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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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