Abstract: A present invention is provided with a laser light source having a plurality of laser elements capable of scanning a plurality of lines in parallel in a sub-scanning direction at a second resolution, which is higher than a first resolution of an image to be formed in a main scanning direction, a multiplexer and a laser driver that set a scaling ratio of an image in the sub-scanning direction in response to the first and second resolutions and an image size for image forming, and perform control so as to select and drive any of the plurality of laser elements of the laser light source in response to the scaling ratio that has been set, and an image forming unit that forms on a print medium an image of lines scanned using laser elements driven by the laser driver.

Abstract: Systems and methods for filling panoramic images having valid and invalid pixel regions are provided. An invalid region is identified in an initial panoramic image. Pixel data of invalid pixels in the initial panoramic image are replaced with pixel data of pixels from a valid region in at least one nearby panoramic image to obtain a valid fill region.

Abstract: Photographs of an object may be oriented with respect to both the geographic location and orientation of the object by registering a 3D model derived from a plurality of photographs of the objects with a 2D image of the object having a known location and orientation. For example, a 3D point cloud of an object created from photographs of the object using a Photosynth™ tool may be aligned with a satellite photograph of the object, where the satellite photograph has location and orientation information. A tool providing scaling and rotation of the 3D model with respect to the 2D image may be used or an automatic alignment may be performed using a function based on object edges filtered at particular angles. Once aligned, data may be recorded that registers camera locations for the plurality of photographs with geographic coordinates of the object, either absolute latitude/longitude or relative to the object.

Abstract: Featured are methods and systems for reslicing-based nonrigid registration of multiparametric and modality images or objects. In such registration methods, global motion is modeled by multiple affine transforms (rigid), while local motion and slices matching is estimated using non-uniform radial reslicing of RTV to search for best match between reference volume slices and resampled target volume (RTV), orthogonally re-sliced to higher spatial resolution compared to the spatial resolution of the reference volume. The reference and target volumes can be in any plane and the method presented in this invention transfers them to target plane which can be any of axial, coronal, or sagittal and there is no need for the original and target scanning planes to be the same.

Abstract: A de-skew method of an image forming apparatus is provided which includes reading an image on a print medium fed through an automatic document feeder (ADF); detecting a leading edge of the print medium and calculating a skew angle of the read image; comparing the calculated skew angle to a first threshold and determining whether to perform a de-skew operation; and setting skew compensation levels based on the calculated skew angle and performing different de-skew operations according to the set skew compensation levels to output a de-skewed image when the absolute value of the calculated skew angle is equal to or greater than the first threshold.

Abstract: A device for automatically creating a photo album is disclosed. A face detection unit detects faces from an inputted image, an inclination determining unit determines an inclination of the inputted image based on inclinations of the faces, a temporary trimming reference area determining unit determines a trimming reference area containing one or more of the faces, a temporary trimming reference point determining unit determines a trimming reference point in the trimming reference area, an image rotating unit rotates the inputted image depending on the inclination of the inputted image, a trimming unit sets in the inputted image a layout frame of an image insertion area of a photo album template such that the layout reference point is positioned on the trimming reference point and the trimming reference area is contained within the layout frame and carries out trimming, and a template composition unit combines the trimmed area with the template.

Abstract: Aspects of the present invention are related to systems and methods for determining a skew angle associated with a document image. According to a first aspect of the present invention, a rotation vector may be estimated for at least one layer in a vertical-edge buffer and a horizontal-edge buffer. According to a second aspect of the present invention, a rotation vector may be estimated directly from the vertical-edge buffer and the horizontal-edge buffer using a fixed-sized, progressively constrained histogram.

Abstract: An imaging apparatus includes: an orientation sensor that detects orientation representing the direction in which the imaging apparatus is oriented; a controller that produces data formed of a captured image and attribute information associated with the captured image and records the data in a recording section; and the recording section that stores a captured image and attribute information, wherein the controller successively records an entry in a memory, the entry relating orientation information calculated by successively receiving a value detected with the orientation sensor to a time stamp representing the time at which the detected value is inputted from the orientation sensor, extracts a plurality of entries having time stamps close to the time at which the image was captured from the entries recorded in the memory, and calculates orientation information representing the direction in which the image was captured by using the plurality of pieces of orientation information in the extracted entries.

