501 results about "Code reading" patented technology

The invention discloses a code reader distorted image correcting and decoding method and system based on machine vision. The method comprises the following steps: acquiring an original image containing a bar code through image acquisition equipment, preprocessing the original image, and extracting feature parameters; image distortion types including radial distortion and perspective distortion are judged according to the extracted features, and distortion correction is carried out by adopting a corresponding correction model; performing quality evaluation on the corrected image, and when a quality threshold value is met, repositioning a bar code area and performing decoding processing; the method can effectively solve the problem of image distortion caused by inherent defects of an optical system and a shooting angle in the bar code reading process, remarkably improves the accuracy and success rate of bar code recognition, and is suitable for bar code recognition application in the fields of industrial automation, logistics management and the like.

The invention provides intelligent code reading equipment based on AI, and relates to the technical field of Internet. The equipment is provided with a shell which is made of an aluminum alloy material and is used for protecting internal vulnerable components; a light source module is arranged at the front end of the device and internally provided with multiple LED lamps with different wavelengths, and the illumination mode can be actively adjusted according to the actual environment requirement. A high-definition CMOS image sensor is used as an image acquisition module to complete image acquisition of a target area; the image processing module is integrated with a high-performance DSP chip, analyzes the original image acquired by the image acquisition module based on an AI algorithm, and outputs a decoding result; the environment sensor detects environment light information in real time and is used for optimizing light source brightness; the control module integrates the functions of each internal module, can command the brightness of the LED lamp according to environmental data, controls the image acquisition and processing process, and finally achieves the quick and accurate decoding of the identification code. According to the scheme, the equipment can intelligently adapt to environment change, and the image quality is improved, so that effective decoding is realized.

The utility model discloses glue type detecting and NG material discharging equipment which comprises a machine table, the machine table is provided with a feeding conveying module, a detecting conveying module, an NG material discharging conveying module, a discharging conveying module, a first X-Z-axis module, a second X-Z-axis module, a first Y-axis module and a second Y-axis module, the feeding conveying module can convey a material disc to the detecting conveying module, and the detecting conveying module can convey the material disc to the discharging conveying module. The detecting and conveying module can convey the material trays to the NG material discharging and conveying module, and the NG material discharging and conveying module can convey the material trays to the discharging and conveying module. A code reading assembly is arranged on the machine table; the detection device can detect the products on the charging tray; the NG material picking and supplementing device can be used for placing the NG material on the material tray into the NG material tray and can be used for placing the OK material on the OK material tray into the material tray; the device can automatically detect the glue type of a product on the charging tray, and can replace an NG material detected on the charging tray with an OK material, so that the charging tray is in a full material state during discharging, and the detection efficiency is greatly improved.

A method for greatly reducing data storage requirements of autonomous robots capable of product inventory is described. Instead using high resolution images for label identification and position tracking, a lower resolution map can be searched. Human or machines can identify position of labels, and via a reverse mapping, the corresponding position of a label on the high resolution image can be identified. Except for those portions of the high resolution image showing a label, most of the high resolution image can be discarded. Further processing on the limited image subset can be used to read the labels.

A refrigerator appliance is provided, including a dispenser assembly positioned at a door and having a recess extending into the door. A scanner assembly includes a scanner device and a targeting device positioned at an angle toward the recess and behind the external wall. A controller is communicatively coupled to the scanner device and the targeting device. The controller is configured to execute instructions that causes the refrigerator appliance to perform operations. The operations include commanding, at the scanner assembly, measuring fidelity of scan data reflected from the object at the recess; and commanding, at a lighting component or the targeting device at the scanner assembly, provision of light toward or from the recess after a pre-determined period of commanding measurement of the amount and pattern of light at the scanner device.

