Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8189111 | Apparatus and method for image processing in spatial light modulated display systems Embodiments of the invention provide a circuit for peaking video signals to be provided to a dynamic range limiter for displaying images on a display device. The circuit comprises a peaking filter including a filter input configured to receive a video signal. A firs... | 05/29/2012 |
| 8184203 | Video enhancement with separate and distinct methods of enhancement for single transitions and double transitions of opposite polarity A transition enhancement method and system for use with television or computer displays submits single transitions occurring in an input signal to a first transition enhancement process; and submits double transitions of opposite signs occurring in the input signal ... | 05/22/2012 |
| 8144254 | Contour enhancement unit and method to enhance the contours of an image An image enhancement unit and method for enhancing the image quality of a video stream is presented. The image enhancement unit combines a contour enhancement unit, a luminance contrast stretching unit, a color transient improvement unit, and a color saturation cont... | 03/27/2012 |
| 8134646 | Video signal processing device and video signal processing method According to one embodiment, a video signal processing device includes an input unit to which a brightness signal is input, a high band emphasis unit that extracts a first high band component from the brightness signal and outputs an output signal by adding the firs... | 03/13/2012 |
| 8107012 | Image process apparatus and method for contour correction The image processing apparatus 100 acquires the image signal F1 and includes a steepening amount calculation unit 110, a contour shift amount calculation unit 120, an integration correction amount calculation 130 and an image gener... | 01/31/2012 |
| 8098334 | System and process for image rescaling with edge adaptive phase control in interpolation process A video image processing system is described that generates the interpolated video images with sharp and jaggedness-free edges. A method of video image processing is also described that interpolates video images to generate the video images with sharp and jaggedness... | 01/17/2012 |
| 8049819 | Method of shoot suppression and an image quality improvement apparatus A method of shoot suppression when transition properties of an image signal are improved. The method includes improving transition properties of an original image signal and filtering a local overshoot and/or undershoot at edges of the transient-improved image signa... | 11/01/2011 |
| 8018532 | Video signal processing apparatus and method, and edge enhancement apparatus and method Levels of an input video signal are detected at successive pixels. An absolute level difference is produced that is an absolute value of the difference at each pixel pair. One absolute difference is applied nonlinear processing to be subtracted from an initial value... | 09/13/2011 |
| 7969511 | Method and apparatus for improving quality of composite video signal and method and apparatus for decoding composite video signal A method and apparatus for improving the quality of a composite video signal and a method and apparatus for decoding the composite video signal. The method for improving the quality of the composite video signal respectively detects edges from a luminance informatio... | 06/28/2011 |
| 7952647 | Method and apparatus of content adaptive detailing filtering for digital pictures According to one embodiment, a method is disclosed. The method includes receiving video data performing pre-filtering on the data, performing content analysis is applied to identify an area of the data, applying a two-dimensional (2-D) 2nd gradient operat... | 05/31/2011 |
| 7907215 | Video enhancement systems and methods In accordance with the teachings described herein, systems and methods are provided for enhancing the image quality of video. One or more filters may be used to filter a received video signal to generate a vertical filtered output, a horizontal filtered output and a... | 03/15/2011 |
| 7847863 | Enhancing sharpness in video images A method of selectively sharpening video data may include, for at least some pixels in the video data, generating a sharpened value for a pixel value in an image. The sharpened value may be disregarded if a combination of the pixel value and the sharpened value is i... | 12/07/2010 |
| 7719618 | Method and apparatus for masking of video artifacts and/or insertion of film grain in a video decoder A video decoder comprising a first comfort noise addition block and a second comfort noise addition block. The first comfort noise addition block may be configured to (i) add comfort noise to luminance data and (ii) adjust a distribution of the comfort noise added t... | 05/18/2010 |
| 7586546 | Video signal processing circuit having a bypass mode and display apparatus comprising the same A display apparatus having a display. The display apparatus includes a video signal processor having a processor to process an input video signal and a picture quality improving part to improve picture quality of the processed video signal. The video signal processo... | 09/08/2009 |
| 7518660 | Picture quality improvement device and picture quality improvement method A field delay circuit aligns the phases of two field signals. An average value calculation circuit generates an average value signal of the two field signals. This average value signal can be regarded as a signal that has undergone a one-dimensional low-pass filter ... | 04/14/2009 |
| 7515210 | Technique for determining the slope of a field pixel A technique for determining the slope of a field pixel is described. According to the technique, one or more sets of diagonal field pixels are downscaled (or downsampled) before they are provided to respective edge detector circuits. By downscaling the sets of diago... | 04/07/2009 |
| 7505084 | Picture quality improvement device and picture quality improvement method An average value signal of the G two-phase input signal is generated by means of an average value calculation circuit. This average value signal is regarded as a signal in which a one-dimensional low-pass filter process, in which the number of taps is 2 and the filt... | 03/17/2009 |
| 7483081 | Edge compensated feature detector and method thereof An edge compensated feature detector includes a local difference unit receiving an incoming video signal and calculating a local difference value according to a component difference in a local area of a video frame formed by the incoming video signal; an adjustment ... | 01/27/2009 |
| 7450182 | Image display apparatus and picture quality correction An image display apparatus is provided for receiving a digital image signal and displaying it so that high-quality images can be displayed with the noise reduced not to be conspicuous and with the contour appropriately corrected. The image display apparatus includes... | 11/11/2008 |
| 7436413 | Image data processing apparatus and image display apparatus The invention provides an image data processing apparatus including a memory for storing plural values indicating plural brightnesses when a predetermined display element is driven based on discrete plural drive values, and an operation circuit for converting a firs... | 10/14/2008 |
