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7616349 |
Font sharpening for image output device
A method of rendering text in an image forming device comprises providing a user interface to receive a user-defined font sharpening threshold; receiving the user-defined font sharpening threshold...
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7613342 |
Method and device for displaying or searching for object in image and computer-readable storage medium
A method of representing an object appearing in a still or video image, by processing signals corresponding to the image, comprises deriving a curvature scale space (CSS) representation of the...
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7609867 |
Method for determining a three-dimensional structure from a two-dimensional image, in particular a bone structure
The object of the invention is a process for determining the mechanical resistance of a bone from a digitized two dimensional image, obtained by imaging, characterized in that there is carried out...
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7609300 |
Method and system of eliminating color noises caused by an interpolation
A method and system of eliminating color noises caused by an interpolation, which performs an interpolation on a Bayer image obtained by an image sensor to restore red, green and blue colors of...
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7599579 |
Interpolated image filtering method and apparatus
A technique for processing a digital image in which an operator selection of a field of view triggers the automatic selection of a shrink factor, so that image processing and quality is uniform...
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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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7586646 |
System for processing and classifying image data using halftone noise energy distribution
A method and system is provided for processing scanned data representative of a document image for classifying portions of the data into contone, low frequency halftone or high frequency halftone...
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7580158 |
Image processing apparatus, method and program
An image analysis unit analyzes an image on which AE processing has been performed and obtains a coefficient for obtaining a gradient of a compression table for compressing a dynamic range of the...
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7577314 |
Method and apparatus for generating a panorama background from a set of images
A method of generating a panorama background from a set of images comprises dividing each of the images into blocks and comparing color-space features of corresponding blocks of the images to...
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7573508 |
Image signal processing apparatus and method for performing an adaptation process on an image signal
An image signal generated by a CCD image sensor is processed by the block-generating section 28 provided in an image-signal processing section 25 . A class tap and a prediction tap are thereby...
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7570835 |
Edge smoothing filter for character recognition
A system and method for correcting defects in a black white image. An edge smoothing filter is disclosed that comprises: a system for selecting a block of pixels comprising one center pixel and...
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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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7570812 |
Super precision for smoothly changing area based on segmentation and low-pass filtering
A super precision image processing system improves the precision of videos and images and eliminates the stage-like artifacts in the smoothly changing areas. In order to obtain higher precision...
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7561751 |
Image processing method
Low-pass filtering is applied only to the borders of an original mage to reduce the noise in the borders of image, thereby preventing errors in extrapolation. Then, an extended region is provided...
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7561186 |
Motion blur correction
A method and apparatus of correcting blur in a motion blurred image includes estimating the direction of blur in the motion blurred image based on edge response of the motion blurred image over a...
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7558436 |
Image dynamic range control for visual display
Preferred embodiments of an image display system achieve mapping of high dynamic range image data to render on a lower dynamic range display device a corresponding image characterized by stable...
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7558419 |
System and method for detecting integrated circuit pattern defects
There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a technique of, and system for inspecting integrated circuits, including, for...
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7557963 |
Label aided copy enhancement
Regions within a scanned document are labeled according to content. These labeled regions allow for particular enhancement and sharpening methods to be applied. The labeled regions may be further...
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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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7545533 |
Apparatus and method for controlling colors of color image
A method of and apparatus for converting a color space. The method includes: separating a color signal of a given pixel into a brightness component and a saturation component; obtaining a boundary...
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7542620 |
Robust temporal dithering and filtering
A temporal dithering manager uses temporal dithering to reduce contouring artifacts due to bit limiting. The temporal dithering manager truncates low order bits of an input signal, creates a...
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7542174 |
Image processing method for reducing jaggy effect
An image processing method for reducing jaggy effect, which is applied in an image output device, is provided. Firstly, a continuous tone image is generated, and continuous tone pixels are defined...
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7536561 |
Method and apparatus for improved information transactions
A method and system for making information available of a computer system and compensating information owners or creators for access to said information. In various aspects, the invention provides...
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7528883 |
Method for blurred image judgment
A method for blurred image judgment is provided. Firstly, a focus value FV 1 of an original image is calculated. By using a blur function, the original image is obfuscated to generate a blurred...
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7528844 |
Interpolation of plotted points between sample values
A video display for digitized video data interpolates values between time samples, such as luminance over a horizontal line or over an average of all the horizontal lines in a video signal, so as...
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7528830 |
System and method for rendering 3-D images on a 3-D image display screen
A system includes a 3-D display device with a display screen, an addresser for addressing the 3-D screen, and a renderer having an input for a 3-D model and an input for at least one viewpoint for...
