236 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.

Provided is a device and a corresponding method for optical recognition and analysis, in particular of bodies, body parts and / or joints of a person, surfaces and objects in a 3-dimensional movement area in real time, with one or more cameras with fisheye lens, which are arranged at a distance and position from the movement area specifically selected for the application, for determining 2D positions of the bodies, body parts and / or joints, surfaces and objects by means of camera images, at least one data processing unit being provided, with devices for calculating neural networks and artificial intelligence in real time, for applying several AIs on captured camera images, and with at least one interface for one or more audio / video feedback units for outputting data or audio / video feedback on the analysis results by means of the audio / video feedback unit.

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.

A vehicle includes an eye tracker for tracking a gaze of an occupant of the vehicle. The vehicle has a processor to use gaze direction data to determine if the occupant is gazing at a nearby vehicle sensed by a vehicle-detecting sensor, e.g. a camera, LIDAR or RADAR. The processor determines an identification of the nearby vehicle by optically recognizing characters of a license plate of the nearby vehicle using the camera, or by detecting an identification beacon broadcast by the nearby vehicle using a short-range vehicle-to-vehicle transceiver. The vehicle includes a radiofrequency cellular transceiver to transmit a message to a server to look up the identification of the vehicle and to receive a communication-availability reply message indicating either a communication availability or communication unavailability of the nearby vehicle. The radiofrequency cellular transceiver or the short-range vehicle-to-vehicle transceiver initiates a voice communication with the nearby vehicle.

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.

A system and method for determining a vehicle and associating the vehicle with a gaming platform comprising a computing device having a camera to capture image data of a vehicle. An optical recognition module and / or a classification module are / is configured to receive the image data of the vehicle, determine a plurality of vehicle specifications, classify the image data and / or the vehicle specifications, and associate the plurality of vehicle specifications with a virtual vehicle on a gaming platform provided by a gaming module. The system and method permit a plurality of users to compete via racing the virtual vehicles.

The invention discloses a fingerprint identification method and system based on an optical identification induction technology, and relates to the technical field of fingerprint identification, and the method comprises the steps: collecting a fingerprint surface texture image through the total reflection principle of light; converting the collected fingerprint surface texture image into a fingerprint surface texture grayscale image; determining the main direction and frequency of the fingerprint streaklines, and separating the adhered fingerprint streaklines; smoothing stray point information in the fingerprint image by using an image filtering algorithm; the fluctuation characteristics of the fingerprints are further highlighted by using morphological expansion and corrosion operation; extracting morphological features of fingerprints and local features of streaklines from the preprocessed fingerprint image; and outputting the user information corresponding to the fingerprints in the database higher than the preset similarity value. By arranging the image acquisition module, the image processing module, the feature extraction module and the similarity comparison module, the interference of environmental factors is reduced, the fingerprint image quality is ensured, the fingerprint identification time is shortened, and the real-time performance of the system is improved.

The present invention provides an article identification apparatus. The apparatus includes spectrometric identification means, optical identification means, at least one light source, computing means and notification means. The computing means, in communication with the spectrometric identification means and the optical identification means, are arranged to resolve, analyse and combine data acquired by the spectrometric identification means and the optical identification means, in use, and identify, based on the acquired data, the material composition and other such features of an article provided for identification, and communicate the same to the notification means.

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.

The invention relates to the technical field of material guiding, in particular to an electronic control material guiding device for a smart storehouse, which comprises a lateral assembly frame mounted on the outer side surface of a main container and transverse guide rails mounted at the upper and lower ends of the outer walls of the front and back surfaces of the main container. According to the electronic control material guiding device for the intelligent storehouse, goods only need to be placed on the lateral assembling frame, then optical recognition is conducted through the optical recognition module, material guiding is automatically controlled, the operation difficulty is greatly reduced, and the material guiding efficiency is improved; by adopting the electric control type overturning guide plate with the overturning type structure design, the occupied external space at idle time can be greatly reduced, and meanwhile, the safety and durability of the optical identification module are improved; the electric control type lifting material guide boxes are movably assembled on the front face and the back face of the main container through the transverse guide rails, feeding or discharging operation can be conducted at the same time according to needs, and operability and material guide efficiency are greatly improved.

The present invention relates to optical marker tracking of medical devices. In order to provide optical tracking suitable for an increased variety of equipment and devices, a marker (10) for optical tracking of medical devices is provided. The marker comprises a pattern (12) with a plurality of at least a first type (14) and a second type (16) of optically identifiable segments. The optically identifiable segments of the first type have a first optical characteristic, and the optically identifiable segments of the second type have a second optical characteristic. The first optical characteristic and the second optical characteristic are distinctively different from each other for a designated optical camera-based tracking device. The segments are provided as quadrilaterals (18) arranged in a two-dimensionally alternating pattern (20). The quadrilaterals each comprise two first opposite sides (22) that are parallel two each other and two second opposite sides (24) that are non-parallel to each other. The first opposite sides of all of the quadrilaterals are arranged in an aligned manner defining at least three parallel primary grid-lines (28).

