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7606424 |
Combined forward and reverse correlation
Improved correlation techniques employ data from forward (template-to-reference) and reverse (reference-to-template) correlation to identify valid correlation peaks, enforce symmetry in correlation...
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7596283 |
Fast parametric non-rigid image registration based on feature correspondences
A method and system for non-rigidly registering a fixed to a moving image utilizing a B-Spline based free form deformation (FFD) model is disclosed. The methodology utilizes sparse feature...
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7545984 |
Quantifying graphics image difference
Methods, apparatuses, and systems are presented for measuring difference between graphics images relating to performing an arithmetic operation involving a first graphics image comprising a...
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7529411 |
Interactive system for recognition analysis of multiple streams of video
A method of identifying an object captured in a video image in a multi-camera video surveillance system is disclosed. Sets of identifying information are stored in profiles, each profile being...
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7492947 |
Image processing method and image processing apparatus
This invention consists in an image processing method in which the similarity between a first pixel and a second pixel constituting an image is numerically given by statistical testing, and the...
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7450262 |
Form recognizing apparatus, form recognizing method, program and storage medium
A form recognizing apparatus, a form recognizing method and a form recognizing program for easily and precisely recognizing whether or not a form including multiple pages corresponds to any of...
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7444033 |
Method and apparatus for extracting pixel values
The luminance and chrominance values of pixels encoded according to MPEG or JPEG encoding are extracted using a forward discrete cosine transform (DCT). The forward DCT used in MPEG encoding is...
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7440602 |
Methods, apparatus, and software to compensate for failed or degraded components
A method for improving images of an imaging system including a plurality of detector cells includes assigning a quality factor for each detector cell.
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7406187 |
Method and system for processing an image
In computer aided diagnosis, a high-accuracy image indicating a temporal difference of a diseased part of a patient is produced from a current image and a past image as follows. First, a plurality...
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7319791 |
Subtractive primitives used in pattern matching
A method for recognizing an object in a target image using model primitives comprising an additive primitive and a subtractive primitive; weights are assigned to the additive and subtractive...
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7308443 |
Techniques for video retrieval based on HMM similarity
A query is received. The query may be an object containing temporal information. A query model including static and temporal components is then determined for the object. A weighting for static and...
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7308140 |
Method and device for measuring similarity between images
A method of measuring a similarity between images is provided. The method includes the steps of (a) computing a statistical dissimilarity between the images; (b) computing a perceptual...
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7298907 |
Target recognizing device and target recognizing method
A target recognizing device that creates a template concerning a target by itself is provided. The device comprises a robot camera for creating continuous images showing a target and an arithmetic...
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7221805 |
Method for generating a focused image of an object
A method is provided for computing a composite image representing a focused image of an object in an application of machine vision in an optical inspection system. An image tessellated into focus...
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7136508 |
Image processing apparatus, method, and program for processing a moving image
A moving image Vd consists of a plurality of frames F 1 –F 12 . A scene change SC of the moving image Vd is detected according to change in each frame regarding to brightness information of...
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7103227 |
Enhancing low quality images of naturally illuminated scenes
A method enhances images of a naturally illuminated scene. First, a set of images I i (x, y) is acquired of a scene. Each image is acquired under a different uncontrolled illumination. For each...
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7062083 |
Image retrieval method based on combination of color and texture features
An image retrieval method with improved performance in which a data image similar to a query image is retrieved by appropriately combining color and texture features. The method for retrieving a...
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7046850 |
Image matching
A method for matching digital images, including regularization of image features of a first digital image, composed of pixels, defining a finite set of candidate values, wherein a candidate value...
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7030885 |
Method and apparatus for measuring color-texture distance, and method and apparatus for sectioning image into plurality of regions using measured color-texture distance
A method and apparatus for measuring a color-texture distance and a method and apparatus for sectioning an image into a plurality of regions using the measured color-texture distance are provided....
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7027045 |
Modeling graphics objects with topological hints
A method models a graphics object by providing a model of the graphics object and generating a first adaptively sampled distance field for the model. Next, a topological hint is constructed. A...
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7010163 |
Method and apparatus for processing image data
The invention is a method and apparatus for improving image-processing applications. Embodiments of the invention provide methods for preserving computation results and offer intermediary...
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6993182 |
Method and apparatus for detecting scene changes in video using a histogram of frame differences
The present invention is directed to method of detecting a scene change in video. The method includes a difference being calculated between consecutive frames of the video producing a plurality of...
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6957387 |
Apparatus for reproducing an information signal stored on a storage medium
An apparatus for reproducing an information signal stored on a first storage medium ( 4 ). The apparatus comprises a reading unit ( 2 ) for reading the information signal from the first storage...
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6895073 |
High-speed x-ray inspection apparatus and method
An apparatus and method for inspecting parts. The apparatus includes an x-ray source for illuminating a part from a plurality of locations with respect to the part and an imaging detector for...
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6856697 |
Robust method for automatic reading of skewed, rotated or partially obscured characters
A character reading technique recognizes character strings in grayscale images where characters within such strings have poor contrast, are variable in position or rotation with respect to other...
