replaced into different focuses and composed of at least one lens is arranged on one side of the focus lens set, an optical filter is arranged on one side of a focus fixed lens set, and an imaging face is arranged on one side of the optical filter. The invention further relates to an optical lens of the replaceable lens set applied to the optical system. The optical lens is technically characterized by comprising a focus lens cone, the focus lens set is arranged in the focus lens cone, an optical filter is arranged on one side of the focus lens set, an imaging face is arranged on one side of the optical filter, the focus lens cone is sleeved with a fixed cone frame, a replaceable lens cone is detachably arranged at one end of the fixed cone frame, the replaceable lens set is arranged in the replaceable lens cone, and a driven part which can be driven to drive the focus lens cone to get close to or get away from the replaceable lens set is arranged between the fixed cone frame and the focus lens cone. The optical system and the optical lens are simple in structure, and different shooting effects can be achieved by replacing the replaceable lens set.
Owner:UNION OPTECH
Digital microscope and focusing method thereof
ActiveCN105785561AAchieving Auto FocusImprove focusing efficiencyMicroscopesMountingsLuminous fluxControl circuit
The invention relates to a digital microscope and a focusing method thereof. According to the digital microscope and the focusing method thereof of the invention, a focusing lens group, a zoom lens group and corresponding control circuits are integrated in a microscope; a main control unit in the microscope executes a focusing search algorithm and a focusing tracking algorithm so as to control the focusing lens group and the zoom lens group to move; and the microscope is made to realize automatic focusing through adjusting an image distance; and the microscope is made to realize zoom through changing a focal length. With the digital microscope and the focusing method thereof of the invention adopted, automatic focusing can be realized without moving an object stage and the microscope, and focusing efficiency is improved, and focusing time is shortened; and a zoom tracking algorithm is adopted, so that continuous zoom and tracking can be realized, and images are clear in a whole zoom process. According to the digital microscope and the focusing method thereof of the invention, an exposure algorithm is executed through the main control unit, and the brightness of an auxiliary light source at the front end of the microscope can be automatically adjusted through the change of luminous flux, and therefore, uniform exposure can be realized.
Owner:TAGYE TECH HANGZHOU CO LTD
A sar radar system and a method relating thereto
InactiveCN101548198AHigh resolutionAchieving Auto FocusRadio wave reradiation/reflectionRadar systemsThree-dimensional space
Owner:TELEFON AB LM ERICSSON (PUBL)
Automatic tracking mechanism of laser welding machine
InactiveCN105397285AAchieving Auto FocusReduce manufacturing costLaser beam welding apparatusEngineeringLaser
The invention provides an automatic tracking mechanism of a laser welding machine. The automatic tracking mechanism comprises a bottom plate. The bottom plate is provided with a transverse sliding table and a longitudinal sliding table, wherein the transverse sliding table is located on the longitudinal sliding table, and the longitudinal sliding table can drive the transverse sliding table to move back and forth in the longitudinal direction. The transverse sliding table is provided with a supporting frame, the supporting frame is provided with a worktable, the worktable is connected to a lifting drive mechanism, a laser welding head is arranged above the worktable, distance measuring sensors are arranged in front, in the back, on the left and on the right of the laser welding head respectively, and the distance measuring sensors and the lifting drive mechanism are connected to a controller. According to the automatic tracking mechanism, there is no need to specially treat the laser welding head, just a special machine frame needs to be arranged for realizing the purpose, use is convenient, and the production cost is low and can be effectively lowered for enterprises.
Owner:SUZHOU RECEN PRECISION MACHINERY CO LTD
Large-zoom ratio automatic focusing integrated camera
InactiveCN101867705AAchieving Auto FocusFit closelyTelevision system detailsColor television detailsControl signalComputer science
The invention relates to a large-zoom ratio automatic focusing integrated camera, which belongs to the field of optical, mechanical and electronic integration. The camera comprises an automatic focusing system, a video drive system and a shell thereof. The camera adopts a contrast detection method to carry out automatic focusing, and a processor (108) of the automatic focusing system is utilized to send out control signals to acquire, process, calculate and compare image signals and processing signals to control a step motor (111) to drive a compensation assembly (G4) to move to a focusing position, so that the camera is automatically focused. The automatic focusing of the camera does not need an auxiliary light source, and cannot be affected by the distance of an object, the focusing process is controlled by the microprocessor, the time is short, the camera also has the function of video drive, and can automatically adjust an aperture according to environments, so the camera can be accurately, quickly and automatically focused under various environments, while the image cannot be distorted, and the camera can be widely applied to fields, such as expressways, air ports, finance, military, ports and the like.