Abstract: An image processing apparatus includes: a division section for dividing input image data into portions; an orientation determining section for calculating reliabilities of directions of image data of each portion when the directions are regarded as orientations, and setting an orientation with the highest reliability as an orientation of each portion; a display control section for generating display image data including an image of a target portion whose reliability of an orientation is less than a predetermined value and images of designation regions from which a user's input to designate the orientation of the target portion is entered; and a character recognition section for recognizing characters of each portion in such a manner that the orientation is designated from the designation regions or set by the orientation determining section. This allows prompt recognition of characters of a portion whose reliability of orientation is low, in accordance with a right orientation.

Abstract: A method of determining the amount of mis-alignment in one direction of an image of a scene, the image captured by a first camera is described. The method comprising the steps of: defining a line between a first point in the image and a second point in the image, the line extending in the direction of mis-alignment; defining a reference section in the scene to which the image is to be aligned, the reference section of the scene having a reference image characteristic; identifying an image characteristic at different points along the line in the image; and comparing the image characteristic at each point along the line with the reference image characteristic, and determining the amount of mis-alignment by determining the distance between the position of the reference image characteristic of the reference section captured in the image and the defined reference section in the scene.

Abstract: A technique for efficient processing of annotations in images such as panoramic images is herein disclosed. In an embodiment, a first user annotation is received for a feature in a first panorama, and a second user annotation for the same feature is received in a second panorama. The coordinates for the feature can then be generated by computing the intersection between data generated for the first user annotation and for the second user annotations.

Abstract: A perimeter around a detected object in a frame of image data can be generated in a first coordinate system. The perimeter can be converted from the first coordinate system into a second coordinate system having the same aspect ratio as the first coordinate system. A first metadata entry can include dimensions of image data in the second coordinate system. A second metadata entry can provide a location and dimensions of the converted perimeter in the second coordinate space. Additional metadata can indicate matching objects between frames, position of an object relative to other objects in a frame, a probability that an object is correctly detected, and a total number of objects detected across multiple frames of image data.

Abstract: A reproducing apparatus, an image data reproducing method, a program, and a storage medium each detects an attitude state of the reproducing apparatus, extracts a part of an area of image data obtained by an image pickup device, and reproduces the part of the area of the extracted image data. According to the detection result, the part of the area of the image data is changed to another part of the area and rotation processing of another part of the area is performed, thereby reproducing the another part of the area which was subjected to the rotation processing.

Abstract: Various embodiments are disclosed for modifying stereoscopic images. One embodiment is a method implemented in an image processing device for modifying stereoscopic images. The method comprises retrieving, by an image processing device, a stereoscopic image having at least a first view image and a second view image and retrieving an orientation selection relating to the stereoscopic image, the orientation selection comprising a selection other than one of: a horizontal flip selection and a 180 degree rotation selection. The method further comprises calculating a depth map according to at least part of the stereoscopic image, rotating the first view image based on the orientation selection to obtain a rotated first view image, and generating a new second view image according to the depth map and the rotated first view image.

Abstract: Even when image data in which a top-bottom orientation has been recorded is transmitted to equipment that is provided outside a photographing apparatus and does not support an image rotation function, an image can be displayed in an appropriate top-bottom orientation. A photographing apparatus includes a photographing unit; an addition unit which adds data indicating a top-bottom orientation at the time of photography to image data of an image captured using the photographing unit and stores resultant image data, a transmission unit which transmits the image data to external equipment; and an editing unit which rotates the top-bottom orientation of the image corresponding to the image data prior to transmitting the image data to the external equipment.

Abstract: Spatial relationships are conveyed in three-dimensional ultrasound imaging. To transition a volume rendering from one view to another view, the transition is animated, showing rotation. For example, the user examines one diagnostic view, but decides to examine another diagnostic view. Upon selection of the other diagnostic view, the volume rendered image appears to rotate. The rotation from one view to another shows the spatial relationship between the views. The user may then examine the static volume rendering at the desired view with an appreciation of the relationship with the previously examined static view.

