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Image Analysis > Image Enhancement Or Restoration > Image Filter Image FilterImage Filter patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/25/07 - 20070248277 - Method and system for processing image data Processing image data includes receiving image data corresponding to an image, where the image data describes a number of pixels. A blurring filter is applied to the image data, where the blurring filter reduces contrast between at least some of the pixels. A stretching filter is applied to the image ... 09/27/07 - 20070223833 - Filtering method for removing block artifacts and/or ringing noise and apparatus therefor Provided are a filtering method and apparatus for removing blocking artifacts and ringing noise. The filtering method includes transforming video data on a block-by-block basis, and detecting the presence of an edge region in the video data by checking the distribution of values obtained by the transformation. Accordingly, it is ... 09/27/07 - 20070223831 - Image deblur based on two images A method includes (a) performing image deblur at the original size of underexposed and normally exposed images when their original image size is small. Otherwise, the method includes (b) downsizing the images and performing image deblur on the downsized images. The image deblur on downsized images includes (c) applying a ... 07/19/07 - 20070165962 - 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 upon the target pixel and the surrounding pixels. A high pass spatial filtering kernel is provided and multiplied with ... 07/12/07 - 20070160308 - Difference of sum filters for texture classification A method for filtering pixels is described. Filters including adjacent regions of pixels are defined and operators are associated with the regions. The operators are summation and subtraction operators. The filters have even and odd symmetry about a central axis. A total intensity value according to the application of the ... 06/28/07 - 20070147697 - Method for removing noise in image and system thereof Disclosed are a method for removing noise in an image, including the steps of: dividing image data contained in the image into predetermined unit areas; calculating each threshold corresponding to the unit area by using values of pixels contained in the unit area; detecting whether a first pixel containing impulsive ... 06/21/07 - 20070140581 - Image processing circuit and method An image processing circuit for eliminating noise from an image without lowering the actual resolution. The image contains input pixels, which include a processing subject pixel and proximal pixels located proximal to the processing subject pixel. Each input pixel has a pixel value. The image processing circuit includes a spatial ... 06/21/07 - 20070140580 - Digital image reconstruction using inverse spatial filtering A method for processing a source digital image wherein the source digital image is comprised of a plurality of pixels. A spatial filter is applied to the source digital image to produce an enhanced digital image. An inverse spatial filter is applied to the enhanced digital image to produce an ... 06/14/07 - 20070133894 - Fissure detection methods for lung lobe segmentation A fissure detection method for lung lobe segmentation in 3D image data is disclosed. In this method, 3D lung image data is filtered using one or more filters based on at least one of planar structures coupled with vessel suppression, curvature computations, and local gradient magnitude and direction comparisons. Fissures ... 06/07/07 - 20070127836 - Method and apparatus providing noise reduction while preserving edges for imagers A method of reducing noise in an image including steps for obtaining a first value for a target pixel, obtaining a respective second value for each neighboring pixel surrounding the target pixel and having the same color as the target pixel, for each neighboring pixel, comparing a difference between said ... 06/07/07 - 20070127835 - Spacial-temporal processing of digital images A digital image processing system (134) receives a signal S(x,y,t,c) where (x,y) are pixel coordinates, t is time, and c is a color component. The system generates the signal S*(x,y,t,c) as a function of a linear combination of the values S(x′,y′,t′,c) over a set A of points (x′,y′,t′) with plural ... 04/19/07 - 20070086671 - Image processing apparatus The invention concerns an image-processing apparatus, in which a high-frequency component signal of an original image-signal, representing a plurality of pixels, is added to either the original image-signal or a lowest frequency image-signal of the original image-signal, in order to generate a processed image-signal. The image-processing apparatus includes: a conversion-processing ... 04/19/07 - 20070086670 - Signal processing in barcode reading with a wavelet transformation A method for processing a digital signal obtained in a barcode reading operation comprises a step of applying a wavelet transformation to the digital signal. The noise threshold at each level of the wavelet transformation is determined from a total transfer function in the analogue processing stage, and the coefficients ... 03/29/07 - 20070071350 - 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 image processing system provides the ability to distinguish details when compressing dynamic range of a given image. Specifically, first ... 03/08/07 - 20070053605 - Method for generation of 3-d x-ray image data of a subject In a method for generation of 3D x-ray image data of a subject, a number of initial 2D x-ray images of the subject are acquired from various viewing directions. A number of noise-filtered 2D x-ray images are produced by, for each noise-filtered 2D image, combining at least two of the ... 03/01/07 - 20070047832 - Image signal processor and image signal processing method The disclosed is to provide an image signal processor and its method in which the enhancement of resolution and the effective reduction of noise are compatible. The image signal processor is provided with an edge character detector that detects a character of an edge of an object, an image signal ... 