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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...
7555163 Systems and methods for representing signed distance functions  
A system and method for implicitly computing signed distance values in a graphics application. In one embodiment, rather than storing numerous distance values along a given raster scan line, only...
7508987 Method, apparatus, system, and program for image processing capable of recognizing, reproducing, and enhancing an image, and a medium storing the program  
A method, apparatus, system, and program for image processing are provided to perform operations of recognizing, reproducing, and enhancing an image, particularly one having character, symbol, or...
7430322 Particle shape characterization from 2D images  
The size distributions corresponding to the three-dimensional (3D) shapes of particles are estimated from a 3D-to-2D projection matrix and a two-dimensional (2D) image of the particles that is...
7412089 Efficient finder patterns and methods for application to 2D machine vision problems  
The invention relates to a finder pattern for detection and location of at least one target feature in a target object. The finder pattern includes at least two triads arranged in predetermined...
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...
7359555 Detecting roads in aerial images using feature-based classifiers  
A method detects roads in an aerial image of ground topology by determining low-level features, such as intensities and gradients, for each pixel in the aerial image, determining middle-level...
7352900 Apparatus and method for processing particle images and program product for same  
A method for processing particle images are described that include: receiving image information obtained by capturing an image of a particle; determining the circumferential length and number of...
7286718 Method and apparatus for determination of text orientation  
The present invention relates to a method for determining the orientation of text, so that the text can be correctly read. In one embodiment, the method analyzes the “open” portions of text...
7257276 Digital image interpolation method  
A digital image interpolation method is disclosed which a projection point (x, y) of the original image corresponding to a pixel of the transformed image first is determined. According to...
7224355 Method for post-processing a 3D digital video signal  
The present invention relates to a method for post-processing a 3D digital video signal, said digital video signal having a plurality of views with associated disparity maps. The invention is...
7050634 Method, program product, and device for detecting branch point of random line pattern  
By a method of detecting a branch point, the branch point in a random line pattern of neovascularization or the like is detected accurately and efficiently. After a binary image is obtained from an...
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...
7027649 Computing the Euler number of a binary image  
An Euler number representation of a binary image is calculated. The binary image is considered as a series of partial images. The Euler number for each partial image is calculated using properties...
7027637 Adaptive threshold determination for ball grid array component modeling  
A method for determining a number of balls in a projection space comprises determining a projection of a portion of a ball grid array, determining at least one local maximum of the projection space...
7020336 Identification and evaluation of audience exposure to logos in a broadcast event  
Method and system of detecting and analyzing the presence of a logo in one or more datastreams. In the method, at least one video datastream of an event is first received. Next, one or more regions...
6837617 Detection and recognition of objects by multispectral sensing  
A method and a system for determining temperature and/or emissivity of an object by remote sensing are described. Based on the concept of temperature and emissivity determination, there are also...
6763137 Recognition and clustering of connected components in bi-level images  
Methods, apparatus and data structures for identifying, processing and interpreting bi-level connected component objects found within graphic images. The disclosure includes methods for generating...
6757411 Method and system for fingerprint encoding and authentication  
A method, system and computer readable-storage medium for generating an identification code from a fingerprint image exhibiting a plurality of features. The method includes establishing a reference...
6748110 Object and object feature detector system and method  
A system and method for object inspection detects and reports object and/or object feature shapes from an acquired image of an inspected sample-object using both edge-based and grey level-based...
6567552 Image processing method and apparatus  
Stroke information from pen-down to pen-up being one unit is grouped automatically so that editing thereafter can be performed efficiently. Grouping of stroke information is determined in...
6560361 Drawing pixmap to vector conversion  
A computer method and system for converting a pixmap representing a drawing into a set of points or vectors representing the drawing. Closed loops of points or vectors are traced around boundaries...
6510244 Method and system for acquiring a three-dimensional shape description  
Method for acquiring a three-dimensional shape or image of a scene, wherein a predetermined pattern of lines is projected onto the scene and the shape is acquired on the basis of relative distances...
6483942 Micro region count image texture characterization  
A method of estimating the dot frequency of an area of a band of an image. The band is divided into small areas, and within each area, each column is processed, pixel by pixel. If a pixel is...
6393159 Multiscale characterization and analysis of shapes  
An adaptive multiscale method approximates shapes with continuous or uniformly and densely sampled contours, with the purpose of sparsely and nonuniformly discretizing the boundaries of shapes at...
6366688 Apparatus and method for contact failure inspection in semiconductor devices  
There is provided a contact failure inspection system and method for semiconductor devices and a method of manufacturing semiconductor devices. Using digitized values for electron signals detected...
6330360 Image processing apparatus and method  
Ruled-line information is stored in a ROM. The ruled-line information relates to ruled lines present in images of originals having a plurality of different formats. Based upon consecutive pixels...