Abstract: A method of determining misalignment between a first image and a second image, the first and second images being viewable stereoscopically, the method comprising: determining a feature position within the first image and a corresponding feature position within the second image; defining, within the first image and the second image, the optical axis of the cameras capturing said respective images; and calculating the misalignment between at least one of scale, roll or vertical translation of the feature position within the first image and the corresponding feature position within the second image, the misalignment being determined in dependence upon the location of the feature position of the first image and the corresponding feature position of the second image relative to the defined optical axis of the respective images is described. A corresponding apparatus is also described.

Abstract: An image processing apparatus includes a count unit, a transform unit, a first calculation unit, a second calculation unit, and a binarization unit. The count unit counts the number of pixels of an original binary image. The transform unit transforms the original binary image into a transformed image based on a given transform level. The first calculation unit calculates the number of pixels of the transformed image, based on the given transform level and the number of pixels of the original binary image. The second calculation unit calculates a threshold level based on the number of pixels for each pixel value of the transformed image and the number of pixels of the transformed image. The binarization unit binarizes the transformed image based on the threshold level.

Abstract: Systems and methods for socially-based correction of tilted images. In an embodiment, the present invention levels tilted images by (1) receiving an image; (2) rotating the image by a random angle; (3) requesting at least one user rotate the image to level the image; (4) determining a collective user-suggested angle based on the rotations of each user; and (5) transmitting, over a communication network, a correction angle, where the correction angle is based on the random angle and the collective user-suggested angle.

Abstract: An imaging device includes: a reproduce control unit to reproduce an image imaged by an imaging unit in response to an input of an imaging instruction in a case where an attitude determination unit determines that a body of the imaging device has taken a specific attitude; and an inhibition control unit to inhibit the reproduce control unit from reproducing the imaged image, in a case where the attitude determination unit determines that the body of the device has not taken the specific attitude until a predetermined time elapses after the imaging instruction is inputted, even if the body of the imaging device has thereafter taken the specific attitude.

Abstract: The present invention provides an image processing apparatus for performing image processing of image data in which information specifying, on a first coordinate system, a position of a portion of interest in an image is recorded, including an image processing unit configured to perform rotation processing of the image data using a second coordinate system having an origin different from that of the first coordinate system, and a change unit configured to change the information specifying the position of the portion of interest in accordance with a rotation amount of the image data by the rotation processing such that an image of the portion of interest specified by the information specifying the position of the portion of interest after the rotation processing matches that before the rotation processing.

Abstract: An image processor includes a control unit, wherein the control unit includes an image obtaining unit that obtains an image including a document area corresponding to a document read by an image reader, an edge coordinate detecting unit that detects coordinate values of edge candidate pixels, a tilt calculating unit that calculates a tilt of the document area, or a tilt obtaining unit that obtains the tilt of the document area detected by a predetermined sensor, an edge end coordinate extracting unit that extracts a coordinate value of an edge end candidate pixel, a straight line calculating unit that calculates a straight line corresponding to the edge, and either one or both of a tilt correcting unit that corrects the tilt of the document area by rotating the document area, and an area clipping unit that clips the document area from the image.

Abstract: An image processing device that executes deformation of an image. A candidate area setting unit sets candidate areas, each of which includes a specific image, on a target image used as a target for a deformation process. An exclusion determination unit, when there is a candidate area that partially extends off a cropped image that is clipped from the target image through predetermined cropping, excludes the candidate area, which at least partially extends off the cropped image, from the target for the deformation process. A deformation processing unit performs deformation of an image on the candidate areas other than the excluded candidate areas.

Abstract: The present invention provides a method of correcting alignment of an image. The method includes identifying an image of a document, and detecting a plurality of lines within the image. The method also includes classifying at least a subset of the plurality of lines as either horizontal or vertical lines, and determining whether a variance exists within a subset of the plurality of lines. Furthermore, the method includes applying a corrective transformation to adjust the image, where the variance within the subset of the plurality of lines is at least partially reduced as compared to the variance prior to the application of the corrective transformation.

Abstract: A system and method for rotating a source image by a first non-zero angle is provided. The method includes: defining a template for the source image, the template representing a rotation of the source image about an axis of the source image by second angle, where the second angle is the negative of the first non-zero angle; determining overlap between the template and the source image; separating the template into a plurality of strips covering at least the area of overlap; and for each strip: indentifying an initial pixel in the source image within the strip and storing the image data of the initial pixel; storing the image data of all remaining pixels within both the strip and the overlap in a database format in which the all remaining pixels is defined by a Y and X offset from the initial pixel.

