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| Number | Title | Issue Date |
| 8189945 | Digital video content fingerprinting based on scale invariant interest region detection with an array of anisotropic filters Video sequence processing is described with various filtering rules applied to extract dominant features for content based video sequence identification. Active regions are determined in video frames of a video sequence. Video frames are selected in response to temp... | 05/29/2012 |
| 8180171 | Noise cancellation device for an image signal processing system A noise cancellation device for an image signal processing system includes a receiving end for receiving image signals, a 3D filtering unit for adjusting a filtering parameter according to a motion estimation value, and filtering the image signals and a former filte... | 05/15/2012 |
| 8155472 | Image processing apparatus, camera, image processing program product and image processing method An image processing apparatus, includes: an information acquisition unit that obtains position information indicating a position of a first pixel group made up with pixels set along a predetermined direction among a plurality of pixels constituting an image; a smoot... | 04/10/2012 |
| 8155471 | Image processing apparatus and method that may blur a background subject to highlight a main subject An image processing apparatus and a method thereof are introduced herein. In the method, an image is divided into a plurality of blocks, and a corresponding image processing ratio is set to each of the blocks, wherein each of the blocks includes a plurality of image... | 04/10/2012 |
| 8150198 | Image processing apparatus and method and image display apparatus An image processing apparatus receives n-bit image data, carries out an α-bit bit extension, and outputs (n+α)-bit image data, where n and α are positive integers. The apparatus also performs an epsilon filtering operation that uses the additional gray levels pro... | 04/03/2012 |
| 8135230 | Enhancing dynamic ranges of images Methods and apparatus according to various aspects take as input image data in a lower-dynamic-range (LDR) format and produce as output enhanced image data having a dynamic range greater than that of the input image data (i.e. higher-dynamic range (HDR) image data).... | 03/13/2012 |
| 8131101 | Image processing method and image processing apparatus An object of the invention is to adequately remove a halo in an image processing method and apparatus for conversion of an image into an image suitable for image recording and displaying by compression of the dynamic range of the image. As means for solution, an ima... | 03/06/2012 |
| 8107760 | Systems and methods for image enhancement in multiple dimensions A multi-dimensional data enhancement system uses large kernel filtering, decimation, and interpolation, in multi-dimensions to enhance the multi-dimensional data in real-time. The multi-dimensional data enhancement system is capable of performing large kernel proces... | 01/31/2012 |
| 8077998 | Reduced complexity and blur technique for an electronic lighting system Digital blurring of an image is carried out by blurring using a linear or piecewise continuous blurring function. The blurring function blurs a rectangular portion of an image so that the blurring can be embodied by vertical blurring followed by halls on pull blow. ... | 12/13/2011 |
| 8036484 | In-place averaging of packed pixel data Methods, systems, and apparatuses for averaging data in packed format are provided. The data may be image data, such as data words containing color-specific data portions representative of pixels of a captured image. A first data word containing first image data is ... | 10/11/2011 |
| 7933466 | Grey value correction method for binary image data A method of gray value correction for binary image data, preferably screened image data, with a local gray value by a desired correction magnitude includes filtering the image data quantized with n bits with an asymmetrical low-pass filter whose filter window is sma... | 04/26/2011 |
| 7907787 | Enhancing the quality of decoded quantized images A system for image enhancement and, more particularly, a system for enhancing the quality of a quantized image. ... | 03/15/2011 |
| 7903900 | Low complexity color de-noising filter Methods and apparatuses for color denoising are described. There is provided an image processing method. The method comprises the steps of retrieving chrominance level for a plurality of pixels in a predetermined configuration; computing a weight for each pixel; app... | 03/08/2011 |
| 7881552 | Anti-flicker filter An anti-flicker filter is described, including determining a video sequence based on designated portion of a video, selecting a plurality of video elements from the video sequence, calculating an individualized filter for each video element of the plurality of video... | 02/01/2011 |
| 7876974 | Method for improving digital images and an image sensor for sensing the same The present invention provides an image processing method. In one embodiment, the method provides discontinuity-preserving image smoothing and segmentation, noise reduction, reduction of image variations particularly those variations caused by illumination condition... | 01/25/2011 |
