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Class 382/201 - Point features (e.g., spatial coordinate descriptors)


Subclass of Class 382 - Image analysis
Definition: Subject matter including any of the following: an image
No. of patents: 167
Last issue date: 02/21/2012


1          
NumberTitleIssue Date
8121416System and method for determining inflection points in an image of an object
A system and method for determining inflection points in an image of an object includes obtaining the image of the object, performing binary image processing on a border of the image to obtain border points, selecting a predetermined number of the border points to f...
02/21/2012
7953280Anomalous change detection in imagery
A distribution-based anomaly detection platform is described that identifies a non-flat background that is specified in terms of the distribution of the data. A resampling approach is also disclosed employing scrambled resampling of the original data with one class ...
05/31/2011
7653247System and method for extracting corner point in space using pixel information, and robot using the system
A system and method for extracting a corner point in a space using pixel information obtained from a camera are provided. The corner point extracting system includes a light generation module emitting light in a predetermined form (such as a plane form), an image ac...
01/26/2010
7630555Position and orientation measuring method and apparatus
A position and orientation measuring apparatus includes an inside-out index detecting section that can obtain an image from an imaging apparatus and detect an index provided on a measuring object body, an outside-in index detecting section that can observe and detec...
12/08/2009
7587088Method and apparatus for image processing
The methods and apparatuses determine contour points from image data and carried out a segmentation process on the basis of the contour points, during which associated contour points are combined to form objects for further processing. ...
09/08/2009
7437003System and method for handling electronic ink
A set of source points that represent a stroke input of a user is identified. The set of source points may be refined and/or modified. The set of refined/modified source points may then be stored in memory for decoding and recreation of a stroke representation. Addi...
10/14/2008
7428336Efficient detection of constant regions of an image
A technique that improves image analysis efficiency by reducing the number of computations needed to detect constant regions. Constant region detection according to the present techniques includes determining whether an image analysis window at a current position co...
09/23/2008
7418141Method, apparatus, and computer-readable medium for identifying character coordinates
Methods, apparatus, and computer-readable mediums for recognizing or identifying the location of characters within a computer image or display are provided. These methods, apparatuses, and computer-readable mediums make use of dynamic link libraries (“DLLs”) and...
08/26/2008
7408536Device and method for communication
A product for electronic transmission of handwritten information, a user unit for recording and sending the information, and a computer program for controlling a user unit are disclosed. The product may include at least one writing area for the handwritten informati...
08/05/2008
7400747Method and apparatus for representing moving objects in a sequence of images
A method of representing motion of an object appearing in a sequence of images comprises deriving for each image a set of representative points representing the location of the object, deriving an approximate function representing the trajectory of a representative ...
07/15/2008
7400768Enhanced optical recognition of digitized images through selective bit insertion
The present invention describes a process for enhancing optical recognition of text in scanned documents. Prior to performing optical recognition for identification of text in scanned documents, a preprocessing algorithm identifies locations of noncontiguity in char...
07/15/2008
7397948System and method for image and video segmentation by anisotropic kernel mean shift
Mean shift is a nonparametric estimator of density which has been applied to image and video segmentation. Traditional mean shift based segmentation uses a radially symmetric kernel to estimate local density, which is not optimal in view of the often structured natu...
07/08/2008
7386172Image recognition method
In a pattern recognition section of a digital color copying machine, a position analysis section successively selects, in units of a predetermined number, position data of rectangular regions stored in a position information memory, calculates distances between the ...
06/10/2008
7376251Electronic image evaluating device and evalution method
An electronic image evaluating device includes at least one area sensor that is provided with a plurality of photosensitive pixels. Each of these pixels will emit an electric output signal in response to the light input signal that it receives. The intensity of the ...
05/20/2008
7343048Edge based alignment algorithm
A method for aligning images includes (1) selecting a pair of overlapping pixels when two second image are aligned with a camera motion; (2) if both pixels are edge pixels, incrementing a correlation value between the two images for the camera motion; (3) if only on...
03/11/2008
7336401Systems and methods for estimating an image marking process using event mapping of scanned image attributes
Methods and systems used to automatically identify the marking process used for an image on a substrate based on spatial characteristics and/or color of the image. Image types which are classified and identified include continuous tone images and halftone images. Am...
02/26/2008
7333649Measurement processing apparatus for geometrically measuring an image
An measurement processing apparatus for efficiently measuring geometric data of an image is provided. A reference-image outputting means forms a reference-image based on an image that has been previously measured as well as a setting order data which indicates a sug...
02/19/2008
7317836Pose estimation based on critical point analysis
Methods and systems for estimating a pose of a subject. The subject can be a human, an animal, a robot, or the like. A camera receives depth information associated with a subject, a pose estimation module to determine a pose or action of the subject from images, and...
01/08/2008
7305124Method for adjusting image acquisition parameters to optimize object extraction
A method for adjusting image acquisition parameters to optimize object extraction is disclosed, which is applied to an object characterized by forming a specific cluster in a color coordinate space after performing a coordinate projection, and thus the specific clus...
12/04/2007
7298900Image processing method, image processing apparatus and image processing program
The present invention relates to an image processing method, an image processing apparatus and an image processing program for dealing with inverted characters (outlined characters) constituted by white pixels on a black ground in a tree structure same as that of no...
