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8026866 Method for applying the same dithering table to different flat panels and display panel driving method using the same  
A method for applying the same dithering table to different flat panels and a display panel driving method using the same. The method for applying the same dithering table to different flat panels...
7973801 Method and device for processing video data for display on a display device  
A method for processing video data for display on a display device having a plurality of luminous elements comprising: applying a dithering function based on single ones of said luminous elements...
7965425 Image processing apparatus having card reader for applying effects stored on a card to a stored image  
An image processing apparatus for applying desired effects to a stored image. The apparatus comprises an optical reader; a feed mechanism for feeding a card having an array of dots past the...
7956874 Display apparatus and control method thereof  
A display apparatus that displays a picture based on a video signal, including a moving picture determiner that determines whether the video signal is used for displaying a moving picture; a...
7940281 Dithering method and related dithering module and liquid crystal display (LCD)  
A dithering method includes: utilizing a plurality of large dithering masks to perform dithering on a first set of Least Significant Bits (LSBs) of M-bit video data, utilizing a plurality of small...
7924289 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...
7916145 Drawing apparatus and dotted line drawing method  
The challenge of the present invention is to prevent a crook line part of a dotted line from being displayed in half tone. The present invention is contrived to calculate a center coordinate of a...
7911487 Methods and systems for sub-pixel rendering with gamma adjustment  
Sub-pixel rendering with gamma adjustment allows the luminance of the sub-pixel arrangement to match the non-linear gamma response of the human eye's luminance channel. For each of a subset of...
7903123 System for programmable dithering of video data  
A programmable system for dithering video data. The system is operable in at least two user-selectable modes which can include a small kernel mode and a large kernel mode. In some embodiments, the...
7884837 Method and apparatus for correcting spatial non-uniformity in display device  
A method and display device for correcting spatial non-uniformity in a display device are provided. The method includes receiving color signals of a pixel to receive the pixel, extracting...
7869094 Selective dithering  
Techniques are disclosed for selectively dithering only a subset of a digital image. One or more ranges of digits are selected for dithering. Only those pixels having digits within the selected...
7864192 Dithering system and method for use in image processing  
A dithering system includes a linear transformer, a dither data generator, an adder and a shifter. The transformer linearly transforms M bit input data using a linear function having a...
7864191 Techniques for efficient dithering  
A system comprising a storage including an image file associated with a plurality of pixels and processing logic coupled to the storage. The processing logic is adapted to determine an average of...
7834887 Methods and systems for combining luminance preserving quantization and halftoning  
A color quantization or re-quantization method is provided that combines two dimensional halftoning with luminance preserving quantization (LPQ) for better perception results of high precision...
7808510 Image processing apparatus, image transmission apparatus, display, image processing method, and image transmission method  
An image processing apparatus, an image transmission apparatus, a display, an image processing method and an image transmission method, capable of suppressing tone or gray-level distortion before...
7800691 Video signal processing apparatus, method of processing video signal, program for processing video signal, and recording medium having the program recorded therein  
A video signal processing apparatus generates a plurality of subframes from each frame of an input video signal to generate an output video signal having a frame frequency higher than the frame...
7796138 Method and device for processing video data by using specific border coding  
Response fidelity problems appear for some specific video levels at PDP borders. The reason is that some cells at the border of the PDP panel are not completely closed and pollute when switched ON...
7782493 Method of generating threshold matrix for creating halftone dot image and method and apparatus for creating halftone dot image and recording medium  
To generate a threshold matrix which is compared with an original image in creating a halftone dot image for each color component, in a matrix area for one color component, dot centers are...
7773826 Image processing apparatus 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...
7755638 Tinted edge enhancement using look-up table edge pixel identification  
The present application is a method of producing digital image objects with enhanced halftone edges. The method operates by selecting a target pixel location within the digital image; observing a...
7755649 Methods and systems for sub-pixel rendering with gamma adjustment  
Sub-pixel rendering with 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...
7738557 Video encoding apparatus  
A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one...
7733534 Image processing method, image processing apparatus, image forming apparatus, and recording medium  
In an image processing apparatus that performs a dither processing using a dither matrix based on the result of determination of the segmentation class to which the pixel to be processed belongs,...
7728844 Restoration of color components in an image model  
This invention relates to a method for improving image quality of a digital image captured with an imaging module comprising at least imaging optics and an image sensor, where the image is formed...
7724396 Method for dithering image data  
A method for dithering image data is provided. The method is suitable for representing A-bit grayscale values with a B-bit resolution, where A and B are positive integers and A>B. The main steps...
7710440 Apparatus and method of video signal processing for matrix display apparatus  
A video signal is processed using dither coefficients. Dither coefficients pattern signals are generated. Each pattern signal carries positive and negative dither coefficients arranged in an (n×m)...