| 7860337 | Blur computation algorithm Disclosed herein is an improved blur computation algorithm. The proposed algorithm accomplishes a blur of an image using fragment programs on a GPU. Alternatively, the blur may be computed on a CPU through emulation or directly programmed. Modifications of the progr... | 12/28/2010 |
| 7813583 | Apparatus and method for reducing noise of image sensor An apparatus and method for reducing noise of an image sensor are provided. The apparatus includes a noise level setting module setting a noise level representing an image frame expressed as a component in a color space; a kernel generation module generating a kerne... | 10/12/2010 |
| 7805015 | Method of point identification and tracking in a digital video environment A computer implemented method, apparatus, data processing system, and computer usable program code are provided for identifying interest points. A set of digital images and a set of threshold values are received, where the set of digital images includes a set of dig... | 09/28/2010 |
| 7742653 | Image processing apparatus and image processing method The image processing apparatus and method process image data of an original image by compressing a dynamic range of the original image. The apparatus and method process the image data of the original image by continuous filtering with at least two edge preserving sm... | 06/22/2010 |
| 7734111 | Image processing apparatus, image processing method, and computer product An image processing apparatus includes a surrounding-pixels selecting unit that selects surrounding pixels that surround a correction pixel in an input image based on a low-pass filter, a reference-pixels selecting unit that selects pixels from the surrounding pixel... | 06/08/2010 |
| 7734110 | Method for filtering the noise of a digital image sequence The present invention sets out to make available a method for reducing noise in an image sequence. This method can be implemented in an acquisition device such as a digital video camera or the like. The aim of this invention is attained with a method for filtering a... | 06/08/2010 |
| 7711204 | 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 ... | 05/04/2010 |
| 7660480 | Practical fast mesh-free analysis A two-level transformation scheme to enable a practical fast mesh-free method is disclosed. The first level transformation transforms the original chosen mesh-free shape function to a first transformed mesh-free shape function that preserves Kronecker delta properti... | 02/09/2010 |
| 7636489 | Blur computation algorithm Disclosed herein is an improved blur computation algorithm. The proposed algorithm accomplishes a blur of an image using fragment programs on a GPU. Alternatively, the blur may be computed on a CPU through emulation or directly programmed. Modifications of the progr... | 12/22/2009 |
| 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 eight exterior pixels; and an algorithm that examines the block of pixel... | 08/04/2009 |
| 7567725 | Edge smoothing filter for character recognition A system and method for correcting defects in a black white image. A character recognition system is disclosed that processes character data from a black white image, including: an edge smoothing filter that examines blocks of pixels in the black white image to dete... | 07/28/2009 |
| 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 around the image by extrapolation, thereby eliminating the need for bo... | 07/14/2009 |
| 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 generate a segment containing the current pixel. Then, the luminance v... | 06/23/2009 |
| 7551794 | Method apparatus, and recording medium for smoothing luminance of an image A smoothing calculator determines a smoothed mean luminance value C1×μ(t)+(1−C1)μ′(t−1) based on a mean luminance value μ(t) input at time t and a smoothed mean luminance value μ′(t−1) read at time (t−1) from a buffer, and outputs the ... | 06/23/2009 |
| 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 target area determining unit that determines a processing target area in ... | 04/28/2009 |
| 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. ... | 04/14/2009 |
| 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 system can also be provided in a switching box that allows a user to ... | 10/28/2008 |
| 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 transilluminates a photographic image on a film using an illumination device. Opti... | 10/21/2008 |
| 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 for the identified adjacent blocks are similar and not skipped if the c... | 10/21/2008 |
| 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 independent random ntunbers for use as input signals, and performing... | 10/14/2008 |
| 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 two of these blurred versions are created, on a pixel-by-pixel basis.... | 10/07/2008 |
| 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 as such. Thus, the SVM classifier try to discard non-face images usin... | 09/30/2008 |
| 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 provide image data of an image, the image data comprising digital image d... | 09/30/2008 |
| 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, comparing the measured edge activity to a first threshold, filtering... | 09/30/2008 |
| 7424168 | Enhancing the quality of decoded quantized images A system for image enhancement and, more particularly, a system for enhancing the quality of a quantized image. ... | 09/09/2008 |