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7526139 |
Image processing for improving character readability of characters disposed on an image
An image processing apparatus includes: a memory that stores a background image and a character image that is separate from the background image and overlaps the background image; a processing...
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7519231 |
Hierarchical scheme for blur detection in a digital image
Methods and apparatuses are provided for detecting blur within digital images using Cepstrum analysis blur detection techniques that are able to detect motion blur and/or out-of-focus blur.
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7512274 |
Block retouching
A system and method facilitating image retouching is provided. The invention includes an image retoucher having a boundary detector and an image extender. The invention provides for the image...
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7505841 |
Vision-based occupant classification method and system for controlling airbag deployment in a vehicle restraint system
A vehicle restraint system has a vision-based occupant classification system for control of airbag deployment during a crash scenario. The classification system utilizes two imaging sensors which...
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7492819 |
Video coding apparatus
In order to enhance the picture quality of a detected area, the present invention provides a video coding apparatus. In the apparatus, a reliability indicative of the degree of coincidence of an...
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7466364 |
Device for reducing flicker defects
The invention relates to a device for reducing flicker disturbances in a video signal having a temporal median filter and a filter connected downstream. The temporal median filter serves for...
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7463387 |
Multilevel value output device
When the input value becomes close to the medium dot relative density value (Den_M), the large dot threshold value (Thre_L) and medium dot threshold value (Thre_M) become close to each other. It is...
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7450639 |
Advanced noise estimation method and apparatus based on motion compensation, and method and apparatus to encode a video using the same
An advanced noise estimation method is provided. The noise estimation method includes calculating motion compensation information of the input picture at a first resolution, calculating the motion...
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7444034 |
Systems and methods for image enhancement in multiple dimensions
A multi-dimensional data enhancement system can be embedded within a video cable for providing enhanced video images from a video signal source to a display. The multi-dimensional data enhancement...
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7440501 |
Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding
Adjacent blocks are identified in an image. Coding parameters for the adjacent blocks are identified. Deblock filtering between the identified adjacent blocks is skipped if the coding parameters...
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7440149 |
Arrangement and method for correcting different transfer characteristic curves for segmented image sensors (CCDs)
The invention provides an arrangement and a method for generating electrical image signals from an image original. The arrangement is, for example, a film scanner which illuminates or...
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7437014 |
Methods and systems for model reduction and system identification of dynamic systems with multiple inputs
Methods and systems for model reduction and system identification of dynamic systems with multiple inputs are disclosed. In one embodiment, a method includes generating a plurality of statistically...
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7433084 |
Digital de-screening technique for scanned documents
A method and system for de-screening an image signal utilizing a bank of filters to provide several increasingly blurred versions of the original image signal is disclosed. At any given time, only...
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7430336 |
Method and apparatus for image enhancement for low bit rate video compression
A method and apparatus for deblocking and edge enhancement of block based digital video includes determining that two blocks share a common boundary; measuring edge activity of the common boundary,...
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7430334 |
Digital imaging systems, articles of manufacture, and digital image processing methods
Digital imaging systems, articles of manufacture, and digital image processing methods are described. According to one aspect, a digital imaging system includes an imaging system configured to...
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7430315 |
Face recognition system
The face detection system and method attempts classification of a test image before performing all of the kernel evaluations. Many subimages are not faces and should be relatively easy to identify...
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7418154 |
Methods of suppressing ringing artifact of decompressed images
A suppression method that provides adaptive (i.e., selective) processing of an input picture to generate an enhanced output picture with ringing-like areas of the input picture suppressed. For each...
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7418130 |
Edge-sensitive denoising and color interpolation of digital images
A method of processing a mosaic digital image includes simultaneously performing edge-sensitive denoising and color interpolation on a first color plane of the digital image. The interpolation...
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7412106 |
Methods for locating and decoding distorted two-dimensional matrix symbols
A method is presented for processing an image of a two-dimensional (2D) matrix symbol having a plurality of data modules and a discontinuous finder pattern, each distorted by “donut effects”. A...
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7411696 |
Smooth gray component replacement strategy that utilizes the full device gamut
Systems and methods are disclosed of a smooth gray component replacement strategy which utilizes the full gamut of a printer device. A CMY to CMYK gray component replacement transform is disclosed...
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7397964 |
Gaussian blur approximation suitable for GPU
A Gaussian blur approximation is applied to an image by repeated down-sampling operations followed by an up-sample operation. By using a truncated Gaussian filter as the down-sample filter, the...
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7397952 |
“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...
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7391933 |
Method and apparatus for image interpolation based on adaptive polyphase filters
An interpolation system interpolates image positions in an original image to produce an interpolated output image, wherein the original image is represented by digital input pixel data. A first...
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