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Image Analysis > Image Enhancement Or Restoration > Image Filter > Adaptive Filter Adaptive FilterAdaptive 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.11/08/07 - 20070258657 - Method and apparatus providing adaptive noise suppression 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, identifying a spread for the second values, comparing the spread to a threshold value, and, if the spread ... 08/09/07 - 20070183682 - Method and system for improved processing of image data The present invention is a method and system for deriving histograms for neighborhoods of pixels in an image that uses subtractive image regions to increase the size of overlapping regions of regions of series of adjacent image pixels to a size equal to the size of a full neighborhood. Each ... 08/09/07 - 20070183681 - Adaptive image filter for filtering image information This disclosure describes adaptive filtering techniques to improve the quality of captured imagery, such as video or still images. In particular, this disclosure describes adaptive filtering techniques that filter each pixel as a function of a set of surrounding pixels. An adaptive image filter may compare image information associated with ... 07/26/07 - 20070172140 - Selective enhancement of digital images A method for image processing of a digital image is described comprising applying an image processing filter (17) as a function of the correspondence between each pixel in the image and a first target image characteristic (12) and a second target image characteristic (13). In a further embodiment, a method ... 06/21/07 - 20070140582 - Systems and methods for reducing noise in image sequences A method for reducing noise in an image sequence includes: detecting structures in an image sequence; estimating lighting changes in the image sequence and compensating for the estimated lighting changes; detecting moving structures in the image sequence using the detected structures after compensating for the estimated lighting changes in the ... 06/14/07 - 20070133895 - Method for filtering image noise using pattern information Disclosed is a method for removing image noise using pattern information, which filters noise caught by a sensor during preprocessing of a compression codec, so as to increase a compression efficiency, and noise caused by the codec during post-processing of the codec, so as to obtain high quality images. The ... 05/24/07 - 20070116374 - Adaptive multistage wiener filter A computationally efficient, adaptive multistage Wiener filter employs two modules, a linear filter module that operates at the input data rate and an update module that operates at a plurality of rates but performs many calculations at only the update rate. This filter is especially useful when the channel conditions ... 05/24/07 - 20070116373 - Multi-resolution adaptive filtering Systems and methods which analyze an image and extract features of the image therefrom for use in filtering are shown. Based on the features and structures, embodiments determine how to filter at different orientations and with different filter configurations. Filters utilized according to embodiments are adaptive with respect to spatial ... 05/17/07 - 20070110329 - Data processing apparatus, data processing method, and program A data processing apparatus for processing image data includes a variance information calculator configured to calculate variance information indicating the degree of variance of pixel values for each of a plurality of pixels constituting the image data; a smoothing section configured to smooth the variance information and to output a ... 05/03/07 - 20070098292 - Digital camera and method Deblurring of digital camera images by estimating the blur function from an image extracted from a video sequence taken about the time of an image capture. The extracted image is selected to be the sharpest of the images of the video sequence, and comparison of this sharpest image with the ... 04/19/07 - 20070086672 - System and method for partitioned-image filtering A system and method are provided for processing visual imagery. The method may include the operations of collecting an image of medical radiology performed on a patient. An intensity gap analysis can be applied to the reconstructed image to determine partitioning values for the image. A further operation is dividing ... 04/05/07 - 20070076972 - System and method of spatio-temporal edge-preserved filtering techniques to reduce ringing and mosquito noise of digital pictures A method can include selecting a block of pixels. It may be determined whether the block of pixels contains an edge pixel. If the block of pixels contains an edge pixel, a first pixel may be selected among the block of pixels. If it is determined that the first pixel ... 03/29/07 - 20070071352 - Conversion of a sub-pixel format data to another sub-pixel data format A method of producing a plurality of filter kernels comprised of filter coefficients for use in a sub-pixel rendering operation comprises calculating a plurality of filter coefficients for each filter kernel by dividing a spatial area of an input image that is overlapped by a portion of a spatial rendering ... 03/29/07 - 20070071351 - Television image filtering A digital image filtering method and system are provided. A first matrix of a plurality of pixels is selected from a digital image to be displayed. The luminosity values of each of the pixels in the pixel matrix are analysed and the luminosity difference between the maximum and minimum luminosity ... 02/01/07 - 20070025634 - Demosaicing graphical content Demosaicing of graphical content is provided. In an illustrative implementation a demosaicing engine executing one or more demosaicing algorithms is employed to operate on graphical content to provide better quality and higher resolution images. In operation, the demosaicing engine operates in two modes, a training/learning mode, and a run time ... 12/21/06 - 20060285765 - Accelerative noise filtering method for image data An accelerative noise filtering method for image data is provided. The present invention includes selecting four neighboring pixels around a target pixel in a pattern of a cross shape or X shape, and calculating the absolute value of a difference between the target pixel and each of the four neighboring ... 11/23/06 - 20060262989 - Image enhacement A method of converting an input image into an enhanced output image is disclosed. The method comprises: detecting (606) whether a particular pixel of the input image corresponds to an edge in the input image; establishing (606) an orientation for the particular pixel; and computing a final pixel value of ... 11/16/06 - 20060257045 - Method and system for extending binary image data to contone image data A method and system converts a binary image into an analog image by first tagging pixels that are part of edges in the digital image and using this tagging information to eliminate such tagged pixels from the digital filtering process. The elimination of such tagged pixels from the digital filtering ... 11/16/06 - 20060257044 - Perceptual filter support techniques A system, apparatus, method and article to filter media signals are described. The apparatus may include a media processor. The media processor may include an image signal processor having multiple processing elements to process a pixel matrix to determine a set of filter support pixels for a target pixel, select ... 