7710605 Print system and printer  
A print system includes a computer and a printer. Image data having pseudo gradation with a dither pattern are printed by the printer. The computer divides the image data into predetermined areas,...
7692665 Methods and systems for adaptive dither pattern application  
Embodiments of the present invention comprise methods and systems for adaptive dither pattern array generation and application.
7649510 Plasma display apparatus and image processing method thereof  
The present invention relates to a plasma display apparatus and an image processing method thereof, and more particularly, the present invention relates to an improved plasma display apparatus and...
7643040 System and method for enhancing gray scale output on a color display  
There is disclosed a system and method for enhancing gray scale output on a color display. Various gray intensities are mapped based on an image made of various shades of gray so that a viewer...
7623721 High-speed dithering architecture  
A filter for implementing Floyd Steinberg two-dimensional error diffusion algorithms allows high-speed processing of video and images. The filter is shown in direct form with proper bit precision...
7609277 Method and apparatus for spatial and temporal dithering  
An apparatus and method for spatially and temporally dithering pixels. A pixel comprising at least one color component of a first size is provided. A dither addend is determined based on the...
7596280 Video acquisition with integrated GPU processing  
Systems and techniques for processing sequences of video images involve receiving, on a computer, data corresponding to a sequence of video images detected by an image sensor. The received data is...
7586649 Method and device for compressing image data  
A method for compressing image data that are processed by a pseudo gradation process using a dither pattern is provided. The method includes the steps of dividing the image data into predetermined...
7583837 Method and system for preparing grayscale image files for highlight printing on a four color printer  
A system converts grayscale image data into device independent image data that mimics highlight printing of the grayscale image at a full color printer. The system is preferably implemented in a...
7580044 Method and apparatus for non-linear dithering of images  
A method for dithering an image is disclosed, which includes: storing a plurality of dithering parameters corresponding to a predetermined function for a predetermined input intensity range; and...
7570808 Better picture for inexpensive cameras  
A method for enhancing an image includes applying an auto-level transformation to an original image to form a first image, applying an auto-contrast transformation to the original image to form a...
7551318 Image processing apparatus and image processing method  
The gray axis is adjusted such that an optimal representation can be achieved for low saturation colors close to the gray axis. A test pattern including a plurality of images, which have different...
7532365 Threshold matrix generation method, threshold matrix generation apparatus, and recording medium  
In a threshold matrix generation part 3 implemented by a computer, a tint image in a specified gray level is generated from temporary lighting order set in a matrix area, and a smoothing operation...
7522130 Plasma display panel (PDP)—improvement of dithering noise while displaying less video levels than required  
In many cases it is not possible to reproduce enough video levels on a PDP due to timing issues or a specific solution against the false contour effect. In such cases dithering is used to render...
7518618 Anti-aliased tagging using look-up table edge pixel identification  
The teachings provided herein disclose an image processing method for rendering a digital image possessing anti-aliased pixels by selecting a target pixel location within the digital image;...
7519219 Method and program for correcting facial image and recording medium  
A facial image photographed by a digital camera is downloaded to a PC. When a facial image correction program starts, a correction window and a correction item selection window open on a monitor....
7492482 Image processing apparatus, image processing method and image processing program  
An image processing apparatus having an arithmetic processing section for quantizing multi-density level image data and converting the image data into digital halftone image data for outputting....
7483039 System for programmable dithering of video data  
A programmable system for dithering video data. The system is operable in at least two user-selectable modes which can include a small kernel mode and a large kernel mode. In some embodiments, the...
7477265 System and method for optimising halftoning printer performance  
An apparatus renders a plurality of graphical objects of an image on a scanline basis, with each scanline including at least one run of pixels, and each run of pixels being associated with at...
7474316 Bit-depth extension of digital displays via the use of models of the impulse response of the visual system  
A dithering pattern that is generated based on a spatial operation is used for a Bit-Depth Extension (BDE) technique for preventing contouring artifacts in an image displayed by a display having a...
7453468 Intelligent color to texture converter  
A method for preserving color information in a black and white version of a color image includes the analysis of the color image. The analysis comprises a search for conflicting colors....
7453469 Slow dither display  
Embodiments of the invention provide an image display mode for displays, such as a television, that do not use the entire display field for displaying an image. A user selectable modification of...
7443581 Adjustable optical characteristic  
Embodiments of adjusting an optical characteristic are disclosed.
7420571 Method for processing a gray level in a plasma display panel and apparatus using the same  
A system and method for processing a gray level in a display device performs a random error diffusion operation on the video data using a first random coefficient value and a random dithering...

Matches 101 - 150 out of 323 < 1 2 3 4 5 6 7 >