Abstract: According to one embodiment, there is provided a code generation method including acquiring, and generating a code. In the acquiring, class information correlated with each of code rankings based on a plurality of different cell configurations is acquired. In the generating, a plurality of codes including the acquired class information are generated based on the cell configurations according to the code rankings. Each of the plurality of codes includes information indicating the presence or absence of a code of a next related ranking.

Abstract: A server is used to receive a barcode generation request sent by an end-user device. The server is used to generate, based on the barcode generation request, at least two pieces of barcode information by using at least two code systems, respectively. The server is used to transmit a barcode generation response to the end-user device, where the barcode generation response includes the at least two pieces of barcode information, where the barcode generation response causes an application running on the end-user device to display on the end-user device, alternately, a respective barcode image corresponding to each piece of the at least two pieces of barcode information.

Abstract: An apparatus, method, and computer readable medium that include accessing a frame buffer of a graphics processing unit (GPU), analyzing, in the frame buffer of the GPU, a frame representing a section of a stream of displayed data that is being displayed by an apparatus, identifying a reference patch that includes a unique identifier associated with an available area in which secondary digital content is insertable in the displayed data that is being displayed by the apparatus, decoding the encoded data of the unique identifier, retrieving the secondary digital content from the remote device based on the unique identifier, and overlaying the secondary digital content into the displayed data in accordance with the available area, the screen position, and the size identified by the unique identifier.

Abstract: An apparatus for capturing an image of at least one object appearing in an imaging field of view (FOV). A housing has an imaging sensor operably coupled with the circuit board, the imaging sensor configured to capture an image frame appearing in the imaging FOV and defining an imaging axis. An illumination assembly has a plurality of light sources operably coupled with the circuit board, a diffuser positioned adjacent to the plurality of light sources, the diffuser configured to generate a diffused light pattern, and a light pipe positioned adjacent to the plurality of light sources to generate a direct illumination pattern and an off-axis illumination pattern, wherein the direct illumination pattern is oriented generally parallel to the imaging axis and the off-axis illumination pattern is configured to intersect the imaging axis.

Abstract: Apparatuses, systems, and methods of manufacturing are described that provide improved tag identification. An example system includes a radio-frequency identification (RFID) scanner that receives a stream of RFID tags each associated with a respective article. The system further includes a first sensor attached to the RFID scanner that generates first positional data and a second sensor positioned separate from the first sensor that generates second positional data. The system also includes a computing device communicably coupled with the RFID scanner, the first sensor, and the second sensor. The computing device receives the stream of RFID tags, receives first positional data from the first sensor, receives second positional data from the second sensor, and determines an intended RFID tag from amongst the stream of RFID tags based upon the first positional data and the second positional data.

Abstract: A method and apparatus for decoding codes applied to objects for use with an image sensor that includes a two dimensional field of view (FOV), the method comprising the steps of providing a processor programmed to perform the steps of obtaining an image of the FOV and applying different decode algorithms to code candidates in the obtained image to attempt to decode the code candidates wherein the decode algorithm applied to each candidate is a function of the location of the code candidate in the FOV.

Abstract: The invention provides a method for acquiring an image of a target code, which allows the CMOS sensor, after the reader has been triggered to acquire a target code, to rapidly determine, and internally, a desirable exposure-time value Topt for the image capture of this code.

Abstract: A code reader may include a light source configured to illuminate a machine-readable indicia representative of a standard code associated with an item. An image sensor may be configured to receive an image of the machine readable indicia. An illumination source may be configured to illuminate an anti-counterfeiting key that, when illuminated by the illumination source, reflects the illumination from the illumination source to be incident on the image sensor. A processing unit may be in electrical communication with the image sensor, and may be configured to decode the standard code of the machine-readable indicia and check validity of the reflected illumination from the anti-counterfeiting key.

Abstract: Method and system for calculating a height map of a surface of an object from an image stack in scanning optical 2.5D profiling of the surface by an optical system, a focal plane is scanned at different height positions with respect to the object surface. An image is captured at each height position of the focal plane to form the image stack. The scanning of the focal plane comprises long range sensing and short range sensing a displacement of the focal plane for sensing low and high spatial frequency components. The height position of the focal plane is estimated by combining the low and high spatial frequency components. A height position of each image in the image stack is calculated, based on the estimated height position of each respective focal plane. The images of the image stack are interpolated to equidistant height positions for obtaining a corrected image stack.

