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| Number | Title | Issue Date |
| 7965341 | Color correction method, color correction device, and color correction program A color correction method, a color correction device, and a color correction program that can achieve color correction processing with a color table with a fine spacing, while preventing the increase in memory capacity. A signal (YCC signal) of a luminance—... | 06/21/2011 |
| 7889280 | Image processing apparatus and method thereof Chroma correction is executed in consideration of the area effect of colors. To this end, an input image is segmented into a plurality of regions as sets of pixels having similar feature amounts, and a size evaluation value of the each segmented regions is calculate... | 02/15/2011 |
| 7683973 | Image processing method and apparatus performing color adjustment An image processing method aims to optimally improve a brightness distribution with respect to brightness of a face being a main subject of a person image. Thus, the method consists of: a brightness component extraction step of extracting a brightness component from... | 03/23/2010 |
| 7630020 | Image processing apparatus and its method To obtain a dodging-like effect in moving-image data without expensive extraction of low-frequency components in playback, for a color-correction frame which does not refer to another frame, brightness components are extracted from the entire frame image to generate... | 12/08/2009 |
| 7428021 | Image processing method, recording medium and apparatus for performing color adjustment to image data using a brightness component, a low-frequency brightness component, and first and second parameters An image processing method aims to optimally improve a brightness distribution with respect to brightness of a face being a main subject of a person image. Thus, the method consists of: a brightness component extraction step of extracting a brightness component from... | 09/23/2008 |
| 7289164 | System and method for color palette conversion from TV unsafe to TV safe colors The system and software of the present invention presents a process for translating a source palette containing TV unsafe colors into a resultant modified palette containing only TV safe colors, while preserving the color trends in the source palette. The software w... | 10/30/2007 |
| 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 |
| 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 |
| 7215366 | Tone correcting circuit and hue correcting circuit There are provided hue detecting means for detecting a hue component for each pixel from a first color difference signal R−Y and a second color difference signal B−Y, and gain controlling means for controlling for each pixel a gain for arbitrarily selected one o... | 05/08/2007 |
| 7196735 | Method for determining an adjustment amount to an input chroma A method is disclosed for determining an adjustment amount to be made to an input chroma, Cin, to squeeze the input chroma toward a region of preferred chroma, Cpref. This method involving first defining a change in chroma as: ΔC=Cin | 03/27/2007 |
| 7139037 | Circle correction in digital low-pass filter A filter circuit is provided which has a filtered input and an unfiltered input. The filtered input passes through delay elements to coefficient circuitry. The unfiltered input passes to the coefficient circuitry without passing through the delay elements. In this m... | 11/21/2006 |
| 7092008 | Remote color characterization for delivery of high fidelity images The present invention provides a technique for providing color corrected images to a user over a network. The user's computer and its associated devices may be remotely calibrated and or characterized and the data made available over the network to permit multiple i... | 08/15/2006 |
| 7092037 | Method of converting color temperatures in image display device using contents description metadata of visual contents and system using the same Provided are a method of and a system for converting color temperatures of visual contents to user's preferred color temperatures by using metadata of the visual contents. The system includes an image color temperature recording unit, a user preferable color tempera... | 08/15/2006 |
| 7092122 | Image processing device and method In order to achieve to adjust saturation of an image without leading to a deterioration in image quality, there is provided an image processing device and method in which a conversion data has a conversion characteristic which suppresses a change in saturation in a ... | 08/15/2006 |
| 7091987 | Patterning and dot gain improvement for vector error diffusion A method for processing color-image pixel-data for outputting by a multi-bit (N) color-image output device including the steps of (a) characterizing color-image pixels into N successive, associated scan lines of pixels, which lines are bridged, effectively for proce... | 08/15/2006 |
| 7084881 | Method and apparatus for improved color correction Methods and apparatuses for color correction that includes gamma correction. One embodiment of the present invention pre-processes the native device information of a color device (e.g., a color display device) to generate pseudo-native device information such that w... | 08/01/2006 |
| 7061547 | Image displaying system of environment-adaptive type, image processing method and program An environment-compliant image display system, image processing method and information storage medium which can reproduce the same colors at different locations by absorbing any difference in the visual environment. In an individual environment, an image data is gen... | 06/13/2006 |
| 7050064 | Method and apparatus for displaying higher color resolution on a hand-held LCD device Effective color resolution of a limited-memory color-mapped display system such as a portable liquid crystal display (LCD) handheld video game system can be increased by changing the color mapping information during active display time (e.g., during the horizontal b... | 05/23/2006 |
| 7038734 | System and method for color palette conversion from TV unsafe to TV safe colors The system and software of the present invention presents a process for translating a source palette containing TV unsafe colors into a resultant modified palette containing only TV safe colors, while preserving the color trends in the source palette. The software w... | 05/02/2006 |
| 7015928 | Graphics display system with color look-up table loading mechanism A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, a graphics input and an audio input simultaneously. The chip includes a display engine that process... | 03/21/2006 |
