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| Number | Title | Issue Date |
| 8184205 | Electro-optical device and electronic apparatus An electro-optical device includes configuration to apply, to a plurality of the data lines through capacitors, inverted data signals that are generated by inverting voltage levels of data signals supplied to image signal lines with respect to a predetermined electr... | 05/22/2012 |
| 8154663 | System and method for adaptive contrast enhancement of video signals A method for contrast enhancement of a video signal comprises receiving a video signal frame, gathering statistics about the video signal frame, calculating the effective input dynamic range of the video signal frame, calculating the effective output dynamic range o... | 04/10/2012 |
| 7817210 | Image processing method, image display apparatus, and television apparatus An image processing method comprising: reading out corrected data from a memory which prestored the corrected data, by referring to low P bit (P is an integer number ≧1, and ≦to M) in M bits digital image data (M is an integer number ≧to 2); calculating correc... | 10/19/2010 |
| 7782405 | Systems and methods for selecting a display source light illumination level Embodiments of the present invention comprise systems and methods for selecting a display source light illumination level based on distortion parameters. ... | 08/24/2010 |
| 7567301 | Flat panel television According to the invention, performing torn curb correction processing by referring to plural correction tables 113a to 113c for plural display areas A, B, C, D, E, and P makes it possible to obtain an output image meeting user's requirem... | 07/28/2009 |
| 7428011 | Wide dynamic range electronic image recording and reproducing system The electronic camera has an imaging device that images a subject with subject reflectance R (%) with a dynamic range wider than that at displaying or printing to acquire image data and a recording device that converts the image data acquired by the imaging device w... | 09/23/2008 |
| 7408530 | Apparatus and method of driving a plasma display panel The present invention relates to to an apparatus for driving a plasma display panel in which an image being full of life is represented through expansion of contrast and the gray level can be expanded, and method for driving the same. According to the present invent... | 08/05/2008 |
| 7375770 | Method for luminance transition improvement A method for luminance transition improvement includes the following steps: inputting an image comprising a plurality of pixels comprising a first pixel; generating an extreme gray level according to the plurality of pixels; generating a first gray level difference ... | 05/20/2008 |
| 7358994 | Image processing apparatus, image processing method, recording medium thereof, and program thereof In image processing apparatus and method for displaying and printing a person image photographed by a digital camera, it is possible to automatically correct image data and output the person image of an optimum characteristic. In this apparatus, an image obtaining p... | 04/15/2008 |
| 7352814 | Video artifact identification and counting Artifact detection and counting is enhanced using looping in both the horizontal and vertical direction is enhanced via a reduced bandwidth for accumulation of count values into count table entries. According to an example embodiment of the present invention, first ... | 04/01/2008 |
| 7345712 | Display apparatus A display apparatus to receive a picture signal containing information of a picture and to process the picture signal using at least an area distinguishing the picture from another picture includes a motion detector to detect whether there is a motion in the area of... | 03/18/2008 |
| 7319549 | Multiple weight error diffusion A method for halftoning includes the steps of defining a first set of weight sets, and defining a second set of weight sets. A first error associated with a first pixel location of a plurality of pixel locations is diffused to a first neighboring at least one pixel ... | 01/15/2008 |
| 7265795 | Video signal processing circuit, video display apparatus, and video display method Embodiments of the invention provide a video display technique with which a stable video with a high contrast can be obtained according to brightness of a screen. In one embodiment, a video signal processing system for a video display apparatus which performs displa... | 09/04/2007 |
| 7259773 | Display device with improved representation of the shades of grey The invention relates to a display device for rendering gray tone images on a monitor (31) controlled by s electron rays, wherein a correction unit (33) is provided for generating s output image signals As, which comprise gray tone values fo... | 08/21/2007 |
| 7245281 | Drive circuit device for display device, and display device using the same A drive circuit device for a display device which drives a plurality of source bus lines provided on a display panel includes a driver unit that receives a clock signal, a data signal and a control signal, sequentially fetches the data signal, and generates drive si... | 07/17/2007 |
| 7227581 | Method and apparatus for processing video pictures, in particular for large area flicker effect reduction Plasma Display Panels (PDP) are becoming more and more interesting for TV technology. Due to the larger size of PDPs, with larger viewing angle the large area flicker effect will become more serious in the future, in particular when handling 50 Hz video standards. T... | 06/05/2007 |
| 7228007 | Resolution correction apparatus, resolution correction program, and computer-readable recording medium having same program recorded thereon A resolution correction apparatus of the present invention includes: an outline signal generator for generating an outline signal, which represents an outline of an image, based on an image signal; an outline correction signal generator for generating an outline cor... | 06/05/2007 |
| 7221408 | Adaptive contrast enhancement method for video signals based on time-varying nonlinear transforms An adaptive contrast enhancement (ACE) method and apparatus provide a natural enhancement in accordance with the time-varying characteristics of a video sequence. Characteristics of a time varying video sequence are specified and a nonlinear transform over the input... | 05/22/2007 |
| 7221335 | Image display method and device for plasma display panel Disclosed is a PDP image display method and device for dividing an image of each frame displayed on a PDP corresponding to an input video signal into subfields, each subfield corresponding to a bit that represents one of a plurality of luminance weights, combining l... | 05/22/2007 |
| 7174049 | Image upscaling by joint optimization of low and mid-level image variables An image upscaling algorithm jointly optimizes estimating pixel color, classifying it into one of multiple regions, and estimating region boundaries subject to region continuity and edge-configuration constraints. The joint solution of constraints at multiple levels... | 02/06/2007 |
