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6438275 Method for motion compensated frame rate upsampling based on piecewise affine warping  
Interpolation of a new frame between a previous frame and a current frame of a video stream by motion compensated frame rate upsampling. The interpolation method includes identifying nodes and...
6433790 Methods and systems for rendering line and point features for display  
A method and system for rendering a feature, such as a line, for display on an array of pixels. With this method, the line is identified on the pixel array, the line is expanded into a polygon,...
6417862 Device and method for blending true colors and fog colors to generate display colors  
A device calculates a display color based on a true color, a fog color, and a distance z. The device uses two single-port memories, an arithmetic circuit, and a color blending circuit. Based on...
6388673 Method and system for filter type approximation in computer graphics processing  
A method and system for an approximation of a filter function for computing a characteristic value of an output pixel based on characteristic values of a plurality of input pixels is provided. A...
6377274 S-buffer anti-aliasing method  
A method and apparatus, for use in a computer image generation system wherein polygons are displayed on an array of pixels, for encoding data representing intersections of the polygons and the...
6373494 Signal processing apparatus and image processing apparatus  
A signal processing apparatus for linear interpolation capable of performing operations to obtain suitable original data even when an interpolation coefficient α is 1.0, wherein a correction term...
6366290 Dynamically selectable texture filter for a software graphics engine  
A software graphics engine includes a selectable mode filter for improved texture mapping. An x, y pixel coordinate is mapped into a u, v texture map. The mapped u, v coordinate includes integer...
6339433 Creating a blend of color and opacity between arbitrary edges  
A method and apparatus for creating a blend from one arbitrary edge (20) to a second arbitrary edge (21) in a computer graphic image creation is disclosed. A color along each of the edges (20,21)...
6335734 Color converting method  
In addition to linear conversion parameters V1 to V8 which are used in an interpolation calculation, non-linear conversion parameters VV1 to VV8 are calculated. Each time an input color is...
6326974 Method and apparatus for coloring support  
A coloring support apparatus comprises a table storage section to store a coloring table having an emphasis column for describing the degree of color emphasis of a domain in a linear graphic image...
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...
6226012 Method and apparatus for accelerating the rendering of graphical images  
A method which evaluates each sequence of pixels provided in a polygon to determine whether the pixels vary linearly, selects sequences of adjacent pixels which vary linearly, determines a...
6213653 Method and apparatus for efficiently interpolating an image using an expansion factor derived from two different numbers of gray levels  
A method and apparatus for determining an efficient expansion factor for an interpolation process to produce an interpolated image that has a greater spatial resolution and greater number of gray...
6204855 Computer system for interpolating a value for a pixel  
According to one approach, the present invention is embodied in a computer system and a computer implemented method for interpolating a color value for a pixel that is represented by a pair binary...
6191772 Resolution enhancement for video display using multi-line interpolation  
The invention provides a method and apparatus for enhancing apparent image resolution by way of multi-line interpolation. A method for enhancing the resolution of low-resolution image-data...
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...
6121976 Digital image-processing method for conducting color gradient  
The present invention is related to a digital image-processing method for conducting a color gradient, which includes the steps of: (a) constructing a draft enclosed by an inner closed curve and...
6084601 Corner buffer system for improved memory read efficiency during texture mapping  
A corner buffer system for improving memory read efficiency during the process of determining a bilinearly interpolated texel value corresponding to a pixel. The corner buffer system includes a...
6052126 Parallel processing three-dimensional drawing apparatus for simultaneously mapping a plurality of texture patterns  
A three-dimensional graphic drawing apparatus having texture pattern memory units which store a texture pattern having a set of texture pixel data designated by two-dimensional ST texture...
6034697 Interpolation between relational tables for purposes of animating a data visualization  
A method, system, and computer program product are provided for a new data visualization tool that visually approximates a scatter plot and provides smooth animation of graphics by using...
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...
5982379 Interactive color system editor and method of specifying potable color system framework representation  
A system for and a method visualizes a color system for specifying a portable color system representation. The portable color system representation does not require a large table or a large amount...
5974423 Method for converting a digital elevation database to a polygon database  
A Digital Elevation Database is converted to a Polygon Database by creating square cells of varying sizes, starting with a minimum size cell. A center elevation point in the cell is used to form...
5933148 Method and apparatus for mapping texture  
In a real-time texture mapping system, a more solid and naturally-mapped image is obtained with a minimum of computation volume. The texture-mapping system adds a texture image to an area of a...
5903276 Image generating device with anti-aliasing function  
A device for generating an image comprising polygons having polygon edges and a reduced aliasing effect on the polygon edges. The device includes a drawing processing unit for obtaining a color of...
5892516 Perspective texture mapping circuit having pixel color interpolation mode and method thereof  
A perspective texture mapping circuit (10) is disclosed. In a perspective texture mapping mode, an inverse z gradient and corresponding inverse z polygon vertex value is loaded into a first...
