137 results about "Optical identification" patented technology

The invention provides an oral implant navigation method and system and a storage medium, after an optical locator is fixedly arranged on an implant mobile phone, three-dimensional data of a rotating shaft of the implant mobile phone, the tail end of the rotating shaft and a spherical drill on an optical three-dimensional coordinate system of the optical locator are obtained, and a registration pit is used as a medium to obtain a three-dimensional coordinate system of the implant mobile phone; and positioning three-dimensional data of the three-dimensional coordinate system in the optical three-dimensional coordinate system, registering the three-dimensional data of the pits on the CT three-dimensional coordinate system to complete registration, calculating the pose of the tip of the drill point and the pose of the ideal path under the positioning three-dimensional coordinate system, and performing real-time navigation on the planted mobile phone according to the difference between the tip of the drill point and the ideal path. An optical positioning instrument is fixedly arranged on the planting mobile phone, and while the planting mobile phone is used for drilling operation, image data of the optical identification points are collected through the optical positioning instrument for real-time navigation; the optical positioning instrument and the planting mobile phone are integrally connected, so that the process of positioning the planting mobile phone in real time can be omitted, and navigation errors are effectively reduced.

The invention relates to the technical field of electronic manufacturing, in particular to a PCB SMT mounting method and system based on optical recognition, and the method comprises the steps: carrying out the datum point collection of a pre-confirmed circuit board, obtaining an actual datum point image, carrying out the deviation calculation through employing a theoretical datum point image and the actual datum point image, obtaining an offset, obtaining a plurality of qualified mounting elements, and carrying out the recognition of the qualified mounting elements. The method comprises the following steps: carrying out offset analysis on qualified surface-mounted components to obtain a component center coordinate offset value, carrying out movement compensation on surface-mounted coordinates by utilizing the offset and the component center coordinate offset value to obtain target surface-mounted coordinates, and carrying out surface-mounted on a plurality of qualified surface-mounted components corresponding to a plurality of target surface-mounted coordinates based on the plurality of target surface-mounted coordinates. And carrying out continuous tin defect detection on the surface-mounted circuit board, and taking the surface-mounted circuit board of which the defect score is greater than a defect score threshold as a finished product circuit board. According to the invention, the problems of positioning deviation and tin connection welding quality defects during circuit board mounting can be solved.

The invention relates to the field of crystal detection, and discloses a multifunctional comprehensive scintillation crystal and semiconductor material energy spectrum test system, which comprises a crystal adaptation module for judging the type and size of a placed crystal through an optical identification and parameter matching mechanism, and a signal acquisition module for amplifying, filtering and digitally processing an acquired signal, the signal correction module is used for correcting waveform distortion and baseline drift through a dynamic gain adjustment algorithm of a low-noise pre-amplifier and a multi-channel pulse analyzer; the data analysis module is used for generating an energy spectrum curve according to input signals and calculating energy resolution, counting rate, light attenuation time or carrier mobility, and the environment calibration module is used for dynamically evaluating shading degree, environment light, temperature and electromagnetic interference through an optical sensor and a temperature and humidity detector in the camera obscura and outputting updated calibration parameters. The method has the advantages of improving the detection efficiency, precision and consistency.

The invention relates to the technical field of optical recognition, and further relates to an unmanned aerial vehicle self-adaptive target recognition method and system based on optical detection, and the method comprises the following steps: 1, collecting a pair of visible light image frames and infrared image frames at the same time point to form an image frame pair, and carrying out the alignment preprocessing of the image frame pair to obtain an aligned frame pair; step 2, based on the aligned frame pair, respectively generating a neutral comparison graph corresponding to the visible light image frame and a neutral heat graph corresponding to the infrared image frame, and generating a topological manifold graph based on the neutral comparison graph and the neutral heat graph; 3, threshold segmentation is executed in the neutral comparison graph and the neutral heat graph, screening is carried out in combination with geometric and spatial constraints, and a candidate set is obtained; and if the judgment is passed, outputting an identification result according to the shape trunk characteristics. According to the method, the recognition accuracy, robustness and practical value are remarkably improved in a complex background and a dynamic environment.

