Abstract: A two-dimensional optical identification device for a quick decoding operation in a same gray level and decoding method applied to the same. The two-dimensional optical identification device has at least one two-dimensional optical identification with the same gray level. The two-dimensional optical identification has a first positioning block, a plurality of data blocks, and a second positioning block. The first positioning block has a plurality of first positioning points. The data blocks are placed around the first positioning block. The second positioning block has a plurality of second positioning points and a second direction identification point for providing the direction of the two-dimensional optical identification, and the second positioning block is placed at each boundary of the plurality of data blocks for defining the positions of the plurality of data blocks. The second direction identification point indicates an identification direction of the two-dimensional optical identification.

Abstract: Embodiments of the present invention provide time-varying barcodes for information exchange. Specifically, embodiments of the present invention provide a system and method for communicating information between electronic devices via a time-varying barcode image sequence. In a typical embodiment, information to be transmitted is divided into packets. A barcode image is generated from each packet. Each barcode image is displayed sequentially with varying display times based on the complexity of the barcode image. A second electronic device reads and decodes the barcode image sequence until the entire information is received.

Abstract: Systems and method for communication of transaction data within a self-checkout environment are disclosed. According to an aspect, a method includes controlling a display device to display a machine-readable representation of transaction data. The method may include receiving a signal that indicates acknowledgement of reading of the machine-readable representation of the transaction data. Further, the method may include controlling the display device to display a machine-readable representation of other transaction data in response to receipt of the signal.

Abstract: Embodiments of the present invention provide time-varying barcodes in an active display for information exchange. Specifically, embodiments of the present invention provide a system and method for communicating information between electronic devices via a barcode image sequence. In a typical embodiment, a barcode image sequence is displayed on the display screen of a first electronic device. A second electronic device reads and decodes the barcode image sequence. The second electronic device displays an acknowledgement on the display screen of the second electronic device. The acknowledgement is read by the first electronic device.

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 method of operating an optical reading device for collecting and processing indicia data comprising the steps of: converting light with an image sensor into output signals representative of an image in a field of view (FOV) of the image sensor; user programming a processor to search the output signals according to a search strategy; searching the output signals for an information bearing indicia (IBI) within the FOV according to the user programmed search strategy; and, decoding information contained in the IBI.

Abstract: A configuration system for configuring a barcode symbol scanning terminal using a two-dimensional barcode is provided. The configuration system includes a two-dimensional imager terminal including an image sensor configured to collect an image representative of a two-dimensional barcode, wherein the two-dimensional imager terminal is configured to determine programming data based upon the image representative of the two-dimensional barcode and to transmit the determined programming data. The configuration system further includes a barcode symbol scanning terminal, wherein the barcode symbol scanning terminal receives the determined programming data from the two-dimensional imager terminal, wherein the barcode symbol scanning terminal is operative to be configured based upon the determined programming data.

Abstract: An indicia reading terminal can include a multiple setting imaging lens assembly and an image sensor having an image sensor array. In one embodiment, an indicia reading terminal in an active reading state can cycle through a set of different lens settings, expose pixels of an image sensor array during an exposure period when each new lens setting is achieved, and attempt to decode decodable indicia represented in frames of image data captured corresponding to each exposure period. In one embodiment, movement of an imaging lens assembly lens element can be provided with use of a hollow stepper motor.

Abstract: An apparatus and system are presented for scanning optical codes presented to a hybrid optical code scanner where the scanner uses a laser pattern mirror to aid in determining the location of a sweet spot for an imaging scanner in the hybrid optical code scanner. The pattern mirror is positioned so as to reflect laser beams and an image of an optical code to an operator when the optical code is positioned in the imaging scanner's sweet spot.

