387 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.

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.

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 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 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.

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.

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.

The invention discloses a cigarette box strip two-dimensional code rendering model construction method for code reading camera response function estimation, and the method comprises the steps: constructing an end-to-end neural network rendering algorithm through employing a cigarette box strip two-dimensional code image sample, recovering a radiation field with a high dynamic range from low-illumination images with different exposures, and estimating a response function of a camera; comprising the following steps: designing a neural radiation field module, and constructing two continuous implicit neural network functions which are respectively used for modeling the density and scene radiance of a radiation field so as to more accurately estimate a camera response function and reflect the real physical characteristics of a camera; a tone mapping module is designed, a high-dynamic-range image is converted into a low-dynamic-range image, the density of a radiation field and scene radiance are combined with tone mapping of image color brightness, comprehensive modeling of the physical imaging process of the camera is achieved, and the generated image is more authentic. The method can adapt to changes of different scenes and lighting conditions, and the practical effect in a specific scene is enhanced.

The device, system and process of the present invention greatly reduces the time and space necessary to assemble a wire harness enables efficient manufacture of wire harnesses and cable assemblies. The present invention comprises at least a wire or cable viewer module, a machine vision and optical character recognition module, one or more receptacles designed to receive and hold in place a wire harness or cable assembly connector, having multiple pin-hole cavities illuminated by a light source to identify a cavity for wire or cable insertion. Moreover, the present invention may further comprise a portable, computer-implemented system capable of executing a series of automated process steps designed to identify wire and cable markings and guide the error-free insertion of identified wires and cables into wire harness connector pin-hole receptacles for assembly of a wire harness or cable assembly.

A light source is suppressed from being reflected on a workpiece surface of a specular workpiece. A code reading device generates a code image by receiving light specularly reflected from a specular workpiece surface of light emitted from a diffuser and diffusing and reflecting light emitted to a portion corresponding to a code. A position and an angle of the diffuser are fixed with respect to a camera such that the specularly reflected light from the workpiece surface is received by the camera in a state where the camera is in focus on the workpiece surface, and the light source emits the light from the back of a rear end of the diffuser toward the diffuser such that the light source is not reflected on the camera when the camera receives the specularly reflected light.

The present invention provides a lithium battery compression molding equipment and its process flow, including a cell feeding unit, a hot pressing and cooling unit, a high-voltage testing unit and a detection and discharge unit arranged in sequence, wherein the cells are transferred between the cells by an automatic transplanting and handling unit. The cell feeding unit includes a feeding part and a code reading part in sequence, the hot pressing and cooling unit includes a hot pressing engineering part and a cooling and pressurizing part in sequence, the high-voltage testing unit includes a semi-permeable membrane molding part, a bottom gluing part and a high-voltage testing part in sequence, and the detection and discharge unit includes an image detection part and a discharge part in sequence. The present invention is conducive to the automated completion of the fixing, visual inspection and heating processes on the slide base, and uses visual inspection to accurately locate the position of the lithium battery, thereby improving positioning accuracy, reducing the difficulty of work switching, and improving the qualified rate of finished products.

The invention relates to a lighting accessory and a code reading device. The lighting accessory comprises an outer shell part, an inner cavity part and a lower shell part. The inner side surface of the outer shell part and the outer side surface of the inner cavity part form a light guide channel so as to reflect light rays emitted by an external light source for multiple times; the inner side of the outer shell part is the side close to the inner cavity part. A light inlet communicated with the light guide channel is formed between the first end of the inner cavity part and the third end of the outer shell part, and a light outlet communicated with the light guide channel is formed between the second end of the inner cavity part and the fourth end of the outer shell part; the outer side of the inner cavity part is the side close to the outer shell part. The fifth end of the lower shell part is close to the fourth end of the outer shell part, the sixth end of the lower shell part forms a light outlet of the lighting accessory, and the lower shell part is used for reflecting light rays emitted from the light outlet of the light guide channel to the inner side surface of the inner cavity part, so that the inner side surface of the inner cavity part reflects the light rays to a target object through the light outlet of the lighting accessory. According to the invention, the light path is optimized, and the uniformity of light rays is improved.