11/20/2007
7289147Method for providing image alignment feedback for panorama (composite) images in digital cameras using edge detection
Digital cameras and methods that provide improved image alignment for panorama image capture. The present invention identifies features that will likely be used by a stitching algorithm, and highlights those features for a user by superimposing them on top of a “l...
10/30/2007
7251278Procedure and system for performing motion estimation
A method and system for performing motion estimation in video image compression is provided. In the method and system, an associative memory device is used in motion estimation, and the group of the image blocks to be processed is restricted on the basis of a mean e...
07/31/2007
7239752Extendable tracking by line auto-calibration
Methods and systems for tracking camera pose using dynamically calibrated line features for augmented reality applications are disclosed. The dynamic calibration of the line features affords an expanded tracking range within the real environment and into adjacent, u...
07/03/2007
7162082Method and apparatus for performing a clean background subtraction
A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge...
01/09/2007
7162059Method for implementing a navigation key function in a mobile communication terminal based on fingerprint recognition
A method for implementing a navigation key function in a mobile communication terminal using fingerprint-recognition. The mobile communication terminal includes a fingerprint-recognition sensor divided into a plurality of image detection blocks. The method comprises...
01/09/2007
7151512Display device
To suppress dissipation in monochrome LED displays, each frame is supplied at half the frame rate. In color LED displays, one color frame (e.g. green) is supplied at the normal frame rate and the other colors (red, blue) are supplied at slower frame rates. In a furt...
12/19/2006
7110136Reading apparatus and data processing system
In a reading apparatus, mask data of entry box lines thicker than lines of a layout printed on a form is stored in a storage portion of a reading apparatus, a layout code printed in the vicinity of the entry box of the layout read by a reading portion is read, and w...
09/19/2006
7091988Object region data describing method and object region data creating apparatus
An object region data describing method of describing information about the object region in an image over a plurality of frames determines the region of a target object in an image using an approximate function that approximates the trajectory obtained by arranging...
08/15/2006
7088862Fast high-accuracy multi-dimensional pattern inspection
A method and apparatus are provided for identifying differences between a stored pattern and a matching image subset, where variations in pattern position, orientation, and size do not give rise to false differences. The invention is also a system for analyzing an o...
08/08/2006
7079144Curve generating device and method, and program recorded medium
A user gives, as input, two curves at a start time and at an end time and reference correspondence points with respect to the respective curves. Then, a pursuit operation of pursuing a reference correspondence point is carried out with respect to picture images succ...
07/18/2006
7058225Fast high-accuracy multi-dimensional pattern inspection
A method and apparatus are provided for identifying differences between a stored pattern and a matching image subset, where variations in pattern position, orientation, and size do not give rise to false differences. The invention is also a system for analyzing an o...
06/06/2006
7054476Apparatus for automatically setting measurement reference element and measuring geometric feature of image
In a measurement processing apparatus for measuring a geometric feature of an object image: a measurement-reference-element setting unit automatically sets at least one first measurement reference element for use in measurement of the geometric feature of the object...
05/30/2006
7043063Non-rigid motion image analysis
A method of analysing a sequence of images of a deformable object in non-rigid motion involves modeling the boundary using a non-rigid contour. A representation of movement of the contour through the sequence of images is calculated using a tracking space shape. The...
05/09/2006
7043075Computer vision system and method employing hierarchical object classification scheme
A method and apparatus are disclosed for classifying objects using a hierarchical object classification scheme. The hierarchical object classification scheme provides candidate classes with an increasing degree of specificity as the hierarchy is traversed from the r...
05/09/2006
7042809Method and device for recognizing manually traced characters on an input zone
The invention concerns a method and an electronic device for recognizing characters traced manually on an input zone (10) comprising a plurality of sensors (15) each capable of being activated by a finger or a tracing instrument (13). The method...
05/09/2006
7035466Process and device for detection of straight-line segments in a stream of digital data that are representative of an image in which the contour points of said image are identified
A process for detection of straight-line segments in a stream of digital data that are representative of an image (m, n) in which the contour points of said image each defined by the modulus and the orientation θ of their gradient in relation to a horizontal axis a...
04/25/2006
7031017Data processing system, printer, image recording system and image recording method
The present invention provides easy operations of moving, rotating, magnifying, and reducing images displayed on a display screen attached to a computer by employing a selecting means. The selecting means having a function to communicate the computer via wireless me...
04/18/2006
7019761Methods for auto-separation of texts and graphics
The present invention is directed to a method of discriminating between textual content and graphical content. The method includes the steps of receiving a plurality of pixel values for a pixel line segment, calculating a plurality of spatial gradients based on the ...
03/28/2006
7006680System and method for characterizing microarray output data
The current invention discloses a novel spectral transformation technique for characterizing digitized intensity output patterns from microarrays. This method yields improved sensitivity with reduced false positives and false negatives. Current microarray methods ar...
02/28/2006
7003138System and method for geographically referencing an improvement image
The instant invention is a system and method for converting improvement images to geographically referenced chart symbols and for combining improvement images with other geographically referenced information to create composite images. The instant invention provides...
02/21/2006
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