Matches 151 - 200 out of 323 < 1 2 3 4 5 6 7 >


Match Document Document Title
7420570 Methods and systems for video processing using super dithering  
A super dithering method of color video quantization maintains the perceived video quality on a display with less bit depth of color than the input video. Super dithering relies on both the...
7386185 Image processing device and image processing method  
An image processing apparatus for automatically improving the contrast of an input image that is obtained from a digital camera or the like, and obtaining a sharper and clearing image. A contrast...
7386186 Apparatus and method for processing images  
A method and apparatus for processing an image. Specifically, one exemplary embodiment of the method comprises inputting an image into a pixel array producing pixel output signals, executing an...
7379072 Method for determining weighting factors for the color calculation of a color value of texels for a footprint  
In a method for determining weighting factors for the color calculation of a color value of texels for a footprint covering a plurality of texels in a texel grid, in a graphic system, form...
7379624 Image processing method and apparatus  
An image processing method includes the steps of performing resolution conversion processing on input image data to increase the number of grayscale levels, performing edge enhancement processing...
7369277 Image processing apparatus, drawing processing method, and computer program  
A drawing instruction processor refers to a bit map line table that shows whether the bit arrays in the row unit are the same in the order of concentrations. The drawing instruction processor...
7369276 Multi-level halftoning providing improved texture uniformity  
A method for multi-level halftoning an input digital image to form an output digital image which includes a multi-level error diffusion halftoning process incorporating periodic dither signals...
7362325 2D/3D line rendering using 3D rasterization algorithms  
This patent discloses a system and method to compile a set of display points that define a two dimensional representation of a straight line graphic object using three dimensional rasterization...
7352373 Systems and methods for multi-dimensional dither structure creation and application  
Embodiments of the present invention comprise systems and methods for creation, modification and implementation of dither pattern structures.
7352375 Driving method of light emitting device  
A method of driving a light emitting device in which a plurality of pixels having a light emitting element are formed, characterized by including: setting j display periods (where j is a natural...
7336275 Pseudo random number generator and method  
A pseudo random number generator that generates a plurality of intermediate values, where each successive intermediate value is based, at least in part, on one of the succeeding intermediate...
7333656 Image processing method and image processing apparatus  
An image processing method comprises forming a histogram of an entire image, determining a ratio between a reference luminance value and a reference threshold value at a maximum frequency,...
7330193 Low noise dithering and color palette designs  
Methods for choosing and combining colors from a color palette to render an image color tone are disclosed. A set of up to four palette colors are chosen and the weighted factors for combining the...
7330291 Dither mask creating method and creating device  
In a computer generation of a dither mask for conversion of a continuous-tone image into a halftone image, a pixel array having a size in accordance with the dither mask is partitioned into...
7327373 3D dither algorithm  
A four-time resolution refinement of 3D-dither algorithm is provided in this present invention. A 4×2 pixel-block is treated as an observed unit in this present invention, which includes two 2×2...
7324109 Method for superimposing statistical information on tubular data  
A method is disclosed for displaying a plurality of statistical data usually presented in a histogram, such as sample counts and percentages of a collection of categorized samples, in a compact...
7312777 Liquid crystal display device and driving method thereof  
A liquid crystal display device carries out tone display with pixels by applying a tone voltage according to tone data to each pixel in each frame, and includes: an LUT memory, which receives tone...
7312799 Visual determination of gamma for softcopy display  
Provided herein are teachings directed to calibrating an output device such as a color display, using a visual method of determining the gamma for the blue primary that is easier to perform and...
7305501 Portable computer system having LCD monitor for selectively receiving video signals from external video signal input from external computer  
A portable computer system includes a portable computer equipped with a graphic chip, and an LCD monitor receiving a video signal from the graphic chip and displaying the video signal. The...
7286146 Method and system for LED temporal dithering to achieve multi-bit color resolution  
A method and system for temporal dithering of an LED indicator are disclosed, one embodiment of the method comprising: initializing the LED indicator to display a first color of a color palette;...
7280253 System for identifying low-frequency halftone screens in image data  
In a system, such as in a digital copier, for classifying image data derived from an original image, the image data is enhanced before submission to a classification analysis. In the enhancement,...
7268790 Display system with framestore and stochastic dithering  
A display system provides temporal stochastic dithering to image data for storage in a frame buffer for display. Stochastic dithering is used to reduce the size of the frame buffer and the...
7268783 Image alias rejection using shaped statistical filtering  
Image alias rejection when converting a high resolution rasterized waveform to a lower resolution rasterized waveform for display uses a statistical filter. The statistical filter provides a...
7256795 Extended power management via frame modulation control  
Power consumption in a portable computer device that provides true-color simulation on a liquid crystal display can be realized by selectively operating a graphics controller that drives the LCD...
7256794 Method and apparatus for processing video data of display device  
Discloses herein is a method and apparatus for processing video data of a display device in which dithering noise generating when a motion picture is displayed can be minimized. According to the...
