Abstract: Example embodiments disclosed herein relate to feature based image registration. Feature based image registration determines correspondence between image features such as points, lines, and contours to align or register a reference or first image and a target or second image. The examples disclosed herein may be used in mobile devices such as cell phones, personal digital assistants, personal computers, cameras, and video recorders.

Abstract: A method for selecting a focus setting for a digital image acquisition appliance, the method comprising: acquiring a first image (350) with a first focus setting (100), acquiring a second image with a second focus setting (102), the second image being acquired sequentially with the first image, dividing the first image (350) into a first grid (104) of macroblocks (352), dividing the second image (106) into a second grid of macroblocks, determining a first zone (354) in the first grid of macroblocks and a second zone in the second grid of macroblocks (108) using a first predetermined selection criteria, calculating a macroblock shift (110) of the first zone with respect to the second zone to a sub-macroblock precision, calculating a first value of a figure-of-merit for the first image and a second value of the figure-of-merit for the second image (112), the first value being calculated using focus metric data obtained from macroblocks belonging to the first grid of macroblocks, the second value being calculate

Abstract: Example embodiments disclosed herein relate to feature based image registration. Feature based image registration determines correspondence between image features such as points, lines, and contours to align or register a reference or first image and a target or second image. The examples disclosed herein may be used in mobile devices such as cell phones, personal digital assistants, personal computers, cameras, and video recorders.

Abstract: An image is obtained of an identifying object that is on a printed document. A forensic signature is extracted from the image. Access to the extracted forensic signature profile is enabled via information encoded in the identifying object. The identifying object may be interpreted to access the forensic signature for comparison with another.

Abstract: First, second, and third image planes are obtained from at least one image sensor. The first image plane is formed from light of a first spectral distribution. The second image plane is formed from light of a second spectral distribution. The third image plane is formed from light of a spectral distribution which substantially covers the visible spectrum. First spatial frequency components are generated from the first, second and third image planes. A second spatial frequency component is generated from the third image plane. A color transform is applied to the first spatial frequency components from the first, second, and third image planes to obtain at least first, second and third transformed first spatial frequency image planes. The at least first, second and third transformed first spatial frequency image planes are combined with the second spatial frequency component from the third image plane to form an image.

Abstract: A method for model-based signature profile extraction includes capturing an image of an authentic glyph. An outline model is fit to the image of the authentic glyph, and an authentic signature profile is extracted based on the outline model. A signature profile extracted from an image of another glyph may be compared to the to the authentic signature profile so as to forensically verify authenticity of the other glyph The system for model-based signature profile extraction includes a controller, a capture unit, an outline unit, a profiling unit, and a forensic verification unit. A computer readable medium containing executable instructions is also described.

Abstract: Multiple images are combined where the images exhibit variations in illumination between one another. The images are of the same portion of an object, and each image is represented by a set of image data. A comparative data transform is applied to each set of image data, such that the transformed comparative image data isolates and preserves first variations in the illumination between the images but suppresses second differences in illumination between the images. At least one normalization transform is determined from the transformed comparative image data sets. When applied to at least one of the image data sets, the at least one normalization transform minimizes the variation in illumination between the image data sets. Each determined normalization transform is applied to the at least one of the image data sets. The normalized sets of image data are transformed to a single image of the portion of the object.

Abstract: A method of authenticating the identity of an item bearing or associated with a printed security marker, the method comprising: a. printing the security marker with a pattern that encodes at least one of a unique product identifier, a batch identifier, and positional information about a portion of the marker; b. scanning and storing an image of the security marker as printed, said image being taken at sufficiently high resolution to capture artifacts of the printing process; and authentication steps comprising: c. imaging a portion of the marker at sufficiently high resolution to capture the artifacts, and d. querying a data store by providing the image of the portion of the marker or a compressed or parameterized version of the image and data derived from the pattern.

Abstract: A method for selecting a focus setting for a digital image acquisition appliance, the method comprising: acquiring at least two images, the images being acquired with different focus settings; calculating a figure-of-merit for each of the images; calculate a normalization constant using the figure-of-merit calculated for each of the images; calculating a normalized figure-of-merit for each of the images by dividing the figure-of-merit of each image by the normalization constant; selecting the focus setting using the normalized figure-of-merit for each of the images and a predetermined selection criteria.

Abstract: A method for selecting a focus setting for a digital image acquisition appliance, the method comprising: acquiring a first image (350) with a first focus setting (100), acquiring a second image with a second focus setting (102), the second image being acquired sequentially with the first image, dividing the first image (350) into a first grid (104) of macroblocks (352), dividing the second image (106) into a second grid of macroblocks, determining a first zone (354) in the first grid of macroblocks and a second zone in the second grid of macroblocks (108) using a first predetermined selection criteria, calculating a macroblock shift (110) of the first zone with respect to the second zone to a sub-macroblock precision, calculating a first value of a figure-of-merit for the first image and a second value of the figure-of-merit for the second image (112), the first value being calculated using focus metric data obtained from macroblocks belonging to the first grid of macroblocks, the second value being calculate

Abstract: An image processing system includes: an image capture device operable to capture at least first and second images of an object at different exposures, a storage for at least part of the at least first and second images, a filter for splitting the at least first and second images into respective first and second spatial frequency components, the first frequency component being of lower frequency than the second, a selector for selecting local image intensity data from the second spatial frequency components of a region of the at least first and second images for combination with the first frequency component from the corresponding region of the first image, and a combiner for combining the selected local image data from the second spatial frequency components of the at least first and second images with the first spatial frequency component of the first image to form a final image.

