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7616805 |
Pattern defect inspection method and apparatus
The pattern defect inspection apparatus is operable to detect defects by comparing a detection image, which is obtained through scanning by an image sensor those patterns that have the identical...
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7605821 |
Poisson image-editing technique that matches texture contrast
One embodiment of the present invention relates to a system for reconstructing an image. During operation, the system receives an original image, wherein the original image includes a defective...
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7587096 |
Method and apparatus for image processing
A method for image processing includes generating a pixel window of image data and determining whether the pixel window-is stable or unstable. Image enhancement values are then obtained from a look...
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7587089 |
Method and apparatus for image processing
An image processing apparatus comprises a characteristic value generator for receiving image data, analyzing neighboring pixels of a to-be-processed pixel and calculating characteristic values...
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7586646 |
System for processing and classifying image data using halftone noise energy distribution
A method and system is provided for processing scanned data representative of a document image for classifying portions of the data into contone, low frequency halftone or high frequency halftone...
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7586645 |
Color data conversion apparatus and method
A color conversion apparatus receives red-green-blue color data, calculates characteristic information and first hue region data from the color data, adjusts the first hue region data according to...
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7573508 |
Image signal processing apparatus and method for performing an adaptation process on an image signal
An image signal generated by a CCD image sensor is processed by the block-generating section 28 provided in an image-signal processing section 25 . A class tap and a prediction tap are thereby...
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7551792 |
System and method for reducing ringing artifacts in images
A method reduces artifacts in an input image. A variance image is generated from the input image. The input image is partitioned into a plurality of blocks of pixels. A set of classifications is...
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7529409 |
2-D encoded symbol quality assessment
An 2-D symbol orientation guide with parallel and spaced right angle guidelines with chevron-like spaces provided therebetween is selectively displayed in plural selected dispositions on a monitor...
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7528833 |
Three-dimensional data controller and three-dimensional data processor
A three-dimensional data controller controls voxel data by distributing the voxel data to hierarchical nodes. The three-dimensional data controller stores combination patterns, each representing...
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7477781 |
Method and apparatus for adaptive pixel correction of multi-color matrix
A method of adaptive pixel correction of a multi-color matrix from a sensor includes collecting pixel values, generating plural vectors, normalizing values and determining an estimated value. The...
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7437005 |
Rapid visual sorting of digital files and data
Described is a system and method including a user interface to manage sets of digital data (e.g., files) such as digital photographs or email messages. The system and method comprise a rapid sort...
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7424462 |
Apparatus for and method of pattern recognition and image analysis
A method of comparing an input pattern with a memory pattern includes the steps of loading a representation of said input pattern into cells in an input layer; loading a representation of said...
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7412109 |
System and method for filtering artifacts in images
A method filters pixels in an image, by first partitioning the image into blocks. Edge block are identified. A variance of an intensity for each pixel in each edge block is determined. Then, each...
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7412106 |
Methods for locating and decoding distorted two-dimensional matrix symbols
A method is presented for processing an image of a two-dimensional (2D) matrix symbol having a plurality of data modules and a discontinuous finder pattern, each distorted by “donut effects”. A...
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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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7406181 |
Occupant detection system
A camera ( 32 ) captures successive images of light stripes ( 22 ) projected onto an object by a light curtain ( 18 ) positioned by a light source positioner ( 28 ). A background image is...
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7400766 |
Image edge extraction via fuzzy reasoning
A computer-based technique for detecting edges in gray level digital images employs fuzzy reasoning to analyze whether each pixel in an image is likely on an edge. The image is analyzed on a...
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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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7388987 |
Computing dissimilarity measures
Methods, machines, and machine-readable media for computing dissimilarity measures are described. In one aspect, a first set of pixel neighborhood values (PNVs) is computed from respective sets of...
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7379561 |
Method and system for differentially and regularly modifying a digital image by pixel
Th invention relates to a method and system for modifying a digital image ( 100 ) consisting of pixels. Said digital image is divided into areas ( 103 ). At least one area value is assigned to each...
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7362911 |
Removal of stationary noise pattern from digital images
A method for removing a stationary noise pattern from digital images uses an adaptive noise estimation algorithm to calculate a prediction of the fixed pattern noise and a confidence estimate for...
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7359576 |
Using difference kernels for image filtering
Methods and apparatus, including computer program products, for filtering an image. A filter kernel is received to determine one or more filtered values for each pixel in a sequence of pixels,...
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7346224 |
System and method for classifying pixels in images
A method classifies pixels in an image by first partitioning the image into blocks. A variance of an intensity is determined for each pixel, and for each block the pixel with the maximum variance...
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7340105 |
Method and apparatus for image processing
A method for image processing includes generating a pixel window of image data and determining whether the pixel window-is stable or unstable. Image enhancement values are then obtained from a look...