Owner:FUZHOU DEV ZONE HONGFA OPTOELECTRONICS TECH
Stable and efficient automatic focusing method for decomposition projection
ActiveCN111537999AAchieving Auto FocusOvercome incompatibilityRadio wave reradiation/reflectionTime domainImaging processing
The invention discloses an automatic focusing method for decomposition projection. The method comprises the steps: obtaining original data in the whole synthetic aperture time, and dividing the original data into N sub-aperture data; performing focusing imaging processing on each sub-aperture data to obtain a first sub-image; registering the first sub-image in a ground virtual polar coordinate system to obtain registered image data; and performing error correction and sub-image fusion on the registered image data by adopting a fast coordinate descent method to obtain second sub-image data, andoutputting a focusing imaging result if the second sub-image data is a sub-image. According to the invention, the PGA algorithm is applied to the ground virtual polar coordinate system, so that the problem that a traditional frequency domain method is incompatible with a time domain method is solved, automatic focusing in the FFBP algorithm is achieved, and the focusing precision of the sub-aperture images is effectively improved; and the residual phase error model of the sub-images is established, the method is suitable for an unstable strip mode of a radar platform, the error estimation precision is improved, and the calculation complexity is reduced.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
Optical fiber automatic focusing method and automatic focusing system for laser processing
ActiveCN112792450AAchieving Auto FocusHigh positioning accuracyImage analysisLaser beam welding apparatusLaser processingImage pair
The invention provides an optical fiber automatic focusing method and an automatic focusing system for laser processing. The optical fiber automatic focusing method is used for performing automatic focusing by comprises the following steps of image acquisition, specifically, acquiring an image of a to-be-processed optical fiber; processing the image to obtain an image edge; obtaining the edge of a fiber core, specifically, performing non-maximum suppression processing and discrete edge connection processing on the image edge to obtain fine upper and lower edges of the fiber core; offset calculation, specifically, calculating the offset according to the upper and lower edges of the fiber core; and offset compensation, specifically, performing compensation according to the information of the offset, so that enabling the laser to be focused at the target position on the optical fiber. According to the optical fiber automatic focusing method and the optical fiber automatic focusing system for the laser processing, automatic optical fiber focusing can be achieved, and the laser is focused at the target position on the optical fiber, the positioning precision is high, the focusing speed is high, and different types of optical fibers can be processed.
Owner:SHENZHEN UNIV
Camera auto focus and zoom device
PendingCN107231509AAchieving Auto FocusImprove general performanceTelevision system detailsColor television detailsCamera lensGear wheel
The invention discloses a camera auto focus and zoom device. The device is arranged on a camera lens, can automatically adjust the lens focal length and object distance through a computer or a remote terminal, and feeds back lens focus and zoom information. The device comprises a base, a camera auto focus device. The base is fixed on the camera lens. The camera auto focus device is fixed on the base, and comprises a fixation plate, an encoder, a servo motor, a large gear and a pinion. The fixation plate is used for fixing the camera focus device on the base. The servo motor and the encoder are fixed on the fixation plate. The pinion is arranged on the shaft end of the servo motor. The pinion and the large gear are meshed. The large gear and a focusing ring gear on the lens are meshed. According to the invention, the device automatically adjusts focusing and zooming of a camera through the computer or the remote terminal, and accurately acquires focus and zoom information of the lens through the encoder when the focal length and the object distance are changed.