Abstract: A user interface system determines image display presentation characteristics using a displayed image parameter selection control providing image parameter selection data, responsive to the received cursor command data. The displayed image parameter selection control includes a shape having an origin and one or more different sectors associated with one or more corresponding different sets of parameters determining image color or grayscale characteristics and a linear element lying along a line from the origin to a perimeter of the shape and being rotatable about the origin, (a) within a sector to select a value within a range of values determining a first image display characteristic and (b) between sectors to select one of the different sets of parameters determining image color or grayscale characteristics. A display processor initiates display of an image having display presentation characteristics determined by the image parameter selection data.

Abstract: A method and apparatus for correcting a rotation of a video frame are described. According to a method, an amount of the rotation of the video frame with respect to a reference is determined. The rotation of the video frame is corrected based at least in part on the detected amount of the rotation of the video frame.

Abstract: A system for displaying hybrid image data produced by embedding additional media objects within street-level panoramic images includes a user interface through which a user may view, search for, and/or navigate through additional media objects in the context of browsing a virtual environment of a location at street level. In response to user input indicating a request to view a geographic location and/or an additional media object, street-level panoramic image data associated with the geographic location, in which one or more additional media objects also associated with the geographic location have been embedded, may be provided for display through the user interface. The user interface may be provided by a client device including one or more processors that receive hybrid image data produced by one or more processors of a server and display the image data to the user.

Abstract: Methods of analyzing three dimensional data sets obtained from a sample over time are provided. The methods include aligning first and second volume intensity projection (VIP) images based on at least one landmark in the first and second VIP images. The first and second VIP images are obtained from a first three dimensional data set obtained from the sample at a first time and a second three dimensional data set obtained from the sample at a second time, respectively.

Abstract: Tilt is reduced or eliminated in captured digital images. Edges in a first image are detected. Angles corresponding to the detected edges are determined. A dominant angle is selected from the determined angles. The first image is rotated according to the selected dominant angle to generate a second image. The second image is a de-tilted version of the first image.

Abstract: Characteristics of image data from a reading unit are unified for storage. The state of the image data is recognized and retained as auxiliary information. The auxiliary information is checked, and an image skew and the like are detected according to a target output format to perform a correction process. At that time, an optimum image processing path is selected for processing according to the state of implementation of hardware and software. A simple process can be performed at an image processing apparatus, while a complex process is performed at a network-connected PC. Since a unit configuration can be selected according to the purpose of image processing, processing can be performed with a simple configuration at high speed.

Abstract: An image processing apparatus which includes an image processing unit and a system control unit, wherein this system control unit adds information for determining an image height reference position of an image before cropping processing is performed to an image cropped by the image processing unit, and records the resultant image in an external storage device. Alternatively, information for determining an image height reference position of an image before rotation processing is performed is added to an image rotated by the image processing unit, and the resultant image is recorded in an external storage device.

Abstract: According to one embodiment, an image processing apparatus connected to an external memory and a cache memory. The apparatus includes a counter, a coordinate calculator, a tag checker, a pixel referring module, a pixel value calculator and an outputting module. The counter determines a converted coordinate according to a predetermined execution sequence. The coordinate calculator calculates a unconverted coordinate used to calculate a converted pixel value located at the converted coordinate. The tag checker generates a conversion request to calculate the converted pixel value with reference to an unconverted pixel located at the unconverted coordinate. The pixel referring module reads the unconverted pixel from the cache memory based on the conversion request when the unconverted pixel is stored in the cache memory. The pixel value calculator calculates the converted pixel value with reference to the read unconverted pixel.

Abstract: An acceptor device for sheet objects such as banknotes, comprises a sensor to derive data corresponding to a spatial array of data samples from a face of a sheet object, said data being configured in a sampling frame that lies within a range of positional relationships to a reference frame. The acceptor device also comprises a processor operable to process the data to determine the relationship between the reference frame and the sampling frame for the sensed data, and being operable to transform pre-selected regions of the sensed data from the sampling frame so as to correspond to data in the reference frame, and to make a comparison of the transformed data with reference data corresponding to the pre-selected regions in the reference frame and to the sheet object depending on the outcome of the comparison.

