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| Number | Title | Issue Date |
| 7911541 | Liquid crystal display device A liquid crystal display device includes a four-color conversion circuit with no chromatic changes in which the chromaticity and luminance of input image data are maintained, a four-color conversion circuit with chromatic changes in which the chromaticity and lumina... | 03/22/2011 |
| 7800697 | Image processing apparatus, method, program and image pickup apparatus An amplifier gain setting section estimates a light source parameter which relies upon a spectral distribution of an image pickup light source based on an image signal. Then, a first adjustment control value for each color signal when adjustment is to be performed s... | 09/21/2010 |
| 7643094 | Color image processing apparatus, color image processing method, program and recording medium A color image processing apparatus performs color image display using a red display, green display, blue display and white display. The apparatus includes a white signal generation circuit generating a white signal W based on an input red signal Rin for t... | 01/05/2010 |
| 7414672 | Method and apparatus of processing video signals A method for processing video signals for a video signal processing apparatus is provided which is capable of processing and displaying a plurality of video signals through different paths. The method includes the steps of standardizing the respective video signals ... | 08/19/2008 |
| 7397471 | Liquid crystal display device, power supply circuit, and method for controlling liquid crystal display device A liquid crystal display device according to the present invention includes: a liquid crystal panel 11; a source driver 12 for controlling the gray-scale level by applying a voltage to the liquid crystal panel 11; a DC-DC power supply 13 ... | 07/08/2008 |
| 7394930 | Automatic white balancing of colour gain values A method and an related apparatus for performing a white balance operation on an image with pixels, wherein global colour gain values common for substantially all pixels of the image are first determined. Then local colour gain values for individual pixels of the im... | 07/01/2008 |
| 7382415 | Color correction processing circuit by each hue The object of the present invention is to provide a color correction process designed for enabling all the hues in the image properly corrected without leaving any uncorrected range; the inputted image data represented by the combination of 3 color signals is divide... | 06/03/2008 |
| 7369171 | Read controller for image pick-up device, and image pick-up apparatus A digital camera that captures object light by a CCD to create an image signal includes a read controller that controls reading of light signals from at least two fields of the CCD, in which a field, from which a light signal received by an R-sensor sensitive to red... | 05/06/2008 |
| 7362356 | White balance correction including indicative white color determination based on regions in a divided image An entered image is divided into a plurality of blocks and it is determined, on a per-block basis, whether image data within an applicable block is indicative of the color white, based upon a condition, from among a plurality of conditions, that conforms to the posi... | 04/22/2008 |
| 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 |
| 7359548 | Method and apparatus for automated image analysis of biological specimens A method and apparatus for automated cell analysis of biological specimens automatically scans at a low magnification to acquire images which are analyzed to determine candidate cell objects of interest. The low magnification images are converted from a first color ... | 04/15/2008 |
| 7355654 | Character display control circuit A character display control circuit comprises a selection circuit to select and output, as one of the RGB signals, one of a first voltage, a second voltage lower than the first voltage, and one or more third voltages existing between the first and second voltages; a... | 04/08/2008 |
| 7355636 | Image processing apparatus enabled to generate image processing information usable by other image processing devices An object of this invention is to provide an image processing system capable of providing a high-quality pickup image by an arrangement in which white balance control to a pickup image can always be efficiently, properly performed. To achieve this object, a pickup i... | 04/08/2008 |
| 7352398 | Image pick-up apparatus and method for picking up and synthesizing plural images to generate a dynamic range image The present invention is directed to a digital still camera (1) using CCD (Charge Coupled Device) image sensor as image pick-up device. This camera (1) comprises an image memory (18) in which plural images obtained by picking up images of the sa... | 04/01/2008 |
| 7352409 | Blue stretch circuit and level detection circuit A blue stretch circuit of this invention has a first voltage detection circuit and a second voltage detection circuit, each of which detects that an amount of each of the first and the second color difference signals are within a predetermined range, a blue stretch ... | 04/01/2008 |
| 7312835 | Projection type display apparatus In a projection type display apparatus including a blue CRT display apparatus with low luminous efficiency and low luminous efficiency, the present invention seeks to improve contrast while suppressing the fall in brightness for red, green, and blue color as a whole... | 12/25/2007 |
| 7303284 | Image projecting apparatus An image projecting apparatus projects an image formed on a display device in accordance with input image data, onto a projection surface with illumination light emitted from a light source, to enable an observer to observe the image. The image projecting apparatus ... | 12/04/2007 |
| 7295213 | Apparatus and method for converting metadata color temperature and apparatus and method for providing metadata A method and an apparatus for converting the color temperature of metadata and a method and an apparatus for providing image metadata are provided. The apparatus for providing image metadata includes an input unit, an image metadata decoding unit, and an image color... | 11/13/2007 |
| 7265794 | Managing the color temperature for a light source array Providing color management includes receiving measurements of the intensity of colors. A light source generates light beams to yield the colors, where the light beams are generated in accordance to image data to create an image. A target color value is established. ... | 09/04/2007 |
| 7262796 | Processing of color signals in a color camera A method for processing analog color signals includes analog preprocessing sensor output signals to obtain analog preprocessed signals that cause a reduced amount of digital quantizatlon errors; converting the analog preprocessed signals into digital signals; recons... | 08/28/2007 |
