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Image Analysis > Image Enhancement Or Restoration > Artifact Removal Or Suppression (e.g., Distortion Correction)

Artifact Removal Or Suppression (e.g., Distortion Correction)

Artifact Removal Or Suppression (e.g., Distortion Correction) 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.

11/01/07 - 20070253638 - Digital image acquisition and processing system
A digital image acquisition and processing system that automatically corrects dust artifact regions within acquired images by compiling a statistical dust map from multiple images acquired under different image acquisition conditions is provided. The system includes a digital camera and an external processing device. The camera includes an optical system ...

10/25/07 - 20070248281 - Prespective improvement for image and video applications
A system and method for reducing distance-based distortion in a camera image of an object, where the distanced-based distortion is due to differences in distance from the camera to different parts of the object. In one approach, the distortion is reduced by estimating distances to different parts of the object ...

10/25/07 - 20070248280 - Sign coring for contour reduction
A method for contour reduction in a digital picture is disclosed. The method generally includes the steps of (A) buffering a plurality of luma samples in a current line of the digital picture, each of the luma samples having a respective input value, (B) calculating a plurality of horizontal sum-of-signs ...

10/04/07 - 20070230819 - Method and apparatues for image inspection
An image checking process wherein only a defective or differential portion of a checked image is displayed together with its position and wherein no pre-processing is required for image positioning. A computer (3) captures a reference image or Fourier transformed image thereof from a storage part, a CCD camera (1) ...

10/04/07 - 20070230818 - Optimal hiding for defective subpixels
A technique for the modification of sub-pixels to hide defects for defective sub-pixels. ...

09/13/07 - 20070211960 - Image processing apparatus for correcting distortion of image, imaging apparatus, and method of correcting distortion of image
An image processing apparatus for electrically correcting distortion of an input image to generate an output image, includes a correction processing section operable to sequentially read data of the input image for each pixel in an order of scanning, and perform distortion correction for each pixel of the output image ...

08/30/07 - 20070201760 - Flat-field, panel flattening, and panel connecting methods
A plurality of panels are assembled into a single image. Each of the panels may have different intensities throughout the panel, as well as non-uniformities between panels. The panels are modified using flat-field calibration, panel flattening, and panel connecting techniques. These techniques correct for non-uniformities and provide a cleaner, single ...

08/16/07 - 20070189636 - Signal processing method, signal processing apparatus, and image reading apparatus
Upon processing a visible light image signal and infrared image signal respectively obtained by illuminating a transparent document with light beams coming from a visible light lamp for mainly emitting visible light and an infrared lamp for mainly emitting infrared light, and photoelectrically converting optical images of the transparent document, ...

08/16/07 - 20070189635 - Method for noise reduction in imaging methods
A method for noise reduction in imaging methods is disclosed. In at least one embodiment, two statistically independent image data records in the same situation are generated, are subjected to wavelet transformation characterized by a low-pass filter and a high-pass filter, the correlation between the independent image data records is ...

08/02/07 - 20070177817 - Region-based image denoising
An “Image Denoiser” provides a probabilistic process for denoising color images by segmenting an input image into regions, estimating statistics within each region, and then estimating a clean (or denoised) image using a probabilistic model of image formation. In one embodiment, estimated blur between each region is used to reduce ...

06/21/07 - 20070140590 - Image evaluation apparatus, image evaluation method, computer readable medium and computer data signal
An image evaluation apparatus includes a pixel extraction unit, an intra-pair difference calculation unit, an inter-pair difference calculation unit and an evaluation unit. The pixel extraction unit extracts, from an input image, a pixel region including a pair of block-boundary pixels in a boundary position of coding blocks and a ...

06/21/07 - 20070140589 - Image processing method and apparatus thereof
In case of an image region having a property of abrupt changes in luminance and tint, even when a region made up of pixels having luminance values and tint levels similar to those of one point designated by the user is extracted as a correction region with reference to the ...

06/21/07 - 20070140588 - Film grain generation and addition
High-frequency noise is generated that approximates the appearance of traditional “film grain” for a digital video signal. By adding a relatively small amount of film grain noise, the video can be made to look more natural and more pleasing to the human viewer. The digital film grain generation can be ...

06/21/07 - 20070140587 - Auto-regressive method and filter for denoising images and videos
A method and apparatus for denoising digital images or videos, which is an extension of the spatial varying filter (SVF) by using a past filtered pixel, instead of the current pixel itself as the input for producing an output for the current pixel. Based on this concept, a number of ...

06/14/07 - 20070133898 - Input distribution determination for denoising
A denoising process or system uses convex optimization to determine characteristics of a clean signal. In one embodiment, a noisy signal that represents a set of symbols can be scanned to determine an empirical vector with components respectively indicating respective empirical probabilities of symbols in the noisy signal that occur ...

06/07/07 - 20070127841 - Image processing for correcting defects of read image
An image reading apparatus having a visible light source for emitting visible light, an invisible light source for emitting invisible light, an imaging optical system for irradiating a document by these light sources to form optical images of the document, and a CCD for photoelectrically converting the optical images of ...