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7336390 |
Method and apparatus for reducing multi-bit image data
Input pixels are input to a thinning processing circuit. When thinning is performed at the thinning processing circuit, minimum values are selected in order to reduce the pixel data, whereby loss...
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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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7274801 |
Automatic target recognition system with Elliptical Laplacian Pyramid filter
Automatic target recognition system and/or method which employs an elliptical Laplacian pyramid based pre-screen image data filter. The filter is a resolution sequence matched filter, where the...
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7274380 |
Augmented reality system
An augmented reality system includes a video source, and a database. The video source resides at a location and produces an image. At least one encoded marker resides within the image. A marker...
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7268783 |
Image alias rejection using shaped statistical filtering
Image alias rejection when converting a high resolution rasterized waveform to a lower resolution rasterized waveform for display uses a statistical filter. The statistical filter provides a shaped...
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7251059 |
System for distinguishing line patterns from halftone screens in image data
In a system, such as in a digital copier, for classifying image data derived from an original image, the image data is classified by type. An algorithm is applied to the gray levels of pixels...
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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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7203379 |
Digital image cross talk correction
An image processing system comprises a processing circuitry operable to receive a digital image and a line buffer circuitry communicatively coupled to the processing circuitry, the line buffer...
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7197159 |
Amplitude shifted information embedding and detection method based upon the phase equalization
An amplitude shifted information embedding and detection method based upon the phase equalization is disclosed. It utilizes an equalization function to perform equalization computations on the DCT...
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7173615 |
Generating a mesh
A method of generating a mesh includes locating a reference voxel. The reference voxel is inside a surface of an object and is adjacent to at least one voxel outside the surface. The method also...
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7162089 |
Method for segmenting and recognizing an image in industry radiation imaging
An image segmentational recognition method in industrial radiational imaging, comprising the steps of: pre-processing an original image to climate noises; log-transforming, to obtain a linear...
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7155033 |
Coarse representation of visual object's shape for search/query/filtering applications
A method of coarse representation of a visual object's shape for search/query/filtering applications uses a binding box that fully encompasses the object of interest within the image to extract a...
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7151849 |
Efficient block transform including pre-processing and post processing for autostereoscopic displays
Image data processing techniques utilizing multiple processes operating on one or more processors of one or more computer systems can be used to efficiently rearrange or reparameterizing image data...
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7136541 |
Method of performing sub-pixel based edge-directed image interpolation
A method of generating a value for a missing pixel “x” by determining a “least harmful” local edge direction between pixels, or sub-pixels, on substantially opposing sides of the missing...
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7136194 |
Image processing apparatus, image forming apparatus, and image processing method
Disclosed are an image processing apparatus that can decrease such a misjudgment that an area including an extremely small-sized character is judged to be a halftone-dot area when a judgment of a...
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7123742 |
Print user interface system and its applications
A print (e.g., on paper) user interface (PUI) device for decoding an embedded message to activate a function is described. The PUI can be used for transforming an embedded message into cognizable...
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7103209 |
Method for extracting objective image
Noted portions of an image, such as a pin point hole in an isolated area or a pattern contour that forms a continuous boundary area, are clearly displayed by first erasing background noise by...
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7092570 |
Removing color aliasing artifacts from color digital images
A method of computing neighborhoods of pixels which neighborhoods are bounded to include particular image characteristics including using the digital image to compute neighborhoods of pixels which...
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7092124 |
Image processing apparatus, image forming apparatus, and image processing method with judging pixels in halftone-dot areas based on isolated pixel counts
Disclosed are an image processing apparatus that can decrease image quality deterioration caused by misjudgment of a halftone-dot area when its resolution is beyond an appropriate range etc., in...
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7054490 |
Image processing apparatus and image processing system
An image processing apparatus prepares dot cluster within block by pixel value shift to determine phase quantity every pixel value block at the time of constituting stripe pattern or texture of...
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7043080 |
Methods and systems for text detection in mixed-context documents using local geometric signatures
Embodiments of the present invention relate to methods and systems for detection and delineation of text characters in images which may contain combinations of text and graphical content....
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6999630 |
Method of processing, and corresponding filtering device
The invention relates to a method of processing data, which may be pixels (P[i,j]) representing a sequence of pictures, previously encoded and decoded. The method comprises at least in series a...
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6999616 |
Interpretation of colored documents
Automatic interpretation processing operations, such as character recognition, require a binary image of information-bearing image elements and a background. Digital image data produced by scanning...
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6993204 |
High speed signal enhancement using pixons
Input data comprising a video signal is processed using a combination of a known image processing method to deblur, or sharpen, the image and convolution with Pixon™ kernels for smoothing. The...
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6993191 |
Methods and apparatus for removing compression artifacts in video sequences
Techniques for removing ringing artifacts from video data. A deringing filter in accordance with the present invention preserves real image edges in a video frame, while smoothing out the interiors...
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