The invention discloses a motor insertion piece positioning detection method using optical recognition, and particularly relates to the technical field of motor manufacturing and detection. Collecting a high-resolution image containing the insert structure; carrying out image gray level enhancement and reflection interference suppression; extracting insert edge gradient information, and constructing an insert boundary point set; fitting the profile of the insert according to the boundary point set, and correcting the profile through a shape prior model; extracting barycentric coordinates and center positioning features of the inserts, calculating offsets delta X and delta Y and an angular deviation theta, and constructing a position offset vector V; the V is compared with a set tolerance model T, and whether the insertion piece is qualified or not is judged; an error distribution thermodynamic diagram is generated based on the offset data of the multiple punching sheets, and trend evaluation of the mold state and the material stability is achieved; according to the method, high-precision, full-automatic and visual detection of the sheet inserting position can be realized, and the sheet punching quality control level is improved.

The invention provides a PDF (Portable Document Format) optimized translation method based on intelligent text detection, which comprises the following steps of: 1, analyzing a PDF document, respectively identifying a text region and an image region in the PDF document, and extracting a native text block of the text region in the PDF document and structured position information of the native text block; the recognition result and the native text block are combined into a unified structured data set; 3, performing machine translation by adopting a window translation strategy in combination with the context, and extracting a target translation; adjacent text blocks are dynamically associated during translation, and a target text range is defined through boundary markers; and 4, dynamically optimizing the text layout according to the target translation length, and backfilling a translation result to an original position. According to the method, the translated text can be accurately and seamlessly backfilled to the corresponding position of the original image, meanwhile, the content of the original image is ensured not to be shielded, and visual disorder or information loss caused by text coverage is avoided.

The invention belongs to the technical field of optical fibers, and relates to an optical fiber ribbon easy to optically identify and detect and a manufacturing method. The optical fiber ribbon comprises a plurality of optical fibers and an adhesive tape, the plurality of optical fibers are arranged side by side and are in line contact in sequence, and the plurality of optical fibers are connected through the adhesive tape to form the optical fiber ribbon; the projection of the adhesive tape in the thickness direction of the optical fiber ribbon comprises a first corrugated line and a second corrugated line, the first corrugated line and the second corrugated line extend in a corrugated shape in the length direction of the optical fiber ribbon, and the two ends of the first corrugated line are connected with the two ends of the second corrugated line at the contact line of the optical fiber. And a corrugated identification loop is defined. The optical fiber ribbon provided by the invention has the effect of being easily optically identified and detected.

A compact card handling device for use in casinos possesses a card input portal and two playing card discharge portals which are all accessible by a device operator. An optical recognition sensor cooperates with a microcontroller to interrogate the integrity of each card during an ongoing shuffling operation to discover unexpected cards, including unrecognized cards and flipped cards. Expected cards are randomized and accumulated into a stack whereupon those cards are thereafter delivered to a first discharge portal comprising a conventional multi-card shoe. Unexpected cards are immediately discharged to a second portal where they may be visually examined by the device operator while a shuffling operation continues. The input portal and the shoe are clustered conveniently upon the surface of a casino table while the bulk of the machine resides below the table surface.

Method for determining the need for cleaning of a commercial cooking appliance with at least one cooking surface, characterized by the steps: - Capturing at least one image of at least part of the cooking surface and / or at least part of a cooking product to be cooked or cooked by an optical recognition device, - Comparing the captured image of the cooking surface area with a pre-stored reference image of a dirty cooking surface requiring cleaning, and / or the captured image of the product to be cooked or cooked with a pre-stored reference image of the product in a state of cooking that indicates a need for cleaning the cooking surface, and - Decide, based on the result of the comparison, whether cleaning is necessary.

An automated control system for a glider towed by a tug employs a camera mounted on one of the aircraft to view the other (the “target”). An optical recognition system receives images from the camera and determines the relative range and bearing of the target. A controller determines corrections to the flight characteristics of the glider in response to the range and bearing data from the optical recognition system. An interface to the flight controls of the glider maintains the desired flight characteristics of the glider provided by the controller.