Abstract: This disclosure defines systems, methods and apparatus for scanning in a distribution environment. In one aspect a method is disclosed for expanding a field of view of a camera. The method may include moving a mirror according to a determined pattern of movement and speed and capturing a series of images with a camera while the mirror is moving such that the field of view defining images captured by the camera changes based on the position of the mirror. The method may further include using image data from the series of images to process information located on a target item being imaged. In another aspect, an apparatus is disclosed including a selectively movable mirror positioned relative to an image capture device. A controller is configured to capture an image while the mirror is moving.

Abstract: There is provided in one embodiment an indicia reading apparatus having an image sensor array. The indicia reading apparatus can have a first operator selectable configuration and a second operator selectable configuration.

Abstract: A set of symbols is encoded using a continuous mapping function to produce corresponding encoded functions, wherein the mapping function is continuous and values of the encoded functions are real and vary continuously. The encoded functions are summed in a spatial domain to generate a summed function, which is biased so that values of a biased function are all positive and real. Then, a physical property of the object is altered according the biased function to arrange a mark on the object.

Abstract: A system and method is disclosed for automatically providing information to a newly-manufactured computing device. During the manufacture of a new computing device at an assembly line, a camera integrated with the computing device is automatically activated as a barcode scanner. On the camera viewing a barcode that includes device-specific configuration information, the barcode is read by the computing device to read the device-specific configuration information for storage in a non-volatile memory of the device.

Abstract: The present invention relates to method for quality control of surface coated objects used independently or in conjunction with product authentication; methods for assuring proper product handling; methods for assuring that product contents' match product's label, comprising the use of microparticulate taggants having different detectable physical properties, wherein each combination of properties is used as an encoding bit to create codes.

Abstract: A method and apparatus for providing a mobile service with the use of a code pattern is disclosed In one embodiment, the method comprising: taking a photograph of a code pattern image, decoding the photographed code pattern image so as to obtain code information, extracting uniform resource locator (URL) information corresponding to the code information, transmitting a content information request message to a service provider server corresponding to the URL information, and receiving content information corresponding to the URL information from the service provider server. According to embodiments of the present invention, it is possible to provide various and convenient mobile services to mobile terminal users using a mobile terminal, having a camera, and a code pattern containing the URL information.

Abstract: An article code reading device optically reads a code symbol on to an article and specifies the article, and decodes and outputs an article code. An image pickup image part picks up an image of an area of an article, the code symbol of which is read by the article code reading device, and outputs pickup image data. An article registration is executed by searching an article data file for a corresponding price for the article, and an extraction process extracts an exterior characteristic of an article from a the pickup image data outputted by the pickup image part. A consistency is determined between a first data obtained based on the extraction process and a second data obtained based on an output from the article code reading device, and an alarm is generated when it there is not a consistency between the first data and the second data.

Abstract: Disclosed is an identification symbol and system and method for reading in accordance with the present invention is preferably a two-dimensional, rectangular or square bar code symbol having a solid border, a tick-mark region adjacent to the solid border, a omni-directional reading and error detection and correction capability.

Abstract: A configuration system for configuring a barcode symbol scanning terminal using a two-dimensional barcode is provided. The configuration system includes a two-dimensional imager terminal including an image sensor configured to collect an image representative of a two-dimensional barcode, wherein the two-dimensional imager terminal is configured to determine programming data based upon the image representative of the two-dimensional barcode and to transmit the determined programming data. The configuration system further includes a barcode symbol scanning terminal, wherein the barcode symbol scanning terminal receives the determined programming data from the two-dimensional imager terminal, wherein the barcode symbol scanning terminal is operative to be configured based upon the determined programming data.

Abstract: Systems and methods for processing checks using 2D barcodes are provided. A user submits a digital image of a check that includes a 2D barcode. The 2D barcode has embedded positional information of one or more check features which can be decoded and compared to the check features optically identified on the digital image of the check. From this, a set of rotational and scaling adjustments can be computed by comparing estimated positional information with the positional information of the one or more check features retrieved from the barcode. A more accurate representation of the check is then produced by applying the set of rotational and scaling adjustments to the digital image of the check. Once a more accurate representation of the check has been produced, the check can be electronically processed using a routing transit number found on the check.

