Matches 251 - 300 out of 332 < 1 2 3 4 5 6 7 >
Match Document Document Title
6340975 Gamut correction with color separation and methods and apparatuses for performing same  
Methods and apparatuses for correcting gamut limitations of a color device. A method includes creating a predefined color space for use in gamut correction due to the gamut limitations of the color...
6337922 Image process method, image process apparatus and storage medium  
Color matching is performed in a network system using a communication device which communicates with a network server storing plural device profiles and color management modules. A selection device...
6310969 Color coordinate space structure and color quantizing and variable gray area designating method therein  
A color space structure and quantizing method is disclosed. Upon conversion from the RGB color space into HSV color space, a difference value S' (S'=max-min) is obtained by varying the maximum...
6292195 Formatting color signals by selecting irregularly distributed output color points of one color space surrounding an inputted color point of another color space  
A color signal selection apparatus comprising a color space split unit for splitting a color space to which an inputted first color signal belongs, according to the first color signal, and a color...
6269184 Method and apparatus for interactive color transformation of color values between color spaces  
A method and apparatus for mapping a first color space into a second color space which allows a user to specify or constrain the mapping for a subset of the points within the first color space and...
6268847 Method and apparatus for more accurate color base conversion of YUV video data  
A method and apparatus for improving the quality of video data when displayed on a display device that uses YUV output data to produce a display includes processing that begins by generating...
6262744 Wide gamut display driver  
The present invention relates to a method for coding a signal which describes a picture as a function of three tristimulus values (X, Y, Z), to produce a signal which describes the picture as a...
6262817 System and method for adjusting a color image  
A color image system for adjusting colors of inputted images includes a color adjusting unit and color display unit. The color display unit simultaneously displays the original image, the adjusted...
6246396 Cached color conversion method and apparatus  
An apparatus for converting an input image in an input color space to an output image in an output color space. The apparatus has a cache memory for storing from external memory, sparsely located...
6208767 Hardware rotation of images with line sorting in L*A*B* color space  
A method for rotating an input image matrix having pixel grouping data to form an output image matrix in a computer is provided. The pixel grouping data is accessed and readdressed to rotate the...
6208351 Conversion of alpha-multiplied color data  
Alpha-multiplied color data is converted into a form suitable for use in blending operations which does not generate a loss of color value precision or introduce significant color shifts into a...
6195081 Single-pass color quantization for graphic images  
A system and method for performing a single-pass color quantization for graphic images on a computer. The computer includes a processor capable of running operating code, an input device accessible...
6177946 Method and apparatus for processing video data and graphics data by a graphic controller  
A method and apparatus for processing video and graphics data is accomplished by receiving display data that includes at least one of video data and graphics data. If the display data includes...
6166720 Color LCD driver with a YUV to RGB converter  
YUV to RGB converter for converting a digital YUV signal having a Y signal, a U signal, and a V signal to a digital RGB signal having an R signal, a G signal, and a B signal according to equations:...
6140997 Color feature extracting apparatus and method therefor capable of easily transforming a RGB color space into a color space close to human sense  
A color feature extracting apparatus is provided, which can easily transform a RGB color space into a color space close to the human sense and execute color classification and color region...
6137495 Method for storing, accessing, transforming, and displaying multi-variable digital data  
A method of data storage, access, interpolation, and display, particularly suited to colorimetry, is disclosed. From a relatively small, multidimensional, device-independent, data base--or "color...
6128415 Device profiles for use in a digital image processing system  
Device profiles conventionally describe properties of a device or element within a digital image processing system that capture, transform or render color components of an image. An improved device...
6107987 Apparatus for table-driven conversion of pixels from YVU to RGB format  
An apparatus for converting digital video pixels from YVU format to RGB format includes first, second and third registers each of which is coupled to computer memory by a data bus. The computer...
6081253 Method for generating numerous harmonious color palettes from two colors  
When the positions of two points within a uniform three dimensional space are known, this invention finds all the planes in the space that pass through an axis determined by those two points. It...
6064396 Two-step gamma correction method and system  
The current methods and systems for correcting image information improve input and output characteristics. Although γ correction curves have been used in prior art, the current invention allows...
6043804 Color pixel format conversion incorporating color look-up table and post look-up arithmetic operation  
A color space converter (100) is disclosed. The color space converter includes an input data MUX (110), a first and second look-up table (LUT) (104 and 106), an arithmetic logic unit (ALU) (108),...
6031543 Image processing apparatus for correcting color space coordinates and method  
Color information of a color image is represented by the Lab color space. A user can change hue by moving the position of a reference circle displayed on the a*b* plane in the Lab color space and...
6028590 Color conversion for processors  
A method for color conversion is disclosed. The method includes the steps of generating constants from a number of points, spacing and an endpoint for YUV point spacing, adding a constant to a...
5963263 Method and apparatus requiring fewer number of look-up tables for converting luminance-chrominance color space signals to RGB color space signals  
In a method and apparatus for converting digitized luminance-chrominance color space signals to digitized RGB color space signals, a first combining unit generates a plurality of predetermined...
5960162 Image processing apparatus which converts multi-value density data and outputs the converted data  
A color image processing apparatus which generates color-preview-image data corresponding to a color image output by an output device converts color image data into binarized density color image...