| 7432986 | Method and apparatus for masking of video artifacts and/or insertion of film grain in a video decoder A video decoder comprising (i) a post-processing filter block, (ii) a comfort noise addition block and (iii) a video value/range adjustment block, where the comfort noise addition block is integrated into a video output path of the video decoder. The post-processing... | 10/07/2008 |
| 7430019 | Apparatus to improve image sharpness adaptively according to multi-video formats and method thereof An apparatus to improve an image sharpness and a method thereof which can improve the image sharpness of an image through an adaptive operation of the apparatus according to resolutions of input/output video signals and an emphasis of edge portions of the image. The... | 09/30/2008 |
| 7420623 | Image-signal processing apparatus for enhancing specific frequency component of image signal and correcting the edge of reproduced image The structure of an image-signal processing apparatus for performing gamma correction and edge enhancement of a image signal is simplified. An edge-correction-gain generation circuit generates a gain signal according to the level of a image signal that has passed th... | 09/02/2008 |
| 7414671 | Systems and methods for display object edge detection and pixel data interpolation in video processing systems A method interpolating pixel values includes calculating a difference value between pixel values corresponding to a first display pixel on a first display line and a second display pixel on a second display line, the first and second display pixels defining a possib... | 08/19/2008 |
| 7408590 | Combined scaling, filtering, and scan conversion Techniques for performing combined scaling, filtering, and/or scan conversion are disclosed that reduce that amount of line buffer space required in the overall design of a video processing system. In particular, coefficients from all or a sub-set of the scaling, fi... | 08/05/2008 |
| 7391476 | Method and device for interpolating a pixel of an interline of a field A method and device for interpolating a pixel of an interline of a first field in a sequence of interlaced fields includes selecting at least one first pixel and one second pixel from scan lines of the first field adjacent the interline, and a third pixel from a sec... | 06/24/2008 |
| 7391477 | Apparatus and method for processing video signal An amplitude discrimination circuit separates a received video signal into a signal component with a minute amplitude level and other signal component with a high amplitude level. A contour correction circuit performs contour correction processing on a signal with t... | 06/24/2008 |
| 7382929 | Spatial scan replication circuit In an image replication circuit, the improvement of replicating a given element at a certain location with the most similar of surrounding sets of image elements. ... | 06/03/2008 |
| 7382414 | Video signal processing apparatus, for controlling contrast compensation and edge compensation in relation to each other in depedence on luminance of an image, and television receiver including the same A video signal processing apparatus includes a characteristic detection circuit for detecting luminance distribution corresponding to one frame of a video signal, a contrast compensation circuit for compensating contrast of the video signal, an edge compensation cir... | 06/03/2008 |
| 7373013 | Directional video filters for locally adaptive spatial noise reduction Spatial noise is reduced in an image having a plurality of pixels by detecting object boundaries and unstructured areas in the image and applying 3-tap high pass filters to each pixel in the image in at least four, but less than eight directions to determine the bes... | 05/13/2008 |
| 7372507 | Real-time content based gamma adjustment for digital video display Methods for improving video images by making real-time gamma correction adjustments to such images are described. More particularly, gamma correction adjustments may be optimized for each individual frame of a video image by first segregating the pixels of an image ... | 05/13/2008 |
| 7366347 | Edge detecting method There is provided an edge detecting method, which is capable of preventing a noise influence caused by imaging device and a color interpolation. The edge detecting method includes the steps of: setting a first kernel based on a center pixel in pixel data arranged in... | 04/29/2008 |
| 7362376 | Method and apparatus for video deinterlacing and format conversion A method for deinterlacing a picture is disclosed. The method generally includes the steps of (A) generating a plurality of primary scores by searching along a plurality of primary angles for an edge in the picture proximate a location interlaced with a field of the... | 04/22/2008 |
| 7359567 | Signal processing apparatus for eliminating ringing signal and method thereof, record medium, and program Image quality degrading components can be eliminated from a contour correction signal of high frequency region that is used for contour correction. A filtering section extracts a high frequency region signal from a signal inputted from a VLPF. A mask generating sect... | 04/15/2008 |
| 7352901 | Contour inspection method and apparatus Defects in the contour of a target object is detected by obtaining an digital variable-density image of the contour and edges are extracted from the image of the contour so as to sequentially represent the contour. Their directions are measured and the direction of ... | 04/01/2008 |
| 7352410 | Method and system for automatic brightness and contrast adjustment of a video source An image brightness and contrast management module for automatically adjusting brightness and contrast of an input video signal includes a histogram generation unit that generates a pixel luminance histogram based on pixel luminance values in a frame, whereby the hi... | 04/01/2008 |
| 7352397 | Circuit and method for contour enhancement A semiconductor integrated circuit includes a differential calculating unit which obtains a differential between a value of a pixel of interest and values of surrounding pixels contained in an image signal supplied from an image sensor, a dead-zone generating unit w... | 04/01/2008 |
| 7345711 | Video signal improving circuit A video signal improving circuit comprises an input section which receives a video signal; a delay circuit which delays the video signal to generate a plurality of delayed video signals which have delayed times different from one another; an improving signal produci... | 03/18/2008 |
| 7336819 | Detection of sky in digital color images A method of detecting sky in a digital color image having pixels is disclosed. The method includes identifying pixels from the digital color image representing an initial sky region; developing a model based on the identified sky pixels, wherein such model is a math... | 02/26/2008 |
| 7337022 | Constraint and limit feasibility handling in a process control system optimizer An optimization technique for use in driving a process plant controller, such as a model predictive controller, uses an organized, systematic but computationally simple method of relaxing or redefining manipulated, control and/or auxiliary variable constraints when ... | 02/26/2008 |