06/07/07 - 20070127840 - Method for removing streaks from a scanned image
A method for removing streaks from a scanned image includes performing a scanner light source OFF scan to generate a dark image having M rows of pixels and N+W columns of pixels; generating a line noise profile for the N columns of pixels of the dark image; performing a scanner ...

06/07/07 - 20070127839 - Image creation device, image creation method, and image creation program
A captured image of an object is input twice using a white background and a black background, after which the opacity D and the color image X of the object are obtained to yield an object image. It is possible to easily create a high-quality real image. ...

05/31/07 - 20070122056 - Detection and removal of blemishes in digital images utilizing original images of defocused scenes
A method automatically corrects dust artifact within images acquired by a system including a digital acquisition device including a lens assembly and a translucent lens cap. Multiple original digital images are acquired with the digital acquisition device. Probabilities that certain pixels correspond to dust artifact regions within the images are ...

05/24/07 - 20070116380 - Method and apparatus of correcting hybrid flash artifacts in digital images
A method for digital image eye artifact detection and correction include identifying one or more candidate red-eye defect regions in an acquired image. For one or more candidate red-eye regions, a seed pixels and/or a region of pixels having a high intensity value in the vicinity of the candidate red-eye ...

05/24/07 - 20070116379 - Two stage detection for photographic eye artifacts
An image acquisition device includes a first speed-optimized filter for producing a first set of candidate red-eye regions for an acquired image; and a second analysis-optimized filter for operating on the first set of candidate red eye regions and the acquired image. ...

05/17/07 - 20070110332 - Flicker correction for moving picture
In flicker correction of a moving picture consisting of a plurality of frames, moving averages of accumulative histograms are calculated for each frame on image data. Then, gamma tables for correcting the image data of a frame in the plurality of frames are made such that the accumulative histograms after ...

05/17/07 - 20070110331 - Image processing device and method
A vehicle-mounted image-processing device and method is provided to remove fixed pattern noise from images due to the image pickup element. Images captured consecutively with a camera are superimposed and stored in an image memory. A controller extracts the high spatial frequency component from the stored images, and the images ...

05/03/07 - 20070098296 - Estimating and removing lens distortion from scenes
Some embodiments provide a method of editing images with distortion caused by a camera lens. The method identifies a set of geometries on a set of images taken by the camera lens. The method finds transformations for applying on the set of identified geometries to remove distortion on the geometries. ...

04/19/07 - 20070086674 - Method and apparatus for image processing capable of effectively reducing an image noise
A noise eliminating device may include a noise eliminating mechanism that eliminates an isolated noise in an image being photographed. The noise eliminating mechanism may include a noise pixel detection mechanism and a pixel correction mechanism. The noise pixel detection mechanism may detect a noise pixel by scanning the image. ...

04/12/07 - 20070081739 - Modifying text or images when defect pixels are found on a display
A method of modifying text or images on a display having defective pixels, in order to make the text or images more legible. The image or text is shifted away from nonfunctioning pixels, moving the picture to a suite of pixels that are functioning. Second, the image or text is ...

04/05/07 - 20070076976 - Methods for eliminating artifacts in two-dimensional optical metrology
Methods for eliminating artifacts in two-dimensional optical metrology utilizing the interline CCD detectors are based on a dark-subtraction principle. The self-dark subtraction method takes advantage of strong correlation between the noise patterns in illuminated and dark regions within the same image. Image artifacts are removed and the S/N ratio is ...

03/29/07 - 20070071357 - Method for correction of relative object-detector motion between successive views
An apparatus and method for correction of relative object-detector motion between successive views during optical tomographic imaging in three dimensions. An object of interest is illuminated to produce an image. A lateral offset correction value is determined for the image. An axial offset correction value is determined for the image. ...

03/22/07 - 20070065039 - Image capturing apparatus with image compensation and method thereof
An image capturing apparatus with image compensation and a method thereof, which can perform compensation of a user's facial image that is distorted in accordance with the position of an image capturing device such as a camera. The image capturing apparatus with image compensation includes an image capturing unit capturing ...

03/15/07 - 20070058883 - Image processing method and x-ray ct system
An object of the present invention is to provide an image processing method for reducing noises without causing a side effect and an X-ray CT system that performs the image processing. An input image is wavelet-transformed using a gradient form. Resultant wavelet vectors are classified into categories of strongly edged ...

03/15/07 - 20070058882 - Applying localized image effects of varying intensity
A method for applying localized image effects to digital images is provided. The method includes receiving a selection representing a location in proximity to a region in the digital image requiring one or more correction. The region requiring correction is processed by an image processing engine to determine the boundaries ...

03/15/07 - 20070058881 - Image capture using a fiducial reference pattern
Systems and methods are provided related to a system for imaging an object and a fiducial reference pattern that is projected onto or beside the object. The captured image of the fiducial reference pattern is used to detect a distortion in the captured image of the object. ...

03/08/07 - 20070053608 - Method for reducing mosquito noise
A method of reducing mosquito noise in a digital image. As mosquito noise is often most plainly visible in the “background” of an image (e.g., the sky or some other backdrop to objects within an image), the luminance value of the background of the image is first determined. Then, the ...

