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7623732 |
Method and apparatus for digital image filtering with discrete filter kernels using graphics hardware
The invention provides, in some aspects, methods and apparatus for signal and/or image processing which perform convolution-based filtering utilizing a graphics processing unit (GPU, also called...
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7623728 |
Method and product for processing digital images
A method and computer program product for processing a digital image is disclosed. A foreground region relating to an imaged object is estimated, a background region relating to other than the...
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7623704 |
Color processing method, color processing apparatus, and storage medium
A representative color calculation section calculates a representative color representing a region, which is a subject of color adjustment in an input image. A color adjustment distance calculation...
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7623136 |
Method and system for processing texture samples with programmable filter weights
A texture unit of a graphics processing unit provides the ability to switch among different filter modes depending upon shader program instructions that are received by the texture unit. One filter...
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7623133 |
Method and apparatus for displaying data from multiple frame buffers on a single display device
A computer system including a processor, a display, and a graphics unit coupled between the processor and the display, in which the processor is configured to perform multi-display operations which...
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7620261 |
Edge adaptive filtering system for reducing artifacts and method
A method includes receiving image information representing at least one image. The image information defines multiple pixels in the at least one image. The method also includes identifying filter...
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7620210 |
Anisotropic optimization for texture filtering
Anisotropic optimization is a technique to reduce the number of texture samples anisotropically filtered to determine a texture value associated with a graphics fragment. Reducing the number of...
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7619640 |
Methods of suppressing ringing artifact of decompressed images
A method for adaptive reduction of ringing artifacts in an input image including pixels of image information. The method includes selecting a pixel window including a set of pixels from the input...
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7619639 |
Adaptive scaling using a programmable video engine
The invention pertains to an adaptive scaling technique. A look-up table of optimized filter coefficients is used to configure a multi-tap filter when scaling a video image. The look-up table...
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7619627 |
Image processing apparatus
An image processing apparatus having: a first screen processing section for performing a screen processing to image data; and an outline processing section for determining whether to output or not...
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7619622 |
Selective rendering for driver classes
Described is a filtering mechanism/process that selectively controls whether graphics primitives are provided to a given driver. For example, graphics primitives of an accessibility (e.g.,...
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7617080 |
Image enhancement by spatial linear deconvolution
Data from a target system ( 616 ) that exhibits a non-linear relationship between system properties and measurement data, is processed by applying a linear filter (F) to improve resolution and...
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7616830 |
Method and device for reducing blocking artifacts in a compressed digital image without reducing clarity of edges
Artifacts of an incident digital image including pixels carrying information are reduced by determining, for certain pixels being considered from the image, displaced pixels. A displaced pixel...
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7616829 |
Reducing undesirable block based image processing artifacts by DC image filtering
A post-processing manager provides reconstructed block based picture post-processing that is uncoupled from picture decoding by dividing a reconstructed image that was encoded using block based...
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7616828 |
Geospatial modeling system providing geospatial model data target point filtering based upon radial line segments and related methods
A geospatial modeling system may include a geospatial model database and a processor cooperating therewith for filtering geospatial model data. This may be done by selectively updating a target...
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7616827 |
Image processing method and image processing device
There is disclosed an image processing method wherein there is read, from a memory, an image signal which contains a plurality of image components and in which a sampling ratio as a ratio of...
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7616826 |
Removing camera shake from a single photograph using statistics of a natural image
A computer method and system for deblurring an image is provided. The invention method and system of deblurring employs statistics on distribution of intensity gradients of a known model. The known...
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7613363 |
Image superresolution through edge extraction and contrast enhancement
A technique for generating high-resolution bitmaps from low-resolution bitmaps. A low-resolution bitmap is magnified to form a magnified image. Edge detection is performed on the magnified image to...
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7613348 |
Medical imaging system having an apparatus for compressing image data
The invention relates to a medical imaging system having a generation apparatus for continuous image data from successive examination images, having an encoding apparatus for the image data for the...
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7609906 |
Method and system for acquiring and displaying 3D light fields
A method and system acquire and display light fields. A continuous light field is reconstructed from input samples of an input light field of a 3D scene acquired by cameras according to an...
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7606437 |
Image processing based on ambient air attributes
A method of processing a digital image captured by a camera includes providing an ambient air measuring device associated with the camera; using the ambient air measuring device to measure air...
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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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7602991 |
User definable image reference regions
A method for image processing of a digital image, in which a region of interest is defined in the digital image, one or more sets of pixel characteristics are determined for the region of interest,...
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7602990 |
Matting using camera arrays
A method extracts an alpha matte from images acquired of a scene by cameras. A depth plane is selected for a foreground in the scene. A trimap is determined from a set of images acquired of the...
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7602989 |
Realtime 2D deconvolution system and method
A real time 2D deconvolution system and method for processing a time sequence, or video sequence, of microscopy images. A system is provided that includes a first algorithm for processing a first...