The utility model discloses a wafer optical identification device. Comprising a camera device, a light-emitting device, a circuit substrate and a light source refraction piece, wherein the camera device is used for shooting graphic and text information on a wafer semiconductor; the light-emitting device is provided with a plurality of light-emitting elements and is arranged at one side of the camera device; the circuit substrate can identify the graphic and text information and can control the light-emitting elements to act; the circuit substrate is arranged on one side of the light-emitting device and connected with the camera device and the light-emitting device, and the light source refraction piece is arranged on one side of the light-emitting device. When the image-text information on the wafer semiconductor cannot be clearly shot by the camera device due to the angle relation, the light source emitted by the light-emitting element on the light-emitting device is utilized to strengthen or optimize the light source where the image-text information is located after passing through the light source refracting piece, and a user can pass through the circuit substrate to obtain the image-text information. And the starting mode of the light-emitting element is changed according to the requirement, so that any light source problem related to graphic and text information can be solved.

The application provides a method and device for identifying a lesion range of a urinary system by using interference optics, and the method comprises the following steps: obtaining a polarized image corresponding to a multi-layer optical rotation tomogram by filtering through a polaroid, and generating an original polarization image containing interference fringes and tissue texture; performing line extraction, intersection removal, Gaussian mask and smoothing reconstruction processing on the original polarization image to generate an interference bright line image; according to the light and dark distribution of the interference bright line image, optical rotation calculation and Mueller matrix correction are sequentially performed to generate tissue optical rotation distribution data; and the lesion range is identified by matching the tissue optical rotation distribution data with a preset calibration sample. Through multi-wavelength orthogonal polarization interference and optical rotation accurate detection, the ability to distinguish flat lesions and inflammatory mucosa is improved from the root, and the lesion boundary identification accuracy and identification efficiency are significantly improved.

The invention provides an efficient crushing and sorting automobile metal recovery method and system, and relates to the technical field of automobile sorting, and the efficient crushing and sorting automobile metal recovery method comprises the steps that aiming at automobile metal recovery, an optical recognition system is used for determining optical sorting characteristics and crushing characteristics corresponding to alloy series categories; in combination with the characteristics, an integrated management module is constructed through a decision tree, and the integrated management module comprises an optical sorting unit and a crushing management unit; determining an initialization recovery strategy; and through process phase change and production line configuration characteristics, sorting verification compensation and parameter control conversion of the strategy are carried out so as to optimize the pre-recovery strategy. And finally, controlling metal recovery. By means of the method and device, the problems that in the prior art, due to the lack of an accurate recognition technology, the sorting efficiency is low in the metal recycling process, environment pollution is serious, and the resource recycling efficiency and sustainability are further affected can be solved. And different production environments and requirements can be met during recycling, the automobile metal recycling efficiency and purity are improved, and meanwhile environmental pollution is reduced.

The embodiment of the invention provides a handwriting system and a handwriting recognition method. The handwriting system comprises a writing surface, a handwriting pen and an electronic device, the writing surface comprises at least one optical identification code, and each optical identification code corresponds to one coordinate; the handwriting pen is used for determining a written target content according to a plurality of target optical identification codes passed by a user when the user uses the handwriting pen to write on the writing surface; the electronic device comprises a display screen, and the display screen is used for displaying the target content. According to the scheme, the writing track when the user writes the characters can be identified through the optical identification code on the writing surface, and the writing track can assist in identifying the written characters, so that the accuracy of handwriting identification is improved.

This invention discloses a particle cleaning device for the final testing stage of COF products, relating to the field of microelectronic packaging and testing technology. It includes a testing machine, with a fixed top plate mounted on top. The machine also has a roller, a first constant-force wheel, and a second constant-force wheel, with a yellow rubber tension wheel between them. An ion gun is also mounted on the machine, driven by the same set of air pumps. A blow-suction composite module and an optical recognition module are also detachably mounted on the machine. The machine is further equipped with an intelligent control terminal for adjusting the ion gun and the blow-suction composite module. During use, the dynamically adjustable servo nozzle of the ion gun works in conjunction with the precise blowing nozzle of the blow-suction composite module to fully cover the blind spots of the ion gun, effectively reducing the cleaning blind spots caused by particle shedding and contamination of the product.