To provide a card chuting apparatus capable of preventing fraud.SOLUTION: A card chuting apparatus (4) includes: a card guide section (7) that guides cards (1) drawn one by one from a card storage section (5) onto a game table (6); a code reading section (8) that reads a code (2) representing the numerals (number, rank) of the card (1) from the card (1) when the card (1) is drawn from the card storage section (5); an authenticity determination section (9) that determines the authenticity of the card from information regarding the authenticity of the card; a win / lose determination section (10) that determines the win / lose of the card game on the basis of the numbers of cards (1) read in sequence by the code reading section (8); and an output section (11) that outputs the determination result of the win / lose determination section (10). The card guide section (7) is provided with card entry / exit restriction sections (30), (40) that restrict the entry / exit of the card (1) from the card storage section (5).SELECTED DRAWING: Figure 1

Systems and methods are disclosed for driver assistance. In one example a method for an advanced driver alert system for a vehicle comprises monitoring, via a user-facing camera, facial movement of a user over time. The method includes determining a plurality of facial movement metrics based on the facial movement over an adjustable time window, transforming the plurality of facial movement metrics into a machine readable representation of the adjustable time window, and determining, via a code reading model, one or more user requests based on the machine readable representation of the facial movement metrics. The method includes executing one or more user assistance operations based on the determined user requests.

The invention discloses edge detection equipment with an alignment function, and belongs to the field of semiconductor manufacturing equipment.The equipment comprises an edge detection module, a straightening mechanism of the edge detection module comprises a suction cup, a rotating motor, a two-dimensional motion module and an edge searching camera, the two-dimensional motion module is composed of an X-axis guide rail, a Y-axis guide rail, a sliding plate and a motor, and wafer translation and rotating alignment are achieved; the optical assembly comprises a camera, a prism assembly, a transverse movement module and a camera fine adjustment mechanism, the prism assembly captures light rays at the upper edge and the lower edge of a wafer through an upper prism and a lower prism, and the light rays are integrated through a 90-degree turning prism to form a composite image containing multi-part information; wafer alignment, edge detection and identification code reading can be completed synchronously, the detection precision and efficiency are improved, and the problems that in an alignment and detection separation mode in existing semiconductor manufacturing, independent detection equipment needs to be additionally configured, the wafer processing time is long, damage is likely to happen after multiple times of transmission, and the yield is low are solved.

The invention discloses a wafer detection device and method, the device comprises a base, a damping assembly and a device main body which are stacked in sequence, the device main body comprises a mounting frame, and a jacking assembly, a displacement rotation assembly, a code reading and edge searching assembly and a thickness measurement assembly which are arranged on the mounting frame; the displacement rotating assembly comprises a Y-axis movement mechanism and a rotating mechanism arranged on the Y-axis movement mechanism in a sliding mode, the Y-axis movement mechanism is provided with a first station and a second station, and the rotating mechanism can be switched between the two stations; the jacking assembly comprises a jacking driving mechanism of a first station and a material receiving disc, and the jacking driving mechanism drives the material receiving disc to ascend and descend along the Z axis and rotate around the theta axis. The center of the swing mechanism is provided with a bearing port for the receiving disc to pass through, and a bearing sucker group for bearing wafers is arranged in the port; the code reading edge searching assembly and the thickness measuring assembly are oppositely arranged on the upper side and the lower side of the first station and the second station respectively. The device integrates wafer edge searching, code reading and measuring steps, the automation degree of wafer detection is improved, and the detection efficiency and precision are improved.

The utility model provides full-automatic coding equipment for optical lenses, which comprises a working machine table, a feeding warehouse, a discharging warehouse, a coding machine, a placing tool, a code reader and a clamping jaw moving mechanism, an X-axis material pulling mechanism pulls out a material disc in the feeding warehouse, the clamping jaw moving mechanism is used for clamping the optical lenses to be coded on the material disc, and the optical lenses are correspondingly placed on the placing tool. A coding machine is used for coding; after code printing is completed, a clamping jaw moving mechanism is used for clamping the optical lens subjected to code printing on the placing tool, and the optical lens is correspondingly moved to the transverse right opposite position of the code reader for code reading; if the product is a qualified product, the product is correspondingly placed on a charging tray of the X-axis discharging mechanism; and if the products are defective products, the products are correspondingly placed on a defective product placing tray of the X-axis discharging mechanism. According to the utility model, the whole operation is simple and convenient, the automation degree is relatively high, the labor intensity of workers is reduced, the working efficiency is effectively improved, the time loss is saved, the personnel replacement technology is cultivated, and the labor cost is reduced.