The utility model discloses a fixture for a 5G chip radio frequency test. The fixture comprises a test base, a first start button, a second start button, a scram button, a flatness sensor, a profiling positioning groove, a translation guide rail, a translation cylinder, a translation frame, a pressure head, a pressure head cylinder, a code reading assembly and a controller. Through the above mode, the clamp for the 5G chip radio frequency test greatly improves the production efficiency and the test accuracy and stability, thereby improving the production yield, reducing the labor intensity of workers, reducing the production cost, and improving the test safety.

To provide an article registration device, an article sales data processing system, and a program that can prevent congestion at a settlement device.SOLUTION: An article registration device includes: an article code reader (reader) that reads an article code (identification information) and allows a customer to register the identification information of an article to be purchased through his / her own operation; an article registration unit (registration unit) that generates article registration information in which the article code read by the article code reader is registered; an article registration information transmission unit that transmits the article registration information to a settlement device that performs settlement processing for the article registration information after the generation of the article registration information for one transaction is completed; a mode change unit that enables the cashless settlement for the article registration information on the condition that an operation instruction to enable the cashless settlement is obtained; and a settlement processing unit that performs cashless settlement for the article registration information when the mode change unit enables execution of cashless settlement at the self-device.SELECTED DRAWING: Figure 7

The utility model discloses a material management system which comprises a material cabinet, a main control module, a man-machine interaction module and an identification code reading module, the material cabinet is provided with a plurality of bins, and the front end of each bin is provided with an electric control bin door; the main control module is electrically connected with the electric control bin door; the man-machine interaction module is electrically connected with the main control module, the man-machine interaction module comprises a formula management unit and a bin position display control unit, and the formula management unit and the bin position display control unit are electrically connected with the electric control bin door through the main control module; the identification code reading module is electrically connected with the main control module and is electrically connected with the man-machine interaction module through the main control module and the electric control bin door. A user can achieve intelligent control over the electric control bin door in multiple modes, and the reliability of material taking and placing is improved.

This application relates to an SMT (Surface Mount Technology) material delivery scheduling method and system. It includes: executing a material delivery task; when reading the identification code of a material tray fails, identifying the failure type as optical overexposure, and reporting the failure information to a central scheduling system; the central scheduling system updates the execution history information of the material delivery task based on the failure information; when the central scheduling system needs to allocate an automated guided vehicle (AGV) to the material delivery task, it queries the execution history information of the material delivery task; if the query results indicate that the material delivery task has failed, it identifies the type of AGV that caused the failure in the execution history information, excludes the AGV type that caused the failure from the available AGVs, and selects AGVs with different physical configurations for allocation. This solves the problem of code reading failure caused by optical overexposure of high-gloss material trays in the SMT production environment.

The utility model discloses a semiconductor optical detection device, which comprises a detection working table, a plurality of conveying assemblies sequentially arranged along a second direction are arranged on the detection working table, and detection stations of the plurality of conveying assemblies are sequentially distributed in the second direction; a code reading assembly, a detector assembly and a material receiving assembly are sequentially arranged on the detection workbench in the first direction. The code reading assembly is used for reading codes of the chip material strips on the code reading station; the detector assembly comprises a detection Y-axis moving module and a detector, the detection Y-axis moving module extends in the second direction and is arranged above the multiple conveying assemblies, and the detection Y-axis moving module is installed on the detection workbench. The detector is installed on the detection Y-axis moving module in a sliding mode and can move above the detection stations of the multiple conveying assemblies in the second direction. The material receiving assembly is used for moving the chip material strips out of the conveying assembly from the material receiving station; wherein the first direction is perpendicular to the second direction.