03/01/07 - 20070047835 - Image-processing method
An image-processing method includes: subjecting original image data indicative of an original image to a selective noise reduction by reducing noise from pixel data that meets a prescribed condition among all the pixel data in the original image data; and performing a first calibration to calibrate contrast of a backlight ...

02/15/07 - 20070036459 - Digital signal processing apparatus
A digital signal processing apparatus comprises a wavelet transforming device that divides an input digital signal into a first low-frequency sub band and a first high-frequency sub band by wavelet transformation and further divides the first low-frequency sub band into a second low-frequency sub band and a second high-frequency sub ...

02/15/07 - 20070036458 - Digital signal processing apparatus and digital signal processing program
A digital signal processing apparatus, comprises: a wavelet transforming device comprising an interleave transformer that divides and rearranges an input digital image signal by dividing the input digital image signal into a plurality of regions by down-sampling and a wavelet transformer that decomposes the rearranged digital Image signal Into a ...

02/01/07 - 20070025636 - Image processing device
An image processing apparatus applied to a digital camera, includes: a frame memory that inputs and stores, via a bus, image data obtained by capturing an optical image through an optical system by a CCD; a first data-order converting unit that reads and inputs the image data from the frame ...

01/18/07 - 20070014484 - Method and system for adaptive film grain noise processing
Described herein are a method and system for distinguishing various characteristics of an image and selectively removing them. In video processing applications, the available compression bandwidth may determine the amount of coding loss that will be required. For very low rate encoding, film grain noise may be removed in order ...

01/11/07 - 20070009177 - Method for reproducing an image frame
A method for reproducing an image frame in an electronic device to improve a shift of reference points in a distorted frame is provided. The first of the method is to generate a plurality of offsets by comparing a pre-stored matrix of reference points with a corresponding matrix of testing ...

01/11/07 - 20070009176 - Multi-resolution processing of digital signals
Representations of an input signal at different lower resolutions are obtained, where n denotes a level of resolution, and where 0≦n≦N. Level n=N corresponds to the representation having the lowest resolution, and level n=0 corresponds to the input signal. The resolution increases as level n decreases. The nth level representation ...

01/11/07 - 20070009175 - Image processing based on local noise statistics
Processing of a digital image includes applying a function to a plurality of pixels in the image, the function relating a noise statistic to pixel intensity values. By applying the noise statistic function, a noise statistic value is produced for each of the pixels. Each of the pixels is processed ...

01/04/07 - 20070003159 - Image processing device and image processing method
An image processing device for correcting a deformation of a photographic image of an object to be photographed, the deformation resulting from a photographic position of the object, comprises an inputting unit that inputs the photographic image; an image correcting unit that corrects a deformation of the photographic image inputted ...

01/04/07 - 20070003158 - System and method for filtering image noise
A method for filtering image noise includes the steps of: acquiring an image; converting gray-scale values of the image and sharpening the image; defining axes perpendicular to image borders and selecting intersecting points between the axes and the image border; creating an object points set and inputting all the intersecting ...

01/04/07 - 20070003157 - Artifact removal and quality assurance system and method for scanned images
An artifact removal and quality assurance method and system for digital images, wherein a document comprising at least one printed page is scanned or the original image data are otherwise input. The input digital image data are segmented into components as to content type. The components are classified as either ...

12/28/06 - 20060291746 - Method of and apparatus for removing color noise based on correlation between color channels
A method of and apparatus for removing color noise are provided. The apparatus includes a first filtering unit, a subtracting unit, a second filtering unit, and an adding unit. The first filtering unit removes color noise from color data of a first channel among input interpolated color data and outputs ...

12/28/06 - 20060291745 - Apparatus and method for compensating for defective pixel
An apparatus and a method for compensating for a defective pixel are provided. The apparatus includes a defective pixel information detecting unit and a halftoning unit. The defective pixel information detecting unit detects whether input continuous gray scale data forms a defective pixel caused by a defective image-forming element and ...

12/28/06 - 20060291744 - System and method for two-dimensional keystone correction for aerial imaging
A digital keystone correction process locates image points in a corrected image from image points in a distorted image that was produced by misalignment of the axis of a sensor such as a camera. The correction process locates corrected image points by constructing intercept points that are the intersections of ...

12/14/06 - 20060280377 - Defective pixel specifying method, defective pixel specifying system, image correcting method, and image correcting system
A defective pixel specifying method and a defective pixel specifying system for a semiconductor device having a defective pixel are provided. Also provided are an image correcting method and an image correcting system for making a defective pixel inconspicuous on the screen when a read image is displayed. The present ...

12/14/06 - 20060280376 - Method for geometry distortion correction
A method for pre-processing image data is proposed, wherein a image (PI) is pre-distorted in order to compensate a distortion created by a display process. According to the inventive method an additional memory is used wherein said image (PI), a pre-distorted image (PPI), parts thereof, in particular extra pixels thereof, ...

