Abstract: An invisible ink management method and system. The method includes receiving by a computer processor data associated with an image to be duplicated and a duplication command enabling reproduction of the image. The computer processor receives a command for enabling a duplication prevention functionality and generates a first copy of the image. The computer processor enables an invisible ink spray nozzle. In response, the invisible ink spray nozzle sprays a plurality of invisible images on the first copy. The plurality of invisible images are invisible under first lighting conditions and are visible under second lighting conditions.

Abstract: A two-dimensional code scanning method and device is provided, the method including: displaying a scanning window; obtaining a window adjustment instruction, and moving and/or scaling the scanning window based on the window adjustment instruction; obtaining coordinate information of the scanning window; creating a target image according to the coordinate information; recognizing the target image, and extracting data information corresponding to the target image. By the method and device, the hardware costs are reduced.

Abstract: Embodiments include a method, a manual device, a handheld manual device, a handheld writing device, a system, and an apparatus. An embodiment provides a device. The device includes an imaging circuit operable to acquire digital information encoded in a hand-formed analog expression marked on a surface by a handheld writing device. The device also includes a translator circuit operable to decode the digital information. The device further includes a correlation circuit operable to generate a signal indicative of the decoded digital information.

Abstract: A method for decoding a two-dimensional optical code formed by a set number of codewords, wherein decoding the code based on a single acquired image has not been successful, includes analyzing an acquired image and at least one further acquired image and obtaining a respective set and further set of values of identified codewords. Each codeword can take on either an undefined value or vice versa a numeric value if the codeword is recognized. A combined set of codewords is created and each codeword of the combined set is assigned a value of a codeword of the set and/or of the further set and an algorithm for detecting and self-correction of errors is applied to the combined set to obtain confirmation of successful decoding of the two-dimensional code.

Abstract: Various algorithms are presented that enable an image of a machine-readable code, captured by a camera of an electronic device, to be decoded on the device without need to upload the image information to a server for processing. The algorithms can account for variations in focus of the image, as may result in blur due to move movement or auto-focus features. The approaches can handle multiple machine-readable code formats, and can handle machine-readable code on curved surfaces, machine-readable code with damaged areas, or machine-readable code that are otherwise uneven. Such algorithms are highly accurate while being fast and lightweight enough to execute on portable electronic devices, such as tablet computers and smart phones.

Abstract: A method for decoding digital data in a color barcode having a plurality of data cells, including the steps of: scanning the color barcode of the hardcopy document, separating color image of the color barcode into print primary color planes, computing peaks of each print primary color plane, projecting, for at least one of the print primary color planes, the data cells along a horizontal direction and a vertical direction at the peaks of the at least one of the primary color planes in each direction which represent data cell center locations respectively, and creating a grid where each of its intersection is a respective data cell center location, assigning a color to each grid intersection which corresponds to a respective data cell by examining values of the print primary color planes at such location, and decoding digital data from the data cells based on the respective color assigned to each data cell.

Abstract: There is provided an information processing apparatus including a communication unit for transmitting a carrier wave having a predetermined frequency and making noncontact communication with an information processing terminal, a 2-dimensional code reader unit for reading a 2-dimensional code recording therein processing information on processings to be executed by the information processing terminal, a 2-dimensional code analysis unit for analyzing the 2-dimensional code reader in the 2-dimensional code reader unit and acquiring the processing information from the 2-dimensional code, and a processing unit for generating processing execution information for causing the information processing terminal to execute a predetermined processing based on an analysis result by the 2-dimensional code analysis unit and causing the communication unit to transmit the processing execution information to the information processing terminal.

Abstract: An arrangement for, and a method of, preventing a misread of a one-dimensional symbol that can be read in either one of two polarities in an electro-optical reader. A data capture assembly captures light from the symbol, and generates an electrical signal indicative of the captured light. A controller simultaneously processes and decodes the electrical signal as a first decoded result of one of the polarities and as a second decoded result of the other of the polarities. The controller also determines the validity of the first and second decoded results, and generates an output in dependence upon the validity determination.