02/22/07 - 20070041654 - Embedded interaction code enabled surface type identification At least one image captured from a printed document and at least one image captured from a display surface other than a printed document are processed. A surface-type-identification module accepts as input both types of images and identifies, for a particular image, the type of surface from which the image ... 01/11/07 - 20070009170 - Image enhancing system An image enhancing system uses a perfect reconstructing filter to process image signals within a specified resolution and enhance the image signals. The image enhancing system includes an image-signal-obtaining unit, a first-signal-group processing unit, a high-pass/low-pass-image obtaining unit, a brightness-adjusting unit, a threshold unit, an amplifying unit, an adder and ... 01/04/07 - 20070003156 - Image enhancing system An image enhancing system uses a multi-resolution filter to analyze the image and process noise from the image and the details of the high frequency image. The image enhancing system uses a wavelet transform structure to decompose and process the image. The image enhancing system does not need to down ... 11/02/06 - 20060245662 - Iterative filtering for dithered imaging Filtering image information to generate a dithered image includes receiving input image information corresponding to an image generated using a first array comprising a first number of smaller pixels. Intermediate image information is generated from the input image information. The intermediate image information is generated to produce the image using ... 11/02/06 - 20060245661 - Apparatus and method for reducing noise in an image An image processor includes a Lee filter for processing image data to improve noise therefrom. The Lee filter includes a smoothing control signal. During filtering of the image data, the smoothing control signal is converted to a monochrome video signal that is provided to a display instead of, or in ... 10/26/06 - 20060239578 - Method and device for the echo compensation of a reception signal A method and a device are provided for the echo compensation of a reception signal, a transmission signal being composed of a plurality of transmission subsignals which are generated in a corresponding plurality of signal paths, and a transmission combination signal, which corresponds to a combination of the plurality of ... 10/12/06 - 20060228041 - Optical lithography verification process An apparatus and method for optical lithography verification includes filtering a lithography simulation of proposed sub-lightwave pattern formations during at least one design phase or manufacturing phase of an article of manufacture having sub-lightwave structures and then detecting design phase or manufacturing phase defects in response to the filtering of ... 09/28/06 - 20060215926 - Concealed object recognition A method for viewing a first object that is obstructed by a second object. In such a method, the first object has a contrasting color to the second object and the second object is constructed from a material that allows visible light to pass therethrough. The amount of visible light ... 08/17/06 - 20060182364 - System and method for sharpening vector-valued digital images Sharpening multi-spectral digital images without increasing noise is accomplished by filtering vector values rather than independent scalar values. A low-pass filter is performed on image A to obtain a blurred image B1 with noise and signal suppressed. The resulting blurred image B1 is subtracted from the original image A to ... 07/06/06 - 20060147124 - Perceptual coding of image signals using separated irrelevancy reduction and redundancy reduction A perceptual coder is disclosed for encoding image signals, such as speech or music, with different spectral and temporal resolutions for redundancy reduction and irrelevancy reduction. The image signal is initially spectrally shaped using a prefilter. The prefilter output samples are thereafter quantized and coded to minimize the mean square ... 06/29/06 - 20060140501 - Method, apparatus and system for multi-feature programmable tap filter image processing Apparatus, systems and methods for providing a multi-feature, programmable tap filter architecture for image processing are disclosed. In one implementation, a system includes an image data source for providing image pixel data, an image filtering coefficient source for providing a plurality of image filtering coefficient sets, and image processing logic ... 06/01/06 - 20060115175 - Methods, apparatus and system for film grain cache splitting for film grain simulation The present invention provides a method, apparatus and system for film grain cache splitting for film grain simulation. In one embodiment of the present invention a method for storing film grain patterns includes storing at least a first portion of film grain patterns in an internal memory and storing at ... 06/01/06 - 20060115174 - Blur estimation in a digital image A method performed by a processing system is provided. The method comprises computing an auto-correlation of sharp channel information of a digital image, computing a cross-correlation between the sharp channel information and blurred channel information of the digital image, and estimating a blur kernel using the auto-correlation and the cross-correlation. ... 05/25/06 - 20060110062 - 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 weights associated with the pixels. The filter weights are based on edge contents of at least a portion of the at ... 05/18/06 - 20060104535 - Method and apparatus for removing false edges from a segmented image In a method for processing one or more images, an image is segmented into a segmentation map including a plurality of pixel groups separated by edges, including at least some false edges. The segmentation map is filtered to remove the false edges. The segmentation step is repeated to generate an ... 