12/14/06 - 20060280375 - Red-eye correction method and apparatus with user-adjustable threshold
An electronic device that performs automatic red-eye correction on digital images includes a user-adjustable threshold, enabling the user to adjust the sensitivity of the automatic red-eye-correction algorithm dynamically while viewing marked candidate red-eye locations in a digital image. Such dynamic adjustment of the threshold facilitates the rejection of false positives ...

12/07/06 - 20060274963 - Image recording apparatus, image recording method and program therefor
The invention is to correct a red-eye portion without requiring a coordinate input apparatus, also to properly correct a red-eye portion present in a position designated by a user, and to detect a red-eye portion, without utilizing a fluorescent ink. The invention provides an image recording apparatus which detects a ...

12/07/06 - 20060274962 - Systems and methods for improved gaussian noise filtering
According to some embodiments, systems and methods for improved Gaussian noise filtering may be provided. In some embodiments, a system, method, and/or article of manufacture may be operable to receive, at a Gaussian noise filter, video input comprising data associated with a plurality of video pixels, identify a pixel from ...

11/23/06 - 20060262993 - Method and a device for reducing image noises
An image noise reduction method in frequency domain is provided, comprising selecting a first image and applying a Fourier transform thereon to acquire a first frequency spectrum, wherein each pixel of the first frequency spectrum has a real part X and a imaginary part Y, calculating a first energy of ...

11/16/06 - 20060257047 - Image processing apparatus, image processing method, and image processing program
In order to accurately remove an unnecessary periodic noise component from an image, a reconstruction unit generates a reconstructed image without a periodic noise component by fitting to a face region detected in an image by a face detection unit a mathematical model generated according a method of AAM using ...

11/16/06 - 20060257046 - Apparatus and method for image noise reduction
A hardware implemented method for reducing noise in an image is provided. In this method, a difference between color values of corresponding pixels within the image is calculated, and the calculated difference is compared with a threshold value. The threshold value is defined as a rate of color value change ...

11/09/06 - 20060251335 - Image processing method, apparatus, and program
An image processing apparatus capable of eliminating noise from a digital image with edges maintained intact. The apparatus includes: an input means for accepting a digital image; a noise amount determination unit for determining the amount of noise in the digital image, and setting noise elimination power; a noise suppression ...

11/09/06 - 20060251334 - Balance function diagnostic system and method
A balance diagnostic apparatus and system is given a portable size and weight and also expands the places of use and methods of use to a large range, thus achieving an environment where anyone can undergo diagnosis of balance disorders at any time or any place. At least motion sensor ...

11/02/06 - 20060245667 - 1-d image restoration using a sliding window method
A method of image restoration in an image processing system is provided. An observed image of an original image, wherein the observed image comprises multiple samples, is received. For a selected sample from the multiple samples, a subset of the multiple samples is selected, wherein said subset includes the selected ...

11/02/06 - 20060245666 - Method and system for digital image enhancement
Disclosed systems and methods for enhancing digital images to reduce visual noise and artifacts. In particular, the systems and methods include detecting information edges in images and processing an image at different spatial frequencies. ...

10/26/06 - 20060239585 - System and method for reducing artifacts in motion corrected dynamic image sequences
A system and method for reducing artifacts in a motion corrected image sequence are provided. A method reducing an artifact in a motion corrected image sequence comprises: applying a deformation to a reference image of a plurality of post-contrast enhanced images to obtain an interpolated version of the reference image; ...

10/19/06 - 20060233458 - Information storage medium, information recording method, information playback method, information recording apparatus, and information playback apparatus
Various kinds of digital broadcast recording and playback are supported even when PSI (Program Specific Information) or SI (Service Information) is unknown. A management area of an information storage medium used in digital broadcast recording has management information for each broadcast station, and also management information of a type that ...

10/19/06 - 20060233457 - Drawing apparatus with drawing data correction function
A data correcting apparatus is for correcting drawing data representing a drawing pattern included in a quadrangular drawing area of a drawing subject. The correction process is based on an ideal position and an actual position of the drawing area on the drawing subject. An actual outline is an outline ...

10/19/06 - 20060233456 - Apparatus for removing false contour and method thereof
An apparatus and method for removing a false contour are provided. The apparatus includes a false contour region detector which detects a false contour region formed in a flat region of similar pixel values; an edge and detail region detector which detects an edge region and a detail region of ...

10/12/06 - 20060228043 - Image processing apparatus
An image processing apparatus receives an input image signal and performs an enhancement process on a high frequency component included in the input image signal based on a low frequency component of the input image signal. The apparatus extracts a low frequency component from the input image signal and combines ...

10/12/06 - 20060228042 - Use of frequency transforms in the analysis of image sensors
A method for detecting and removing noise from an image, the method includes the steps of applying a frequency transform to the image for obtaining a magnitude image; applying a threshold value to values of the magnitude image for obtaining threshold values; setting one or more threshold values to a ...

10/05/06 - 20060222261 - Use of frequency transforms in the analysis of image sensors
A method for detecting and removing noise from an image, the method includes the steps of applying a frequency transform to the image for obtaining a magnitude image; applying a threshold value to values of the magnitude image for obtaining threshold values; setting one or more threshold values to a ...

