Matches 1 - 19 out of 19
Match Document Document Title
7315301 Computer graphics processing system, computer memory, and method of use with computer graphics processing system utilizing hierarchical image depth buffer  
A computer graphics processing system includes a graphics processor and a computer memory responsive to the graphics processor. The computer memory includes an image depth buffer and a hierarchical...
6618047 Visibility calculations for 3d computer graphics  
Disclosed is a method of reducing the complexity of hidden surface removal in 3D graphics systems. A fuzzy projection (FF) of a surface (SU) as seen from a number of viewpoints (VP) in a bounding...
6249600 System and method for generation of a three-dimensional solid model  
A system and method for generating a three-dimensional representation of an object or scene which minimizes the number of range scans required from different positions to produce an image of...
6172679 Visibility calculations for 3D computer graphics  
Disclosed is a method of reducing the complexity of hidden surface removal in 3D grapghic systems. A fuzzy projection (FF) of a surface (SU) as seen from a number of viewpoints (VP) in a bounding...
6072500 Antialiased imaging with improved pixel supersampling  
An image processing system is described that receives polygonal image data at the direction of a processor and develops antialiased image data for display on a raster scanned display. In...
5926183 Efficient rendering utilizing user defined rooms and windows  
A room is a region of space, such as a volumetric cell, that is associated with certain objects that are potentially visible (or potentially not visible) when the camera lies within the room. The...
5926182 Efficient rendering utilizing user defined shields and windows  
A shield is a piece of geometry, such as a rectangle, that defines active/inactive regions in the world coordinate system that depend upon the position and orientation of the camera with respect to...
5920687 Z-buffer storage based on opacity and depth using pointers  
A computer graphics system having a processor for generating objects for display, a multi-layered Z-buffer for storing data according to their relative depths, the processor also compositing the...
5914721 Visibility calculations for 3D computer graphics  
Disclosed is a method of reducing the complexity of hidden surface removal in 3D grapghic systems. A fuzzy projection (FF) of a surface (SU) as seen from a number of viewpoints (VP) in a bounding...
5831628 Polygon overlap extraction method, and polygon grouping method and apparatus  
A polygon overlap extraction method extracts an overlapping relationship of polygons in a computer graphics system which plots a polygon having a transmitting attribute and a polygon having a...
5684939 Antialiased imaging with improved pixel supersampling  
An image processing system that receives polygonal image data at the direction of a processor and develops antialiased image data for display on a raster scanned display. In particular, the image...
5583974 Computer graphics system having high performance multiple layer Z-buffer  
A method and apparatus for retaining objects having equal Z-values. 1. A method of retaining objects having equal Z-values in a Z-buffer. The Z-buffer includes a first object. The method comprises...
5561748 Method and apparatus for creating solid models from two-dimensional drawings on a graphics display  
An improved apparatus and method for designing and displaying three dimensional solid representations from a two dimensional drawing. The invention prompts the user to select a two-dimensional view...
5561747 Boundary evaluation in non-manifold environment  
An information processing system performs boundary evaluation in a non-manifold environment. The system may be used for representation of objects in three dimensions, in a very general manner....
5561601 Non-manifold data structure based NC machining simulation system and method thereof  
Use of a non-manifold data structure enables retention of not only the interfaces between an entity in the process of being cut and a non-entity, but also the interfaces between entities or...
5497453 Method and apparatus for detecting and visualizing interferences between solids  
Methods and apparatus for automatically detecting and visually highlighting interference areas of a cross-section through displayed representations of solids. As a cross-sectioning plane (C) sweeps...
5428716 Solid-clip methodology and architecture for clipping solid models and displaying cross-sections using depth-buffers  
A method, and apparatus for practicing the method, processes pixels to display a cross-sectioned image of a solid object. The method includes the steps of, for each pixel that projects onto the...
5377313 Computer graphics display method and system with shadow generation  
A computer graphics display system and method are described for rendering a scene formed of at least one geometric primitive as a pixel image having shadows produced by at least one defined light...
5274760 Extendable multiple image-buffer for graphics systems  
A graphics buffer (22) for storing information describing pixels that represent an image. The graphics buffer includes Surface Buffer Modules (32) that include a first memory (46) for storing pixel...
Matches 1 - 19 out of 19