|
Match
|
Document |
Document Title |
|
|
5101475 |
Method and apparatus for generating arbitrary projections of three-dimensional voxel-based data
A device for generating parallel and perspective projections of 3-D voxel-based images, viewed along arbitrary viewing directions. The method involves using retrieval parameters to retrieve voxels...
|
|
|
5079703 |
3-dimensional migration of irregular grids of 2-dimensional seismic data
A method and apparatus for deriving a three-dimensional seismic image from an irregular grid of two-dimensional seismic data is provided. The two-dimensional seismic data incldue a plurality of...
|
|
|
5072413 |
Multiple-view hole shape display method
A multiple-view hole shape display method in which the shapes of holes in workpiece are displayed in the form of multiple views on a display screen using hole shape data. Display colors and display...
|
|
|
5058042 |
Method for employing a hierarchical display list in global rendering
A method for employing a hierarchical display list in global rendering comprises the steps of traversing the display list and extracting selected primitives and attributes. A bounding volume is...
|
|
|
5003497 |
Method for three-dimensional clip checking for computer graphics
A method for clip checking three dimensional images for display on a computer display system. The display system includes a computer having a central processing unit(CPU) coupled to a memory and a...
|
|
|
5003498 |
Graphic display method
A three-dimensional shape as a synthesis of three-dimensional geometry entities is controlled and displayed. The geometry entities are controlled in accordance with information defining the...
|
|
|
4987527 |
Perspective display device for displaying and manipulating 2-D or 3-D cursor, 3-D object and associated mark position
A manual operating system for manually operating a pattern displayed on a screen of a graphics display device, which is included in the manual operating system so as to display generated patterns...
|
|
|
4985855 |
Method for producing installation instructions for three dimensional assemblies
A method of producing instructions for installing a three dimensional cable assembly in a larger assembly. A three dimensional digital computer model of the cable assembly and a larger assembly is...
|
|
|
4974177 |
Mapping circuit of a CRT display device
In a mapping circuit of a CRT display device in accordance with the present invention, vertex calculating means (2 and 3) evaluates corresponding relations between vertexes of a three-dimensional...
|
|
|
4970666 |
Computerized video imaging system for creating a realistic depiction of a simulated object in an actual environment
A system and method for producing highly realistic video images which depict the appearance of a simulated structure in an actual environment, and provides for accurate placement of the structure...
|
|
|
4965752 |
Spatial transformation of node points in computer graphics using vector differences between their spatial coordinates
A method for computing, in a computer with a television terminal, spatially transformed locations for samples in three-dimensional image space, of which a two-dimensional view is afforded on the...
|
|
|
4965753 |
System for constructing images in 3-dimension from digital data to display a changing scene in real time in computer image generators
A three-dimensional image processing system which reconstructs real-time display images from scene photographs. The system permits real-time projection of multiple, digitized, photographic...
|
|
|
4958305 |
Polygon edge clipping
A method for clipping a source polygon to a view window permits the valid (i.e. potentially visible) edges or portions of edges of the source polygon and of the view window boundary edges to be...
|
|
|
4953107 |
Video signal processing
Apparatus for generating an image for digital scene simulation, the apparatus comprising a first store for storing address data defining the three-dimensional shape of an object, a second store for...
|
|
|
4951040 |
Image transformation processing
A flat picture is spatially transformed by moving selected reference points one-by-one and "pinning" them at new positions. The system comprises a source of picture video signals, (1, 2)...
|
|
|
4940972 |
Method of representing a perspective image of a terrain and a system for implementing same
A method is provided for representing, on a display device screen and in perspective from a given point of observation, the image of a terrain known by the nodes of a given mesh network, in which...
|
|
|
4928250 |
System for deriving radiation images
In an algorithm for deriving radiation images, where view independent radiation calculations are precomputed so that they do not need to be repeated for every view of the same environment. To find...
|
|
|
4910683 |
Method and apparatus for fractional double buffering
A user, through the use of an input device, provides signals indicative of x,y and z coordinates to a host central processing unit (CPU). The x,y and z coordinates provided by a user correspond to...
|
|
|
4901064 |
Normal vector shading for 3-D graphics display system
A system is provided for application of a lighting model to a rasterized stream of pixels. The system typically includes a series of circuits, each for applying a lighting model to a single pixel....
|
|
|
4890249 |
Data compression and decompression for digital radar landmass simulation
A unique digital radar landmass simulator (DRLMS) uses different culture data compression techniques and hardware from that used in the conventional DRLMS systems. The application of these...
|
|
|
4885688 |
Minimization of directed points generated in three-dimensional dividing cubes method
A system for displaying three-dimensional surface structures according to computer graphics methods extracts a surface definition from a tomographic array of data using interpolation of the data...
|
|
|
4873585 |
Method of selectively retrieving video images from a video reproducer for simulating movement
A method and apparatus for simulating movement within a multi-dimensional space by selecting and reproducing a particular one of a plurality of selectable sequences of video images subsequent to a...
|
|
|
4868771 |
Computer image generation with topographical response
In a computer image generation system, the choice of a path for a vehicle model over a landscape is not restricted. Objects and features in an image to be displayed are defined by polygons. Plumb...
|
|
|
4865423 |
Method for generating images
This invention relates to a method for generating images by using a ray-tracing method. The method for generating images according to the invention registers only a cell containing the surface of...