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7599575 |
Method and apparatus for reducing noise in a sequence of fluoroscopic images
A method and apparatus for reduction of noise in an image of a sequence of fluoroscopic images of an object in motion having a differentiation of the pixels of the image between pixels in motion...
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7599569 |
Method and apparatus for bilateral high pass filter
A target pixel and surrounding pixels corresponding to the target pixel are obtained from a digitally represented image. A bilateral high pass filtering kernel is determined based at least in part...
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7598963 |
Operating sub-pixel rendering filters in a display system
A method of operating spatial sampling filters comprises detecting subpixel rendered areas, turning on a first set of spatial sampling filters for the subpixel rendered areas in response to...
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7596282 |
System and method for efficient feature estimation for medical images
A method for estimating feature values from a digitized image includes calculating a gradient of an image, defining a filter weighting function, convolving the gradient with the filter weighting...
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7595911 |
Methods and systems for descreening a digital image
Embodiments of the present invention comprise methods and systems for descreening a digital image.
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7593761 |
Method and apparatus of determining and displaying an artifact index
An apparatus and process for determining and displaying an artifact index (AI) to a system operator are provided. The AI is determined by acquiring and processing imaging data of a phantom. The AI...
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7593598 |
System and method for efficient filter design through weighted difference of Gaussian filters
A method of designing filters for filtering digitized images includes constructing a set of difference-of-Gaussian (DoG) filters that partition a frequency space, forming a linear combination of...
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7593588 |
Edge preservation type image processing device
An edge preservation type of recursive filter 12 outputs an unsharpened image (i.e., low-frequency components) which is smoothed while preserving an edge of an input image in at least one...
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7590303 |
Image enhancement method using local illumination correction
An image processing system for implementing a variant of Retinex algorithm based on local illumination correction is provided to improve an intensity value of each position of an input image. The...
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7590300 |
Image filtering methods and apparatus
In one embodiment, a method and apparatus for filtering input pixel data is configurable to perform a one-dimensional or two-dimensional filtering process. Further, in one embodiment, the...
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7590299 |
Increasing gamma accuracy in quantized systems
Embodiments for providing increased gamma accuracy in quantized display systems are herein described. Both system and method embodiments are provided to enhance image quality in three primary and...
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7589729 |
Image synthesis by rank-1 lattices
Systems and techniques are described in which rank-1 lattices are used in computerized image processing, in particular in the context of image synthesis. These include systems and techniques for...
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7586525 |
Noise reduction apparatus, method and program
CCD-RAW data obtained by sensing the image of a subject is applied to a first noise reduction circuit via a offset correction circuit, a gain correction circuit, a linear matrix circuit and a gamma...
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7584148 |
Apparatus and method for processing a check, and a computer-readable recording medium storing a check processing control program
A check processing method involves capturing at a first compression rate certain portions of a received check, and evaluating, based on that captured image data, whether certain information of the...
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7583852 |
Method of filtering an image for high precision machine vision metrology
A structured morphology filtering method is disclosed for filtering an image for high precision machine vision metrology using specifically-determined structuring elements to precisely preserve the...
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7580589 |
Filtering of noisy images
A method for correcting an image from defects and filtering from Gaussian noise corrects each pixel of the image when it is considered defective and filters it from Gaussian noise in one-pass. The...
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7580588 |
Image processing apparatus, image reading apparatus, and image forming apparatus
An apparatus includes a CCD that reads a script image, an analog front end unit (AFE) that adjusts the offset and the gain of an image signal and A/D-converts the image signal, an image processing...
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7577315 |
Method and apparatus for processing image data of a color filter array
For processing image data generated for a color filter array, classifiers are generated from the image data. A predetermined color component is determined by directional-interpolating the image...
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7577309 |
Direct vision sensor for 3D computer vision, digital imaging, and digital video
A method and apparatus for directly sensing both the focused image and the three-dimensional shape of a scene are disclosed. This invention is based on a novel mathematical transform named Rao...
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7577299 |
Image pickup apparatus and image pickup method
A form of the image pickup apparatus of the invention is characterized by including an image pickup portion that receives a incident light from an image-pickup object and performs a photoelectric...
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7577296 |
System and method for evaluating laser projection equipment
Systems and methods are provided for evaluating performance of a projector. An imaging screen is configured to produce an image of a pattern projected thereon. A camera is configured to capture and...
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7577279 |
Identity verification apparatus and fingerprint image pickup method
An identity verification apparatus includes a light source for applying light that can pass through an object to be detected and having a fingerprints to the object to be detected, an image pickup...
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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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7573493 |
Four color arrangements of emitters for subpixel rendering
Novel three-color and four-color subpixel arrangements and architectures for display and the like are herein disclosed. Novel techniques for subpixel rendering on the above subpixel arrangements...
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7570835 |
Edge smoothing filter for character recognition
A system and method for correcting defects in a black white image. An edge smoothing filter is disclosed that comprises: a system for selecting a block of pixels comprising one center pixel and...
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