11/16/06 - 20060257043 - Techniques to detect gaussian noise A system, apparatus, method and article to filter media signals are described. The apparatus may include a media processor. The media processor may include an image signal processor having multiple processing elements to determine a level of noise for an image using an internal spatial region of said image, select ... 09/28/06 - 20060215927 - Signal processing device and method, recording medium, and program The present invention relates to a signal processing apparatus and a method, a recording medium, and a program, in which portions except an edge can be smoothed while the edge whose change in pixel value is steep is held correctly. A pixel of attention is determined in step S11, and ... 08/17/06 - 20060182365 - Method and apparatus for processing line pattern using convolution kernel A method and apparatus for processing a line pattern using a convolution kernal. An apparatus for processing a line pattern, the apparatus including a light source module radiating predetermined light and a camera module capturing an image of an object, onto which the light is radiated, the apparatus processing a ... 07/20/06 - 20060159361 - Image filter, image filtering method and computer program A first pixel group containing a pixel of interest, a second pixel group containing the first pixel group, and a third pixel group containing the second pixel group are defined. A first reference pixel value is calculated based on the first pixel group, and a second reference pixel value is ... 06/22/06 - 20060133689 - Adaptive filter An adaptive filter that, in one embodiment, filters rows of pixels of an image in a vertical direction, stores the results in row vectors, and then filters the row vectors in the horizontal direction, and displays the results or stores the results for later display. Coefficients of a reference filter ... 06/15/06 - 20060126960 - Pattern classification and filter design for increasing image resolution A method for improving image resolution includes (a) selecting a low-resolution pixel in a low-resolution image; (b) generating a vector that characterizes a low-resolution patch about the low-resolution pixel; (c) classifying the low-resolution patch into one of a plurality of possible patterns; (d) if said one pattern is one of ... 04/20/06 - 20060083439 - don't care pixel interpolation A system and method facilitating image smoothing is provided. The invention includes an image processor having an image receptor and an image smoother. The invention provides for the image smoother to alter the value of a don't care pixel based, at least in part, upon a weighted average of care ... 04/13/06 - 20060078220 - Image processing based on degree of white-background likeliness An image processing device includes a filtering unit which filters an input image with variable frequency characteristics, an edge detection unit which detects magnitudes of edges appearing in the input image, and a degree-of-white-background-likeliness detection unit which detects degrees of white-background likeliness in respect of local areas of the input ... 04/13/06 - 20060078219 - Image viewing and method for generating filters for filtering image feaures according to their orientation Image processing system for generating a multidimensional adaptive oriented filter to process image data in a number d of dimensions, comprising product means for producing weighted scalar coefficients [W1(r), . . . Wi(r), . . . Wd(r)] of a number d of vectors of an oriented basis of vectors by ... 02/09/06 - 20060029287 - Noise reduction apparatus and method Noise reduction processing in accordance with frequency band is executed. To accomplish this, a image data dividing circuit divides image data into image data having frequencies in a low-frequency region, image data having frequencies in a low- to intermediate frequency region and image data having frequencies in a low- to ... 12/29/05 - 20050286792 - 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 two-dimensional filter can be configured to perform a separable or non-separable filter. The type of filter can be configured, along with the size ... 11/03/05 - 20050244077 - Method, apparatus and program for image processing Appropriate deblurring is carried out on a partially blurry image. Edge detection means detects edges in 8 directions in a reduced image, and block division means divides the reduced image into 16 blocks. Analysis means analyzes images in the blocks based on edge characteristic quantities thereof, and judges whether each ... 10/13/05 - 20050226525 - Image magnification device and image magnification method A high-definition magnified image is obtained by simple computation. A magnified image is obtained by obtaining a deteriorated image on the basis of an input original image, determining enhancement filters used for individual small areas of the original image using the deteriorated image at least, performing a filtering process by ... 09/29/05 - 20050213841 - Image processing Image processing method, particularly suitable for processing noisy images such as digitised mammograms. An adaptive anisotropic diffusion processing method is described in which the diffusion parameter is adjusted in accordance with the contrast in the image. An adaptive foveal segmentation method is also described in which the segmentation parameters are ... 09/08/05 - 20050196063 - Loop filtering method and apparatus A loop filtering method and apparatus are provided. The loop filtering method includes: calculating blocking effect strength based on coding type information, which specifies the coding type of a block to be filtered, a motion vector of the block, and reference frame information, which identifies a reference frame; determining a ... 08/18/05 - 20050180652 - Structure characterization of images A method and system for characterizing structures in an image are presented. The method and system generates a structure checksum value based on a plurality of pixels in the image. The structure checksum is used as an index of a look-up table containing structure characteristics corresponding to the structure checksum ... 07/07/05 - 20050147316 - De-ringing filter An image de-ringing filter system and method are provided. The method comprises: accepting image pixels; collecting data from a first group of pixels neighboring a test pixel; in response to the first group data, deciding if the test pixel includes image ringing artifacts; collecting data from a second group of ... 06/23/05 - 20050135700 - Directional spatial video noise reduction A method of reducing spatial noise in an image. Low-pass (smoothing) filters are calculated simultaneously from three successive image rows. Three blocks (m1, m2, m3) are associated with the three successive image rows, and the blocks are processed in row-major order. This implementation is applicable to both luminance and chrominance. ... 06/23/05 - 20050135699 - Directional video filters for locally adaptive spatial noise reduction Spatial noise is reduced in an image having a plurality of pixels by detecting object boundaries and unstructured areas in the image and applying 3-tap high pass filters to each pixel in the image in at least four, but less than eight directions to determine the best direction for local ... ### FreshPatents.com Support |