Abstract: An application running on portable information handling system automatically inventories the portable information handling system to identify one or more components that perform one or more functions based upon information embedded in a barcode. For example, a barcode affixed to an information handling system identifies the information handling system as having a near field communication (NFC) device. The application searches the portable information handling system to determine if the portable information handling system has a NFC device and, if so, presents an activator at a display to use the NFC device to communicate with the information handling system NFC device.

Abstract: The invention discloses a method and device for automatically converting a sign and a method for automatically reading a sign. The method for automatically converting a sign comprises: disposing a first number of modules dispersedly within the sign, the first number being equal to a number of modules of a two-dimensional code that denote the sign; determining a mapping relation between the first number of modules and the respective modules of the two-dimensional code; and setting the first number of modules respectively to have same properties as the respective modules to which they are mapped of the two-dimensional code, so as to generate a converted sign. With the above method and device for automatically converting a sign, various signs can be automatically converted to machine readable signs, so that people and machines can easily understand these signs.

Abstract: A method for expediting the barcode interpretation process implemented on conventional optical imaging barcode readers. The method involves interrupting the mainline processing of the conventional barcode detection, obtaining a copy of the captured image, scaling the image, locating the barcode in the scaled image, scaling the image back to normal proportions, calculating the location of the barcode in the scaled up image, and reporting the barcode location back to the mainline processing for decoding of only the region of interest. The mainline processing of the optical imager may then proceed with barcode interpretation in the area identified by the method of the present invention without wasting time applying complicated decoding algorithms to areas within the image that do not contain any barcode information.

Abstract: An image generating method performed by a computer, includes extracting data corresponding to a first coded image from first image data including the first coded image; generating a second coded image corresponding to the extracted data, wherein a size of a configuration element included in the second coded image is an integral multiple of a dot size of the first image data; and generating second image data indicating an image including an image indicated by the first image data and the generated second coded image.

Abstract: A playlist and a digital advertisement are received. The digital advertisement is output to a screen on the basis of information in the playlist. A code is generated based on the information in the playlist and the generated code is output to the screen. The generated code is output to the screen by flashing the generated code on the screen at a predetermined flash frequency and for a predetermined flash time so that the generated code is visually imperceptible or barely detectable to a human viewer. A suitable equipped electronic device may detect the code and utilize information encoded in the code in various ways.

Abstract: In an apparatus for optically reading a graphic symbol composed of a plurality of optically identifiable unit sections of information, a first image pickup unit has a first photodetector and picks up a first optical image of the graphic symbol based on light detected by the first photodetector. A second image pickup unit has a second photodetector and configured to pick up a second optical image of the graphic symbol based on light detected by the second photodetector. A correcting unit corrects a light intensity level of at least one section of one of the first and second optical images based on a light intensity level of at least one section of the other of the first and second optical images. The at least one section corresponds to at least one of the unit sections of information of the graphic symbol.

Abstract: A method for disseminating and/or relaying a piece of information, wherein a packaging of a foodstuff or drink comprises a code, in particular a QR code, wherein the code is read and processed by an addressable reader, in particular a mobile radio device, smart phone, PDA, portable media player or similar, and wherein an operation defined by the code is triggered on the reader, said operation entailing a response addressed to the reader. Moreover, a corresponding information carrier is disclosed.

Abstract: Certain exemplary embodiments include a test element operable to receive a sample and to provide an indication of an analyte of the sample to a meter. In one form test element comprises a substrate and an optically readable pattern provided on the substrate which encodes information relating to the test element.

Abstract: Provided is a QR code display object which is manufactured with a quality capable of verifying recognition of various sizes of expanded/reduced QR codes in advance and can be commercially distributed. The QR code display object displays the generated QR code in advance to be recognized from the outside, and provides an editing URL representing an editing website which is capable of editing information to be displayed on a reader when scanning the QR code, and an ID exhibiting authority to edit the information to be displayed when scanning the QR code in the editing URL.