09/21/06 - 20060210192 - Automatic perspective distortion detection and correction for document imaging
A method and apparatus for detecting and correcting perspective distortion for document imaging is described. The document template of the present invention contains special markers that define the corners of the document. One of these markers, different from the others, uniquely identifies a particular corner. When an image of a ...

09/21/06 - 20060210191 - Artifact reduction in a digital video
A method performed by a processing system is provided. The method comprises performing a first set of correlations between a first plurality of pixel values in a first frame and a target pixel value in a target frame of a digital video across all of a plurality of color channels ...

09/14/06 - 20060204128 - System and method for correcting image vignetting
A method of correcting vignetting in an image. The image inlcudes a plurality of pixels, each pixel having an intensity. The image is flattened by adjusting the intensity of each pixel based on a vignette function representative of vignetting characteristics of the image, the vignette function having a plurality of ...

08/31/06 - 20060193533 - Method and system for correcting distortions in image data scanned from bound originals
During scanning bound originals such as a book, a bound portion of the book is often scanned into distorted image since the bound portion is lifted from a common scanning surface. As a result of the distorted image, the bound portion needs to be corrected before the scanned image data ...

08/24/06 - 20060188172 - Image processing apparatus, image processing method, and distortion correcting method
An image processing apparatus has a distortion correction processing unit. The image processing apparatus has a distortion correcting range calculating unit that calculates an input image range necessary for distortion correction processing of the distortion correction processing unit. Thus, the corrected image (output image) obtained by the distortion correction processing ...

07/20/06 - 20060159365 - Rear projection display device
A rear projection display device includes a screen, an image-processing unit for receiving an image signal, an optical projection unit forming an image light beam and projecting the light beam to form a projected image on the screen, a photo detection unit for sensing the projected image and outputting a ...

07/20/06 - 20060159364 - Evaluating method of image information, storage medium having evaluation program stored therein, and evaluating apparatus
An evaluating method of image information acquires image information, performs camera shake evaluation of the image information by determining a camera shake direction on the basis of the image information, and performs out-of-focus evaluation of the image information by using information concerning a camera shake direction determined in the camera ...

06/29/06 - 20060140506 - Suppression of ringing artifacts during image resizing
An economical method of detecting and suppressing ringing artifacts during digital image resizing is presented. The economical method substitutes costly division calculations with cost effective comparator operations. The method also includes improved image sharpening when up-sampling an image. ...

06/29/06 - 20060140505 - Suppression of ringing artifacts during image resizing
An economical method of detecting and suppressing ringing artifacts during digital image resizing is presented. The economical method substitutes costly division calculations with cost effective comparator operations. The method also includes improved image sharpening when up-sampling an image. ...

06/29/06 - 20060140504 - Program for correcting image distortion, apparatus for correcting image distortion, method for correcting image distortion, and recording medium storing program for correcting image distortion
A projection set of geodesic lines which are parallel with each other on a curved surface of a paper face is extracted from an image in which a paper face has been imaged by an image-pickup device, using the paper face contents as a clue; and also a projection set ...

06/29/06 - 20060140503 - Methods for correcting distortions of image-taking video signals and apparatus for correcting distortions of image-taking video signals
A method and an apparatus for correcting distortions of image-taking video signals and an apparatus for correcting distortions are provided. The apparatus and method thereof are capable of reducing distortion generated in a taken image caused by a hand movement and by a characteristic of an image-taking lens in an ...

06/29/06 - 20060140502 - Active visor system for eliminating glare in field-of-vision from mobile and transient light sources and reflective surfaces
A field-of-vision processing and filtering system for eliminating glare from mobile and transient light sources and reflective surfaces, using image recording, eye-position detection, and a active matrix screen functioning as a dynamically controllable visor, for modifying the field of vision appropriately. The system filters out high light intensity points from ...

06/01/06 - 20060115179 - Operation device for video data
A video file containing video data and file information is read from a storage medium. A processing amount determination section determines the amount of processing required by a process of decoding the video data from the file information. A decoding section decodes the video data on the basis of the ...

06/01/06 - 20060115178 - Artifact reduction in a digital video
A method performed by a processing system is provided. The method comprises detecting an artifact in a first frame of a digital video using a plurality of edges identified in the first frame and replacing a region that encompasses the artifact in the first frame with a corresponding region from ...

06/01/06 - 20060115177 - Image processing device and image processing program
An image processing apparatus includes: an image obtaining unit that obtains an image captured with an image sensor; and a defect information generating unit that generates defect information indicating a defect within the image having been obtained, based upon a value at a target pixel and an average value of ...

05/25/06 - 20060110065 - Block filtering system for reducing artifacts and method
A method includes identifying a pair of image data blocks separated by a boundary. The image data blocks include image information defining multiple pixels in at least one image. The method also includes identifying at least one filter length based on edge contents of at least some of the pixels ...

05/18/06 - 20060104538 - Method for reducing noise in images
There is provided a method of reducing block noise, mosquito noise and other image noises in an image by a filtering process using a smoothing filter, which block noise, mosquito noise and other image noises being caused at the time of decoding encoded, compressed image data on a block-by-block basis. ...