| 7227571 | Color reproduction corrector for image input device and color reproduction correction method The present invention has an object to provide a color reproduction correcting device for image input apparatus capable of excellently reproducing colors without difficulties, even when an image is reproduced under an observation light source that is different from ... | 06/05/2007 |
| 7227543 | Contrast adjusting circuitry and video display apparatus using same With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) o... | 06/05/2007 |
| 7227586 | Color signal processing A method of adjusting the N components of an N component color signal (such as the 3 components of an RGB color signal) with respect to color temperature of illuminating light when imaging a colored subject, comprising the step of computing the difference between ea... | 06/05/2007 |
| 7212235 | Image pickup apparatus An image pickup apparatus such as a video camera has the capability of automatic white balance control whereby the white balance is quickly adjusted for any object even just after an operator has turned on a power supply. An image pickup element converts an optical ... | 05/01/2007 |
| 7199822 | Dynamic white balance control circuit and multi-screen display device A dynamic white balance control circuit is provided which is capable of dynamically setting a white balance and/or a color temperature according to a level of an input image signal. The dynamic white balance control circuit has a color component detecting circuit to... | 04/03/2007 |
| 7191402 | Method and apparatus for adjusting contrast and sharpness for regions in a display device A partial region on a screen can be selected for highlighting. Information related to the partial region is transmitted from a computer to a computer monitor. In one embodiment, the partial region information is sent over a different port from the one used to send v... | 03/13/2007 |
| 7190410 | Color temperature correction circuit Denoting a maximum value of three primary color signals RGB by Max, a minimum value by Min, and coefficients by a and b, the color temperature of only colors close to achromatic colors is changed by adding (a*Min−b*Max) to the signal B. Denoting a luminance level ... | 03/13/2007 |
| 7184066 | Methods and systems for sub-pixel rendering with adaptive filtering A method, system and computer-readable medium process data for a display that includes color sub-pixels. Pixel data in a first subpixel format is received and converted to sub-pixel rendered data, generating sub-pixel rendered data in a second subpixel format, diffe... | 02/27/2007 |
| 7176909 | Color correction circuit and image display apparatus including the same A 2.2th-power to 1st-power conversion circuit 102 uses a 2.2th-power curve to convert an input R signal ‘a’ into an R signal ‘b’ expressed in a 1st-power signal space. Offsets, which are to be added to a G signal and a B signal, ... | 02/13/2007 |
| 7170554 | Method for processing signals representing color pictures A method for processing at least a part of a color picture comprises at least one pixel defined by a plurality of color values. Each color value is variable between black and a color clip value. The method comprises, determining for each color value the quantity of ... | 01/30/2007 |
| 7170535 | Image processing system, projector, program, information storage medium, and image processing method In order to provide an image processing system that can correct color non-uniformity due to deterioration with time in a more appropriate manner, a projector is provided with an image projection section which displays a calibration image; a sensing section which sen... | 01/30/2007 |
| 7167214 | Signal processing unit and liquid crystal display device A signal processing unit in a liquid crystal display device, etc., includes a brightness component appearance frequency measuring unit that measures an appearance frequency of each brightness component in a video signal; a parameter outputting unit that outputs a di... | 01/23/2007 |
| 7158146 | Image processing apparatus and method If gamut mapping (hue restoration) defined by one Lab color space is applied in color matching under different reference white points, the human vision perceives the hue as inconsistent. In view of this, input data which is dependent on a color space of an input dev... | 01/02/2007 |
| 7154563 | Automatic brightness limitation for avoiding video signal clipping A brightness limitation system is employed in a television circuit to prevent the black reference voltage level and the video signal from entering a minimum signal clipping zone, to provide precise correction signal, limiting the brightness, to maintain a constant b... | 12/26/2006 |
| 7151572 | Apparatus and method for processing predetermined program data An information-processing device receives and processes predetermined program data. The information-processing device includes an extracting unit for extracting image data and audio data of a program selected by a user, an obtaining unit for obtaining information re... | 12/19/2006 |
| 7148929 | Image display control system and image display system control method This invention discloses an arrangement capable of controlling necessary display characteristics by a proper one of a controller and image display when display characteristics must be corrected upon an environmental change even if the image display and controller ar... | 12/12/2006 |
| 7146040 | Automatic white balance technique A method and a system for an automatic white balancing of color images being exposed to different illuminants have been achieved. The color information from the sensor color channels is measured and averaged over all pixels belonging to each of the colors of the col... | 12/05/2006 |
| 7126156 | Thin film transistor display device with integral control circuitry A semiconductor device includes a control circuit for carrying out gamma correction of a supplied signal, and a memory for storing data used in the gamma correction. The control circuit and the memory are constituted by TFTs, and are integrally formed on the same in... | 10/24/2006 |
| 7126705 | Method and apparatus for remote printing A remote printing system including a communication port, a printing device, and a measuring device. The printing device prints images received from the communication port, and the measuring device generates image measurement information from the printed image and tr... | 10/24/2006 |
| 7126644 | Rapid white balance method for color digital images A rapid white balance method for color digital image is disclosed. This method is applied to RGB color regions in an image. First, the image is divided into several blocks to obtain the G parameter, then the averaged R and B parameters of each block, thereby obtaini... | 10/24/2006 |