Abstract: A system and method for data exchange between a first device and a second device includes encoding data as a series of barcode frames on the first device and then successively displaying each barcode frame of the series of barcode frames on the first device. The second device captures the barcode frames being displayed by the first device to obtain the series of barcode frames and then decodes the captured series of barcode frames to complete the data exchange.

Abstract: A method of decoding a two-dimensional enhanced-density barcode. A first and a second barcode are encoded in the enhanced-density barcode. The enhanced-density barcode includes a set of blocks. Each block includes a predefined number of sub-pixels. The blocks of the enhanced-density barcode being arranged relatively to each other in a geometrical lattice having a first and a second lattice direction. The method includes the steps of distorting of the enhanced-density barcode in the first lattice direction, resulting in a first distorted barcode, distorting of the enhanced-density barcode in the second lattice direction, resulting in a second distorted barcode, reconstructing the first barcode by low-pass filtering the first distorted barcode, reconstructing the second barcode by low-pass filtering the second distorted barcode.

Abstract: A method and apparatus for determining a digital signature from an article. A coherent light source directs a beam to illuminate the article and a detector arrangement collects data points from light scattered from many different parts of the article to collect a large number of independent data points, typically 500 or more. By collecting a large number of independent signal contributions specific to many different parts of the article, a digital signature can be computed that is unique to the area of the article that has been scanned. This measurement can be repeated whenever required to test authenticity of the article. Using this method, it has been discovered that it is essentially pointless to go to the effort and expense of making specially prepared tokens, since unique characteristics are measurable a in a straightforward manner from a wide variety of every day articles.

Abstract: Method of and system for reading bar code symbols a laser scanning bar code symbol reading system having the capacity to intelligently control the scan sweep angle of a laser scanning beam in a user-transparent and intuitive manner. In the event that two or more bar code symbol indications are represented in a buffered line of scan data, then the scan sweep angle of the laser scanning beam is automatically reduced so that the resulting laser scanning beam will be shortened and only a single bar code symbol will be scanned, most likely with the center portion of the laser scanning beam.

Abstract: Techniques for ensuring maximum readability of barcodes displayed in pixel displays. The techniques use the characteristics of the pixel display to determine the form of the barcode in the pixel display. Determination of the form includes determining a size of the barcode which renders the barcode's elements easily readable by a barcode reader and a shape, and or orientation of the barcode in the display which permits the entire barcode to be displayed in the display. Additionally, in a barcode with redundant information, the amount of redundant information may be reduced in the displayed barcode. The techniques may be applied to both one-dimensional and two-dimensional barcodes.

Abstract: The invention features an image reader and a corresponding method for capturing a sharp distortion free image of a target, such as a one or two-dimensional bar code. In one embodiment, the image reader comprises a two-dimensional CMOS based image sensor array, a timing module, an illumination module, and a control module. The time during which the target is illuminated is referred to as the illumination period. The capture of the image by the image sensor array is driven by the timing module that, in one embodiment, is able to simultaneously expose substantially all of the pixels in the array. The time during which the pixels are collectively activated to photo-convert incident light into charge defines the exposure period for the sensor array. In one embodiment, at least a portion of the exposure period occurs during the illumination period.

Abstract: An exemplary Data Matrix barcode decoding chip, comprising: a characteristic searching unit configured for searching for a characteristic pattern in the barcode image to determine pixel coordinates of the characteristic pattern; a barcode parameter acquiring unit configured for acquiring a barcode parameter according to the pixel coordinates of the characteristic pattern; a correction characteristic acquiring unit configured for searching for a characteristic position in the barcode image and acquiring a correction characteristic according to the characteristic position; a module information processing unit configured for calculating a grayscale value corresponding to a module according to the barcode parameter and the correction characteristic; a binarizing unit configured for binarizing the module; a codeword extracting unit configured for extracting a codeword according to the binarized module; and an error correction and decoding unit configured for decoding the codeword.