05/18/06 - 20060104537 - System and method for image enhancement
Provided is a system and method for processing images. A method is provided for separating the image into two or more spatial phase data components, determining a luminance value multiplier to enable the two or more spatial phase data components to match in luminance, using the luminance value multiplier to ...

05/04/06 - 20060093239 - Image processing method and image processing device
An image processing method processes a captured image, which is captured by a capturing means includes an image processing method for generating a corrected captured image by correcting a distortion appearing within the captured image by use of a MMF model. ...

05/04/06 - 20060093238 - Method and apparatus for red-eye detection in an acquired digital image using face recognition
A method for red-eye detection in an acquired digital image comprises acquiring a first image and analysing the first acquired image to provide a plurality of characteristics indicative of image quality. The analysing step may also include recognizing one or more faces or types of face in the first acquired ...

05/04/06 - 20060093237 - Systems and methods for correcting image perspective
Systems and methods for correcting perspective in an image are invented and disclosed. One embodiment comprises capturing image data responsive to light incident upon an image-capture device, wherein the image data includes a first perspective of a subject-of-interest, providing an image-processing algorithm executable by the image-capture device, the image-processing algorithm ...

03/16/06 - 20060056725 - 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 up table for stable windows when the window is stable, and image enhancement values are obtained from a look ...

03/09/06 - 20060050984 - Split-remerge method for eliminating processing window artifacts in recursive hierarchical segmentation
A method, computer readable storage, and apparatus for implementing recursive segmentation of data with spatial characteristics into regions including splitting-remerging of pixels with contagious region designations and a user controlled parameter for providing a preference for merging adjacent regions to eliminate window artifacts. ...

03/02/06 - 20060045378 - Method of correcting artifacts in an image signal
An artifact profile signal is generated representing an estimation of the contribution of artifacts to a reference signal G comprising these artifacts, in regions defined around the position of artifact generating element(s). Signal portions in these regions are extracted from the image signal. The artifact profile signal is deformed so ...

02/16/06 - 20060034541 - Reducing differential resolution of separations
Certain disclosed implementations use digital image processing to reduce the differential resolution among separations or images in film frames, such as, for example, red flare. A location in the red image may be selected using information from another image. The selected location may be modified using information from that other ...

01/19/06 - 20060013502 - Dithered encoding and decoding information transference system and method
Methods for encoding transitions between low-intensity regions and high-intensity regions such that the transitions are more readily detectable in a digital image captured by a digital image capture device. The encoding applied to the transitions act to retard and minimize blooming effects and ISI that can occur in the digital ...

01/12/06 - 20060008174 - Count adaptive noise reduction method of x-ray images
A method of adaptively reducing noise within an x-ray image includes receiving raw data (R) representing a detected x-ray signal from an object. A counts-based modulation mask (Mcb) is generated in response to the raw data (R). In one embodiment, a structure dependent noise filtered image (Iblended) is generated in ...

01/05/06 - 20060002625 - Method and system for reducing artifacts in image detection
An imager captures light reflecting off an object of interest and generates two or more images of the object. A controller identifies one or more non-interpretation regions in one of the captured images and uses the non-interpretation regions to reduce a number of artifacts in a final image. ...

12/29/05 - 20050286799 - Method and apparatus for converting a photo to a caricature image
A method for creating a caricature image from a digital image is provided. The method initiates with capturing digital image data. The method includes locating a facial region within the captured image data. Then, a facial feature template matching a facial feature of the facial region is selected. Next, the ...

12/22/05 - 20050281479 - Method of and apparatus for estimating noise of input image based on motion compensation, method of eliminating noise of input image and encoding video using the method for estimating noise of input image, and recording media having recorded thereon progr
A method of and an apparatus for estimating noise based on motion compensation. The method includes estimating a motion vector for a predetermined-size current block of the input image, calculating a difference between a block corresponding to the estimated motion vector and the current block, comparing the calculated difference with ...

12/15/05 - 20050276510 - 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 one-pass improves the speed for performing the correcting and filtering. The drawbacks associated with choosing incompatible defect ...

12/15/05 - 20050276509 - Method and system for immediately determining incorrect pixel values of a captured image
A method for immediately determining incorrect pixel values of a captured image on an optical mouse, which determines a quality of an image in a video stream captured by the optical mouse and accordingly finds a motion distance for the optical mouse. The method first computes a set of match ...

12/15/05 - 20050276508 - Methods and systems for reducing optical noise
Methods and Systems for reducing or eliminating the optical noise in acquired images. In one embodiment, the method of this invention includes acquiring two images of an object, where, in each of the images, the object subtends a different angle and orientation with respect to a device utilized to acquire ...

12/08/05 - 20050271296 - Image processing apparatus, information processing apparatus, control method therefor, and program
Input image data is divided into a plurality of blocks. The skew angle of each divided block with respect to a predetermined direction is detected. Image data input from an input unit is converted into vector data for each divided block. The vector data corresponding to the divided block is ...