|
|
|
4866637 |
Pipelined lighting model processing system for a graphics workstation's shading function
A lighting model processing system for a computer graphics workstation's shading function includes multiple floating point processing stages arranged and operated in pipeline. Each stage is...
|
|
|
4862388 |
Dynamic comprehensive distortion correction in a real time imaging system
A real time computer image generation system incorporating comprehensive distortion correction in which a predistorted image is computed and placed on a projection raster prior to projection onto a...
|
|
|
4862392 |
Geometry processor for graphics display system
A geometry process for use in a graphics processing system, especially adapted to couple with a hierarchically structured graphics database memory, a special purpose processor for traversing the...
|
|
|
4858150 |
Shape modeling system
A shape modeling method of the interactive operation type for generating a 3-dimensional shape of an object using 2-dimensional wire-frame figures formed by a drawing system, which inputs...
|
|
|
4855937 |
Data block processing for fast image generation
An improvement for the real-time computer generation of visual scenes based on an algorithm that reduces the processing of elevation data to simple repetitive accumulations and a compare operation...
|
|
|
4845643 |
Simplified computer graphics perspectives
A method for generating an accurate perspective drawing of an object as it would appear from a freely chosen viewpoint, utilizing only data from conventional plan and elevation drawings, arranged...
|
|
|
4819192 |
Method of displaying image
A method of displaying graphic image surface information data of an object lying within a three-dimensional space on a two-dimensional display screen when seen from a predetermined observing point...
|
|
|
4805121 |
Visual training apparatus
A computer controlled visual display system utilizing a complex set of inputs to develop a video display of a preselected terrain. The computer program utilizes three dimensional topographical data...
|
|
|
4766423 |
Three-dimensional display apparatus
A cursor moves at a constant velocity in a constant direction in a display space for displaying a three-dimensional image. When two parameters for representing a direction in a three-dimensional...
|
|
|
4763280 |
Curvilinear dynamic image generation system
A system is disclosed for the production of real-time, computer-generated images as for projection on a curvilinear surface as on the inside of a dome. A general-purpose computer provides data for...
|
|
|
4754269 |
Graphic display method for displaying a perspective view of an object on a CRT
A graphic display method for transforming three-dimensional coordinate values (x, y, z) of an object to be displayed into coordinate values (X,Y) of a two-dimensional display coordinate system on a...
|
|
|
4752828 |
Method for producing a geometrical transformation on a video image and devices for carrying out said method
Special effects are produced on video images by means of a method of geometrical transformation which can involve a translation, a rotation, an affine transformation or an effect of perspective....
|
|
|
4751660 |
Determining orientation of transformed image
A method of processing video signals to achieve a visual effect involving three-dimensional manipulation of an input image includes the use of a circuit for determining pixel address by pixel...
|
|
|
4734690 |
Method and apparatus for spherical panning
A graphics display terminal performs a pan operation with respect to a view motion center to effectuate spherical panning, thereby providing perspective and non-perspective views. Three dimensional...
|
|
|
4727365 |
Advanced video object generator
A computer video image generating system including a computer memory having three dimensional object data stored therein employs an advanced object generator for retrieving and processing the...
|
|
|
4695964 |
Image correction processing method
Distortion models consisting of two forward and backward reciprocating planes that let a corrected image correspond to an uncorrected image for each scanning direction are constituted to let an...
|
|
|
4694404 |
High-speed image generation of complex solid objects using octree encoding
To generate two-dimensional images of three-dimensional solid objects at high speed, an object is defined within a three-dimensional universe hierarchically subdivided into a plurality of discrete...
|
|
|
4682160 |
Real time perspective display employing digital map generator
A system for generating a real time perspective view of the terrain lying along an aircraft's flight path accesses terrain data stored in a digital map generator and converts the data into a...
|
|
|
4677576 |
Non-edge computer image generation system
A computer image generation system is described which models objects without the necessity of linear edges. The system is adaptable for dynamic (real time) image generation from a compact model...
|
|
|
4674046 |
Method and apparatus for obtaining three dimensional tomographic images by interpolation of a plurality of projection slice data bind for obtaining projection data for a chosen slice
According to a scan planning method for obtaining any tomographic image by a CT system, projection data of a plurality of parallel slices is acquired by a computed tomographic scanning device. The...
|
|
|
4660157 |
Real time video perspective digital map display method
A digital system for producing a real-time visual display in perspective of the terrain over which an aircraft is passing on the basis of compressed digital data stored on a cassette tape includes...
|
|
|
4645459 |
Computer generated synthesized imagery
The disclosure relates to a computer controlled imaging system involving a digital image processing and display system which has the ability to compose and construct a display scene from a library...
|
|
|
4616217 |
Visual simulators, computer generated imagery, and display systems
A display system having a screen and two spaced projectors arranged to illuminate respective parts of the screen. The screen includes a diffusor which serves to scatter light incident on the screen...
|
|
|
4615013 |
Method and apparatus for texture generation
A method and an apparatus for texture generation for a digital image generator of an aircraft flight simulator is disclosed in which (a selected two of the three) coordinates of each pixel of an...
|
|
|
4583185 |
Incremental terrain image generation
An algorithm for the real-time computer generation of visual scenes reduces the processing of elevation data to simple repetitive accumulations and a compare opertion to generate occult data using...
|
|
|
4580782 |
Memory mapping scheme for one-dimensional memory storage system
A one-dimensional memory storage device, such as a video disc, is utilized to store graphic image symbols for video game displays. The storage device is organized so that the graphic symbols may be...
|