Abstract: A computer implemented method is provided for display adaptation based on captured image feedback. Content that comprises a marker is displayed. An image of the content is captured by a mobile device. Whether the marker in the image is recognized is determined. The marker in the image is analyzed in response to a determination that the marker in the image is not recognized. The content is adjusted based on the analyzed marker. The adjusted content is displayed. The marker in the image is analyzed to determine at least one of a time and a location associated with capturing the image of the content in response to a determination that the marker in the image is recognized. Another content is displayed based on at least one of the time and the location determined by analyzing the marker.

Abstract: A method is provided for performing action commands on a mobile terminal. The method includes reading a 2D barcode to obtain 2D barcode information. The he 2D barcode information includes at least an action command identifier and a call instruction for calling an application program interface (API) corresponding to the action command. The method also includes calling the API corresponding to the action command and completing execution of the action command.

Abstract: Periodic high-index-contrast photonic crystal (PhC) structures such as two-dimensional arrays of air holes in dielectric slabs inhibit light propagation in bands of frequencies and confine light in dislocations where the lattice periodicity is broken. The present invention is a conceptually different approach to photon localization in PhC structures. The disclosed design concept introduces structural perturbations uniformly throughout the fabricated crystal by deliberately changing the shape or orientations of elements that form the lattice. Optimized introduction of such random structural perturbations produces optical nanocavities with ultra-small modal volumes and high quality (Q) factors of over 250,000. Applications of such disordered photonic crystal structures are disclosed for optical sensing systems and random nano-lasers.

Abstract: A search system, a user device, and a server for AR service are disclosed. The search system includes a search engine configured to search a web content and a marker, in response to an input of a user, a matching unit configured to match the searched web content with the searched marker, and an output unit configured to transmit a document including the searched web content and the searched marker to the user.

Abstract: A method of and apparatus for generating a multiple raster-type scanning pattern by modulating a multi-cavity laser diode in such a way that it sequentially generates different laser beams synchronously during different laser scanning cycles, while the output laser beams are directed incident upon a rotating polygonal laser scanning element. The system does not require additional moving parts beyond the rotating polygon scanning element so as to reduce complexity and simplify construction of the laser scanning mechanism.

Abstract: A substrate containing a magnetic strip, a 2-D bar code, or a QR bar code secured to the substrate, the magnetic strip, 2-D bar code, or QR bar code containing electronically readable information about an amount of money. The magnetic strip, 2-D bar code, or QR bar code is passed through a reader and an amount of money is credited in a sale transaction. The 2-D bar code, QR bar code, or magnetic strip may be removably secured to the substrate so that it may be removed and saved for later use.

Abstract: A method for decoding information from a physical image having a plurality of payload patches includes generating a digital representation of the physical image. A plurality of regions are mapped to the plurality of payload patches in the digital representation. A scramble pattern is identified and the plurality of mapped regions of the digital representation are reordered according to the identified scramble pattern. Information is decoded from the payload patches of the reordered plurality of mapped regions.

Abstract: A method of inputting medical information comprises the step of printing a two-dimensional barcode from a first system, wherein the two-dimensional barcode comprises embedded data to input into a second system and wherein the data is separated by embedded key strokes that emulate entry of data into a user interface associated with the second system. The method further includes the steps of scanning the two-dimensional barcode utilizing a scanner associated with the second system and entering the embedded data into the user interface of the second system.

Abstract: A segmented 2D matrix symbol may be formed by dividing data into a plurality of segments, separately encoding the plurality of segments as corresponding arrays of cells, and arranging the arrays of cells in an abutting relationship. The segmented symbol may be reproduced, for example by receiving a bitmap corresponding to the formed symbol followed by printing; by copying a printed symbol; or by scanning a printed symbol and printing a copy. The reproduced symbol may be scanned, and data from only decoded segments, for example audio data, may be output.