The invention provides a silver gray electromagnetic shielding copper foil and a preparation method thereof, and the preparation method of the silver gray electromagnetic shielding copper foil comprises the following steps: providing a to-be-treated copper foil, and sequentially carrying out surface oil removal and acid solution cleaning processes on the to-be-treated copper foil to obtain a treated copper foil; providing a blackening treatment solution, and soaking the treated copper foil in the blackening treatment solution for blackening treatment to obtain a blackened copper foil; the blackened copper foil is put into a metal plating solution to be subjected to surface electroplating treatment, so that a silver gray magnetic shielding alloy layer is electroplated on the surface of the blackened copper foil, and an electroplated copper foil is obtained; the electroplating copper foil is subjected to anti-oxidation treatment, so that a protective film is formed on the surface of the electroplating copper foil, and the silver gray electromagnetic shielding copper foil is obtained.The silver gray electromagnetic shielding copper foil prepared through the method has the unique silver gray appearance on one face or two faces, meanwhile, the passive intermodulation performance is good, and the shielding performance is good; and the requirements of an automatic assembly line optical identification positioning system on the appearance and electronic equipment on the electromagnetic shielding performance are met.

The present invention provides a system and method for generating and identifying identification codes for aluminum alloy formwork for construction. By using the side ribs of the aluminum alloy formwork as the optical recognition target and setting identification holes on the side ribs, encoding can be performed based on the positions of the respective identification holes. As a result, during subsequent use, it can adapt to high-frequency impact, high-temperature, and corrosive environments. The identification holes will not fall off, have little impact on deformation, are not easily worn or corroded, and have good adaptability to the maintenance of the aluminum alloy formwork. Moreover, by combining weight information and optical information for encoding, the encoding capacity can be significantly increased, facilitating the management of the aluminum alloy formwork. At the same time, by using the opened identification holes as the basis for encoding, it has good fault tolerance and can adapt to surface wear and a certain degree of deformation of the aluminum alloy formwork. Finally, the present invention is inexpensive, safer, more reliable, and has lower costs.

The utility model provides a multifunctional planting mobile phone calibration device, which comprises a supporting bottom plate, a calibration panel and an optical identification mark image, and is characterized in that the supporting bottom plate is inwards sunken to form a fixed sunken part; the calibration panel is a glass panel, and the calibration panel is nested in the fixed concave part; a plurality of optical identification mark images are arranged, and the plurality of optical identification mark images are arranged on the calibration panel; the conical calibration assembly, the outer diameter calibration assembly, the ball head calibration assembly and the drill bit length calibration assembly are formed on the calibration panel. Compared with the prior art, the technical scheme has the beneficial effects that the planting mobile phone can be comprehensively calibrated based on the conical calibration assembly, the outer diameter calibration assembly, the ball head calibration assembly, the axial calibration assembly and the drill bit length calibration assembly, various calibration requirements are met through a simple structure, and the planting mobile phone calibration device has the advantages of being scientific in structure, complete in function and the like.

The invention relates to the technical field of PCB identification, in particular to an optical identification point manufacturing method of a PCB and an optical point structure, and the method comprises the following steps: S1, adding a process edge on a long edge of the PCB, and arranging the optical point structure on the process edge; s2, melting the tin bar in a tin cylinder through high temperature to form soldering tin alloy slurry of copper, tin and nickel in a proper proportion; and S3, the PCB is immersed in a tin furnace for a period of time, relevant parameters of a tin spraying machine and an air knife are adjusted to a proper range, and hot air leveling is conducted on the PCB. And S4, the PCB is taken out, whether the tin spraying thickness meets the requirement or not is checked, and if not, the air pressure of the tin spraying machine is adjusted. And S5, fixing the PCB which is processed and meets the requirement, and adjusting a lens to identify the PCB. Compared with the prior art, the copper optical points on the surface of the PCB are exposed through the solder resist windowing of the point A, the color of the base material below the point A is exposed, identification is convenient, the point B adopts the NPTH hole, the solder resist windowing is also used, and the point A and the point B control the tin thickness meeting the requirement through the tin spraying process.

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.

The invention relates to the technical field of coal mine early warning, in particular to a dual-prevention inspection method for coal mine tunnel risks. The inspection device accesses a first sensor network in a first channel, and acquires and awakens a sensor set included in the first sensor network; the gas sensor responds to the awakening operation and measures the gas content of the environment, the sensor is provided with an indication light source, and the inspection device determines the state of the gas sensor based on detection of the indication light source; determining a to-be-inspected sensor sequence, wherein the to-be-inspected sensor sequence comprises gas sensors which do not pass optical identification in the roadway; the cruise path is determined according to the arrangement positions of the sensors, and the advancing speed is determined according to the interval between adjacent sensors; the inspection device receives the gas data collected by the sensor in a direct transmission mode, and analyzes the gas standard exceeding risk based on the received sensor data. Therefore, the problems of low inspection efficiency, high labor cost and inconvenience in information transmission in the mine are solved.

