89 results about "Optical identification" patented technology

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 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 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 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.

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 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 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 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 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.

The present invention relates to a method for calibrating mobile terminals of the same model equipped with a camera used in a non-contact optical recognition process, characterized in that it comprises the following steps: - obtaining a first plurality of subject images captured by terminals of the same terminal model, each image being associated with a focus value used during capture; - for each image, determining a subject resolution in the image from the known size of the subject and the subject size in pixels in the image; - estimating a first relationship between the focus value and the subject resolution in the image by regression on a set of points, each point corresponding to the pair focus value and subject resolution in the image for a given image; - transmitting the first estimated relationship to the terminals of the same model. [Fig. 3]

The application discloses a time watermark extraction method and device based on picture optical identification, in which an operation and maintenance personnel submits an equipment operation and maintenance clock-in picture and current latitude and longitude position information through a terminal. After being acquired by a work order system, the corresponding pre-stored equipment latitude and longitude position information is called, the actual distance between the two is calculated and compared with a set threshold value; if the distance is smaller than the threshold value, the picture is determined to be valid to enter a subsequent step, otherwise, the picture is determined to be invalid and a re-submission instruction is sent to the terminal. Through an open source large model, text information is extracted from the valid picture by optical identification, compared with a preset time format regular expression, and a time text segment existing in the comparison is intercepted, otherwise, the extraction is re-identified; the time segment is converted into a standard time object according to a set format, and a manually filled work order completion time in the work order system is replaced, so that automatic correction is realized. The application solves the problems of low efficiency and easy error of manual identification of the picture time watermark, and lack of a picture authenticity verification method.

The present invention relates to a method for calibrating mobile terminals of the same model equipped with a camera used in a contactless optical recognition method comprising the following steps of:obtaining images of subjects captured by terminals of the same terminal model, with each image being associated with a focus value used when capturing;determining, for each image, a resolution of the subject in the image based on the known size of the subject and the pixel size of the subject in the image;estimating a relationship between the focus value and the resolution of the subject in the image by regression over a set of points, with each point corresponding to the focus value and resolution pair of the subject in the image for an obtained image;transmitting said relationship to the terminals of the same model.

The invention discloses an escalator safety protection device based on intelligent optical perception, belongs to the technical field of escalator safety protection, and solves the problems that an existing escalator does not have intelligent crowd screening control, cannot recognize individual riding of infants and does not have real-time anti-falling protection. The device comprises a blocking device and an infrared induction device at an entrance, and optical recognition early warning devices and lateral anti-falling devices on the two sides of the escalator. An optical recognition early warning device serves as a core, an infrared induction probe is combined for preposed height monitoring, the independent sitting state of an infant is accurately recognized, a blocking device is linked to achieve entrance mechanical blocking, meanwhile, a magnetic control quick release mechanism is triggered to drive a self-folding type protective net to be unfolded, and lateral anti-falling protection is formed. And the tension sensing module can monitor the stress of the protective net and realize intelligent positioning. The device realizes infrared and optical dual identification and blocking and protection linkage protection, is fast in action response and accurate in identification, greatly improves the safety of the escalator, and is adaptive to various public scenes.

The application provides a silver-gray electromagnetic shielding copper foil and a preparation method thereof. The silver-gray electromagnetic shielding copper foil comprises the following steps: providing a copper foil to be treated; sequentially performing surface oil removal and acid solution cleaning on the copper foil to be treated to obtain a treated copper foil; providing a blackening treatment solution; immersing the treated copper foil into the blackening treatment solution for blackening treatment to obtain a blackened copper foil; placing the blackened copper foil into a metal plating solution for surface electroplating treatment to electroplate a silver-gray magnetic shielding alloy layer on the surface of the blackened copper foil to obtain an electroplated copper foil; and performing anti-oxidation treatment on the electroplated copper foil to form a protective film on the surface of the electroplated copper foil to obtain the silver-gray electromagnetic shielding copper foil. The silver-gray electromagnetic shielding copper foil prepared by the application has a unique silver-gray appearance on one side or both sides, and has good intermodulation performance and shielding performance, thereby meeting the appearance requirements of an automatic assembly line optical recognition positioning system and the electromagnetic shielding performance requirements of an electronic device.