Abstract: A multicamera imaging-based bar code reader for imaging a target bar code on a target object features: a housing supporting a plurality of transparent windows and defining an interior region, a target object being presented to the plurality of windows for imaging a target bar code; an imaging system including a plurality of camera assemblies coupled to an image processing system, each camera assembly of the plurality of camera assemblies being positioned within the housing interior position. Each camera assembly includes a sensor array and an imaging lens assembly for focusing a field of view of the camera assembly onto the sensor array and wherein the sensor array is read out at a predetermined frame rate. The predetermined frame rate of at least one camera assembly is less than the predetermined frame rates of the other camera assemblies.

Abstract: Methods are disclosed for transmitting information from a handheld device to a terminal. The information is encoded as a barcode pattern. The barcode pattern is generated on a display of the handheld device. A size of the barcode pattern is periodically modulated on the display while maintaining internal relative dimensions within the barcode pattern. The periodically modulating barcode pattern is displayed to an optical reader of the terminal.

Abstract: The present invention relates to a bar code reading device for reading 1D or 2D bar code symbols. The bar code reading device, in one embodiment, can receive a command to disable symbology reading. In another embodiment, a bar code reading device can have a timercount and an image memory. In one embodiment, a bar code reading device can be configured to read bar code symbols of more than one bar code symbology.

Abstract: An image forming apparatus, which may be a printer, includes an image acquisition subsystem and a processing subsystem. The image acquisition subsystem includes an imager and a source. The imager is configured to scan an image while the image acquisition subsystem moves with respect to the image forming apparatus and configured to provide electrical signals including information related to the scanned image. The source is configured to emanate electromagnetic radiation based on the electrical signals. The processing subsystem includes a receiving component configured to receive the electromagnetic radiation emanated from the source of the image acquisition subsystem. The image forming apparatus also includes a structure supporting both the image acquisition subsystem and the processing subsystem.

Abstract: A method of coding, decoding and usage of three-dimensional code is provided. The three-dimensional code is generated by adding a time dimension in a two-dimensional code so as to form the three-dimension information structure, so that a three-dimensional code flow with time continuity is generated. The basic unit of the three-dimensional code flow is a two-dimensional code having time information. In other words, the three-dimensional code includes the two-dimensional code sequence fragment with time continuity. An encrypted three-dimensional code is able to represent an entire behavior of a user some time, some place, in some location, to do something, for some device or some content. Through the three-dimensional code technique, the three-dimensional code content is implanted into a display scene of terminal display screen. The time changing two-dimensional code image is displayed on the terminal display screen. The user is able to interact with the display device through the three-dimensional code.

Abstract: A portable data terminal including a multi-core processor having at least a first core and a second core, at least one illumination assembly and at least one imaging assembly and data storage means configured to store a plurality of program instructions, the program instructions including at least one one-dimensional decoder and at least one two-dimensional decoder.

Abstract: A code reading apparatus, comprising: an image capturing unit configured to capture the image picked-up by a image pickup unit; a detection unit configured to detect the code contained in the captured image; a decoding unit configured to decode the detected code; and a recognition unit configured to recognize, if the detected code is a two-dimensional code, the model number of the two-dimensional code. The decoding unit decodes the detected two-dimensional code if the model number recognized is a predetermined model number.

Abstract: A solid-state imager is mounted at a point-of-transaction workstation for capturing images of one- and two-dimensional indicia and is operated at high speed to resist image blurring due to relative movement between the target and the imager. Dedicated hardware assistance and computation resources are allocated to decode multiple, continuous and simultaneous video streams from multiple imagers at the workstation.

Abstract: An apparatus, method and system to read a bar code or other optical code using a laser device and an image capture device. Using both devices improves the probability that a bar code is read on the first pass while still allowing a high pass by speed. In addition, using both devices improves the probability of reading a damaged or partially obscured bar code.

Abstract: An image processing apparatus of the present disclosure includes: (a) a two-dimensional matrix barcode detecting unit configured to detect a two-dimensional matrix barcode if an image of image data includes the two-dimensional matrix barcode; and (b) a broken matrix barcode detecting unit configured to determine whether a broken two-dimensional matrix barcode exists in the image or not when the two-dimensional matrix barcode detecting unit does not detect the two-dimensional matrix barcode but detects at least one position detection pattern. The broken matrix barcode detecting unit determines whether the broken two-dimensional matrix barcode exists in the image or not on the basis of a pattern in a predetermined position adjacent to the detected position detection pattern.