Owner:NANJING UNIV OF SCI & TECH
Camera module
ActiveCN107659759AReduce volumeLow costTelevision system detailsColor television detailsCamera lensEngineering
The invention relates to a camera module which comprises a driving device, a lens unit, a supporting unit and an imaging unit. The driving device comprises at least one driver, each driver comprises driving components and a connecting part, the lens unit is arranged in the supporting unit, the supporting unit is arranged on the imaging unit and comprises an upper support and a lower support, and an elastic part is arranged between the lens unit and the upper support. The driving device is arranged between the two opposite side faces of the lens unit and the supporting unit and connected with the lens unit and the supporting unit and can generate driving force to drive the lens unit to do linear motion to achieve focusing of the camera module. According to the camera module, the problems that in the prior art, the thickness of a driving module is limited, the driving stroke is short, and the stability is poor are solved.
Owner:NINGBO SUNNY INSTR
Focusing method, device and equipment and computer readable storage medium
ActiveCN111131717AAchieving Auto FocusTelevision system detailsColor television detailsAlgorithmIndustrial engineering
Owner:VALUEHD CORP
Lens module
InactiveCN101443993AReduce in quantitySmall deviation in moving speedPiezoelectric/electrostriction/magnetostriction machinesMountingsMagnetic tension forceOptical axis
Provided is a lens module having a lens drive mechanism having a simple structure which can stabilize the shift speed of an optical lens. The lens module has a structure wherein a lens holder (6), on which a moving body (5) that can be attracted to a magnet (4) is mounted and the optical lens not shown in a figure is to be mounted, is mounted on a housing (7) by using a guide pin (8), one side of a piezoelectric ceramic element (3) in a displacement generating direction (longitudinal direction) is bonded to the magnet (4), the other side is bonded to the housing (7), and the moving body (5) and the magnet (4) are attracted by a magnetic force. The lens holder (6) supporting the moving body (5) is supported by the guide pin (8) in a manner that the lens holder can be shifted. A lens driving mechanism has the magnetization direction of the magnet (4) in the radius direction of the optical lens by permitting the magnetization direction to substantially orthogonally intersect with the optical axis direction of the optical lens. The lens module is provided with the lens drive mechanism which vibrates the magnet (4) by vibration generated by a piezoelectric ceramic element (3), and shifts the lens holder (6) along an optical axis direction by driving the moving body (5) by using the vibration of the magnet (4) as a driving force.
Owner:TOKIN CORP +1
Image identification method and system, and automatic focusing control method and system
InactiveCN107480672AAchieving Auto FocusAccurate identificationCharacter and pattern recognitionSubject matterImage matching
The invention relates to the field of image identification, and provides an identification method, an identification system and application thereof for edges of a subject matter in an image. The identification method comprises the steps of: A, carrying out similarity matching on a template array and all regions to be matched in an image to be tested by using an image matching method, and assigning similarity values to pixels in the corresponding regions to be matched so as to obtain a similarity value image; B, filtering the similarity value image by utilizing a similarity threshold value, so as to obtain a filtered image; C, and determining the point with the maximum similarity value in the first region, and regarding the region to be matched corresponding to the point with the maximum similarity value as a subject matter region in the image to be tested, wherein the first region is a continuous similarity value region in the filtered image. The method and the system provided by the invention can precisely identify the region in which the subject matter in the image is positioned, especially when the image to be tested contains a plurality of articles in different shapes.
Owner:GUANGZHOU KANGXINRUI GENE HEALTH TECH CO LTD
Image processing device, video photographing lens, video camera body and video camera equipment
InactiveCN104980717AAvoid the effects of voltage on clarityAchieving Auto FocusBrightness and chrominance signal processing circuitsPicture signal generatorsCamera lensBandpass filtering
The invention discloses an image processing device, a video photographing lens, a video camera body and video camera equipment. The image processing device comprises a first chrominance signal filter and a bandpass filter. An image signal is successively transmitted to the first chrominance signal filter and the bandpass filter. The first chrominance signal filter is used for filtering the chrominance signal in the image signal. The bandpass filter outputs the image signal in which the chrominance signal is filtered, thereby realizing automatic focusing. Through the manner provided by the invention, the image processing device can quickly and accurately realize automatic focusing.