03/23/06 - 20060062485 - Method and system for filtering in medical imaging A method and system for filtering medical images is described. The described method of filtering medical images includes receiving image data including a plurality of images from an image scan, determining a number of interpolation elements based on a slice thickness of the plurality of images, and filtering the image ... 03/16/06 - 20060056721 - Method and system for scaled exponential smoothing A method and system for scaled exponential smoothing are provided. Multiple exponentially smoothed values are maintained for items and events occur on one or more of the items. The method maintains a gradually inflated representation of the smoothed values of items, such that the representation at a given time for ... 02/16/06 - 20060034539 - Bi-selective filtering in transform domain Methods, machines, and computer-readable media for processing an input image with a bi-selective filter in a transform domain are described. In one aspect, a forward transform of an input image is computed. A bi-selective filter smoothes image regions with low magnitude coefficients and sharpens image regions with high magnitude coefficients. ... 02/09/06 - 20060029286 - Image processing method An image processing method is disclosed. The method comprises capturing a plurality of images of a sample using a scanning electron microscope (SEM). The method further comprising computing a mean value for each pixel location in the plurality of images and forming an integrated image with the mean values. The ... 02/09/06 - 20060029285 - Method for helical windmill artifact reduction with noise restoration for helical multislice ct A method of removing an imaging artifact in a medical image, including obtaining a first plurality of images, the first plurality of images collectively defining a first image volume; filtering the first plurality of images to create a second plurality of images, each image in the second plurality of images ... 02/02/06 - 20060023966 - Method and system for producing interactive, three-dimensional renderings of selected body organs having hollow lumens to enable simulated movement through the lumen A method and system are provided for effecting interactive, three-dimensional renderings of selected body organs for purposes of medical observation and diagnosis. A series of CT images of the selected body organs are acquired. The series of CT images is stacked to form a three-dimensional volume file. To facilitate interactive ... 02/02/06 - 20060023965 - Adjusting pixels by desired gains and factors A low frequency value for a pixel value is adjusted by a desired gain. A first high frequency value for the pixel value is calculated. A second high frequency value is generated for the first high frequency value. The second high frequency value is the first high frequency value adjusted ... 01/19/06 - 20060013501 - Method and apparatus for image processing A method for image processing comprising the steps of processing an image comprising a plurality of pixels each having an intensity to produce an image processed image comprising a plurality of pixels, applying a preservation filter to the image to produce at least one preservation value corresponding to at least ... 12/22/05 - 20050281478 - Method and software for improving coronary calcium scoring consistency Methods and devices for improving the machine-to-machine and temporal (e.g., inter and intra-machine) and database consistency of coronary calcium scoring by applying a filtering algorithm that sharpens and/or smoothes the image so as to return a filtered image having a spatial resolution of a certain reference value. ... 12/01/05 - 20050265621 - 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 image in the set of 2D images, wherein the first algorithm calculates an estimated point spread function (PSF) ... 11/24/05 - 20050259888 - Method and apparatus to correct digital image blur due to motion of subject or imaging device Signal processing techniques are applied to digital image data to remove the distortion caused by motion of the camera, or the movement of the subject being photographed, or defective optics, or optical distortion from other sources. When the image is captured, the effect of relative motion between the camera and ... 11/24/05 - 20050259887 - Video deblocking method and apparatus Methods and systems for processing pixels within a current macroblock are disclosed. Aspects of the method may comprise acquiring a plurality of pixels that are adjacent to the left of a plurality of selected pixels within the current macroblock. A portion of the plurality of selected pixels within the current ... 11/24/05 - 20050259886 - Methods and systems for locally adaptive image processing filters The present disclosure provides methods and systems for image processing by locally adaptive filters that preserve the edges while smoothing the image. In the exemplary method, a filter adjusts image pixel values utilizing a locally adaptive weighted average method. To adjust the value of a target pixel, the filter uses ... 11/17/05 - 20050254721 - Image processing method, image processing system, and x-ray ct system An image processing method includes producing a graph of a cumulative distribution function that provides a cumulative number of pixels, working out a local standard deviation, using a graph of the cumulative distribution function, and repeating the working-out while shifting the investigation domain so that the investigation domain will cover ... 11/03/05 - 20050244076 - Method and apparatus of filtering pixels in a video encoding process A method and apparatus, particularly suited to SIMD instruction sets, to filter streaming video information encoded under a predictive encoding algorithm specified under video encoding standards, such as MPEG 4 or H.264/AVC. The filtering operation de-blocks or removes unwanted borders in the perceived video. During the filtering process, a series ... 11/03/05 - 20050244075 - System and method for estimating image noise A method for estimating image noise. Image data for at least one column of pixels and at least one row of pixels of the image is sampled. At least one filter is applied on sampled image data resulting in at least one sequence of filtered values. A feature set of ... 