The invention discloses an automatic parameter adjustment method and device for a code reader and a storage medium, and the method comprises the steps: obtaining a plurality of candidate brightness values, adjusting image collection parameters under all types of light supplement lamps based on the plurality of candidate brightness values, carrying out the collection of a barcode image, obtaining a candidate barcode image sequence, and carrying out the collection of the barcode image according to the candidate barcode image sequence. Decoding each candidate bar code image, respectively calculating a decoding score of each candidate bar code image to obtain a decoding score sequence, determining light supplement lamps of which the decoding score sequences meet a preset condition to obtain a target light supplement lamp, and determining a target brightness value meeting the preset condition in the decoding score sequence corresponding to the target light supplement lamp, the image acquisition parameters corresponding to the target light supplement lamp and the target brightness value serve as the target code reading parameters, automatic adjustment of code reader parameters under multiple types of light supplement lamps can be achieved, the optimal code reader parameters can be quickly and accurately found out, and the deployment and debugging efficiency of code readers is improved.

A code reader includes: a plurality of illumination units that irradiate the workpiece with illumination light; an imaging unit that includes a Scheimpflug optical system and generates and outputs a code image; and a control unit that executes decoding processing on the code image. The Scheimpflug optical system is used to form a focal plane extending from a near side to a far side of the imaging unit and make light distribution angles of the plurality of illumination units different or make positions where optical axes of the plurality of illumination units intersect the focal plane different in a direction in which the focal plane extends to suppress insufficiency of illuminance on the far side with respect to the near side of the focal plane or to make illuminance on the far side equal to or higher than illuminance on the near side.

The invention discloses a double-station FPC (flexible printed circuit) light bar soldering flux seepage detection machine which comprises a detection machine body, the detection machine body comprises a lower rack and an upper rack, and the upper rack is assembled at the upper end of the lower rack; feeding movement modules are assembled at the positions, located on the left side and the right side of the interior of the upper rack, of the upper end of the lower rack, visual detection systems are assembled at the driving ends of the feeding movement modules, and safety optical gratings are assembled at the positions, located on the visual detection systems, of the feeding movement modules; a manual code reading station is assembled at the position, located on the feeding movement module, of the side wall of the lower rack, a code scanner is assembled at the manual code reading station, and an adsorption jig is assembled at the feeding movement module. A camera support is assembled at the driving end of the feeding movement module, a fixed carrier block is assembled on the camera support, and a lens shaft sleeve is assembled on the side wall of the fixed carrier block. According to the double-station FPC light bar soldering flux seepage detection machine, double stations are arranged on the detection machine, so that the detection efficiency of FPC light bar soldering flux seepage can be improved.

The invention relates to an industrial code reading control method and a high-speed response system based on device collaborative optimization, and the method comprises the steps: synchronizing image data and three-dimensional coordinates of a plurality of visual devices, and generating a multi-view image sequence with a unified timestamp; extracting two-dimensional bounding box coordinates of the target object to establish a motion trail prediction model; constructing a space projection relation by combining the three-dimensional coordinates of the equipment; fusing the multi-view data to solve the three-dimensional position and attitude of the target object; calculating illumination, object distance and motion blur coefficients in real time based on pose parameters, and dynamically adjusting exposure time, gain and focal length of each device; acquiring an image by using the adjusted equipment, detecting a code system area, and performing geometric correction to generate a standardized image; and outputting a code reading result after decoding. And through multi-device collaborative optimization and dynamic parameter adjustment, the decoding success rate and efficiency under complex working conditions are remarkably improved.