12/01/05 - 20050265629 - Signal processing method and system for noise removal and signal extraction
A signal processing method and system combining smooth level wavelet pre-processing together with artificial neural networks all in the wavelet domain for signal denoising and extraction. Upon receiving a signal corrupted with noise, an n-level decomposition of the signal is performed using a discrete wavelet transform to produce a smooth ...

12/01/05 - 20050265628 - False contour reduction device, display device, false contour reduction method, and false contour reduction program
A false contour reduction device reduces the occurrence of false contours on a display screen. The false contour reduction device includes a false contour occurrence pixel detection circuit, a specific color pixel detection circuit, and a false contour reduction processing circuit. The false contour occurrence pixel detection circuit detect at ...

12/01/05 - 20050265627 - Noise reduction apparatus
A noise reduction apparatus includes a subtracter receives a motion video signal and finds a difference signal indicative of a difference from a motion video signal preceding by 1 frame and from which noise is removed, a first multiplier executes multiplication so as to increase/decrease the difference signal corresponding to ...

11/24/05 - 20050259889 - De-noising digital radiological images
This invention relates to a method for de-noising digital radiographic images based upon a wavelet-domain Hidden Markov Tree (HMT) model. The method uses the Anscombe's transformation to adjust the original image to a Gaussian noise model. The image is then decomposed in different sub-bands of frequency and orientation responses using ...

11/17/05 - 20050254725 - Image processing method and apparatus for red eye correction
An image processing apparatus for correcting red eye phenomenon in a photographic image is disclosed. The apparatus includes a fog degree calculating section for calculating a degree of red fog present in a face area, based on values of pixels included in the face area selected from the photographic image, ...

10/27/05 - 20050238250 - Method for concealing dark defect in image sensor
Disclosed is a method for concealing a dark defect in an image sensor. The method includes the steps of: setting a window including five sequential pixels from pixel data sequentially outputted, the third pixel and the fifth pixels being identical in Bayer color with each other and the second and ...

10/20/05 - 20050232510 - Virtual image generation
Artifacts are detected in a cyclopean virtual image generated from stereo images. A disparity map is generated from the stereo images. Individual projected images are determined based on the disparity map and the corresponding stereo images. A difference map is computed between the individual projected images to indicate the artifacts. ...

10/20/05 - 20050232509 - Virtual image artifact detection
Artifacts are detected in a cyclopean virtual image generated from stereo images. A disparity map is generated from the stereo images. Individual projected images are determined based on the disparity map and the corresponding stereo images. A difference map is computed between the individual projected images to indicate the artifacts. ...

10/13/05 - 20050226528 - Method and apparatus for compensating data image reproduced from holographic system
The present invention provides a method and apparatus for preprocessing a page image reproduced from a storage medium in a holographic system. The present invention calculates pixel sums for each lines in the page image to select a maximum sum, calculates a modified maximum sum using the modified maximum sum ...

10/13/05 - 20050226527 - Motion artifact correction of tomographical images
The invention relates to a method in which the information contents of an image of a moving object is enhanced. The invention also relates to a system in which such a method can be carried out and to a computer program enabling a data processing unit to carry out such ...

10/06/05 - 20050220360 - Moire correction in images
Image defects in a digital image are reduced by a process comprising providing a digital image data set in the form of a matrix of pixels; selecting a sub-matrix comprising at least a 5×5 matrix of pixels; identifying a pixel within the sub-matrix to be treated as a central pixel; ...

09/29/05 - 20050213847 - Image pickup apparatus and image pickup method
The present invention provides an image pickup apparatus and an image pickup method capable of suppressing degradation of the picture quality caused by correction of optical distortion. A distortion correction circuit corrects optical distortion contained in digital image data obtained by photographing conducted via a lens. Correction coefficients (gain) are ...

09/29/05 - 20050213846 - Image processing system, projector, program, information storage medium, and image processing method
A projector includes an image projection section, a sensor that senses a projected first calibration image at a low resolution and generates first sensing information, senses the first calibration image at a high resolution and generates third sensing information, and senses a second calibration image at a high resolution and ...

09/29/05 - 20050213845 - 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 imaged object is estimated, and by using the image, the estimated foreground region and the estimated background region, a ...

09/22/05 - 20050207671 - Data presentation device
A material presentation device is provided with: a materials stage for placing a material; a camera for capturing the image of the material on the materials stage and supplying a picture signal; an arm for holding the camera in a freely swinging state; a sensor for detecting the angle of ...

09/22/05 - 20050207670 - Method of detecting blocking artefacts
The invention relates to a method of detecting blocking artefacts within a sequence of digital images. The method comprises a step of high-pass filtering a portion of a digital image, intended to supply at least one card of discontinuity pixels. It also comprises a step of detecting blocking artefacts, intended ...

09/08/05 - 20050196067 - Correction of redeye defects in images of humans
In a method and system for correcting redeye in a digital image of a human, a defect pair separation is measured. The members of the defect pair are each redeye defects in the image. Each defect has one or more pixels. The defects are adjusted, that is, retained unchanged or ...

09/01/05 - 20050190986 - Image processing device, image projection apparatus, image processing method, recording medium, and computer data signal
A captured image projection apparatus obtains projection parameters and image effect correction parameters from a moving image captured at a low resolution in a task different from a task in which capturing of a high-resolution still image is to be performed, when a change ceases to occur in the moving ...