Abstract: Methods and apparatuses for providing dewarping and/or perspective correction of an input image are disclosed. Described embodiments include processing that provides dewarping and/or perspective correction by associating pixel values identified by input pixel addresses corresponding to an input image with output pixel addresses corresponding to an output image. An image processor having a storage circuit and an address mapping unit for determining a corresponding input pixel address from an output pixel address is also disclosed.

Abstract: A method for screening color separations of a lenticular image having a lenticular frequency of lenticular lenses for viewing the image, with a lens width l. An amplitude-modulated halftone image is calculated for each color separation at one screen angle with a rational number tangent and screen frequency. The screen has non-orthogonal screen cells spanned by vectors u, v for a specific color separation. A distance k is defined. Directions of vectors u, v relating to perpendicular direction relative to image strips of the lenticular image are defined for the specific color separation. First (n, m) and second (i, j) pairs of rational numbers are defined, to satisfy a system of equations: n*ux+m*vx=0, n*uy+m*vy=1, i*ux?j*vx=k and i*uy?j*vy=0 for vectors u=(ux, uy) and v=(vx, vy) spanning screen cells. A computer program product is also provided.

Abstract: A method of and an apparatus for automatically estimating the tilting angle in tilted images enables level correction of the images. A preferred orientation of objects in an image and the deviation of the current orientation from the preferred orientation is determined by tilt image analysis without object recognition. Tilt image analysis includes several steps such as gradient feature computation, line segment tracking, line segment estimation and orientation deviation estimation. Once the tilt angle is determined, the image can be corrected so that an object or scene is not tilted or is tilted by only the appropriate amount.

Abstract: The present invention provides an image processing apparatus which processes a scanned image in which a document image is shown, and includes a reliability determining section and a display control section. The reliability determining section determines reliability of coincidences of respective first through fourth directions with a first reference direction, the first through fourth directions being perpendicular to or reverse to each other, the first reference direction being an upward direction of the document image. The display control section creates markers indicating the respective first through fourth directions, and causes a display device to display a preview image in which the markers and the scanned image overlap each other. Further, the display control section causes the markers to be displayed in respective different ways by changing respective densities in accordance with the reliability.

Abstract: Briefly, in accordance with one or more embodiments, an image-processing system is capable of receiving an image containing text, applying optical character recognition to the image, and then audibly reproducing the text via text-to-speech synthesis. Prior to optical character recognition, an orientation corrector is capable of detecting an amount of angular rotation of the text in the image with respect to horizontal, and then rotating the image by an appropriate amount to sufficiently align the text with respect to horizontal for optimal optical character recognition. The detection may be performed using steerable filters to provide an energy versus orientation curve of the image data. A maximum of the energy curve may indicate the amount of angular rotation that may be corrected by the orientation corrector.

Abstract: The present invention provides an image processing apparatus for performing image processing of image data in which information specifying, on a first coordinate system, a position of a portion of interest in an image is recorded, including an image processing unit configured to perform rotation processing of the image data using a second coordinate system having an origin different from that of the first coordinate system, and a change unit configured to change the information specifying the position of the portion of interest in accordance with a rotation amount of the image data by the rotation processing such that an image of the portion of interest specified by the information specifying the position of the portion of interest after the rotation processing matches that before the rotation processing.

Abstract: Disclosed are FIFO type methods, systems and apparatus for electronically registering image data relative to a raster or other marking device. According to an exemplary method, a FIFO type data queuing configuration is provided, where the length of data memory segments associated with the FIFO are selected to correspond to the number of raster lines from the most upstream point of the physical raster to the point where the given pixel column intersects the physical raster.

Abstract: An imaging device capable of detecting and correcting, with high accuracy, the motion (image rotation) in the rolling direction of the image caused by the camera shake during imaging without being influenced by the individual variation, temperature characteristic, and variation with time of the sensor. To correct the motion (image rotation) in the rolling direction of the image caused by the camera shake during imaging, the result of detection of the angle of inclination of the device by an angle sensor (8a) is corrected with the result of detection of the angle of inclination of the image on the basis of the feature of the captured image by an image inclination detecting section (7), and the imaging device (3) is rotated around the optical axis or an axis parallel to the optical axis according to the corrected angle of inclination of the device.