Abstract: A code reader device, prior to extracting a code from an image captured by a camera, receives an image size data, and according to the received image size, displays the captured image on the display device so that a code extracting target area is discriminated from a remaining area. A layout of the captured image on a display screen becomes flexible, so that usability for reading the code can be improved.

Abstract: A housing is mounted on a counter on which a basket for containing a commodity to be purchased is placed and is disposed at a position where it confronts an operator. A read window confronting a read area of a code symbol attached to a commodity is disposed on the front of the housing, and an image pickup section including a CCD area sensor having, as an image pickup area, a read area of the code symbol is incorporated at the back of the read window. An LED light source irradiates illuminating light for illuminating the code symbol, which is necessary for the area CCD sensor to take an image of the code symbol. The LED light source has an optical axis nonparallel to a read optical axis of the area image pickup device and guides the illuminating light to the read area from a position above the area image pickup device.

Abstract: Illumination driver circuit for using in an imaging-based barcode reader is configured to provide the driving current for the illumination source with a Buck regulator when the driving current is above a threshold current value and to provide the driving current for the illumination source with a linear regulator when the driving current is not above the threshold current value. The threshold current value is substantially close to the smallest current the Buck regulator operative to provide when operating in a continuous mode.

Abstract: A scanner according to an embodiment includes a housing, an imaging device provided in the housing, and a light source. The housing has an imaging window. The imaging window is sectioned by an upper side portion, a lower side portion, and a pair of side portions. The lower side portion is spaced apart from the upper side portion. The pair of side portions connect respective ends of the upper side portion and the lower side portion. The imaging device picks up, via the imaging window, an image of a reading target present in a reading area formed on the outer side of the housing through the imaging window and outputs image data of the reading target. The light source is located on the outer side of the reading area and arranged along each of the side portions of the housing and irradiates illumination light on the reading area.

Abstract: An optical code symbol reading system including a housing having a light transmission aperture, and at least one sound port formed in the housing. The system includes an optical code symbol reading subsystem for optically reading a code symbol in the field external to the light transmission aperture, and generating symbol character data representative of the read code symbol. An electro-acoustic transducer is disposed in the housing for producing sonic energy. Also, an acoustic-waveguide structure is disposed in the housing, for coupling the sonic energy produced from the electro-acoustic transducer, to the at least sound wave port formed the housing, to audibly signal the reading of a code symbol to the operator of the optical code symbol reading system.

Abstract: An optical code symbol reading system including a hand-supportable housing having a light transmission aperture. A manually-actuated trigger switch is integrated within the housing. An optical code symbol reading subsystem is disposed in the housing for optically reading a code symbol in the field external to the light transmission aperture, and generating symbol character data representative of the read code symbol. One or more light emitting diodes (LEDs) are disposed in the housing, for producing a visible illumination. Also, an optical-waveguide structure is disposed in the housing for coupling visible illumination produced from the one or more LEDs, so as to illuminate the region about the manually-actuated trigger switch, thereby causing the optically-translucent region about the manually-actuated trigger switch to glow and visually indicate where it is located on the hand-supportable housing.

Abstract: There is described an imaging apparatus having an imaging assembly that includes an image sensor. The imaging apparatus can capture a frame of image data having image data corresponding to a first set of pixels of the image sensor. The imaging apparatus can capture a frame or image data having image data corresponding to a second set of pixels of the image sensor.

Abstract: An image processing apparatus includes a first detecting unit and a second detecting unit. The first detecting unit detects a leading end portion of an information image based on a first criterion and a ratio of a width of a certain white image area in the information image to a width of a black image area being detected prior to the certain white image area. The second detecting unit takes one of the black image areas and white image areas as an image area of interest and detects a portion, other than the leading end portion, of the information image based on a second criterion and at least one of ratios of a width of the image area of interest to widths of black and white image areas being detected prior to the image area of interest.