11/03/05 - 20050244074 - System and method for estimating image sharpness A method for determining image sharpness estimation of an image. Image data for at least one column of pixels and at least one row of pixels of the image is sampled. A first filter is applied on sequential differences of sampled image data resulting in a first filtered sequence of ... 11/03/05 - 20050244073 - Polynomial approximation based image filter methods, systems, and machine-readable media Polynomial approximation based image filter methods, systems, and machine-readable media are described. In one aspect, multiple n-order polynomial approximations to a value of a target pixel of an input image are computed from multiple respective sets of m values of pixels in a neighborhood of the target pixel, wherein n≧0 ... 09/29/05 - 20050213840 - Method for image stabilization by adaptive filtering A method for removing undesired motion from a sequential plurality of related images utilizes adaptive filtering of image motion to determine image shifts. Differences between sequential image motions are taken with respect to a reference frame and a smoothing filter is applied to such differences of a sample of images ... 09/01/05 - 20050190984 - Method for filtering tomographic 3d images after completed reconstruction of volume data A method is for filtering tomographic 3D images of an examination object. The examination object is imaged by using a volume model that divides the volume of the examination object into a multiplicity of three-dimensional image voxels with individual image values, wherein the image value of each voxel reproduces an ... 08/11/05 - 20050175253 - Method for producing cloud free and cloud-shadow free images A method for generating a cloud free and cloud-shadow free image from a plurality of images of a region, the method including the steps of ranking pixels in order of cloudiness and shadowness, generating cloud and shadow masks by classifying a group of pixels as cloud, shadow, or noncloud-nonshadow, and ... 08/04/05 - 20050169552 - Method of automatic image processing Method is disclosed for the automatic creation of images in a “van Gogh” style. The method comprises locating portions of detail in an image an utilising the areas of detail to propagate brush strokes into areas of the image having lesser details. A number of modifications are also proposed including ... 08/04/05 - 20050169551 - System for improving an image displayed on a display A system for improving the an image displayed on a display. ... 07/28/05 - 20050163394 - Method of improving fingerprint images In a method of improving fingerprint images, wherein recorded images are processed on image areas of the fingerprint images by using Gabor filters, the Gabor filters are adapted to characteristic quantities of the image in the relevant image area to be processed. ... 07/21/05 - 20050157939 - Processes, products and systems for enhancing images of blood vessels Processes, program products, and systems for enhancing images. The process includes the steps of padding image data to produce padded image data, transforming the padded image data to produce transformed image data, smoothing a substantial portion of the transformed image data, re-transforming the transformed image data to produce smoothed image ... 07/07/05 - 20050147315 - Mean filter device and filtering method An mean (average value) filter apparatus includes first accumulation means (1) for accumulating a predetermined number of pixels located in the vicinity of each pixel in a first dimensional direction for the pixel data arrangement constituting a second dimensional image, thereby generating first accumulation pixel data of each of the ... 07/07/05 - 20050147314 - User definable image reference points A method for image processing of a plurality of digital images comprising the steps of determining one or more sets of pixel characteristics, each set having at least one characteristic that is location independent; determining for each pixel characteristic set, an image processing filter; providing a mixing function algorithm embodied ... 06/30/05 - 20050141780 - Image processing apparatus, image processing method, program, and storage medium An image processing apparatus decomposes an image into frequency components of at least two frequency bands, and generates a basic conversion table used to change values of the frequency components. The image processing apparatus sets an expansion/contraction ratio of the basic conversion table on the basis of a pixel value ... 06/30/05 - 20050141779 - Enhancing the quality of decoded quantized images A system for image enhancement and, more particularly, a system for enhancing the quality of a quantized image. ... 06/23/05 - 20050135698 - System and method for image noise reduction using a minimal error spatiotemporal recursive filter Certain embodiments of the present invention provide a system and method for reducing image noise with the use of a minimal error spatiotemporal recursive filter. An input image is filtered both temporally and spatially, producing a temporal output and a spatial output. Both the temporal output and the spatial output ... 06/23/05 - 20050135697 - User adjustable image enhancement filtering In an image enhancement method, computer program product, and system a set of boundary frequencies within a frequency spectrum are defined. The boundary frequencies divide the spectrum into a plurality of different spatial frequency regions. A digital image is then processed with a filter having a plurality of functions. Each ... 06/02/05 - 20050117811 - Image processing apparatus, an image processing method, and a computer readable medium having recorded thereon a processing program for permitting a computer to perform image processing routines In order to provide an image processing apparatus and an image processing method whereby a high quality output image can be consistently obtained, regardless of the order in which an operator sets the parameters for the performance of filtering, (I) a GUI module (9a) stores, in an input value storage ... ### FreshPatents.com Support |