Abstract: A stereoscopic 3D imaging system includes multiple imaging sensors with adjustable optics. The adjustable optics are variable to alter the FOV of each of the multiple imaging sensors to improve angular resolution of the imaging system.

Abstract: Approaches and devices for processing a machine-readable link in the event of a failed scan are described. In one example, the processing may alter an image attribute corresponding to each image within the set of images, process the set of images with the altered image attribute to ascertain presence of the machine-readable link; and obtain an operational indication, wherein the operational indication is to aid a user of a computing system for subsequently scanning another machine-readable link.

Abstract: A barcode identification method includes generating a binarization barcode by using a binarization process from a sampled barcode, acquiring a first region from the binarization barcode, acquiring a first narrow element width from the first region, acquiring a second region from the binarization barcode, acquiring a second narrow element width from the second region, generating an extension region by extending the second region when the second narrow element width is smaller than the first narrow element width, generating a plurality of binarization sequences corresponding to the extension region, decoding at least one of the binarization sequences for generating at least one decoded sequence by using a lookup table, and verifying the at least one decoded sequence for generating a verified sequence by using a checksum code.

Abstract: An image acquisition apparatus includes a fiber optic member including optical fibers, and transmitting an optical image from an input end face to an output end face, an imaging device including pixels, imaging the optical image from the output end face, and outputting an image, and an image processing device performing flat field correction of a fixed pattern noise for the image from the imaging device. The image processing device sets a first switching point of the correction on the basis of a noise peak point, performs the flat field correction in a case where output intensity from an object pixel of the image is lower than first switching intensity at the first switching point, and does not perform the correction in a case where the output intensity is higher than the first switching intensity.

Abstract: Exemplary embodiments are directed to biometric analysis systems including one or more illumination sources configured to provide dim illumination to a scene including an object and configured to provide flash illumination to the object in the scene. The biometric analysis systems include a rolling shutter camera configured to capture one or more images. The biometric analysis systems include an adaptive trigger module configured to analyze the scene to detect the object in the scene during dim illumination of the scene, determine a position in a frame of the rolling shutter camera that coincides with the detected object in the scene, and arrange a delay between a start of image writing by the rolling shutter camera and a trigger of the one or more illumination sources such that a stripe of the flash illumination coincides with the detected object in the scene.

Abstract: An image acquisition apparatus includes a fiber optic member including optical fibers, and transmitting an optical image from an input end face to an output end face, an imaging device including pixels, imaging the optical image from the output end face, and outputting an image, and an image processing device performing flat field correction of a fixed pattern noise for the image from the imaging device. The image processing device sets a first switching point of the correction on the basis of a noise peak point, performs the flat field correction in a case where output intensity from an object pixel of the image is lower than first switching intensity at the first switching point, and does not perform the correction in a case where the output intensity is higher than the first switching intensity.

Abstract: The present invention is a Miniature Vein Enhancer that includes a Miniature Projection Head. The Miniature Projection Head may be operated in one of three modes, AFM, DBM, and RTM. The Miniature Projection Head of the present invention projects an image of the veins of a patient, which aids the practitioner in pinpointing a vein for an intravenous drip, blood test, and the like. The Miniature projection head may have a cavity for a power source or it may have a power source located in a body portion of the Miniature Vein Enhancer. The Miniature Vein Enhancer may be attached to one of several improved needle protectors, or the Miniature Vein Enhancer may be attached to a body similar to a flashlight for hand held use. The Miniature Vein Enhancer of the present invention may also be attached to a magnifying glass, a flat panel display, and the like.

Abstract: In an image analyzing apparatus, a controller acquires target image data representing a target image having a code image. The code image includes N number of code elements arranged in a first direction. N is an integer equal to or greater than 2. Each of the N number of code elements has two first sides parallel to a second direction orthogonal to the first direction. The controller specifies outline pixels configuring respective outlines of the respective N number of code elements from. The controller specifies a target inclination by analyzing the outline pixels. The target inclination indicates an inclination of the N number of code elements in the target image. The controller specifies a distance between two first sides of each of N number of code elements. The controller determines a representation form of the code image using the distances.

