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7623736 |
Registration of three dimensional image data with patient in a projection imaging system
A method for determining a translation of a three-dimensional pre-operative image data set to obtain a registration of the three-dimensional image data with a patient positioned in a projection...
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7587671 |
Image repositioning, storage and retrieval
A system and a method are disclosed for optimally viewing a non-square aspect ratio photo or video within a non-square aspect ratio display area of a screen. In addition, a system and a method are...
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7587088 |
Method 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...
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7576753 |
Method and apparatus to convert bitmapped images for use in a structured text/graphics editor
An image analysis and conversion method and system. Bitmapped ink images are converted to structured object representations of the bitmapped images, which may be read and edited by a structured...
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7561739 |
Analyzing scripts and determining characters in expression recognition
A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing part of a multi-path framework is described. The part of the multi-path framework...
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7561738 |
Symbol grouping and recognition in expression recognition
A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing a part of a multi-path framework is described. The part of the multi-path framework...
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7561737 |
Mathematical expression recognition
A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing a multi-path framework is described. The framework may include symbol grouping and...
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7437003 |
System 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...
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7428336 |
Efficient 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...
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7418141 |
Method, 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...
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7408536 |
Device 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...
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7400768 |
Enhanced 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...
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7400747 |
Method 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...
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7397948 |
System 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...
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7386172 |
Image 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...
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7376251 |
Electronic 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...
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7333649 |
Measurement 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...
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7317836 |
Pose 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...
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7298900 |
Image 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...
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7239752 |
Extendable 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...
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7162082 |
Method 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...
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7162059 |
Method 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...
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7079144 |
Curve 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...
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7054476 |
Apparatus 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...
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7035466 |
Process 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...
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7031017 |
Data 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...
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7019761 |
Methods 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...
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6985626 |
Pattern evaluation method, pattern evaluation system and computer-readable recorded medium
A pattern evaluation method includes processing image data of at least one pattern serving as an object to be evaluated and detecting coordinates of edge points of the pattern in an image of the...
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6959103 |
Displacement sensor having a display data output
Provided is a displacement sensor which allows at least part of the data used from the time of obtaining an image until the time of computing the displacement can be readily verified. In a...
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6934405 |
Address reading method
An address reading method with processing steps controlled by parameters, in which free parameters which cannot be adapted by learning samples are to be automatically optimized. These parameters...
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6853751 |
Location of generally rectangular shaped objects in an image
A rectangle finder tool automatically locates rectangles in an image that correspond to substantially rectangular devices in the image. The rectangle finder tool can be used to automatically locate...
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6836555 |
Information management system with authenticity check
A payment product has a writing area ( 6 c ) which is intended for a user's signature. In the writing area there is a first position-coding pattern ( 5 ) which makes possible digital recording of...
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6834119 |
Methods and apparatus for matching multiple images
An image processing system detects a plurality of image features in a first image corresponding to a first view of a scene, and a plurality of image features in a second image corresponding to a...
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6829382 |
Structure-guided automatic alignment for image processing
When application domain structure information is erroneously encoded into parameters for image processing and measurements the accuracy of the result can degrade. A structure-guided automatic...
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6778699 |
Method of determining vanishing point location from an image
A method of determining a vanishing point related to an image, the method includes the steps of: detecting line segments in the image; determining intersections from pairs of line segments;...
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6714675 |
Autogrid analysis
A method and apparatus for identifying the orientation and positions of the elements of a grid in an image. The elements of the grid need not be parallel to the sides of the image, and the image...
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6668083 |
Deriving geometrical data of a structure from an image
A method of deriving geometrical data of a structure from an image of the structure comprises the selection of marker points in the image. A typical contour is associated with the marker points and...
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6574366 |
Line and curve detection using local information
An image detection method is disclosed wherein local edge information within an image is utilized for accurately detecting lines and curves of the images. The method can more accurately determine...
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6542638 |
Method for matching spatial patterns
I present a method for matching the spatial relationships between an input set of feature points and a template set of feature points. A feature point consists of a location in space and a label...
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6532300 |
Method of automatically analyzing patterns
There is disclosed a method of automatically analyzing many repeating patterns. One typical pattern is first selected. On the typical pattern, analysis points, analysis methods and analysis...
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6487310 |
Signature matching
The invention is of an “elastic matching” method for comparing one signature against another, comprising the operations of creating a mapping between corresponding points in two signatures to...
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6487306 |
System and method for deriving a string-based representation of a fingerprint image
The invention is a system and method for deriving a single dimensional representation for a set of points e.g.,minutiae, in image of a two dimensional pattern of lines, e.g. a fingerprint, by...
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6477273 |
Centroid integration
Patterns in an image or graphical representation of a dataset are identified through centroid integration. The image or graphical representation is digitized. A collapsed image is created by...
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6459824 |
Method of retrieving moving pictures using joint points based on pose information
There is disclosed a method of retrieving moving pictures using joint point based moving information for allowing an user to retrieve pictures including a desired person object or the pose of the...
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6421461 |
PATTERN RECOGNITION APPARATUS WHICH COMPARES INPUT PATTERN FEATURE AND SIZE DATA TO REGISTERED FEATURE AND SIZE PATTERN DATA, AN APPARATUS FOR REGISTERING FEATURE AND SIZE DATA, AND CORRESPONDING METHODS AND MEMORY MEDIA THEREFOR
A pattern recognition system which includes an input device for inputting a pattern and a character code, an extractor for extracting feature data from the input pattern, a detector for detecting...
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6411733 |
Method and apparatus for separating document image object types
A method and apparatus is provided for segmenting a binary document image so as to assign image objects to one of three types: CHARACTER-type objects, STROKE-type objects, and LARGE-BITMAP-type...
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6408107 |
Rapid convolution based large deformation image matching via landmark and volume imagery
An apparatus and method for image registration of a template image with a target image with large deformation. The apparatus and method involve computing a large deformation transform based on...
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6408085 |
System for matching nodes of spatial data sources
A system for matching nodes of different spatial data sources. The system matches or ties a node from one data source to another data source. The present invention uses a highly accurate exclusion...
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6393151 |
Pattern reading system
An apparatus for recognizing visual patterns of handprinted characters or the like by means of an optical character reader which reads the patterns by a so-called outermost point method. While...
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6381366 |
Machine vision methods and system for boundary point-based comparison of patterns and images
The invention provides boundary-based machine vision methods and systems for comparing a pattern to an image. These contemplate the steps of finding boundary points in the image and comparing those...
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