An elevator device (1) is provided with: a car (3) that runs in a hoistway (2); a code tape (11) that is suspended from the hoistway (2); a code reading sensor (13) that reads a code described on the code tape (11); a code tape stretch detection section (20, 30, 40) that detects a stretch amount (S5) of the code tape (11); a reference mark (16) that is provided to the hoistway (2) and indicates a reference position of the car (3); a reference sensor (15) that is provided to the car (3) and detects the reference mark (16); and a control section (10) that, in a case where a condition based on the stretch amount (S5) is satisfied, moves the car (3) to the reference position based on a detection result of the reference sensor (15), reads position information (S4) of the car (3) as reference position information, calculates correction position information based on the reference position information, and controls the car (3) using the correction position information.

A refrigerator appliance is provided, including a cabinet forming a refrigeration compartment, a freezer compartment, or both. A door is attached to the cabinet, the door configured to selectively allow entry to the refrigeration compartment, the freezer compartment, or both. A dispenser assembly is positioned at the door, the dispenser assembly including a recess extending into the door. The dispenser assembly is configured to egress a fluid, ice, or both, toward the recess. A scanner assembly includes a scanner device. The scanner assembly is positioned behind an external wall of the dispenser assembly.

The utility model discloses a printed circuit board (PCB) two-dimensional code drilling, reading and steering all-in-one machine, which belongs to the technical field of PCB processing and comprises a rack, a drilling device is arranged in the middle of the rack, a PCB carrying device is arranged above the drilling device, a feeding end of the rack is provided with a PCB feeding and conveying device, a discharging end of the rack is provided with a PCB discharging and conveying device, and the PCB discharging and conveying device is connected with the PCB carrying device. The PCB feeding conveying device, the PCB carrying device, the code drilling device, the PCB discharging conveying device, the PCB steering device, the device for automatically replacing the paper tape and the aluminum tape and the code reading device are ingeniously combined, so that the PCB feeding conveying device, the PCB carrying device, the code drilling device, the PCB discharging conveying device, the PCB steering device, the device for automatically replacing the paper tape and the aluminum tape and the code reading device are arranged on the upper side edge of the PCB discharging conveying device, and the PCB turning device is arranged between the code drilling device and the PCB discharging conveying device. According to the utility model, the PCB is installed in the rack, integration of board feeding, carrying, drilling processing, board discharging blocking, code reading verification, centering and board discharging of the PCB is realized, the purchase cost is reduced, the energy consumption is reduced, the position space is saved, and the requirements of an automatic production line are met.

To provide a method that is different from conventional methods for displaying and reading identification codes such as bar-codes and QR codes, thereby contributing to expanding the range of use by increasing the amount of information that can be added to identification codes and the total number of identification codes.SOLUTION: Identification codes, conventionally displayed in monochrome (two colors), are displayed in full color (multicolor) with numbers and letters arranged, and these codes are read with a code reader using imaging elements that can distinguish colors and shapes. In addition, identification codes, conventionally displayed in two dimensions, are displayed in three dimensions and read with a code reader using laser light transmitting-receiving technology. These methods solve the problem.SELECTED DRAWING: None

The utility model relates to the technical field of PCB processing, and discloses a compact PCB process traceability code drilling and reading integrated device, which comprises a PCB drilling device, a PCB inlet conveying device and a PCB outlet conveying device, wherein the PCB inlet conveying device and the PCB outlet conveying device are arranged on one side of the PCB drilling device; pCBs to be subjected to code drilling are conveyed and positioned to a code drilling station by the PCB feeding conveying device and are subjected to code drilling by the PCB code drilling device; the printed circuit board (PCB) after being subjected to code drilling is conveyed to the PCB outlet conveying device by the PCB inlet conveying device, the PCB outlet conveying device is used for conveying and positioning the PCB after being subjected to code drilling to a code reading and checking station, and a code reading and checking device for performing code reading and checking on the PCB after being subjected to code drilling is arranged above the code reading and checking station; and the PCB which is subjected to code reading verification is conveyed to the next station by the PCB conveying device. According to the utility model, the whole processing process of centering feeding, conveying positioning, drilling processing, board discharging blocking, code reading verification and board discharging of the PCB can be compactly integrated in the same equipment for processing.