Abstract: An optical code reader includes centralized decoding circuitry communicatively couplable to an expandable set of camera modules placed at spaced-apart locations of the optical code reader. A number of and locations for members of the expandable set of camera modules establish application-specific and scalable read zone coverage formed from multiple fields of view of the members.

Abstract: The present invention is a Miniature Vein Enhancer that includes a Miniature Projection Head. The Miniature Projection Head may be operated in one of three modes, AFM, DBM, and RTM. The Miniature Projection Head of the present invention projects an image of the veins of a patient, which aids the practitioner in pinpointing a vein for an intravenous drip, blood test, and the like. The Miniature projection head may have a cavity for a power source or it may have a power source located in a body portion of the Miniature Vein Enhancer. The Miniature Vein Enhancer may be attached to one of several improved needle protectors, or the Miniature Vein Enhancer may be attached to a body similar to a flashlight for hand held use. The Miniature Vein Enhancer of the present invention may also be attached to a magnifying glass, a flat panel display, and the like.

Abstract: A system and method for partite optically readable codes are provided. The method includes: scanning at least one component of the partite optically readable code, wherein the partite optically readable code comprises of at least two components; determining whether the remaining components of the partite optically readable code are accessible; combining all the components of the partite optically readable code; and decoding the partite optically readable code. The system includes: a scanning module configured to retrieve a component of a partite optically readable code, wherein the partite optically readable code comprises at least two components; and a code module configured to receive the component from the scanning module, the code module further configured to determine whether the remaining components of the partite optically readable code are accessible, to combine the components of the partite optically readable code, and to decode the partite optically readable code.

Abstract: The present disclosure illustrates an optical navigation apparatus with defocused image compensation function and a compensation circuit thereof. The optical navigation apparatus comprises a light source, an image sensing circuit and a compensation circuit. The light source is configured to illuminate a work surface. The image sensing circuit captures a first image related to the work surface. The compensation circuit is configured to transform the first image and a point spread function of the light source into a first conversion result and a second conversion result in frequency domain, respectively, and then transform a result multiplied by the first conversion result and a reciprocal of the second conversion result from frequency domain to time domain to generate a second image.

Abstract: This image acquisition device comprises: a specimen stage on which a specimen as a target of image acquisition is to be mounted; a micro-use light source having a light emitting device and a heat dissipator for dissipating heat generated by the light emitting device, and emitting light to the specimen; an objective arranged so as to be opposed to the specimen on the stage, as a light-guide optical system for guiding an optical image of the specimen; a micro image acquisition unit configured to capture the optical image of the specimen thus guided; and a micro-use light source controller configured to control the light emitting device so as to implement the emission of light by the micro-use light source, during a standby period between image acquisition periods of capturing optical images of a plurality of specimens.

Abstract: An optical path folding element includes an incident surface, a path folding surface and an exiting surface. The incident surface allows a light ray to pass into the optical path folding element. The path folding surface folds the light ray from the incident surface. The exiting surface allows the light ray to pass through and depart from the optical path folding element. At least one of the incident surface and the exiting surface includes an optical effective portion and at least one engaging structure symmetrically disposed around the optical effective portion. The engaging structure includes an annular surface portion and an inclined surface portion. The annular surface portion surrounds the optical effective portion, and the inclined surface portion is located between the annular surface portion and the optical effective portion. An angle between the annular surface portion and the inclined surface portion satisfies a specific condition.

Abstract: In a two-dimensional code generation device (100), a white point determiner (111) determines a white point in an environment to output a two-dimensional code. A threshold acquirer (112) acquires a threshold of lightness used by a reading device for reading multiple cells in binary, the threshold being represented in a device-independent color space that is based on the white point determined by the white point determiner (111). A two-dimensional code generator (113) generates a two-dimensional code expressing information by a distribution pattern of multiple cell dots formed by coloring the multiple cells in a color of lightness equal to or higher than the threshold acquired by the threshold acquirer (112) and in a color of lightness lower than the threshold.