A disposable flow-stop cartridge (1038) for medical infusion systems may include a top housing (1040) secured to a bottom housing (1042) and a tube-coupling slot that routes a tubing segment (1046). First (1052) and second (1050) links between the housings are pivotally coupled to move between an occluding position, in which a plunger on a first link may compress the tube against a backstop (1066), and a non-occluding position that may permit flow. Motion of the first link may be constrained by a guide (1070) that slides in a housing-formed track (1072). A distal identification section on the top housing may present a row of apertures (1060) arranged along a read direction for optical identification. Variants may include end-stop surfaces, an arcuate tube-coupling slot, a slider-type guide with U-shaped, T-slot, or dovetail tracks, an externally accessible flange, a coplanar or ledged identification section with evenly spaced apertures that may encode a binary sequence, and an oblong bottom opening for tube routing.

The invention discloses a wafer optical identification device. Comprising a camera device for shooting graphic and text information on a wafer semiconductor, a light-emitting device with a plurality of light-emitting elements, a circuit substrate capable of identifying the graphic and text information and controlling the light-emitting elements to act, and a light source refraction piece capable of refracting light sources emitted by the light-emitting elements, when the image-text information on the wafer semiconductor cannot be clearly shot by the camera device due to the angle relation, the light source emitted by the light-emitting element on the light-emitting device is utilized to strengthen or optimize the light source where the image-text information is located after passing through the light source refracting piece, and a user can pass through the circuit substrate to obtain the image-text information. And the starting mode of the light-emitting element is changed according to the requirement, so that any light source problem related to graphic and text information can be solved.

The invention discloses lens dispensing, aligning and laminating equipment, and belongs to the technical field of lens laminating equipment. Comprising a machine table, a dispensing and laminating module is arranged on the machine table, the dispensing and laminating module comprises a material tower unit, and the material table unit comprises a prism material tower and a lens material tower which are arranged in parallel; the prism material tower is sequentially provided with a prism carrying table module and a prism visual material taking unit in the advancing direction. The lens material tower is sequentially provided with a lens carrying table module and a lens visual material taking unit in the advancing direction. A fine positioning unit is arranged between the prism visual material taking unit and the lens visual material taking unit; a fitting carrier assembly is arranged below the fine positioning unit, an optical recognition alignment assembly is arranged behind the fine positioning unit, and a discharging curing unit is arranged on the side of the fine positioning unit. The lens dispensing, aligning and laminating equipment disclosed by the invention can be suitable for aligning and laminating a concave lens or a convex lens to a prism, and automatic production is realized in the whole laminating process.

The utility model relates to an automatic optical screw sorting machine, and belongs to the technical field of automatic equipment manufacturing and optical detection. The equipment comprises a feeding module, a vibration disc, a rotating disc module, a camera module and a discharging module. The feeding module receives screws through a feeding hopper, the vibration disc pushes the screws forwards through vibration, the rotating disc module drives a rotating outer disc to rotate through a servo motor, and the screws are located on the same circumference through a guide mechanism. The camera module is arranged on one side of the rotating disc module and used for recognizing the size and the length of the screw and transmitting recognition information to a computer terminal. The discharging module comprises an electromagnetic valve and a push rod, and the electromagnetic valve drives the push rod to feed the screws into the corresponding discharging openings according to feedback signals of the computer terminal. According to the equipment, through the optical recognition technology and an automatic sorting system, the screw sorting efficiency and accuracy are improved, and the requirements for sorting screws of different types and specifications are met.

The invention relates to a method for controlling the driving operation of a vehicle. According to the invention, a monitoring area in front of the vehicle is detected to acquire a relevant target (5, 6) from sensor data, and the environment of the vehicle is detected to generate an environment image (7). According to the sensor data and the environment image (7), relevant objects (5, 6) are optically identified and classified into known relevant objects (5) and unknown relevant objects (6). A travelable level (9) is assigned to a known target (5). The unknown target (6) is further processed by inputting a picture of the unknown target into a calculation unit (9), which is configured with the degree of travel (9) of the target. An unknown target of interest (6) is identified by a computing unit (9) and a travelable level (9) is assigned to the unknown target of interest. The drivable level (9) for the unknown target (6) is provided to a control unit, and the driving operation of the vehicle is controlled by the control unit taking into account the drivable levels (9) of all the targets (5, 6).

