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7599576 |
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...
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7593558 |
Method for movement-compensation in imaging
In a method for mathematical compensation of a periodic movement of an organ in a first image-generation method used to image said organ, two time series of three-dimensional image data are...
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7593592 |
Method of detecting blocking artifacts
Blocking artifacts within a sequence of digital images are detected by detecting a grid corresponding to the blocking artifacts. A portion of a digital image is high-pass filtered to supply a set...
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7593020 |
Image editing using image-wide matting
An image editing technique employing a layered representation of the image is presented. The image representation includes a main pixel color layer, a secondary pixel color layer, an alpha layer...
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7593594 |
Signal processing device, method, and program
An image processing device and method, where the device includes a data continuity detector configured to detect data continuity of a first image data made up of a plurality of pixels acquired by...
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7593586 |
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...
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7593593 |
Method and system for reducing effects of undesired signals in an infrared imaging system
Effects of undesired infrared light are reduced in an imaging system using an infrared light source. The desired infrared light source is activated and a first set of imaging data is captured...
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7590344 |
Adaptive processing for images captured with flash
An adaptive fill-flash technique for digital photography that employs flash and no-flash image pairs. A flash image, captured using a flash of known characteristics and ambient light, and an...
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7590306 |
Resolution adaptive image filtering system and method
A technique is provided for improving digital images by analysis of the sampling rate of the image data. The optimal sampling rate is determined, such as based on the point-spread function of the...
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7590290 |
Fail safe image processing apparatus
Methods of capturing image pixel data representing a scene may be practiced using a camera and may be implemented as software, such as an application program executing within the camera. The...
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7590305 |
Digital camera with built-in lens calibration table
A digital camera that automatically corrects dust artifact regions within acquired images by compiling a dust map includes an optical system for acquiring an image with a corresponding dust...
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7586658 |
Method and apparatus for removing color noise in image signal
In a method and apparatus for processing an image signal, luminance signals are generated for an object pixel and local pixels. A luminance dispersion value is then generated for the object pixel...
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7587099 |
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...
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7580952 |
Automatic digital image grouping using criteria based on image metadata and spatial information
An automatic digital image grouping system and method for automatically generating groupings of related images based on criteria that includes image metadata and spatial information. The system and...
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7580157 |
High-pass dither generator and method
A method and circuit for generating an M-bit digital dither signal with a substantially uniform probability density function and high-pass spectrum are disclosed. The circuit includes a linear...
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7580588 |
Image processing apparatus, image reading apparatus, and image forming apparatus
An apparatus includes a CCD that reads a script image, an analog front end unit (AFE) that adjusts the offset and the gain of an image signal and A/D-converts the image signal, an image processing...
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7580589 |
Filtering of noisy images
A method for correcting an image from defects and filtering from Gaussian noise corrects each pixel of the image when it is considered defective and filters it from Gaussian noise in one-pass. The...
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7577309 |
Direct vision sensor for 3D computer vision, digital imaging, and digital video
A method and apparatus for directly sensing both the focused image and the three-dimensional shape of a scene are disclosed. This invention is based on a novel mathematical transform named Rao...
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7577311 |
Color fringe desaturation for electronic imagers
A method for correcting colored fringe artifacts in a region of an image around saturated pixels captured by an electronic imager associated with a color filter array, includes providing a...
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7576777 |
Signal processing device, method, and program
An image processing device and method, where the image processing device includes a continuity region detector configured to detect a region having data continuity within image data made up of a...
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7576787 |
Image-pickup device, and device and method for correcting defective pixel
An image-pickup device includes a solid-image-pickup element which can select between an ordinary mode wherein all of a plurality of pixel signals are sequentially read and at least one...
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7574025 |
Oral implant template
A method for producing an artifact-corrected image of a negative jaw impression in a recipient jaw comprising, forming a negative impression of said recipient jaw, producing a first digital image...
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7574058 |
Image processing apparatus, method and program on a computer-readable medium that increases compression rate
A plurality of band-limited images is produced from an original image. A transformed image is produced by processing each pixel value in the band-limited images so that the absolute value of an...
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7570831 |
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...
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7570834 |
Image 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...
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7570288 |
Image processor
A pixel signal of Bayer pattern output from an imaging device is subjected to interpolation in a pixel interpolation circuit, and converted into a YCbCr signal in a color space conversion circuit....