| 6958784 | Video signal processing apparatus using multi-conversion stages A video signal processing apparatus for processing a video signal containing first and second color difference signals so as to adjust colors of an image represented by the video signal is disclosed. The apparatus includes a plurality of gain setting sections for se... | 10/25/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6940559 | Color reproduction correction circuit for color representation and a color display The color reproduction correction circuit which corrects the color distortion caused when color signals using the first combination of the three primary colors are reproduced in a color display of the second combination of the different primary color sources has bee... | 09/06/2005 |
| 6903782 | System and method for performing segmentation-based enhancements of a video image There is disclosed an apparatus for performing segmentation-based enhancements of a video image. The apparatus comprises: 1) an input buffer for storing video frames of an incoming video signal; 2) a segmentation controller capable of segmenting a first stored frame... | 06/07/2005 |
| 6888579 | Method and system for tint control for component video signals A method and system are provided for controlling tint of component video signals. The system includes a first input for receiving a first component video signal; a second input for receiving a second component video signal; circuitry including a first differential a... | 05/03/2005 |
| 6879348 | Method and apparatus for controlling the functions of an image capturing apparatus A method and apparatus for remotely controlling adjusting functions of an image capturing apparatus. The functions include contrast, gamma, sharpness, aperture, and contrast. A control apparatus transmits to the image capture apparatus a first command requesting a c... | 04/12/2005 |
| 6876399 | Image sensing apparatus for microscope An image sensing apparatus for a microscope of this invention includes an image sensing unit for sensing an observation image obtained by a microscope and obtaining the observation image, a microscopy technique determination unit for detecting a microscopy technique... | 04/05/2005 |
| 6753930 | Color reproduction correction circuit for color representation and a color display The color reproduction correction circuit which corrects the color distortion caused when color signals using the first combination of the three primary colors are reproduced in a color display of the second combination of the different primary color sources has bee... | 06/22/2004 |
| 6724422 | Method for automatically selecting color calibrations In a method for automatically selecting color calibrations for digital color image recording, especially for digital photography or digital video recording in any lighting conditions, at least one color calibration is produced and stored by recording a calibrated co... | 04/20/2004 |
| 6618079 | Color connecting apparatus for a video camera A color correcting apparatus is arranged to enable color matching between a plurality of video cameras by operating each camera without requiring a reference camera. A color matching processing section provided in a camera control unit for each camera gen... | 09/09/2003 |
| 6476877 | Color correction apparatus, color correction controller, and color correction system The invention provides a technique of making color adjustment for a great number of colors among different imaging apparatus. In the process of making color adjustment among a plurality of cameras, a color correction processing unit disposed in a CCU of e... | 11/05/2002 |
| 6469747 | Parabolic mixer for video signals A video signal mixer with a parabolic signal mixing function, especially useful in scene-by-scene color correction systems and "blue screen" video masking applications. The mixer effects mixing two independent signal sources while smoothly controlling the... | 10/22/2002 |
| 6466274 | System and method for color palette translation The system and software of the present invention presents a process for translating a source palette containing TV unsafe colors into a resultant modified palette containing only TV safe colors, while preserving the color trends in the source palette. The... | 10/15/2002 |
| 6456293 | Method and apparatus for working with constrained color on a computer terminal display A technique developed for simulation of constrained particle systems is applied to the visualization and manipulation of colors, both in isolation and relation to each other, in one or more color spaces. Utilizing the technique, a first color can be adjus... | 09/24/2002 |
| 6400371 | Television signal chrominance adjustment The invention provides an improved method and system for presenting color television signals. Television signal chrominance values for foreground elements are adjusted in response to television signal chrominance values for background elements, so as to m... | 06/04/2002 |
| 6373529 | Image processing A method and apparatus for the processing of video data in which the appearance characteristics of picture elements are modified using digital apparatus such as a color processor which provides a plurality of channels having respective processing means, e... | 04/16/2002 |
| 6288703 | Method for removing from an image the background surrounding a selected subject by generating candidate mattes In an image being displayed on a monitor, each observed background color is identified using a cursor to select the dominant colors. Each foreground color is also identified by using the cursor as a selector. For each pixel, several Candidate mattes are c... | 09/11/2001 |
| 6243133 | Method for automatic scene balance of digital images A scene balance correction method for a digital imaging device, including the steps of determining a low-resolution image from an input image in an input color space; applying a color transformation to convert the low-resolution image to a standard color ... | 06/05/2001 |
| 6064447 | Pure red color detection circuit and color compensation circuit using the same Red color saturation is increased and red color with higher purity can be reproduced by composing: a red color detection circuit 1 for detecting a red color signal having higher purity by inputting color differential signals (R-Y) and (B-Y) modulated by c... | 05/16/2000 |
| 5953455 | Apparatus and method for encoding and decoding an image An image encoding and decoding apparatus and method for providing a reference picture signal for display on a display device. Such reference picture signal may indicate a brightness change or a change in color. By observing the displayed reference picture... | 09/14/1999 |