Abstract: A device, methods and system for outputting selective rows of pixels from an image capture device. A command implemented by the image capture device of the form “Skip N, Out M” causes the image capture device to cycle through the all rows of pixels in the image capture device, outputting “M” sequential rows and skipping “N” sequential rows until all rows in the image capture device have been processed.

Abstract: There is provided in one embodiment an indicia reading apparatus having an integrated circuit that includes an image sensor array. The integrated circuit can output a pixel value output to represent an average of light incident on an adjacent set of pixels of the image sensor array.

Abstract: A card reader may be configured for reading a bar code on a card, regardless of whether the bar code is on a first side of the card or a second side of the card. The card reader may be implemented in a wager gaming machine or in another context. If a card has a bar code printed on the first side and decorative material printed on the second side, the card reader may be configured to read the bar code regardless of the card's orientation. The bar code may be a two-dimensional bar code. A controller of the card reader may be configured for determining whether the bar code contains player tracking account information and/or other information regarding a person associated with the card.

Abstract: A digital-imaging based system for and method of reading graphical indicia, including code symbols, on objects such as, but not limited to, code symbol menus by the user simply pointing his or her finger at the particular code symbol on the code symbol menu to be read, while digital images of the code symbol menu and the pointing finger are automatically captured, buffered and processed.

Abstract: Some embodiments of the present invention provide a system for estimating electrical power usage of commercially available devices utilizing a portable computing device equipped with a digital camera. In some embodiments, initial input to the system is accomplished by taking a digital photograph of an electrical device surface in order to capture text or other marks such as barcodes from which power usage of the device can be determined. In some embodiments OCR (optical character recognition) is used to retrieve text from the digital photograph. If successfully extracted from the captured text, power parameters such as voltage, amperes and watts are provided to the system user on the display of the mobile device. At this point an estimate of electrical device usage during a particular time period, such as a week, can be input into the system. The system will then calculate power usage over the specified time period for the electrical device and show the result on the system display.

Abstract: Provided is a code reading device capable of reducing a time from start of reading of a symbol code until a decoded result is transmitted to an external device. The code reading device includes first and second CPUs that access a shared memory, an imaging element that optically reads the symbol code to generate a read image, and a DMAC that transfers the read image from the imaging element to the shared memory. The first CPU decodes the read image in the shared memory based on a command of the second CPU. The second CPU selectively executes any one of an imaging control task, a decode control task, and a decoded result transmission task, in which the imaging control task is given priority over the decode control task, and the decode control task is given priority over the decoded result transmission task.

Abstract: The exemplary system requires a 2D barcode be located on an object, a portion of which is to be captured in an image. The module size of the 2D barcode is chosen to match the smallest feature to be preserved on the output image. While the target is moving with respect to the imager the 2D bar code is also moving and the resulting image is degraded. The imager will properly decode the 2D barcode only if the bar code is stationary (or moving very slowly) and hence will provide an acceptable image in the region of the 2D bar code.

Abstract: A method of unlocking restricted extended classes of features and functionalities embodied within an optical scanning system having an extended programming mode. The method involves providing an optical scanning system supporting baseline classes of features and functionalities, and having an extended feature class programming mode for programming extended classes of features and functionalities, in addition to the baseline classes of features and functionalities. A license key is assigned to the optical scanning system, for unlocking at least one of the extended classes of features and functionalities, and programming the optical scanning system to operate with at least one of the extended classes of feature and functionalities, in addition to the baseline classes of features and functionalities. A license is procured to unlock and use at least one of the extended classes of feature and functionalities, and obtaining said license key assigned to the optical scanning system.