Abstract: A method of automatically establishing the correct orientation of an image using facial information. This method is based on the exploitation of the inherent property of image recognition algorithms in general and face detection in particular, where the recognition is based on criteria that is highly orientation sensitive. By applying a detection algorithm to images in various orientations, or alternatively by rotating the classifiers, and comparing the number of successful faces that are detected in each orientation, one may conclude as to the most likely correct orientation. Such method can be implemented as an automated method or a semi automatic method to guide users in viewing, capturing or printing of images.

Abstract: This invention makes it possible to obtain an enlarged image while suppressing noise and maintaining the sharpness of an original image only by setting a simple enlargement ratio without no special knowledge. Original image data (Ia) is enlarged in accordance with a set enlargement ratio (E) to generate an enlarged image (IA). The enlarged image (IA) is smoothed by using a smoothing filter with a size depending on the enlargement ratio (E) to generate smoothed image data (IB). Difference image data (IC) is generated by calculating the difference between the enlarged image data (IA) and the smoothed image data (IB). The generated difference image data is multiplied by an emphasis coefficient. The product is added to the enlarged image data, thereby obtaining image data (IS) that has undergone enlargement/unsharp masking.

Abstract: There is disclosed a video encoder and corresponding method for encoding video data for an image block. The video encoder performs a mode decision by performing initial motion estimation on only a subset of possible block sizes to output motion information corresponding thereto, and determining, based upon the motion information corresponding to only the subset of possible of block sizes and upon other image-related analysis data, whether other block sizes are to be evaluated.

Abstract: Certain embodiments of the present invention provide an improved system and method for image file header configuration. Certain embodiments of the method include retrieving one or more criterion for configuration of an image orientation parameter, configuring the image orientation parameter based on the one or more criterion, obtaining image data, and storing the image data in an image file. The image file has a header portion including the image orientation parameter. In an embodiment, the image orientation parameter may be modified from a default configuration. The one or more criterion may include user preference, modality restriction, system preference, and/or rule, for example. The method may further include saving the image file with the configured image orientation parameter. Additionally, the method may include displaying an image according to the configured image orientation parameter. The image may be automatically oriented for display based on the configured image orientation parameter.

Abstract: The present disclosure relates to a method, system and computer-readable medium for providing image data. According to an exemplary embodiment, a method of providing image data includes storing a particular region on image data in association with a keyword, comparing conditional information with the keyword associated with the particular region, when receiving the conditional information from a user terminal unit, and controlling a display state of the image data to allow the particular region to be displayed on a screen of the user terminal unit. When a user inputs a keyword including content relating to a geographical feature or object, an actual shape of the geographical feature or object can be displayed on a screen of the user terminal unit.

Abstract: Systems, devices, and methods for facilitating the automatic identification, sorting, and positioning of radiographic images. According to one embodiment of the subject invention, phosphorous plates for intra-oral imaging are encoded for automated image set identification, location, and orientation. In certain embodiments, a processing system is able to process encoded identifiers on the phosphorous plates with digitized images depicted on the phosphorous plates to automatically identify, sort, and rotate the digitized images into proper orientations for user viewing.

Abstract: A method for ascertaining the axis of rotation of a vehicle wheel in which a light pattern is projected at least onto the wheel during the rotation of the wheel and the light pattern reflected from the wheel is detected by a calibrated imaging sensor system and analyzed in an analyzer device. Accurate and robust measurement of the axis of rotation and, optionally, of the axis and wheel geometry, in particular when the vehicle is passing by, is achieved in that a 3D point cloud with respect to the wheel is determined in the analysis and a parametric surface model of the wheel is adapted thereto; normal vectors of the wheel are calculated for different rotational positions of the wheel for obtaining the axes of rotation; and the axis of rotation vector is calculated as the axis of rotation from the spatial movement of the normal vector of the wheel.

Abstract: A method for rotating an image with which the image can be rotated with a small memory area, a program for rotation, a recording medium and a rotation device are provided. A memory area for storing image data is sectioned into a plurality of square image areas, one line among lines of a periphery of the memory area in an initial state is secured as a temporary storage area, the remaining area is secured as an image area, and an image in an initial state is rotated by performing rotation and movement of the image data in the memory area for each square unit via the temporary storage area.