This invention provides an optical recognition and detection device and method. The optical recognition and detection device includes: a conveying track, a stage, a first magnet assembly, a first magnetic guide, a second magnet assembly, and a second magnetic guide. The stage is rotatably mounted on the conveying track. The first N-pole and first S-pole of the first magnet assembly are positioned at a first height on the stage, 180 degrees apart from each other. The first magnetic guide is located at the first height and has a consistent magnetic pole on its surface facing the conveying track. The second N-pole and second S-pole of the second magnet assembly are positioned at a second height on the stage, different from the first height, 180 degrees apart from each other. The second N-pole and second S-pole are 90 degrees apart from the first N-pole and first S-pole, respectively. The second magnetic guide is located at the second height and has a consistent magnetic pole. The optical recognition and detection device and method of this invention improve upon the problem of easy errors in the interpretation of existing technologies and add the function of interpreting coating film thickness.

The present invention relates to a sample preparation system comprising a surface selection module for identifying one or more preparation discs having a preparation surface for materialographic sample preparation, the surface selection module comprises a support system having three or more shelves, such as five or more shelves each arranged to support a preparation disc having a preparation surface, for each shelf, the surface selection module comprises a reflecting surface arranged to direct electromagnetic waves reflected from a characteristic identification mark of the preparation disc to a sensing position located external to the support system, the surface selection module further comprisesan optical sensor arranged to sense the characteristic identification mark in the sensing position and to provide an identification output accordingly,the sample preparation system further comprisesa mechanical processing unit comprising a support arrangement with a plane support surface on which the preparation discs may be held in place during sample preparation by means of a fixation arrangement,a transfer unit for transferring a preparation disc having a preparation surface from the support system to the plane support surface of the mechanical processing unit, anda control unit arranged to control the transfer unit in response to the identification output, the invention further relates to a preparation disc and a method of identifying one or more preparation discs.

A modular socket system with automatic power interruption includes modular socket, a detected data collection and system determination module, a power-off execution module, and a sever database. The modular socket continuously receives power-off signals, and transmits the power-off signals to the detected data collection and system determination module for the determination of power-off, and the power-off execution module executes a power-off procedure accordingly. The detected data collection and system determination module includes a detected data collecting module and a power-off determining system module connected. The detected data collecting module has an optical identifying module and a connection status determining module connected. The power-off determining system module includes an unplug detecting and determining module, a poor contact determining module, a Bluetooth offline determining module, and a hardware disconnection determining module. The power-off execution module is connected to a system indicating completion of power-off.

The application relates to an optical imaging system, an image capturing device, a time-of-flight depth camera and an optical recognition device. The optical imaging system is used for infrared light imaging and sequentially comprises, along an optical axis from an object side to an image side, a lens with a positive focal length, wherein a near-axis region of an object side surface of the lens is convex, an image side surface is flat, and the object side surface of the lens is aspheric; and a glass substrate which is glued to the image side surface of the lens. The optical imaging system can be applied to infrared band imaging by reasonably adjusting the focal length, surface type and effective focal length of the lens, and a clear, bright and high-resolution image containing depth information of an object can be obtained. The optical imaging system can be fixed by only using one lens to abut against the glass substrate, so that the total length of the optical imaging system can be significantly reduced, the lens is miniaturized, and batch production is facilitated.

The invention belongs to the technical field of building waste resource utilization, and particularly relates to a modular combined type building waste classification recycling treatment system which comprises a feeding pretreatment module, a modular crushing module, a multi-stage sorting module, an intelligent detection module, an environment-friendly treatment module, a finished product storage module and an intelligent control center. Through modularized flexible configuration, all functional modules are detachably combined through standardized interfaces and can be flexibly recombined according to the processing scale (30-2000 tons / day), waste types and finished product requirements, building block type configuration is achieved, the equipment utilization rate is increased to 85% or above, processing scenes can be rapidly switched, and the processing efficiency is improved. Magnetic separation, winnowing, optical recognition and ballistic screening technologies are fused, a physical separation and intelligent recognition double-engine system is constructed, the magnetic metal recovery rate is larger than or equal to 98%, the plastic and wood separation purity is larger than or equal to 99.2%, the recycled aggregate particle size qualification rate is larger than or equal to 95%, and the comprehensive resource utilization rate is increased to 90% or above.