Abstract: One embodiment of a method for identifying a codeword as an erasure in a Quick Response code (QR code) captured by a bar code reader includes, identifying the scrambling mask used for encoding the data in the QR code. A location of the codeword in the QR code corresponds with a portion of the scrambling mask. The codeword comprises multiple codeword bits and the portion of the scrambling mask comprises multiple mask bits. The method further includes, generating an unscrambled codeword by performing a logical operation between each of the multiple codeword bits and each of the multiple mask bits, generating a reference matrix by applying the scrambling mask to a uniform matrix, and/or comparing the unscrambled codeword with the reference matrix to determine whether the codeword is the erasure.

Abstract: An apparatus and method for decoding a matrix code symbol is disclosed. The apparatus includes an image processor configured to process an image corresponding to the matrix code symbol. The apparatus further includes a decoder configured to retrieve one or more encoded values from the matrix code symbol in response to the processing of the image corresponding to the matrix code symbol. The one or more encoded value includes one or more modified encoded values. The decoder is further configured to map each of the one or more modified encoded values with a corresponding predefined encoded value. A modified encoded value includes two or more digits of a corresponding predefined encoded value. The corresponding predefined encoded value is decoded by the decoder to determine a corresponding character.

Abstract: Disclosed is an identification symbol and system and method for reading in accordance with the present invention is preferably a two-dimensional, rectangular or square bar code symbol having a solid border, a tick-mark region adjacent to the solid border, a omni-directional reading and error detection and correction capability.

Abstract: The invention features a system and method to automatically focus an image reader using a single frame of image data. The method comprises exposing sequentially a plurality of rows of pixels in the image sensor. The method further comprising varying in incremental steps the focus of the image reader's optical system from a first setting where a distinct image of objects located at a first distance from the image reader is formed on the image sensor to a second setting where a distinct image of objects located at a second distance from the image reader is formed on the image sensor. As part of the method, the varying of the focus of the optical system occurs during the exposure of the plurality of rows of pixels.

Abstract: An identification display device which is provided in a work unit in which a plurality of work locations are arranged in rows, and which displays for identifying a designated location selected from the work locations, the identification display device includes a database which stores address information of the respective work locations; light-display section which is provided respectively on each of the work locations, and which emits a visible light which contains the address information of the work location in which the light-display section is arranged; a photoreceptor which transmits a photoreception signal which contains at least the address information contained in the light from the light-display section, when the light is received; and a confirmation section which receives the photoreception signal from the photoreceptor, and determines whether or not the address information contained in the photoreception signal matches the address information of the designated location obtained from the database.

Abstract: A system and method are provided for transferring data to a mobile device through animated barcodes. The mobile device scans, with a barcode reader, at least a first barcode and then scans at least a second barcode, whereby the barcodes are shown on a display. The display is in an open-loop relationship with the mobile device. The mobile device decodes the at least first and second barcodes to extract a first data portion and an associated first sequence identification, and a second data portion and an associated second sequence identification. The mobile device combines the first and second data portions according to the associated sequence identifications.

Abstract: An imaging system comprises a rolling-reset imager that forms an electronic image of an object, a light source illuminating the object with pulsed light, and a bandpass optical filter disposed between the object and the rolling-reset imager. The pulsed light has an illumination frequency spectrum and an illumination pulse width defining an effective exposure time for forming the image of the object. The bandpass optical filter has a frequency pass band permitting transmission of a significant portion of the illumination frequency spectrum while at least approximately inhibiting transmission of at least some light having frequencies outside the illumination frequency band. An imaging method illuminates an object with light in a given frequency range, so that the illumination light reflects from the object along with background light. The method filters the reflected light so as to attenuate at least some of the background light by a greater attenuation factor than the illumination light.

Abstract: According to one embodiment, a code reading apparatus includes an image pickup section, a detecting section, a size recognizing section, and a reading section. The image pickup section picks up an image. The detecting section detects, from the picked-up image, a two-dimensional code obtained by converting information concerning a transaction of a commodity. The size recognizing section recognizes the size of the detected two-dimensional code. The reading section reads the information from the detected two-dimensional code if the recognized size of the two-dimensional code is different from the size of a two-dimensional code recognized immediately before the recognition of the size of the two-dimensional code in the same transaction processing.