7253819 Apparatus and method for representing visual information for embedded handheld devices  
Displays on embedded devices, such as cell phones, personal digital assistants, and game machines, typically have low color-depth resolution displays. The conversion of color image from high...
7250957 Liquid crystal display device and driving method thereof  
A liquid crystal display device having an improved viewing angle that prevents degradation of image quality. The device includes a timing control unit arranged to receive image data and a control...
7248268 Subpixel rendering filters for high brightness subpixel layouts  
The present application discloses several methods, techniques and systems for rendering source image data onto high brightness subpixel arrangements—for example, RGBW display panels. Additionally,...
7233339 Method and apparatus for performing dithering  
A method and apparatus for dithering may provide filtering M bit data and performing a temporal/spatial compensation based on LSB of the filtered M bit data. The dithering may be performed on a...
7221375 System and method for generating dithering patterns associated with a digital image  
A system and a method for generating dithering patterns associated with a digital image are provided. The method includes generating a first table index value indicative of a location in a first...
7221381 Methods and systems for sub-pixel rendering with gamma adjustment  
The gamma adjustment allows the luminance for the sub-pixel arrangement to match the non-linear gamma response of the human eye's luminance channel, while the chrominance can match the linear...
7209144 Image-display apparatus, image-display method, and image-display program  
Aspects of the invention provide an image-display apparatus including an image display, such as a liquid-crystal display panel, where the image display can display a limited number of gray scales,...
7206001 Fractal-dithering technique for image display  
Rapid dithering of an RGB image from a higher order to a lower order number of bits is provided while introducing fewer undesirable artifacts than are visible in conventional dithering technology....
7206003 Controller-driver, display device, and display method  
A controller-driver, a method of driving the controller-driver, and a method of processing image data enabling scroll or other various functions without adding a storage capacity of a display...
7206099 Media/screen look-up-table for color consistency  
In an image rendering system, a method of compensating for system performance changes related to image attributes includes rendering a diagnostic image, sensing at least one image quality from the...
7187387 Image processing apparatus capable of creating a dither matrix providing improved image quality  
In an image-processing employing a dither matrix a basic dither pattern is formed of a set of a plurality of basic patterns each including a plurality of pixels. In a single basic pattern a single...
7184053 Method for processing video data for a display device  
The invention is related to a new kind of pre-processing for plasma display panel control. The plasma display technology has the drawback of a reduced grey scale portrayal. This is due to the fact...
7180525 Spatial dithering to overcome limitations in RGB color precision of data interfaces when using OEM graphics cards to do high-quality antialiasing  
A graphics system comprising a set of rendering processors and a series of filtering units. Each of the rendering processors couples to a corresponding one of the filtering units. Each rendering...
7167185 Visualization of photomask databases  
Faster and more accurate techniques for displaying images are described. The techniques can be applied in various applications that include semiconductor fabrication processes. The invention uses...
7148901 Method and device for rendering an image for a staggered color graphics display  
A method for rendering an image for a staggered color graphics display comprises calculating first and second color values for each pixel or dot. The first color value is based on a portion of the...
7142222 Halftone controller circuitry for video signal during on-screen-display (OSD) window  
Digital circuitry for imparting halftone to that portion of a video image over which an on-screen-display (OSD) window is superimposed.
7130423 Threshold encoding of frame buffers  
A method for encoding and decoding frames by generating a key bitstream such that the key bitstream never has to be stored is disclosed. The method consists of a key generation algorithm using a...
7098927 Methods and systems for adaptive dither structures  
Embodiments of the present invention comprise methods and systems for adaptive dither pattern array generation and application.
7088479 Image processing apparatus for electrophotography and electrophotographic apparatus utilizing the same  
An image processing apparatus, which performs color conversion for input tone data in an RGB color space to obtain tone data for a CMY color space, and which performs halftone processing to...
7081901 Display system with framestore and stochastic dithering  
A display system provides stochastic dithering to image data for storage in a frame buffer for display. Dithering is used to reduce the size of the frame buffer and to reduce the complexity of the...
7079154 Sub-pixel assembly with dithering  
A sub-pixel assembly of one embodiment of the invention is disclosed that includes a number of active display units. Each active display unit is capable of controlling light, and has a turn-on...
7075552 System and method for display grid characterization, calibration, and verification  
This invention is directed to a system and method for creating characterization information and a correction map from a first display grid that can be transmitted and used by a second display...
7068285 Image converting apparatus and method thereof  
A system and method for converting color images divides a first image into first RGB values per pixel, determines which of the RGB colors in the first image has a greater specific gravity,...
7053909 Display method and display apparatus  
The display method and apparatus display colors used in color information on a display unit capable of displaying gray scale. The method and apparatus convert the colors into gray scale values so...
7043089 Overflow error diffusion  
Methods, devices and systems for overflow error diffusion in image processing are provided. A method includes calculating error values, em, corresponding to differences between modified intensity...

Matches 151 - 200 out of 323 < 1 2 3 4 5 6 7 >