Abstract: A trailer monitoring system is provided herein. The system includes an imager configured to image a scene rearward of a vehicle and containing a target disposed on a trailer attached to the vehicle. The imager is configured separate the images into a first portion and a second portion. A display is configured to display the first portion of images. A controller is configured to analyze the second portion of images, adjust an image capture setting of the imager based on a status input, and modify each image in the second portion to increase the size of the imaged target relative to the total size of the captured image to determine at least one trailer related information.

Abstract: A network accessible node facilitates management of a fleet of portable communication devices (EIR terminal), including portable data terminals and/or barcode readers, by directing performance of software upgrade and/or configuration update actions by one or more members of the fleet of EIR terminals. The node can be configured for use in managing the reprogramming of the one or more EIR terminals. In one embodiment, the node can be disposed in a common local facility and connected to a common local area network with the at least one EIR terminal.

Abstract: An indicia reader that utilizes its image sensor for more than one function is disclosed. The image sensor's functionality is derived by designating areas on the image sensor according to function and then filtering the light focused onto each area according to the area's particular function. The data (i.e., pixel information) from each area may then be processed accordingly to facilitate a variety of functions such as image capture and object detection.

Abstract: A projection system includes first and second illumination sources and a homogenizer component. The first illumination source has a first numerical aperture value. The second illumination source has a second numerical aperture value lower than the first numerical aperture value. The homogenizer component on the illumination path is configured to receive light from both the first and second illumination sources. A projection lens in the imagining path is configured to receive an image data stream that includes a sequence of image frames having an image frame period. The first and second illumination sources are configured for modulation at a rate equivalent to the image frame period. One or more active irises may perform the modulation.

Abstract: A projector control apparatus that causes plural projectors to collectively project an image by individually projecting a different one of segment images into which the image is divided, the apparatus including: a spatial distribution information obtaining unit which obtains information indicating a distribution of one or more viewers that view the image in a space where the projectors are mounted; a mode selecting unit which selects, using the information indicating the distribution of the one or more viewers, one of modes including (i) a first mode in which a width of a projection area is a first width and (ii) a second mode in which the width of the projection area is a second width larger than the first width; and a projector control unit which changes arrangement of the segment images by controlling each of projection directions according to the mode selected.

Abstract: An array of pixels of a solid-state imaging sensor having a rolling shutter is sequentially exposed to capture images from an illuminated DPM target over successive frames for image capture by an imaging reader. The DPM target is illuminated at an elevated output power level for a fractional time period of a frame, and is not illuminated for at least a portion of a remaining time period of the frame for increased energy efficiency. Only a sub-array of the pixels is exposed during the fractional time period in which the DPM target is being illuminated at the elevated output power level.

Abstract: A system for selectively reading code symbols includes a code-symbol-capturing subsystem for acquiring information about code symbols within the code-symbol-capturing subsystem's field of view. The system also includes a code-symbol-decoding processor that detects a marked region of interest within the code-symbol-capturing subsystem's field of view. After initialization, the code-symbol-decoding processor decodes only those code symbols falling within the marked region of interest.

Abstract: An array of pixels of a solid-state imaging sensor having a rolling shutter is sequentially exposed to capture images from an illuminated target over successive frames for image capture by an imaging reader. The target is illuminated at a peak output power level for a fractional time period of a frame, and is not illuminated for at least a portion of a remaining time period of the frame for increased energy efficiency. Only a sub-array of the pixels is exposed during the fractional time period in which the target is being illuminated at the first output power level.

Abstract: Marking comprising on a surface: a first pattern for coding a first numerical information item on said surface, the first pattern comprising a specific arrangement of a plurality of symbols belonging to a set of symbols, each symbol in the arrangement being intended for the coding of a portion of said numerical information item, each symbol including at least one differential pair of elements positioned in a specific way, each element having a parameter, the parameter of the first element of each differential pair having a first value and the parameter of the second element of each differential pair having a second value different from the first value, a second pattern for coding a second numerical information item on said surface, wherein the first and second pattern are adapted to be read under corresponding distinct first and second reading conditions.