The application discloses a voting system and method for protecting user privacy, and the system comprises: a decision unit, which is used for generating voting information corresponding to a current voting activity, and sending the voting information to a voting information display device; the voting information display device, which is used for generating a first information code capable of being recognized by an optical device according to the voting information; a voting device, which is used for obtaining the voting information by scanning the first information code, determining voting result information corresponding to the voting information, and generating a second information code capable of being recognized by the optical device according to the voting result information; and a voting result collection device, which is used for obtaining the voting result information by scanning the second information code, and sending the voting result information to the decision unit. Through the voting information display device and the voting result collection device, the application realizes the physical isolation of the voting device and the decision unit by using optical recognition technology, and the information transmission between the voting device and the decision unit, so that the user privacy is effectively protected.

The application discloses a kind of based on knowledge base's OCR error correction method, device and storage medium, it is related to computer vision and image text recognition technical field.The based on knowledge base's OCR error correction method includes the following steps: according to the object of optical character recognition application, constructs knowledge base R;Text picture is identified using optical character recognition technology, constructs character matrix P;The string of first row in character matrix P is tokenized;The tokenization obtained is matched with knowledge base R in turn, if tokenization is in knowledge base R, then it is correct, and no error correction is needed;If tokenization is not in knowledge base R, then tokenization is replaced according to the word in knowledge base R, when new word appears in knowledge base R, then error correction is completed.The application uses glyph search in the process of optical character recognition result, reaches more effectively and reliably to optical character recognition result is corrected, solves the problem that matching result accuracy is low and unreliable.

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 captured using sensor data to identify relevant objects (5, 6), and the vehicle's surroundings are captured to generate environmental images (7). Based on the sensor data and the environmental images (7), the relevant objects (5, 6) are optically identified and classified into known relevant objects (5) and unknown relevant objects (6). A degree of traversability (9) is assigned to the known relevant objects (5). The unknown relevant objects (6) are further processed by inputting their image into a processing unit (9) configured with the degree of traversability (9) of objects. The processing unit (9) identifies the unknown relevant objects (6) and assigns them a degree of traversability (9).This degree of traversability (9) for the unknown relevant objects (6) is provided to a control unit, and the vehicle's driving operation is controlled by the control unit using the degree of traversability (9) of all relevant objects (5, 6).

The application discloses an aerosol generating article and a device used in cooperation with the aerosol generating article. The aerosol generating article is provided with a trigger part. The aerosol generating device comprises a recognition unit. The recognition unit comprises a moving assembly movable between a first position and a second position and a recognition element. The recognition element can recognize whether the moving assembly is in the first position or in the second position. When the aerosol generating article is received in the aerosol generating device, the trigger part makes the moving assembly in a preset position. At this time, the recognition element outputs a recognition signal to make the aerosol generating device heat the aerosol generating article. The preset position is the first position or the second position. Compared with the existing optical recognition or handheld external device recognition, the scheme adopts mechanical movement to trigger the recognition element, does not involve complicated visual comparison or external equipment, is simple to recognize, and reduces the cost of the device.

The invention discloses a track magnetic sheet dynamic map system based on an intelligent background board, and the system comprises a track magnetic sheet which is disposed on the intelligent background board, the track magnetic sheet is provided with an OID code value, and the OID code value comprises a coordinate code, an instruction type, and a direction check code; and the robot obtains the OID code values on the magnetic sheets through the OID optical identification module and obtains an instruction by reading one or more instruction magnetic sheets printed with the OID code values. Compared with the prior art, the problems that an existing intelligent education robot cannot be corrected in time when deflection occurs in the operation process, and tracks cannot be freely spliced are solved, the intelligent background plate serves as an information medium between the robot and the magnetic sheets, and the intelligent background plate reads information of the magnetic sheets and transmits the information to the robot; and the robot can identify map changes in real time.

The invention relates to the technical field of optical identification. The invention discloses a Mark point optical identification structure, which comprises a jig, and is characterized in that the jig is provided with at least one identification point position; the identification point position comprises an identification point position main body, two symmetrically arranged grooves are formed in the identification point position main body, the identification point position main body is of a circular structure, and the identification point position main body is arranged in an inward concave shape relative to the surface of the jig; the groove comprises a first arc-shaped structure, linear structures and second arc-shaped structures, the linear structures are arranged at the two ends of the first arc-shaped structure, and the second arc-shaped structure is arranged at the end, away from the first arc-shaped structure, of each linear structure. The invention further discloses a manufacturing method of the Mark point optical recognition structure. According to the invention, the XY coordinate and rotation angle identification can be completed by a single identification point, the structure size is greatly reduced, and the tool limit space scene can be flexibly adapted.