Owner:SHENZHEN ADVANCE RIVER SYST TECH CO LTD
Automatic focusing system for real-time balling machine tracking
InactiveCN104506776AImprove accuracyAchieving Auto FocusTelevision system detailsColor television detailsBusiness forecastingMachining system
The invention discloses an automatic focusing system for real-time balling machine tracking. A time point and an image framing position of a high-resolution video image to be acquired can be detected by performing auxiliary focusing processing on a low-resolution video, and an actual monitored target position of the time point is obtained by a motion trace forecasting unit so as to correct the image framing position, so that automatic focusing of a ball machine system is realized, and real-time adjustment can be carried out; the accuracy is high.
Owner:CHENGDU XINEDGE TECH
Automatic focusing method and system
The invention relates to the field of image shooting, and provides an automatic focusing method and system. The automatic focusing method comprises the steps of shooting, that is, controlling an imaging device to shoot a sequencing reaction region at different focusing positions to obtain a plurality of sequencing images; acquiring the optimum focusing position, that is, respectively recognizing an area value of all magnetic beads in a first region of the plurality of sequencing images by using a magnetic bead recognition threshold, and determining the optimum focusing position based on the area value of all magnetic beads in the first region of the plurality of sequencing images; and focusing, that is, moving the imaging device to the optimum focusing position. Automatic focusing can be realized quickly and efficiently according to the method and system provided by the invention.
Owner:GUANGZHOU KANGXINRUI GENE HEALTH TECH CO LTD
Automatic focusing system for laser manufacturing
The invention provides an automatic focusing system for laser manufacturing. The automatic focusing system comprises a mounting platform, an optical module, an image acquisition module, a precise position adjusting module, an image processing module, a communication module and a motion control module, wherein the image acquisition system acquires a light spot image of the laser on a machining surface, the image is processed by the image processing module, and automatic laser focusing is completed by the motion control module; the precise position adjusting module can finely adjust the positionof the image acquisition module, so that light spots can be conveniently captured in a visual field; and through reasonable design of the optical module, automatic focusing and real-time monitoring of laser spots can be realized while processing is carried out. The automatic focusing system can realize automatic focusing of a desktop-level high-precision laser micro-nano manufacturing device at the machining surface, has the advantages of being low in cost, high in motion precision, large in adjusting range, high in flexibility, modular in structure, wide in application range and the like, has high application value and can be widely applied to the focusing process in laser manufacturing.
Owner:TSINGHUA UNIV
Automatic focusing processing method of photographic equipment
InactiveCN105611163AAchieving Auto FocusEasy to operateTelevision system detailsColor television detailsData informationComputer science
The invention discloses an automatic focusing processing method of a piece of photographic equipment. The method comprises following steps of a, obtaining an object distance interval according to an initial zooming multiple and an initial focusing location in combination of at least two pre-stored zooming tracking curves; b, obtaining stored preset data information from a storage unit through the obtained object distance interval; obtaining the range data information of a focusing location; c, processing a mapping relation of the object distance interval obtained in the step a and the data information obtained in the step b, thus obtaining processed data; and d, comparing the processed data in the step c with the initial data, thus obtaining a current focusing location, thus realizing automatic focusing. The method provided by the invention has the advantages that the object distance interval is obtained by adopting a mode of combining the initial zooming multiple and the initial focusing location; the data are obtained through processing the mapping relation; the automatic focusing is realized; and the method is simple and reliable and has convenient and fast operation and high stability.
Owner:TAICANG MEIZHAIJI ENTERTAINMENT MEDIA CO LTD
Full-automatic microscope control system based on camera
InactiveCN105120161AEasy to handleAchieving Auto FocusTelevision system detailsColor television detailsBandpass filteringMicrocontroller
The invention discloses a full-automatic microscope control system based on a camera. The full-automatic microscope control system comprises a CCD camera, a line-frame separation module, a line synchronization module, a frame synchronization module, a video signal module, a bandpass filter, an A / D converter, a microcontroller module, a CPLD module and a stepping motor, wherein the CCD camera is connected with the microcontroller module through the video signal module, the bandpass filter and the A / D converter in sequence, the microcontroller module is connected with the stepping motor through the CPLD module, the output end of the stepping motor is connected with the input end of the CCD camera, the CCD camera is further connected with the line-frame separation module, and the line-frame separation module is connected with the microcontroller module through line synchronization and frame synchronization respectively.