Abstract: A method and system for offering credit to a prospective borrower are provided. A lender first determines a prospective borrower location, which may be a commercial outlet, such as a retail store where goods or services are offered. The lender then references a purchase history associated with the borrower at that particular location. The lender then determines the credit worthiness of the borrower. Based upon location, purchase history, and credit worthiness, the lender may deliver a customized offer of credit to the prospective borrower. The offer of credit may be location based, and may accompany a suggested good or service that is available at the prospective borrower's location.

Abstract: An exemplary QR barcode decoding chip includes a characteristic searching unit configured for searching for a characteristic pattern in the barcode image to determine pixel coordinates of the characteristic pattern; a barcode parameter acquiring unit configured for acquiring a barcode parameter according to the pixel coordinates of the characteristic pattern; a version/format parameter acquiring unit configured for acquiring a version/format parameter; a correction characteristic acquiring unit configured for searching for a characteristic position in the barcode image and acquiring a correction characteristic according to the characteristic position; a module information processing unit configured for calculating a grayscale value corresponding to a module according to the version/format parameter, the barcode parameter and the correction characteristic; a binarizing unit configured for binarizing the module; a codeword extracting unit configured for extracting a codeword according to the binarized module; a

Abstract: There is set forth herein an indicia reading terminal having a first illumination and exposure control configuration and a second illumination and exposure control configuration, the first illumination and control configuration having a first associated illumination control and a first associated exposure control, the second illumination and exposure control configuration having a second associated illumination control and a second associated exposure control, wherein with the first illumination control active an average energization level of the illumination subsystem during exposure of one or more frames is higher than with the second illumination control active, and wherein with the first exposure control active an average exposure period of the image sensor array is shorter than with the second exposure control active.

Abstract: An exemplary matrix-type two-dimensional (2D) barcode decoding chip includes a data storage, a matrix-type 2D barcode identifying modules, and a master-control logic module. The data storage is configured for storing a barcode image. The matrix-type 2D barcode identifying modules are configured for processing the barcode image in parallel. The master-control logic module is configured for controlling operational statuses of the matrix-type 2D barcode identifying modules so that the matrix-type 2D barcode identifying modules calling the barcode image stored in the data storage in sequence.

Abstract: A document authenticating method is disclosed by which a plurality of two-dimensional barcode stamps are generated and printed on a back side of the document forming a color mosaic pattern. Each barcode stamp by itself is a binary barcode, but the plurality of barcode stamps as a whole are printed with different colors and/or color intensities. The barcode stamps collectively encode the content of the document to be used for document authentication.

Abstract: A coding for a medical disposable item is proposed comprising at least one information component in encoded form. Associated encoding methods and devices, and associated decoding methods and devices, are also proposed. The coding generally comprises an optical information component comprising one or more fields filled with a gray-scale value up to a certain degree of filling. Each gray-scale value and degree of filling are associated as a value pair determined as part of a code generated to correlate to an information component desired to be applied to and conveyed from a medical disposable item to an associated device that utilizes such items.

Abstract: Disclosed is a technology that specifies each of a plurality of two-dimensional codes in an image and reduces the processing time for judging color in each cell region in each specified two-dimensional code. Based on edge images generated from obtained images, candidate regions among these edge images are extracted, a judgment is made about whether or not a characteristic pattern is included in each of the corresponding regions in the original images that correspond to these extracted candidate regions, and then the two-dimensional code regions are detected from among the original images. The color is judged both for each pixel group that comprises each row of that region and for each pixel cell, in pixel array order. If it is determined that a certain number or more pixels in each row that corresponds to each cell region are included in the color judgment region, color judgment is omitted for the remaining pixels in that row.