Examples of the present disclosure relate to the optical identification of telecommunications equipment. In examples, a user interacts with an application to capture image data relating to a device according to instructions presented to the user. The application may further generate metadata, such as user responses to one or more questions. The image data and / or metadata are evaluated using a machine learning model to generate an equipment classification for devices pictured therein. The data may also be used to generate an equipment configuration for the device, as well as an operational state (e.g., based on one or more indicators present on the device, log data, etc.). Accordingly, such information may be used to update a pre-existing inventory record for the device, or generate a new inventory record. In other examples, such information is used to generate one or more predicted issues and associated actions to troubleshoot the device.

A compact card handling device for use in casinos possesses a card intake 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. Unexpected cards are immediately discharged to a dedicated portal for operator review. In the commonly encountered case of flipped cards, the operator may correct the orientation and re-insert a mis-oriented card into the device without interrupting the ongoing shuffling operation.

The present invention relates to a shopping cart comprising a movable base, a basket, two or more cameras, one or more barcode scanners, two or more load cells and / or two or more weight sensors and a processing module; wherein the shopping cart comprises an inertial measurement unit (IMU), and wherein the two or more cameras are positioned and / or configured to define a field of view that is substantially above the basket of the shopping cart and / or wherein the load cells, weight sensors, or a combination thereof are positioned in the vicinity of the movable base. The invention also relates to a method for identifying a product to be purchased in a shopping cart substantially by means of two or more cameras and a method for identifying an item to be purchased in a shopping cart substantially by means of one or more barcode scanners.

The invention discloses europium-doped hydrotalcite for enhancing PVC (polyvinyl chloride) light transmission and a preparation method and application thereof, and belongs to the technical field of high polymer materials and inorganic nanomaterials. Trivalent europium (Eu < 3 + >) is doped into a lattice structure of LDHs (layered double hydroxides) through europium-doped coprecipitation, surface silanization and ultrasonic dispersion technologies; refractive index matching (1.50-1.53) is achieved, and light scattering is reduced. The particle size of the optimized hydrotalcite is controlled to be 50-150 nm, so that the light transmittance of the PVC composite film reaches 93% or above, and meanwhile, the PVC composite film has the characteristic of red fluorescence. Compared with the prior art, the material has the advantages that the transparency is improved, the heat-resistant stability and aging resistance of PVC are remarkably improved, the material is suitable for the fields of transparent films, daylighting panels, optical marks and the like, and the hydrotalcite nano material provided by the invention has the dual effects of refractive index matching and conversion from ultraviolet light to visible light; the light transmittance and the ageing resistance of the PVC material can be obviously improved at the same time.

The invention provides a beef freshness detection method and detection system, and relates to the technical field of optical identification detection, the detection system comprises a sample detection device and a detection platform, the sample detection device carries a visual identification assembly, a cleaning mechanism, a locking extension assembly and a lifting mechanism, a light source control system, a database, a feature extraction module and a prediction analysis module are further carried in the visual recognition assembly, a model is established in the detection platform, and side plates are welded to the two sides of the sample detection equipment. According to the method, the water content of the surface layers of different samples is highly consistent, the interference of wrinkles on the surface of the to-be-detected beef sample on the final result in the image acquisition process is avoided, the detection accuracy is improved, the pretreatment difficulty of the beef sample in the early stage is reduced, and the whole detection process is highly standardized and unified.

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.

The invention relates to the technical field of artificial intelligence, and discloses an advertisement design drawing detection method and device based on machine vision, and the method comprises the steps: collecting an original image of an advertisement design drawing, carrying out the image enhancement of the original image, and obtaining an enhanced image; generating image features according to the generated gradient intensity and color channel histogram; feature scores of the image features are calculated one by one, feature weights corresponding to the image features are adaptively updated according to the feature scores, and updated weights are obtained; adjusting the enhanced image according to the update weight, and inputting the adjusted enhanced image into a preset classification model to obtain an image category of the adjusted enhanced image; performing optical identification on the original image, and performing compliance detection on the enhanced image according to an identification result and an image category; and generating a compliance report of the advertisement design drawing according to a detection result, and further correcting the advertisement design drawing. According to the invention, the efficiency of advertisement design drawing detection based on machine vision can be improved.

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 invention provides a satellite truss part augmented reality auxiliary marking system and method, and the system comprises an optical recognition device which is used for carrying out the optical imaging of a label of a truss part, and obtaining a label image; the stereoscopic vision device is used for carrying out laser scanning and multi-view imaging on the truss parts to obtain part images and point clouds; the projection guiding device is used for sequentially projecting guiding information in the truss part marking process to a designated area of the workbench; and the augmented reality auxiliary marking control system is used for controlling and coordinating the optical recognition device, the stereoscopic vision device and the projection guiding device, integrating data information of all the devices and guiding an operator to complete marking of the assembly corresponding relation marks on the truss parts. According to the invention, the truss part can be automatically and accurately identified, an operator is guided to correctly complete assembly corresponding relation marking on the part, the quality and the development efficiency are improved, and the dependence on the technical level of the operator is reduced.