5936683 YUV-to-RGB conversion without multiplies using look-up tables and pre-clipping  
A video-input stream to a personal computer (PC) is converted from YUV format to RGB format. Two look-up tables are used. One look-up table has the Y and V components as address inputs, while the...
5920322 Method and apparatus for providing 32-bit YUV to RGB color conversion  
A method of providing conversion from YUV signals to RGB signals includes the steps of determining a correspondence value between each of the Y, U, and V pixel values and the corresponding one of...
5896122 Color image processing  
Apparatus for performing a color transformation or color retouch operation on multibit digital data defining P color components of image pixels. The apparatus comprises a look-up table (2) which is...
5880738 Color mapping system utilizing weighted distance error measure  
A method for computing the output values of a first series of input points, given the output values of a second series of input points is disclosed. The method comprises, for each input point of...
5867169 Method and apparatus for manipulating color values in a computer graphics system  
A method for manipulating color values in a computer graphics system. Colors are mapped into a color space referred to as "HSY space," which provides independent control over the orthogonal...
5857063 Multicolorant process control  
A computer product for controlling a color-reproduction process employing N colorants, where N is greater than 3, the computer program product comprises: a computer readable storage medium having a...
5841422 Method and apparatus for reducing the number of matrix operations when converting RGB color space signals to YCbCr color space signals  
In a method and apparatus for reducing the number of matrix operations when converting digitized RGB color space signals to digitized YCbCr color space signals, at least two color difference...
5838299 RGB/YUV video convolution system  
An apparatus and a method are provided for smoothing out high frequency information in an interlaced computer generated display. A computer generated RGB signal is converted into a YUV signal,...
5838333 Image processing device and image processing method  
An image processing device and image processing method for expanding code image data to bit map image data for use in image formation. The image processing device includes a storage device, an...
5828819 Apparatus and method for automatically creating a picture in a style having painting-like coloring using an image processing  
The present invention has the effect that the users can automatically create a natural picture in the style of painting-like color, as if it is a photograph, by directly manufacturing a terminal of...
5819018 Image data converting method and image processing apparatus  
A color image data processing apparatus and method for inputting color image data of a first color space, selecting representative color image data of a second color space which differs from the...
5808630 Split video architecture for personal computers  
A split video architecture in accordance with the present invention merges or composites the video data into a common frame buffer with the desktop data. For example, pixels of a first format...
5798767 Method and apparatus for performing color space conversion using blend logic  
A method and apparatus for performing color space conversion using blend circuitry in a graphics/video adapter is provided. Blend circuitry which is capable of blending two color values and fog...
5784050 System and method for converting video data between the RGB and YUV color spaces  
A color space converter that uses a set of simple coefficients to convert data between the RGB and YUV color spaces. The converter utilizes conversion circuitry operable to receive RGB data. The R,...
5760762 Color image processing method and color image processing  
Color image information of a predetermined number of frames is inputted while being displayed by a brilliance component, and after completion of inputting of the predetermined number of frames, the...
5754184 Digital color system and method which provides a visual match across different input and output viewing conditions  
A color management system that converts or transforms color signals between device dependent color spaces and a device-independent space using reference image viewing conditions for the...
5742350 Video system performing non-uniform interpolation of color space signals and method of using same  
A real-time video system which performs non-uniform interpolation between adjacent vertical scan lines is presented. The video system includes a converter, a memory, an enhanced-video circuit, and...
5742296 Image processing method and apparatus therefor  
An image processing method for executing image data conversion between different types of input and output devices having different color reproduction ranges, and an apparatus therefor are...
5734362 Brightness control for liquid crystal displays  
An arrangement and method for adjusting the brightness of an image signal having digital pixel values to produce brightness adjusted output pixel values is provided with an adder and lower and...
5726682 Programmable color space conversion unit  
The present invention relates to a method of converting signal components of one of a first input three component color model signal and a second input three component color model signal to either...
5691746 Digital video format conversion by upsampling decompressed data using on-the-fly interpolation and color conversion  
The present invention is related to an apparatus for digital video format conversion for a decompressed digital video data outputted from a decompressor, which includes a video interpolation device...
5680526 Method and system for selectively rendering image data in a bi-level or multi-level format  
An image to be generated is analyzed to determine whether it is comprised solely of bi-level color data. If so, an indication is provided to a rendering device that a simpler rendering procedure,...
5671022 Image processing system and method for converting YCbCr data composed of luminance and chroma into RGB data of three primary colors  
An image processing system and method capable of reducing hardware scale to improve processing speed. The G conversion section includes a third product producer for producing a third product from a...
5670986 Graphics system for displaying images in gray-scale  
A graphics system for use with a computer in a gray-scale mode. The graphics system utilizes a lookup table having index values to be stored in a frame buffer. The lookup table is addressed by...
5668890 Method and apparatus for the automatic analysis of density range, color cast, and gradation of image originals on the BaSis of image values transformed from a first color space into a second color space  
A method and apparatus for analysis of an image original to be reproduced by evaluating image values (R, G, B) acquired by the point-by-point and line-by-line, trichromatic scanning. The image...
Matches 251 - 300 out of 332 < 1 2 3 4 5 6 7 >