The invention relates to a differential control constant center distance turning realization method for a rail sport car, which comprises an X-axis direction rail, a curve, a Y-axis direction rail, a group motion structure I and a group motion structure II, the device comprises a positioning code ruler, a steel wire rope I, a steel wire rope II, a hanging hook head I, a hanging hook head II, a transfer tool hanger shackle I, a transfer tool hanger shackle II, a transfer tool hanger, a material, an electricity taking device I, an electricity taking device II, a code reading head, a track, an electrical control box and a weighing sensor, wherein the track consists of an X-axis direction track, a curve and a Y-axis direction track; and the grouped movement structure I and the grouped movement structure II are mounted on the track, so that the speeds and the positions of the two moving vehicles can be mutually interlocked and corrected, the center distance of the two vehicles in the same group is ensured to be constant, the deviation is controlled within a set range, and safety accidents such as pulling or squeezing of the center distance of the two vehicles are effectively prevented.

The invention relates to the technical field of intelligent manufacturing, in particular to a checking and rejecting device and method under the high-speed condition, and the device comprises a conveying belt, a code reading triggering photoelectric sensor, a depth camera, a code reader, a rejecting assembly, a rejecting detection photoelectric sensor, an encoder and a PLC. The accurate position of the bottle cap is obtained through the depth camera, and the code reader is controlled to be aligned with the bottle cap, so that the accuracy of two-dimensional code reading is ensured; the vibration sensor and the light sensor are introduced to detect the change of environment vibration and illumination intensity, and the sensitivity of the photoelectric sensor and the trigger delay of the rejecting device are dynamically adjusted through the PLC, so that high-precision two-dimensional code verification and accurate rejecting of unqualified products under a high-speed condition are realized, and the production efficiency and the product quality are remarkably improved.

A waste stream is analyzed and sorted to segregate different items for recycling. Certain features of the technology improve the accuracy with which waste stream items are diverted to collection repositories. Other features concern adaptation of neural networks in accordance with context information sensed from the waste. Still other features serve to automate and simplify maintenance of machine vision systems used in waste sorting. Yet other aspects of the technology concern marking 2D machine readable code data on items having complex surfaces (e.g., food containers with integral ribbing for structural strength or juice pooling), to mitigate issues that such surfaces can introduce in code reading. Still other aspects of the technology concern prioritizing certain blocks of conveyor belt imagery for analysis. Yet other aspects of the technology concern joint use of near infrared spectroscopy, artificial intelligence, digital watermarking, and / or other techniques, for waste sorting. A variety of further features and arrangements are also detailed.

The invention provides a method and system for self-adaptively reading a vehicle identification code, and relates to the field of intelligent traffic, the method comprises the following steps: acquiring multi-mode sensing data of a vehicle entering a target area, performing three-dimensional reconstruction from image data acquired from a plurality of visual angles through stereo matching, generating a stereo model of the target area, and obtaining a three-dimensional model of the target area; according to the multi-modal sensing data, constructing a spatial position and a form of a vehicle in a three-dimensional model, and determining an area where a vehicle identification code is located; according to the three-dimensional reconstructed stereoscopic model and the spatial position and form of the vehicle in the stereoscopic model, the optimal viewing angle for reading the vehicle identification code is analyzed, and the angle and distance of a camera are adaptively adjusted to capture a target image containing a vehicle identification code area; and carrying out character recognition on the extracted vehicle identification code area, carrying out encryption and evidence storage on successfully read vehicle identification code character information through a block chain, and generating a vehicle identification code reading record which cannot be tampered, so as to improve the recognition precision and efficiency.

This invention provides an information processing device, a payment application program, and an information processing method that enable speedy payment processing when a user performs a code-based payment using the MPM (Merchant Presented Mode) method. [Solution] The user terminal 10 is an information processing device used by a user who uses code payment, and includes a display unit 11, a detection unit 142 that detects a store code, which is used for code payment and contains the identification information of a store, via the imaging unit 12 of the information processing device included in the camera library, by a code reading function that is executed in a background thread different from the thread that controls the user interface of the payment application in response to the startup of the payment application that provides services related to code payment, via the imaging unit 12, and a display control unit 143 that displays a scan screen on the display unit for reading the store code via the imaging unit when the detection unit detects the store code.