| 7130240 | Semiconductor memory system and method for multi-sector erase operation A semiconductor memory device is operable with a multi-sector erase mode for a multiplicity of memory chips, including a cell array, a register circuit containing information for a sector to be erased, an address clock driving circuit for contemporaneously generatin... | 10/31/2006 |
| 7126617 | Method of driving display apparatus and plasma display apparatus The method of driving a display apparatus, in which the gradation scale is represented, by the subfield method, with less flicker even when driven at a frequency of 50 Hz has been disclosed. In this method, the two most weighted subfields (subfields of Bn brightness... | 10/24/2006 |
| 7123293 | Image processing method to compensate for color differences due to a type of image sensing device In image processing on digital image signals, a color difference due to a type of image sensing device by which the image signals have been acquired is compensated. For this purpose, a characteristic value, such as an average of each digital image signal, is extract... | 10/17/2006 |
| 7119772 | Methods for driving bistable electro-optic displays, and apparatus for use therein A gray scale bistable electro-optic display is driven by storing a look-up table containing data representing the impulses necessary for transitions, storing data representing at least an initial state of each pixel of the display, storing data representing temporal... | 10/10/2006 |
| 7110616 | Device for processing images, in particular medical images A device for generating fusion images by fusioning two images, in particular medical images, comprising an image-processing computation unit (2) for fusioning the images, as well as a monitor (3) connected thereto for image output, a gray-value histogr... | 09/19/2006 |
| 7098873 | Driving method for plasma display panel and driving circuit for plasma display panel A length of an addressing period in a first sub-field is made shorter as time from an end of a second sub-field which provides light emission just previously to the first sub-field in a frame including the first and second sub-fields to a start of the first sub-fiel... | 08/29/2006 |
| 7068837 | Image processing method An image processing method comprises an extracting step for extracting a plurality of images of different depths of a 3-dimensional object, the axes forming different angles with the 3-dimensional object, a binary coding step for eliminating a gray level range of th... | 06/27/2006 |
| 7062105 | Image management system, image management method and image display device An image management system is proposed that can display the same image in the same appearance on each image display device connected to a network independent of individual hardware characteristics. When an image file server that manages diagnostic images transfers t... | 06/13/2006 |
| 7057584 | Image display method and system for plasma display panel An image display method and system for a plasma display panel. An image of each field displayed on the plasma display panel corresponding to input image signals is divided into sub-fields. Weighting values of the sub-fields are combined to display grays. The sub-fie... | 06/06/2006 |
| 7053868 | Plasma display apparatus According to the present invention, a plasma display apparatus, which represents the luminance of one frame in accordance with a combination of plural sub-frames having luminance levels corresponding to a plurality of weighted values, additionally includes a sub-fra... | 05/30/2006 |
| 7050099 | Solid-state image pickup apparatus Gray level data of boundary pixels that are adjacent to a block boundary in a photoelectric conversion section is stored. Then, a cumulative histogram regarding the number of pixels for different gray levels is produced based on the stored gray level data separately... | 05/23/2006 |
| 7042522 | Adaptive contrast enhancement method using time-varying nonlinear transforms on a video signal The contrast of a time varying video signal is enhanced. Each digital picture is represented by samples having gradation levels in a range from a lower limit C to an upper limit U. The mean value of the gradation levels of the samples representing a first digital pi... | 05/09/2006 |
| 7027088 | Color to monotone conversion apparatus, color to monotone conversion method and a medium recording thereon a color to monotone conversion program The present invention is directed to a monotone conversion apparatus that it is provided with a picture acquisition unit for expressing a picture in picture elements in a dot matrix form and acquiring picture data representing each picture element in gradation of pr... | 04/11/2006 |
| 7012625 | Image quality correcting circuit The image quality correcting circuit according to the present invention is made up of a mean value computer 10 for computing the mean value of the luminance levels of every plural picture element of a video signal inputted to a video signal input terminal ... | 03/14/2006 |
| 7002594 | Image processing apparatus and image display apparatus using same An image processing apparatus of the present invention comprising (a) a first signal processing circuit for applying gamma correction to an n-bit (n: a natural number) digital signal inputted as a video signal and for converting the n-bit digital signal into an m-bi... | 02/21/2006 |
| 6989870 | Video signal processing apparatus and method capable of converting an interlace video signal into a non-interlace video signal When converting an interlace video signal into a non-interlace video signal by interpolating a scanning line of the interlace video signal, black stretching is carried out with respect to the interpolated scanning line. Thereafter, black stretching is carried out wi... | 01/24/2006 |
| 6965402 | System for detecting and storing digital pictures Digital pictures are taken by a digital camera. The digital camera provides picture data with a large dynamic range of, for example, 10 bit. Data processing and display devices operate with 8 bit only, i.e. do not take advantage of the high dynamic range of the came... | 11/15/2005 |
| 6963615 | Pixel modulation apparatus and method thereof A pixel modulation apparatus for converting pixel data D composed of N1 bits to a pixel data signal composed of one bit. The pixel data D is input into the apparatus at a pixel period T0. The apparatus includes a first data conversion unit which conver... | 11/08/2005 |
| 6952235 | Apparatus and method for controlling black stretch of video signal An apparatus and method for adaptively varying a black stretch control range and a gain according to a mean level of a video signal to control black stretch of the video signal. According to the apparatus and method, the slope and range of black stretch are varied d... | 10/04/2005 |
| 6950103 | Automatic optimization of the position of stems of text characters Automatically positioning of typographical features, such as vertical stems or horizontal segments of a character, on high contrast pixel sub-component boundaries as part of a rendering process that uses separately controllable pixel sub-components of pixels to repr... | 09/27/2005 |
