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6243072 Method or apparatus for displaying greyscale or color images from binary images  
An apparatus and method for improving image quality and in particular to an apparatus and method for converting binary images to grey-scale or color images and displaying those images. The...
6243055 Optical display system and method with optical shifting of pixel position including conversion of pixel layout to form delta to stripe pattern by time base multiplexing  
An optical display system and method selectively displaces delta triad pixels vertically. The first raster line of picture information is removed from the video signal, and each subsequent raster...
6229580 Image color correction apparatus and recording medium having color program recorded thereon  
The invention provides an image color correction apparatus by which a hue in a desired region in a color image can be corrected to a desired hue readily. Based on a hue and a hue range designated,...
6226011 Color conversion method for a color matching, a method for expanding a function of a program module and a color conversion method using the method for expanding a function of a program module  
A color matching process which can respond to a type of object to be processed is automatically performed by a printer driver. The color conversion method converts first color image information...
6208770 Digital colored corrected prints produced from colored film  
A method of making digital colored prints by a particular printer operated by enabling software, the original images being provided on a colored film original includes scanning the colored film...
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...
6204858 System and method for adjusting color data of pixels in a digital image  
Color data of pixels of a digital image are adjusted by identifying pixels of a digital image having original color data corresponding to predetermined color and shape characteristics and adjusting...
6204859 Method and apparatus for compositing colors of images with memory constraints for storing pixel data  
A method and an apparatus determine a color for pixels in a graphics system in which images are defined by pixels. Multiple fragments of an image may be visible in any given pixel. Each visible...
6144365 System and method for performing blending using an over sampling buffer  
The present invention provides an alpha blending unit that is able to perform alpha blending on sub-samples of a pixel in an efficient manner. The alpha blending unit preferably comprises a...
6141024 Generating color text  
A rasterizer is used with a processor capable of providing raster data indicative of a pattern of pixels to be formed on a display. Each pixel has an attribute represented by a data value. The...
6141122 Data compressing method, image data memory, and method and device for expanding compressed data  
A data compressing method which can efficiently compress image data containing color data is provided. A compressed data expanding method which can expand the compressed data at high speed is...
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...
6133904 Image manipulation  
An apparatus for manipulating the colour of an image is provided, having a microphone for providing electrical speech signals representative of a user command, a speech recognition unit for...
6130675 Color image formation method and color image formation apparatus  
Input color signals are input at step S11 and are converted into first CMYK color material amounts to minimize a first distance function at step S12. At step S13, color coordinates reproduced from...
6128022 Coordinating color produced by two devices--using a hue-controlled machine color space, or surface scaling  
Device-space color specifications for two color-presentation devices are interrelated through the intermediary of at least one perceptual color space. This interrelation is performed by either...
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...
6100873 Computer telephone system and method for associating data types with a color making the data type easily recognizable  
A telecommunications system (10) is provided that provides for telephone functions to be accessed through client computer system (14). A server computer system (16) provides telephony services,...
6097366 Analog display interface storing color values based upon user controlled calibration  
An analogue display interface apparatus for providing analog color signals to a digital display unit includes a table look-up mechanism that provides digital representations of color signals to a...
6091399 Display controller for refreshing operator's visual strain  
To provide a display controller which can refresh operator's eyestrain effectively, a display controller of the invention comprises a compensation color memory (112) for storing data for displaying...
6078307 Method for increasing luminance resolution of color panel display systems  
A method for increasing luminance resolution of color panel systems includes inputting an image, I 0 , having a first resolution, wherein image I 0 includes color difference images, C1 0 , C2 0 ...
6067094 Brushstroke envelopes  
An envelope enclosing brush instances corresponding to transformations of a brush at points along a trajectory is generated. Points on the brush instances that are furthest from the trajectory are...
6064367 Bit expander  
N expansion bits are added to the LSB side of original data of m bits and thereby expanded data of (m+n) bits is obtained. In the case of m≤n, each bit of original data of m bits is repeatedly...
6057853 Bits-per-pixel reduction from variable intensity rasterizer to variable intensity or color display  
A new oscilloscope design improves the processing of acquired voltage-versus-time data through the efficient high speed acquisition and rasterization of such data into a form that includes...
6052156 Digital color encoder having sampling frequency converter  
A digital color encoder capable of reducing the aperture distortion of D/A conversion and the waveform distortion of the video signal without resulting in the increase of the consumed electric...
6046724 Method and apparatus for conversion of sound signals into light  
Method and apparatus for the conversion of sound waves to electromagnetic wave forms, preferably light, whereby sound waves are converted to an electrical signal and processed by a number of...