Owner:苏州南光电子科技有限公司
Pulse optical fiber laser marking system
ActiveCN103328224AAchieving Auto FocusTypewritersLaser beam welding apparatusGalvanometerErbium lasers
A pulse optical fiber laser marking system comprises a master control part (10), a galvanometer module (23), a field lens module (24), a position detection module (21) and a drive module (22). The position detection module detects the distance from the surface of a workpiece to be marked as a detection point in real time. The master control part calculates displacement information about the galvanometer module and the field lens module needing to move according to the detection result, and generates a drive signal according to the displacement information. The master control part also produces a galvanometer control signal and a focusing control signal. The drive module drives the galvanometer module and the field lens module to move according to the drive signal. The galvanometer module controls a laser beam to deflect according to the galvanometer control signal. The field lens module focuses the deflected laser beam on the surface of the workpiece to be marked according to the focusing control signal.
Owner:SHENZHEN JPT OPTO ELECTRONICS CO LTD +1
Image recognition method, system, automatic focusing control method and system
InactiveCN107665350AAccurate identificationAchieving Auto FocusTelevision system detailsCharacter and pattern recognitionControl systemImage matching
The present invention belongs to the image recognition field and provides an image recognition method, an image recognition system, an automatic focusing control method and an automatic focusing control system. The image recognition method includes the following steps of: image matching: an image matching method is adopted to perform similarity matching on a template array and all to-be-matched region arrays in an image to be tested, and similarity values are respectively assigned to pixels in corresponding to-be-matched regions, so that a similarity value image is obtained; first filtering: the similarity value image is subjected to first filtering through using a similarity threshold value, so that a first filtered image is obtained; and region identification: the outlines of continuoussimilarity value regions in the first filtered image are obtained through a region growing method, so that the contour of a subject in the image to be tested is obtained. With the methods and the systems of the invention adopted, the contours of subjects in images can be accurately identified, and particularly, the contour of a subject in an image to be tested which contains a plurality of items in different shapes can be accurately identified.
Owner:GUANGZHOU KANGXINRUI GENE HEALTH TECH CO LTD
Real-time laser automatic focusing device and method
InactiveCN114578507ALarge adjustment rangeAchieving Auto FocusMountingsImaging processingOptical Module
The invention relates to a real-time automatic laser focusing device and method. The device comprises an optical module, an image acquisition module, an image processing module and a motion control module. Reflected light is divided into two beams, the sizes of light spots, at the same position, of the two beams of reflected light are made to be different by means of different optical paths, the laser focusing state is judged by means of the difference value of the diameters or the areas of the two light spots, and accordingly the Z-axis motion platform is controlled to achieve automatic focusing. The device has the advantages of being high in focusing precision, fast in response, large in adjustment range, adjustable in focusing precision and the like, is simple, is wide in application range, and can achieve a fast and real-time focusing function in laser focusing application.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Automatic focusing method and system
InactiveCN108012072AAchieving Auto FocusTelevision system detailsColor television detailsMagnetic beadSelf adaptive
The invention relates to the field of image photographing, and provides an automatic focusing method and system. The method comprises a photographing step: controlling an imaging device carry out thephotographing of a sequencing reaction region at different focusing positions, and obtaining a plurality of sequencing images; an optimal focusing position obtaining step: respectively obtaining magnetic bead recognition threshold values of the plurality of sequencing images through an adaptive method, and determining that the focusing position corresponding to the sequencing image corresponding to the magnetic bead recognition threshold value in a preset range in the magnetic bead recognition threshold values of the plurality of sequencing images as the optimal focusing position; a focusing step: moving the imaging device to the optimal focusing position. The method and system can quickly and efficiently achieve the automatic focusing.
Owner:GUANGZHOU KANGXINRUI GENE HEALTH TECH CO LTD
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com