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6801661 |
Method and system for archival and retrieval of images based on the shape properties of identified segments
A method for representing an image in terms of the shape properties of its identified segments of interest involves analyzing each segment of interest to automatically identify one or more of its...
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6757431 |
Resolution conversion for anti-aliased images using loose gray scale template matching
A method for resolution conversion for re-sampling anti-aliased images is disclosed which decreases bandwidth costs associated with anti-aliased line art and other costs associated with...
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6751354 |
Methods and apparatuses for video segmentation, classification, and retrieval using image class statistical models
Techniques for classifying video frames using statistical models of transform coefficients are disclosed. After optionally being decimated in time and space, image frames are transformed using a...
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6711293 |
Method and apparatus for identifying scale invariant features in an image and use of same for locating an object in an image
A method and apparatus for identifying scale invariant features in an image and a further method and apparatus for using such scale invariant features to locate an object in an image are disclosed....
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6697505 |
Person recognizing apparatus which can reduce time and year changing effects and method therefor
Configuration is made by a feature pattern extracting section 12 for extracting a feature obtainable from a person, a subspace calculating section 14 for calculating a subspace from the feature...
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6687398 |
Method and an apparatus for the identification of incorrectly oriented parts and/or parts departing from a predetermined master
A method and a device for the identification of incorrectly orientated parts and/or parts departing from a predetermined master, the parts being moved by means of a conveyor means ( 13 ) past at...
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6665441 |
Pattern matching method and apparatus
A pattern recognition matching processing method and apparatus uses expansion processing with dictionary data as a matching candidate (pattern image). Contraction processing may be performed for...
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6643410 |
Method of determining the extent of blocking artifacts in a digital image
A digital image processing method determines the extent of blocking artifacts in a digital image by first forming a column difference image and averaging the values in the columns in the column...
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6621929 |
Method for matching images using spatially-varying illumination change models
A method for matching images is provided that includes the step of providing a template image and an input image. The images include pixels, each pixel having an intensity associated therewith. An...
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6606402 |
System and method for in-line inspection of stencil aperture blockage
A system and method for ascertaining blockage of one or more stencil apertures is provided. An analysis of pixels in an image of the stencil region that includes the aperture is made that includes...
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6456741 |
Structure-guided image measurement method
Structure-guided image estimation and measurement methods are described for computer vision applications. Results of the structure-guided estimation are symbolic representations of geometry...
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6418430 |
System for efficient content-based retrieval of images
A system creates and uses a visual image index for visual image retrieval. The visual image index uses multi-level filtering to reduce the processing and storage needed to identify visual images in...
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6373979 |
System and method for determining a level of similarity among more than one image and a segmented data structure for enabling such determination
A system and method is disclosed for determining a level of similarity among more than one image. Anticipated spatial characteristics of an image are used for automatically identifying segments...
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6337926 |
Image recognition method, image recognition apparatus, and recording medium
In an image recognition method of recognizing a plurality of images from an input image, the plurality of images to be recognized including at least one of a specific image and images provided by...
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6330353 |
Method of localization refinement of pattern images using optical flow constraints
A method for localization refinement of inspection patterns comprises the steps of providing a template image comprising pixels in a pattern, each pixel having an intensity, providing an input...
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6266445 |
Classification-driven thresholding of a normalized grayscale image
A sample image (142) is recognized by normalizing (404) the size of a sample image (142) to the size of a referent images (146); and determining (406) a set of candidate images (147) from a set of...
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6229909 |
Pattern data matching device for matching multiple sets of pattern data efficiently and its matching method
A pattern data matching device comprises multiple target pattern data storing parts for storing target pattern data transferred from the matching controller, a file pattern data storing part for...
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6185314 |
System and method for matching image information to object model information
A tracking system and method for evaluating whether image information for a region cluster of a video frame of a scene represents an hypothesis of an object to be tracked, such as a person. At...
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6154566 |
Method and apparatus for determining image similarity and position
An apparatus for determining a similarity between model image and inputted image, which is robust even if the background of said inputted image is partly changed. The similarity is calculated from...
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5995660 |
Image processing apparatus
The present invention has an object to determine whether image data is generated by data processing such as PDL, or optically captured scan-in image, for each area. To achieve the object, a...
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5892856 |
Method of presence detection using video input
A method of detecting whether a user is in close proximity to an end point. A base video frame of the end point is captured when the user is not in close proximity to the end point. A current video...
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5805731 |
Adaptive statistical classifier which provides reliable estimates or output classes having low probabilities
A statistical classifier for pattern recognition, such as a neural network, produces a plurality of output signals corresponding to the probabilities that a given input pattern belongs in...
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5802361 |
Method and system for searching graphic images and videos
A system and method for searching images includes a low level analyzer for processing image data in a plurality of images into side information files, the image data of each side information file...
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5789726 |
Method and apparatus for enhanced transaction card compression employing interstitial weights
A method of encoding and decoding a transaction card with a block of image data digitally representing the features of a digital portrait of an authorized transaction card user is disclosed along...
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5784485 |
Method and apparatus for automated pattern recognition
The present invention relates to a new and useful Automated Pattern Recognition Device comprising a neural-network system, implemented on a general purpose computer, and capable of recognizing not...
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