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7570838 |
Image correction method for compensating for misalignment of pixels in holographic digital data storage system
For compensating for misalignment of pixels at the time of reproduction in a Holographic Digital Data Storage (HDDS) system, and thereby correcting an image, a stored page-based image is detected...
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7570830 |
Test method for image sharpness
The present invention discloses a test method for image sharpness, which can instantly determine the sharpness of a captured image, wherein a captured image is firstly divided into multiple blocks...
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7570818 |
Method for deblocking and transcoding a media stream
A method for deblocking and transcoding a media stream. A coefficient associated with a block of pixels of the media stream is received. A deblocking operation is performed on the coefficient to...
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7564490 |
Noise reduction apparatus, method and program
Uncorrelated noise is reduced in image data. To achieve this, CCD-RAW data, in which color components are output in order in accordance with an array of color filters that have been formed on the...
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7561752 |
Image processing apparatus
An image processing apparatus for removing block distortion comprises an area specifying unit 103 for specifying a block distortion area to remove the block distortion therefrom in a...
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7558437 |
Method and apparatus for image processing
In an image reading apparatus, the invention provides a method for detecting foreign matter which may adhere to a white reference plate, and correcting a reference value when foreign matter is...
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7558412 |
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...
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7551330 |
Image reading device, method of controlling the same, control program, storage medium and image forming apparatus provided with the image reading device
An image reading device includes a memory unit for storing positional information of a sensor for moving by a drive unit to read an image of a document and a control unit for controlling the drive...
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7551326 |
Image reading apparatus for detecting noise in image data
An image reading apparatus includes, with the purpose of detecting noise in an image due to dust on a platen, three line sensors, a platen between an original and the line sensors, a moving...
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7551800 |
Detection of airborne flash artifacts using preflash image
Flash image orb artifacts arising from specular reflections from airborne particles are corrected. An image of a scene using flash illumination and a reference image of substantially the same scene...
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7551799 |
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...
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7551798 |
Apparatus for reducing zipper of image and method thereof
This invention is related to a method and an apparatus for reducing the zippers of image. The method uses a recovery model to reduce the zippers of image. The recovered model performs calculations...
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7551795 |
Method and system for quantization artifact removal using super precision
An image processing method and system removes quantization artifacts in digital video/images. The local neighborhood of the current pixel is segmented based on a pre-defined quantization level to...
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7551794 |
Method apparatus, and recording medium for smoothing luminance of an image
A smoothing calculator determines a smoothed mean luminance value C 1 ×μ(t)+(1−C 1 )μ′(t−1) based on a mean luminance value μ(t) input at time t and a smoothed mean luminance value...
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7551322 |
Image edge filtering
Techniques for image edge filter processing are provided. Data samples surrounding vertical and horizontal edges of an image are acquired and iteratively processed. If the samples are associated...
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7551792 |
System and method for reducing ringing artifacts in images
A method reduces artifacts in an input image. A variance image is generated from the input image. The input image is partitioned into a plurality of blocks of pixels. A set of classifications is...
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7548647 |
Method and apparatus for digital-image red-eye correction that facilitates undo operation
A device that performs automatic red-eye correction on a digital image saves the original image data and a location indicator from each portion of the digital image on which red-eye correction is...
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7548661 |
Single-image vignetting correction
A system and process for determining the vignetting function of an image and using the function to correct for the vignetting is presented. The image can be any arbitrary image and no other images...
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7548660 |
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...
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7548662 |
System and process for increasing the apparent resolution of a display
A system and process for creating an apparently higher resolution image on a display exhibiting a lower resolution is presented. The basic idea is to make multiple decimated versions of an image at...
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7545995 |
Automated statistical self-calibrating detection and removal of blemishes in digital images dependent upon changes in extracted parameter values
A method of automatically correcting dust artifact within images acquired by a system including a digital camera includes determining that certain pixels correspond to dust artifact regions within...
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7545993 |
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...
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7545994 |
Method and apparatus for digital image manipulation to remove image blemishes
To better realize the great potential of amateur digital photography, the present invention introduces an intuitive system for digital manipulation. The system of the present invention allows a...
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7542622 |
Spatio-temporal treatment of noisy images using brushlets
Treatment and mitigation or reduction of noise effects in noisy image data and data sets is described. Various aspects include treatment of noisy data with brushlet transforms and thresholding...
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