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5179638 Method and apparatus for generating a texture mapped perspective view  
A method and apparatus for providing a texture mapped perspective view for digital map systems. The system includes apparatus for storing elevation data, apparatus for storing texture data,...
5157388 Method and apparatus for graphics data interpolation  
Special purpose graphics instructions are provided to implement linear interpolation of pixel attributes such as a distance (Z) value or color intensity. Multiple fixed-point real number additions...
5142617 Method of shading a graphics image  
A method and apparatus for tiling a display area defined by lines joining vertices with a surface normal vector associated with each vertex whereby the display area is subdivided into sub-display...
5109481 Quadratic interpolation for shaded image generation  
A system for quadratic and higher order interpolation of pixel color and other pixel values into a bitmap image enables enhanced shading for generation of realistic computer graphics images. The...
5031117 Prioritization scheme for enhancing the display of ray traced images  
A method and means are provided for utilizing, in a color imaging environment, such as ray tracing, display adapter hardware which is capable of interpolating color values for pixels lying in an...
5014129 Video signal processing apparatus for converting composite image input signals into output signals having increased scan lines  
A video signal processing apparatus for converting an input analog video signal, including a variable-density image signal and a two-state image signal, into an output analog video signal whose...
4984181 Method of simulating by computer the appearance properties of a fabric  
A direct printing technique for simulating the appearance streaks in fabrics includes the steps of obtaining a data set of yarn physical properties for each yarn in the fabric, programming a...
4931954 Image storage system and method of storing images such that they are displayed with gradually increasing resolution  
A series of data access is performed wherein a representative pixel of each divided region obtained by dividing an original image frame into a plurality of regions is sequentially accessed while...
4905164 Method for modulating color for effecting color cell texture  
A full color real time cell texture generator uses a tapered quantization scheme for establishing a small set of colors representative of all colors of a source image. A source image to be...
4805116 Interpolated display characteristic value generator  
Method and apparatus for providing interpolated display characteristic values, such as intensity or Z value, for pels within a polygon to be displayed by a computer graphics display system. A...
4799173 Transformation circuit to effect raster operations  
Circuitry to enable pixel signals, which represent information that is stored in a first section of memory (and which information defines an image, or images to be viewed on a CRT display) to be...
4777486 Video signal receiver for computer graphics system  
A video image processing system and method for encoding and storing a video image in a bit map array. The system receives a raster scan video signal which it converts into an analog luminosity...
4710764 Device for obtaining continuous plots on the screen of a display console controlled by a graphic processor  
Device for obtaining continuous plots on the screen of a display console controlled by a graphic processor, comprising a graphic memory for storing in binary form the matrix of points or pixels...