6046723 Method and apparatus for achieving color-appearance matching for an image viewed in surrounds of different relative luminances  
A method for achieving color-appearance matching for an image viewed in different surround conditions, the method comprises the steps of forming signals representing an original image; and mapping...
6031517 Multi-color display unit, comprising a control arrangement for color selection  
A multi-coloured display unit is described for characters having colour indicator signals. The characters can be displayed in a plurality of colours. Without information of the identify of the...
6025823 Color curve control circuit and method  
A color curve control circuit includes: a data input unit, for entering values for changing colors on the screen of a monitor; a microcomputer, for processing color signals corresponding to color...
6025829 Image generator for video display  
An image generator generates brightness modulated bars for a video monitor. The bars run parallel to the scan line of the monitor allowing the use of a relatively slow digital to analog converter...
6025885 Process for color transformation and a color video system  
In a process for color transformation from the input-side primaries (R, G, B) to image-side primaries (R", G", B") with a greater color stimulus specification region than that given by the...
6023266 PCMCIA video card  
Motion video may be imported into a personal or portable computer through an I/O port having a limited data bandwidth, such as a PCMCIA interface. Motion video data is compressed by sub-sampling...
6016168 Color correction device  
A color correction device, for strengthening or weakening a specific color according to the selection of a user, is provided. In a color correction device, the area of an input color signal is...
6016360 Method and apparatus for encoding color image data  
The present invention is directed to systems and methods for compressing image data while at the same time, improving both the compression ratio and the perceptibility of the decompressed image,...
6011566 System and method to display raster images with negligible delay time and reduced memory requirements  
The present invention is directed to a general purpose raster image system. The present invention performs transformations on an original raster image, and optimizes the raster image decoding and...
6008815 Method for adaptive polygon rendering with fast operation speed of interpolation  
In a method of polygon rendering, the coordinate and color spans of each polygon triangle are evaluated whether they are above or equal to a predetermined threshold value. A first bit resolution is...
6009191 Computer implemented method for compressing 48-bit pixels to 16-bit pixels  
The present invention provides a method, in a computer system, for compressing bit formats provided in a first packed data sequence. One embodiment of the method comprises the steps of generating,...
6005971 Method, system and program products for displaying multiple types of data in single images  
Production and processing of data representing digitized images are disclosed. The disclosure addresses the problem of providing an image which simultaneously represents both high spatial...
6005580 Method and apparatus for performing post-process antialiasing of polygon edges  
A method and apparatus for performing post-process antialiasing of polygon edges. According to one aspect of the invention, a method is provided for modifying the color of a pixel in a texture...
5995122 Method and apparatus for parallel conversion of color values from a single precision floating point format to an integer format  
A method and apparatus for parallel processing of graphics data are described. A number of color components are stored in a floating point format in at least one register of a set of 128-bit...
5990864 Converting color images to an arbitrary palette  
A method, apparatus, and article of manufacture for converting images to an arbitrary palette in a computer. A map table is created from the palette, wherein index entries referencing color values...
5986642 Color adjustment device  
Two or more images, which are produced from the same image data but which are adjusted to have different color states, are displayed alternately on the same position of the screen at a...
5977991 Frame buffer system with non-overlapping pixel buffer access variable interleaving, nibble replication  
A frame buffer system is disclosed that employs non overlapping serial enable signals to access pixel data values from sets of pixel buffers contained in each interleave of a multiple interleave...
5977946 Multi-window apparatus  
A video memory stores a plurality of image data, and an attribute storage means stores image attributes indicating whether or not the respective image data require expansion of a luminance range....
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...
5956015 Method and system for correcting color display based upon ambient light  
The color matching methods and systems according to the current invention accomplish accurate color matching by separating causes for creating color discrepancies in a predetermined color patch on...
5953074 Video adapter circuit for detection of analog video scanning formats  
A video adapter circuit for adapting analog video signals provided by a personal computer system designed to drive a CRT display monitor into signals appropriate for driving a flat panel display...
5943040 Graphical image reformatting  
A number of multiple-band pixels are stored in a number of data words and the multiple-band pixels are merged and sorted such that all components of each band of the pixels are stored contiguously...
5943058 Texture mapping circuit for performing data interpolations  
A method and apparatus for producing output values corresponding to pixels of an input image. A coordinate translation circuit for is provided for performing coordinate translation from input pixel...
5940089 Method and apparatus for displaying multiple windows on a display monitor  
A display list contains a plurality of entries which each point to a block of data to be displayed on a display screen. An attribute field associated with each entry defines the type of data in the...