A system includes a container for containing a precursor material and a machine for preparing a beverage and / or food product or a precursor of a beverage and / or food product from the precursor material. The container has a code for at least partially encoding the preparation information. In one embodiment, a machine includes: a code reading system to read a code; a processing unit for processing the precursor material of the container; and electrical circuitry for controlling the processing unit based on the preparation information. The electrical circuitry is configured to: read the code to obtain a code read result; determining a characteristic of an adjacent non-code portion near the code portion of the code read; the associated characteristic of the code portion is corrected based on the determined characteristic of the adjacent non-code portion to account for a change in the characteristic in the non-code portion.

A system having a container for containing a precursor material and a machine for preparing a beverage and / or food product or a precursor of a beverage and / or food product from the precursor material. The container has a code for at least partially encoding the preparation information. In one embodiment, a machine includes: a code reading system to read a code; a processing unit for processing the precursor material of the container; and electrical circuitry for controlling the processing unit based on the preparation information. The electrical circuitry is configured to: read the code to obtain a code read result; determining a characteristic of an adjacent non-code portion near the code portion of the code read; the associated characteristic of the code portion is corrected based on the determined characteristic of the adjacent non-code portion to account for a change in the characteristic in the non-code portion.

A novel code verification machine of the present invention includes: a code verification box, on the outer side wall of which two wire winding rollers and two driving rollers are fixedly connected; a code reading board is arranged between the two driving rollers, and a label sensor is fixedly connected to the code reading board; a driving motor is vertically extended into the code verification box and is matched with the driving rollers; the code verification box is also provided with a tightening component matched with the driving rollers and an adjusting component matched with the code reading board. The driving rollers and the wire winding rollers drive the label code to move, the label sensor and the code reading board cooperate to detect the label code, the tightening component adjusts the tension force during the operation of the label code, and the adjusting component adjusts the distance between the detector and the inkjet code. At the same time, the driving rollers cooperate with the anti-reverse device to keep the label code in a taut state at all times, improving the service life of the equipment.

To increase the accuracy of authentication results for access using a pattern code.SOLUTION: On the premise that a two-dimensional code in which an authentication code registered in an area information storage unit 100 is embedded and a time display are installed in a corresponding area, a request including an image photographed by a communication terminal apparatus and current time data is accepted from a communication terminal apparatus. A first verification processing unit 14 verifies the information read from the two-dimensional code in the image by a two-dimensional code reading processing unit 11 with a registered authentication code. A second verification processing unit 15 verifies the time read from the image by a time reading processing unit 12 with the time acquired from the request by a current time data acquisition unit 13. An authentication processing unit 16 determines whether or not to permit the request from the communication terminal apparatus on the condition that the first verification processing unit 14 determines that the read information and the authentication code match with each other and the second verification processing unit 15 determines that the difference between the two types of time is equal to or less than an allowable value.SELECTED DRAWING: Figure 8

The utility model discloses glass code identification equipment, which is characterized in that when the glass code identification equipment is used, a glass brick is placed on a bracket, image data of the position of a digital code on the glass brick is acquired, and the digital code contained in the image data is acquired and recorded based on a visual identification technology; according to the glass code recognition equipment, manual digital code reading is replaced by the image acquisition device and the control processing device, so that the labor intensity of workers can be reduced, the digital codes read and recorded by the equipment are more stable and reliable, the influence of artificial individual differences on reading and recording of the digital codes can be avoided, and the working efficiency is improved. The conditions of reading errors, recording errors, recording omission and the like are reduced, and the automation degree of glass production can be improved; the glass code recognition equipment can effectively solve the problem that the labor intensity is high when digital codes are read and recorded manually at present, and the effects of reducing reading and recording errors and improving the production stability are achieved.