Abstract: This invention provides a system and method for decoding symbology that contains a respective data set using multiple image frames of the symbol, wherein at least some of those frames can have differing image parameters (for example orientation, lens zoom, aperture, etc.) so that combining the frames with an illustrative multiple image application allows the most-readable portions of each frame to be stitched together. And unlike prior systems which may select one “best” image, the illustrative system method allows this stitched image to form a complete, readable image of the underlying symbol. In an illustrative embodiment the system and method includes an imaging assembly that acquires multiple image frames of the symbol in which some of those image frames have discrete, differing image parameters from others of the frames.

Abstract: A code reading device is equipped with a region extracting unit 2, which divides a photographed image of a bar code into a plurality of horizontal areas, and extracts readable regions from the horizontal areas respectively, and a region coupling unit 4, which couples the extracted regions to restore the whole bar code. Even if an unreadable portion occurs in a part of the bar code, a plurality of readable regions are extracted as parts of the barcode and those regions are coupled to restore a bar code the entirety of which can be read. Consequently, it is possible to accurately read a bar code having dirt or containment of illumination light partially.

Abstract: A trigger assembly including a cylindrical pivot shaft having a pivot-shaft longitudinal axis; a trigger key having a front face, a back face opposite the front face, an actuator extending from the back face, and a trigger-key longitudinal axis, wherein the a first end on the of the trigger key has a plurality of through holes arranged to receive the cylindrical pivot shaft; a trigger-key support having an aperture for the actuator to pass through, the trigger-key support further having a plurality of pivot-shaft supports, wherein each pivot-shaft support includes a concave surface configured to receive the cylindrical pivot shaft; and a trigger bezel having a plurality of substantially flat surfaces positioned to constrain the pivot shaft in opposition to the plurality of pivot-shaft supports, wherein the substantially flat surfaces are located at different positions along the pivot-shaft longitudinal axis than are the pivot-shaft supports.

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: A positioning method of a photoelectric conversion device (an imaging device) includes irradiating an optical member with light and receiving light which passes through an opening of a light shielding member and the optical member with the photoelectric conversion device. The photoelectric conversion device is moved in a direction orthogonal to an optical axis of the optical member and a first position at which the photoelectric conversion device detects a side of an opening and a second position at which the photoelectric conversion device detects another side opposing the side are acquired. A position of the photoelectric conversion device at which a center of the opening and a center position of the photoelectric conversion device are aligned based on the first position and the second position is determined. The photoelectric conversion device is fixed at the determined position.

Abstract: Software is provided for functioning in conjunction with a plurality of mission stores and for assisting a pilot of a vehicle with release of the mission stores to achieve a specified number of mission objectives. Each of the plurality of mission stores may be designated for communication with a separate mission reference point or target. The targets may be grouped within a common target area. The software provides processor-executable instructions for determining acceptable timing and location for release of the plurality of mission stores, such as within the common target area, and such that the mission stores achieve communication with the respective mission reference points. The processor-executable instructions calculate and identify a common release area within the common target area, such as a composite launch acceptability region of overlap of separate target regions of each mission store, in addition to identifying an entrance and exit point of the composite region.

Abstract: A network accessible node facilitates management of a fleet of portable communication devices (EIR terminal), including portable data terminals and/or barcode readers, by directing performance of software upgrade and/or configuration update actions by one or more members of the fleet of EIR terminals. The node can be configured for use in managing the reprogramming of the one or more EIR terminals. In one embodiment, the node can be disposed in a common local facility and connected to a common local area network with the at least one EIR terminal.

Abstract: A method and system for reading code symbols using a code symbol reading system having a programmable decode time-window filter mode of operation. During this mode of operation, only decoded code symbols that have been scanned within a selected (e.g. central) portion of the laser scan line field are processed according to a special decode time-window filtering function. In particular, if the decoded bar code symbol is a programming-type bar code symbol, then the system controller applies the function represented by the programming-type bar code symbol; and if the decoded bar code symbol is a non-programming-type bar code symbol, then the system controller either transmits symbol character data associated therewith to the host system or stores the symbol character data within memory aboard the bar code symbol reading system.

Abstract: A variety of forms of machine-readable symbols are disclosed, as well as methods and systems of constructing machine-readable symbols, methods and systems of acquiring machine-readable symbols, and methods and systems of decoding machine-readable symbols.