Abstract: There is described in one embodiment an imaging apparatus having an image sensor, and a plurality of operating states. Operation of the imaging apparatus can be differentiated between the operating states. In one operating state, the imaging apparatus can capture a frame of image data having image data corresponding to a predetermined number of pixels of the image sensor. The operating states of the imaging apparatus can be user selectable. There is described in one embodiment an apparatus having an image sensor operative to capture a relatively smaller sized frame, wherein a characteristic of light directed by an illumination assembly for capture of a relatively larger sized frame is determined utilizing the relatively smaller sized frame.

Abstract: This invention provides a point-of-sale scanning device that employs vision sensors and vision processing to decode symbology and matrices of information of objects, documents and other substrates as such objects are moved (swiped) through the field-of-view of the scanning device's window. The scanning device defines a form factor that conforms to that of a conventional laser-based point-of-sale scanning device using a housing having a plurality of mirrors, oriented generally at 45-degree angles with respect to the window's plane so as to fold the optical path, thereby allowing for an extended depth of field. The path is divided laterally so as to reach opposing lenses and image sensors, which face each other and are oriented along a lateral optical axis between sidewalls of the device. The sensors and lenses can be adapted to perform different parts of the overall vision system and/or code recognition process. The housing also provides illumination that fills the volume space.

Abstract: A computing device and method for reading a barcode captured with a color image sensor is disclosed. The barcode can have features and background that have equal brightness such that the barcode could not be decoded with known greyscale decoding techniques. The method for reading the barcode includes receiving color image values for each pixel of a captured image of a target barcode from a color image sensor, determining chrominance values for each pixel from the color image values, detecting edges based on the chrominance values to generate an edge-detected image that is provided to a greyscale barcode decoder to decode the information in the target barcode. The chrominance values can be based on the blue and red difference components from the YUV image format, and the U and V values can be combined using color temperature information.

Abstract: The invention in one embodiment is an optical reader having a plurality of imaging modules. In one method for operating a multiple imaging module reader of the invention, a second frame of image data captured via actuation of a second imaging module is automatically captured and subjected to decoding in the case an attempt to decode using a frame of image data captured via actuation of a first imaging module fails. In another embodiment, a frame of image data captured via actuation of an image sensor of a first module and actuation of illumination of a second imaging module is subjected to decoding. In another embodiment, frames of image data captured via actuation of image sensors of spaced apart modules are combined. The various modules of a multiple imaging module reader can be adapted to have different best focus positions so that a field depth of the reader is improved.

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: One or more techniques and/or systems are disclosed for detecting a quick response (QR) code. An area of an image comprising a QR code is localized by combining pixel dynamic scale (DS), black-cell ratio (BR), and edge intensity sum (EIS) criteria determination to identify the QR code. A pattern for the QR code is detected, comprising determining if a position detection pattern (PDP) is located in respective grid areas of a first grid that comprises the QR code, and identifying an alignment pattern (AP), if present. To identify the AP, an AP region is estimated using the PDPs, and a center area of the AP is found by examining respective areas of a second grid comprising the estimated AP region.

Abstract: In one form, an imaging system comprises an imager that forms an image of an object in a field of view, a rotationally symmetric lens assembly disposed between the imager and the object, and an equalizer. The rotationally symmetric lens assembly provides increased collection efficiency for a given depth of field, whereby the rotationally symmetric lens assembly causes aberration, compared to a well-focused lens. The rotationally symmetric lens assembly comprises a front negative lens, a rear positive lens, and an aperture positioned between the front and rear lenses. The equalizer, which is connected to the imager, receives image data and at least partially compensates for the aberration caused by the rotationally symmetric lens assembly.