08/18/05 - 20050180655 - Image conversion device image conversion method and image projection device
An image processing apparatus for reducing a load of processing of an interpolation operation at the time of a correction of keystone distorted image is provided. The image processing apparatus has an interpolating means (11, 12) for receiving as input original image data, executing a first interpolation operation a plurality ...

08/11/05 - 20050175255 - Apparatus and method for correcting distortion of input image
A three-dimensional curved-surface model can be estimated by using both two-dimensional outlines obtained from a piece of image photographed from the top and a restriction that the paper is rectangular. Then, only the three-dimensional distortion in the image can be corrected based on the obtained three-dimensional curved-surface model. ...

08/11/05 - 20050175254 - System and method for compensation of scintillator hysteresis in x-ray detectors
A method and system for detecting the potential of an x-ray imaging system to create images with scintillator hysteresis artifacts includes examining an x-ray image to measure two signal levels for two areas of interest, then determining a difference between the two signal levels and comparing the difference to a ...

07/28/05 - 20050163397 - Image subtraction of illumination artifacts
A method of removing an artifact resulting from an in-line illumination device of an imaging system from an object image. It includes obtaining a first image of the artifact using a first artifact illumination level and imaging the object using the imaging system wherein the illumination device is using an ...

07/28/05 - 20050163396 - Captured image projection apparatus and captured image correction method
A calligraphy/drawing camera image-captures a document and sends a resultant captured image to a personal computer (S101). The personal computer applies various image processes such as correction of various deformations including a trapezoidal deformation based on image information obtained from the captured image, a rotation process, a cut out process, ...

07/21/05 - 20050157942 - System and method for estimating noise using measurement based parametric fitting non-uniformity correction
A system and method for estimating noise using measurement based parametric fitting non-uniformity correction is disclosed. Fixed pattern noise (“FPN”) is estimating from an overall noise component within a detection system to enhance candidate target detection and tracking. A sensor in the detection system receives energy, such as radiant flux, ...

07/14/05 - 20050152616 - Method and apparatus for automatic scanner defect detection
Defects are automatically detected in an image scanning device by performing a defect calibration scan of an image scanning area and detecting at least one defect in at least one section of the image scanning area. A tag is generated for the section of the image scanning area in which ...

07/07/05 - 20050147321 - Displaying spatially offset sub-frames with a display device having a set of defective display pixels
A method of displaying an image with a display device having a set of defective display pixels includes receiving image data for the image. The method includes generating a first sub-frame and a second sub-frame corresponding to the image data. The method includes selecting a first position and a second ...

07/07/05 - 20050147320 - Methods and apparatus for artifact reduction
A method for facilitating a reduction in image artifacts is provided. The method includes receiving data regarding a scan of an object, reconstructing a plurality of images using the received data to form a three-dimensional image space, determining an orientation for a maximum intensity pixel operation, locating the maximum intensity ...

06/23/05 - 20050135704 - Scanned image generating device and a method thereof and a pollution occurrence judging device thereof
A scanned image generating device, including a shading data calculation part to calculate shading data by scanning a white sheet, an average calculation part to calculate an average between an object pixel and neighboring pixels of the object pixel based on the shading data calculated by the shading data calculation ...

06/23/05 - 20050135703 - Method of removing stains from digital images
A method of removing stains from digital images. First, the differences between a selected pixel and its adjacent pixels are computed. Those adjacent pixels with a difference greater than a first standard value are marked as special points. The special points of the selected pixel are enumerated. The selected pixel ...

06/16/05 - 20050129331 - Pupil color estimating device
An original pupil color of a subject person in an image in which an abnormality such as a red-eye or gold-eye occurs is estimated. Further, whether an image correction is required or not and to produce an image having a natural pupil color in the image correction by estimating the ...

06/16/05 - 20050129330 - Method and apparatus for mpeg artifacts reduction
Disclosed herein are methods and apparatus, including computer program products, implementing and using techniques for reducing mosquito noise in an image frame of a video signal. A window of the image frame is provided. The window includes a plurality of pixel values. One of the pixel values is selected from ...

06/09/05 - 20050123215 - Method and apparatus for the reduction of artifacts in computed tomography images
A method for reducing artifacts in image data generated by a computed tomography system is provided. The artifacts are due to the presence of a high density object in a subject of interest. Initially, measured sinogram data is received from the computed tomography system. The sinogram data is representative of ...

06/02/05 - 20050117814 - Noise filtering in images
A temporal recursive filter unit (100,200,300,400) for noise filtering of a series of input images resulting in a series of output images comprises: means (102) for determining a value of a weighing factor, on basis of a difference between a first value of a first pixel of an input image ...

06/02/05 - 20050117813 - Image reproducing apparatus and image reproducing method
An image reproducing device and an image reproducing method that can control a brightness and/or a contrast of a sub image according to a brightness and/or a contrast of a main image and minimize eyestrain of users are provided. The image reproducing device comprises an image signal inputting part for ...



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