5845874 System and method for creating visual images of aircraft wake vortices  
A system and method for creating visual images of aircraft wake vortices allows a user, such as an aircraft controller, to increase a number of airport transactions while maintaining a...
5793379 Method and apparatus for scaling images having a plurality of scan lines of pixel data  
A method of processing a digital input image having a plurality of scan lines of pixel data into an interpolated digital output image by interpolating the pixel data in each scan line of the...
5774130 Computer animation generator creating hierarchies of models for rapid display  
A drawing method of computer graphics in which an approximation of a model is executed in consideration of a target point of the observer, a position of model, a size of model on a picture plane,...
5764236 Image data processing apparatus and image reproduction apparatus  
The present invention relates to an image data processing apparatus for generating an image corresponding to a view point, which is constituted by multi view points image data hold means for...
5761392 Process of making two adjacent uniformly colored objects appear with a diminished gap in between  
A process is provided for avoiding a gap between adjacent uniform color objects in an image. First, it is first determined whether the image data contains two adjacent uniform color objects, each...
5745666 Resolution-independent method for displaying a three-dimensional model in two-dimensional display space  
A method for rendering a graphics image of a three-dimensional graphics model is described. The method consists of the steps of projecting a parametric surface representation of the...
5677644 Ramp generating structure for producing color graphics  
A graphics engine is disclosed which can be used in a color desktop publishing system. The graphics engine accepts 32-bit RGBM data and performs pixel level calculations under computer control to...
5621870 Method and apparatus for uniformly scaling a digital image  
An apparatus is used to process an original digital image to obtain a uniformly scaled desired digital image, the original digital image having a number (N) of successive original image data while...
5594846 Perspective correction of texture in graphics by adaptive approximation  
A computer graphics system includes a texel value generator capably of generating texel values using a minimal amount of computationally intensive divisions while maintaining a selectable texel...
5581674 Image displaying system for efficiently storing images having different luminance levels for use in a graphic display system  
A graphic display system including a display unit, a main memory for storing graphic data, and a controller for controlling the processing and transferring of data between the display unit and the...
5568597 Adapting image data resolution to match resolution of an output device  
Binary data are obtained on data of reference pixels included in the upper and below lines of an interpolated pixel through binarizing circuits by comparing with the threshold value determined...
5546515 Image processing apparatus  
In the radiosity calculation, the intersection decision is effected by the ray-casting method with respect to one portion of element of the polygon interior with the use of the coherence of the...
5506947 Curve and surface smoothing without shrinkage  
The present invention smooths piece-wise linear shapes by defining neighborhoods of vertices around vertices of the shape. One or more vectors is defined between the vertex and each of its...
5418895 Method for displaying a high quality digital color image on a limited color display  
Instead of trying to minimize some cost function of color errors, the present invention exploits physical models of scene-image relations. An image is first segmented into regions corresponding to...
5341462 Figure drawing method and apparatus for drawings accentuated lines  
A method fills a polygon and then draws edge lines while inhibiting renewal of only depth data in a depth buffer. Thereafter, a method fills the polygon while inhibiting renewal of only color data...
5327509 Compressed image system for texture patterns  
The disclosure describes the use of an image generator connected to receive at least two, and preferably three, base colors that have been previously compressed using two blend factors to...
5319750 Graphic processor suitable for graphic data tranfers and conversion processes  
A graphic processor which controls reading, writing and transfer of graphic data for a display memory that stores graphic data. The processor includes a first unit which stores first address...
5278949 Polygon renderer which determines the coordinates of polygon edges to sub-pixel resolution in the X,Y and Z coordinates directions  
A polygon rendering circuit for a computer color graphics system comprising an edge stepper which steps along edges of an input polygon to determine the span of the polygon along each scan line...
5264927 Method and apparatus for processing color signals to convert between colorimetric systems  
A first set of different color signals represented in a colorimetric system is converted into a second set of different color signals represented in another colorimetric system. Predetermined main...
5255352 Mapping of two-dimensional surface detail on three-dimensional surfaces  
A system and method for providing surface detail to mathematically defined three-dimensional surfaces which preserves the specific dimensional integrity of the surface detail image being mapped to...
5222204 Pixel interpolation in perspective space  
A method and apparatus for interpolating pixels to be displayed on a display screen so as to account for the nonlinearity of distance changes in the perspective projection of a 3-D object onto the...
5214751 Method for the temporal interpolation of images and device for implementing this method  
A method enabling reconstitution of the luminance values of a frame from the luminance values of the pixels of two known frames. The method includes estimating a velocity vector for each pixel of...
5206628 Method and apparatus for drawing lines in a graphics system  
A method is provided for generating pixel color information for use in producing an image of a line segment on a graphics display screen, the method comprising the steps of: denoting at least one...
5202670 Image processing apparatus  
An image processing apparatus for interpolating an input image and outputting an interpolated input image, includes a pipeline operation unit for selectively performing interpolation operations at...