The present disclosure provides an optical recognition temperature detection module and a display device, which belong to the field of display technology. The optical recognition temperature detection module includes a substrate, including a photosensitive area and a virtual area; a photoelectric sensing structure, including a plurality of first pixel units and a plurality of second pixel units, the first pixel unit is located in the virtual area, including a first thin film transistor and a first photoelectric sensor, the second pixel unit is located in the photosensitive area, including a second thin film transistor and a second photoelectric sensor; a light shielding layer, the orthographic projection of the first pixel unit on the substrate is located within the orthographic projection of the light shielding layer on the substrate; a signal detection unit is connected to a signal sensing line, for detecting the current value of at least part of the first pixel unit, and converting the detected current value into a corresponding temperature response value of the first pixel unit; the current value of the first pixel unit is positively correlated with the temperature of the first pixel unit. The present disclosure integrates the image acquisition function and the temperature detection function to reduce the module volume.

The utility model provides a calibration device for an oral treatment instrument. The calibration device comprises a calibration surface plate, a plug-in assembly and a mounting bolt, the fixed plane plate is hollowed out to form a calibration supporting belt, a supporting circular ring is formed in the center of the calibration supporting belt, and a plurality of optical identification pieces are arranged on the calibration supporting belt. The inserting assembly comprises a fixed sleeve and an inserting long rod, and an internal thread through hole is formed in the end, away from the inserting long rod, of the fixed sleeve; the mounting bolt comprises a driving nut and a connecting threaded rod, and a hexagonal concave part is formed in the center of the top surface of the driving nut; the connecting threaded rod penetrates through the supporting circular ring and then is in threaded connection with the inner threaded through hole in the fixing sleeve, and the driving nut abuts against and is fixed to the supporting circular ring. According to the binocular navigator, the calibration supporting belt is formed on the calibration surface plate in a hollowed-out mode, the calibration supporting belt of the annular structure is used for providing a large enough image collection area, it is ensured that the binocular navigator can efficiently and stably collect images, meanwhile, the hollow structure can reduce the mass to a great extent, and operation convenience is improved.

The invention discloses a metering feeding machine discharging speed control method and system based on optical recognition, and relates to the technical field of discharging control, and the method comprises the steps that material weight information is collected according to a weighing sensor, and material contour data is collected according to a line laser contour sensor; state judgment is carried out according to a state judgment assembly embedded in the controller, and instantaneous outflow weight calculation based on the material weight information and the material contour information in the state mode is executed; and a speed control signal based on the instantaneous outflow weight is generated according to a flow judgment assembly embedded in the controller, and the feeding speed of the spiral feeding device is controlled. The technical problems that in the prior art, a weighing sensor cannot accurately measure the instantaneous outflow weight in the material supplementing state, and the control precision is unstable are solved, and the technical effect of improving the control precision and stability of the discharging speed is achieved.

The invention discloses a matte golden medical suture needle, and relates to the technical field of medical suture needles. Comprising a needle body, a needle head and a needle tail, the needle body is provided with a flat body, the needle tail is provided with a thread hole, and the needle head is provided with a sharp cone; the needle is characterized in that the needle body, the needle head and the needle tail are all wrapped by a matte golden coating; and the total thickness of the matte golden plating layer is 30-75 [mu] m. According to the medical suturing needle with the matte golden plating layer, the stainless steel medical suturing needle is subjected to hot dipping through the Zn-Ti-Ni plating solution, so that the stainless steel suturing needle is provided with the matte golden plating layer, the suturing needle is more easily recognized by a medical optical recognition system, and the visual fatigue of doctors is reduced.

The invention discloses an intelligent identification metering method and an automatic calibration method for multi-source signal fusion of optical identification and a vibration probe. An automatic charging device, a stirring barrel, an environmental noise simulation device, a test pipeline, the vibration probe, an optical sensor, a data acquisition instrument, an upper computer and a slurry pump are included. The automatic charging device is installed in front of the stirring barrel, materials can conveniently enter the system, the environment noise simulation device simulates environment vibration, the probe is placed in the testing pipeline and transmits data to the upper computer through the data acquisition instrument, and the slurry pump is connected between the stirring barrel and the testing pipeline. The electromagnetic flowmeter solves the limitation of a traditional electromagnetic flowmeter, and is suitable for complex working conditions in the fields of mining industry, metallurgy and the like.