Abstract: Retroreflective articles comprise a substrate and a bar code provided on the substrate. The bar code comprises at least one human-readable information which provides framing information and a machine-readable information which provides variable information. The human-readable information is visible under a first condition and invisible under a second condition, and the machine-readable information is invisible under the first condition and visible under the second condition.

Abstract: To prevent misreading of barcodes and to allow accurate outputting of bar data even when an element is damaged or blurred, an optical information reading device containing a computation means 23a for adding widths of 6 elements containing a bar and a space that are adjacent within one character to derive respective patterns of 2- through n-element added widths and for converting each of the patterns of 2- through n-element added widths into the module number for one character to obtain the module numbers of the patterns of the 2- through n-element added widths; an extraction means 23b for narrowing down the target characters to extract a candidate character wherein the target character is that each module number of the 2- through n-element widths is an integer with an error equal to or less than 1; and a search means 23d for comparing the extracted candidate character, having the module numbers of the patterns of the 2- through n-element added widths with the expected value character for evaluating the candid

Abstract: Systems and methods for reducing the likelihood of false positive decodes within a set of barcodes are disclosed. The method can be implemented in a computing device, which includes: providing a list of barcode configurations that meet damage tolerance criteria; reducing, if possible, each configuration list to barcode configurations that have a compatible configuration pair between sets; and comparing all possible combinations of barcode type configurations to find at least one set of configurations that are resistant to false positives decodes between barcode types during decoding processes.

Abstract: Sharing data between applications includes a first application converting data from a first format useable by the first application to a second format useable by a second application and the first application providing editing restrictions to restrict the second application from editing at least some of the data in the second format. At least some of the editing restrictions may prohibit editing at least some of the data by the second application. The user may receive a notification in connection with attempting to edit at least some of the data indicating that editing is prohibited. At least some of the restrictions may provide a warning to a user of the second application. The user may choose to edit the restricted data after receiving the warning.

Abstract: In a system and method of estimating and classifying a barcode using heuristic and statistical measures, a classification determination is generated for each of a plurality of estimated barcode digits that correspond to a decoded barcode estimation. The classification determination is selected from one of a first classification determination and a second classification determination. The first classification determinations among a plurality of estimation determinations are aggregated. The aggregated first classification determinations are compared to a first predetermined threshold to determine a validity of the decoded barcode estimation.

Abstract: This invention overcomes the disadvantages of the prior art by providing a system and method for reading symbology, and more typically linear barcodes (“symbols”) that employs trained attributes that remain invariant between scans of different barcodes during runtime to tune various aspects of the procedure for locating and decoding such barcodes. The procedure relies upon a training step in which one or more exemplary barcodes are decoded and the invariant attributes for such barcodes, including, but not limited to, size, shape, relative angle in the image field of view and resolution are stored. The runtime decoding procedure then employs these attributes to constrain the search for subsequent, scanned barcodes and then decode it according to a plurality of tuned steps.

Abstract: In a system and method of recognizing a barcode from a stream of video frames, a processor-implemented camera module receives a stream of video frames, with at least one video frame including a barcode. A processor-implemented barcode blur estimate module estimates an amount of defocus blur in a video frame. The processor-implemented barcode blur estimate module further estimates an identity of the barcode. A processor-implemented barcode localization module identifies a region of the video frame containing the barcode. A processor-implemented barcode geometric modeler module generates a geometric model of the barcode that includes an identified barcode deformity. A processor-implemented barcode decoder module decodes the barcode from the video frame using the estimated amount of defocus blur, the estimated identity of the barcode, and the geometric model of the barcode.

Abstract: A method for encoding and decoding color barcodes to increase their data capacity. The encoding steps include determining a shape, a foreground color and a background color for each data cell, wherein a combination of the shape, foreground and background colors for the data cell is chosen from a plurality of such combinations in accordance with a value of the digital data to be encoded; and coloring some pixels in the data cell with a foreground color and other pixels with a background color, in accordance with the shape, foreground and background colors for the data cell determined above. The decoding steps include segmenting the data cells, recognizing a shape, a foreground color of the shape and a background color of the data cell, and obtaining digital data from a combination of the shape and foreground and background colors in each data cell.