Abstract: An image processing system, comprising a scanning device having at least first and second light sources for illuminating an object to be scanned, the second light source configured to emit light at a different frequency spectrum than the first light source, a scanned image of the object generated using light emitted by the first and second light sources, the system further comprising a processor, wherein image data representing at least two images of the object respectively generated using light from the first and second light sources is processed by the processor in order to decompose the images into component data representing respective higher and lower spatial frequency components, and wherein component data relating to at least the lower spatial frequency components for the first and second images is transformed in order to generate transformed data for the low spatial frequency components, and method.

Abstract: Disclosed are digital imaging devices that embody a method or algorithm for transitioning from a displayable focus process to a high speed focus process which can be displayed, and wherein the transition is accomplished in a seamless fashion. In addition, the digital imaging devices may embody a method for quickly verifying the focus quality of the image. If the focus quality is acceptable, the device indicates that focus is good and avoids a long auto-focus time.

Abstract: Provided is an image processing method comprising: obtaining first, second and third image planes from at least one image sensor, the first image plane formed from light of a first spectral distribution, the second image plane formed from light of a second spectral distribution and the third image plane formed from light of a spectral distribution which substantially covers the visible spectrum; generating first spatial frequency components from the first, second and third image planes; generating a second spatial frequency component from the third image plane; applying a color transform to the first spatial frequency components from the first, second and third image planes to obtain at least first, second and third transformed first spatial frequency image planes; combining the at least first, second and third transformed first spatial frequency image planes with the second spatial frequency component from the third image plane to form an image.

Abstract: Among various embodiments of the present disclosure, systems and methods for scan flow alignment are shown. A scan carriage can be aligned and used in a scan flow by selecting a scan starting location, determining a reference mark location, using the reference mark location as a coordinate system origin, moving the scan carriage from the coordinate system origin to the scan starting location, and performing a scan from the scan starting location to capture an image.

Abstract: An image processing system includes: an image capture device operable to capture at least first and second images of an object at different exposures, a storage for at least part of the at least first and second images, a filter for splitting the at least first and second images into respective first and second spatial frequency components, the first frequency component being of lower frequency than the second, a selector for selecting local image intensity data from the second spatial frequency components of a region of the at least first and second images for combination with the first frequency component from the corresponding region of the first image, and a combiner for combining the selected local image data from the second spatial frequency components of the at least first and second images with the first spatial frequency component of the first image to form a final image.

Abstract: A method of authenticating the identity of an item bearing or associated with a printed security marker, the method comprising: a. printing the security marker with a pattern that encodes at least one of a unique product identifier, a batch identifier, and positional information about a portion of the marker; b. scanning and storing an image of the security marker as printed, said image being taken at sufficiently high resolution to capture artefacts of the printing process; and authentication steps comprising: c. imaging a portion of the marker at sufficiently high resolution to capture the artefacts, and d. querying a data store by providing the image of the portion of the marker or a compressed or parameterised version of the image and data derived from the pattern.

Abstract: A method of generating an image of a portion of an object, the method comprising generating a plurality of images of the portion of the object, each image being represented by a respective set of image data, applying a comparative data transform to at least a portion of each set of image data such that the transformed comparative image data isolates variations in the illumination between the plurality of images, determining a plurality of normalisation transforms from the transformed comparative image data such that when applied to a respective one of the plurality of image data sets minimises the variation in illumination applying each determined normalisation transform to the respective set of image data and transforming the normalised sets of image data to a single image of the portion of the object.

Abstract: The present invention is directed to a business intelligence monitor method and system. Business intelligence indicators are monitored by generating a monitoring repository through selecting functions from a collection of functions, for receiving the business intelligence indicators as inputs. The thresholds for the business intelligence indicators are then established to define the states for the business intelligence indicators. Each state of the business intelligence indicators is assigned an associated priority. The monitoring repository is updated by retrieving a current value for each of the business intelligence indicators from a data source, thereby determining the state for each of the business intelligence indicators based on the current value. A report based on the updated monitoring repository is then created.

Abstract: Disclosed are digital imaging devices that embody a method or algorithm for transitioning from a displayable focus process to a high speed focus process which can be displayed, and wherein the transition is accomplished in a seamless fashion. In addition, the digital imaging devices may embody a method for quickly verifying the focus quality of the image. If the focus quality is acceptable, the device indicates that focus is good and avoids a long auto-focus time.