6327388 Identification of logos from document images  
The method and apparatus enables any user to search for logos in document images stored in a bitmap format. The search efficiently compares bitmap or image data by extracting a series of connected...
6278482 Method for imaging a sphere disposition, method and apparatus for measuring the same, and method and apparatus for manufacturing a planer lens  
A bead disposition is imaged while performing illumination by reflection illumination or penetration illumination so that a peak point of brightness brighter than the outside of a bead is observed...
6198846 Character recognition system  
A separating position candidate detecting unit 21 detects separating position candidates in a character row derived by a character row deriving unit 11. A character candidate separating unit 31...
6111983 Determination of image shapes using training and sectoring  
For enhanced accuracy in determining a shape in an image, a shape model can be trained for parameter settings, based on training data for which the desired shape is specified. Such training can be...
6084989 System and method for automatically determining the position of landmarks in digitized images derived from a satellite-based imaging system  
A system and method for determining offset errors between line and pixel coordinates of landmarks in a digitized image generated by an imaging system disposed on a spacecraft and line and pixel...
6081617 Data processing method and apparatus  
In a data processing method and apparatus, an image signal representative of features in a space of two or more dimensions is progressively filtered at monotonically increasing filtering scales,...
5991441 Real time handwriting recognition system  
A handwritten character recognizer having an input cluster buffer and a point buffer with dynamic and static stroke feature extraction and segment analysis by conical boundaries for identification...
5909500 Method and apparatus for detecting forged signatures  
The present invention provides a method for reducing the variations attendant to free-form execution of a signature by providing a delimiting area in which a signature string, and/or portions of a...
5892843 Title, caption and photo extraction from scanned document images  
The bitmap image data is analyzed by connected component extraction to identify components or connected components that represent either individual characters or letters, or regions of a nontext...
5887074 Local principal component based method for detecting activation signals in functional MR images  
Apparatus for detecting activation signals in functional MRI images comprises MRI apparatus for deriving MRI volume data temporal signals for voxels in image slices, the data being grouped in...
RE36041 Face recognition system  
A recognition system for identifying members of an audience, the system including an imaging system which generates an image of the audience; a selector module for selecting a portion of the...
5835638 Method and apparatus for comparing symbols extracted from binary images of text using topology preserved dilated representations of the symbols  
A method and apparatus for comparing symbols extracted from binary images of text for classifying into equivalence classes. The present invention uses a Hausdorff-like method for comparing symbols...
5825923 Method for performing character recognition on a pixel matrix  
Pattern recognition, particularly character recognition, is effected by categorizing a cipher by a unique description using three feature sets identifying the type and location of lines which form...
5812691 Extraction of fuzzy object information in multidimensional images for quantifying MS lesions of the brain  
A technique for object information extraction from images which retains fuzziness as realistically as possible. The technique is used for image segmentation of fuzzy objects for n-dimensional...
5805729 Procedure and equipment for production of line data  
A process and apparatus for the production of line data from measurements correlated with specific characteristics of an object measured. The invention provides that the measurements thus obtained...
5787196 Method and apparatus for splitting connected characters into component characters  
Image processing apparatus is disclosed for splitting, for subsequent storage or processing by OCR apparatus, character images in digital form comprising connected characters, the image processing...
5757962 Character recognition  
A method and apparatus for recognizing a script written character wherein the character is entered using character entering means and digitised by appropriate means. The digitised character is then...
5717786 Apparatus for determining ridge direction patterns  
From an image memory of a fingerprint picture, gradient vectors of the picture are calculated. And from distribution of gradient vectors in a subregion, ridge direction of the subregion are...
5671343 Three-dimensional modeling apparatus and method utilizing the extraction of topological data, as from two-dimensional drawings  
A three-dimensional model is formed from information of two-dimensional drawings. Information representing section is formed from the two-dimensional drawing information. Geometrical and...
5602940 Method of labeling image data and device for the same using temporary labels having a concentration relationship  
When a leading end of a run on an upper row in a binary mask which performs raster scan over a binary image is detected, a run label which was assigned to the same run when scanning a row preceding...
5568567 Two-dimensional image processing method and apparatus for approximating circular arc configuration of an object  
Two-dimensional image data of an object is processed to inspect a circular arc configuration of the object. Initially, the two-dimensional image data is subjected to a data extraction process in...
5539840 Multifont optical character recognition using a box connectivity approach  
Pattern recognition, for instance optical character recognition, is achieved by defining a minimal bounding rectangle around a pattern, dividing the pattern into a grid of boxes, comparing a vector...
5524064 Device for coding still images  
A device for coding still images has a device for segmenting the images into homogeneous regions whereto a specific label is attached, and a device for coding the contents of the contour. The...
Matches 1 - 50 out of 114 1 2 3 >