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5903319 |
Method for eliminating temporal and spacial distortion from interlaced video signals
A method and apparatus for the elimination of temporal and spacial distortions from interlaced video signals, particularly those that occur in signals associated with affine transformations. This...
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5900880 |
3-D surfaces generated from a list of cubic elements
A system for display of interfaces within a block of raw data values comprises a model building portion groups data points into a cubes, receives a threshold and identifies cubes which a vertex...
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5898437 |
Method for fast rendering of three-dimensional objects by generating lists of like-facing coherent primitives
A method and apparatus for fast rendering of objects or scenes on a display controlled by a computer system. The scene to be rendered is stored as a series of triangle lists in an object data file....
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5896135 |
System and method for generating 3D color images with simulated light sources
A system and method for generating three-dimensional (3D) color images with a simulated light sources. The operation of producing 3D images involves a complicated scheme of time consuming...
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5886902 |
Method for optimizing items represented in permutation spaces
In a computer implemented method, possible arrangements of items, such as components to be placed on a semiconductor die, are described in a permutation space expressed as a data structure stored...
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5880733 |
Display system and method for displaying windows of an operating system to provide a three-dimensional workspace for a computer system
The present invention provides a three-dimensional perspective, virtual workspace to window based display systems. The user may activate control buttons to transform a typical two-dimensional...
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5880744 |
Method and apparatus for vector transformation involving a transformation matrix
A method and apparatus is provided for an efficient way to perform a transformation of vectors, such as color vectors of pixels in a digital image. The transformation involves the sequential...
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5877769 |
Image processing apparatus and method
The present invention relates to a image processing apparatus and the method thereof which can change image to be shown on a reflection surface of an object. The image processing apparatus for...
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5872571 |
Method and apparatus for display of multi-planar ultrasound images employing image projection techniques
An ultrasound imaging method employs an ultrasound transducer which outputs a beam that is scanned along a scan plane. The transducer is controllable to move the scan plane to plural non-coplanar...
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5870099 |
Method of supporting perspective projection
A method, apparatus and computer program for generating a perspective projection of a three-dimensional object compatible with a two-dimensional perspective background image. In the invention...
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5867168 |
Method of drawing a cubic view using a minor and a major axis of an ellipse
The method of drawing a cubic view, and more particularly to a method of drawing a cubic view by using data of plan views. First, displaying three model projection planes 1 for composing a cubic...
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5864342 |
Method and system for rendering graphical objects to image chunks
A method for rendering graphical objects in a scene to generate a display images includes dividing the geometric primitives of models in a scene among portions or "chunks" of the view space to...
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5850225 |
Image mapping system and process using panel shear transforms
Images for non-planar display systems are generated using polygon definitions that are pre-distorted using panel shear transforms. Initially, panel shear transforms are generated based on the...
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5838327 |
Controller for converting digital plane image data to virtual three-dimensional image data
The present invention relates to a controller for converting digital plane image data to virtual three-dimensional image data, comprising a frequency counting unit for counting frequency after...
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5838330 |
Scenery displaying system for displaying a scenery from an arbitrary position
A scenery from a first position in which contours of natural formations such as mountains, seas, lakes, basins, wide green areas and the like, contours of artificial structures such as buildings,...
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5838906 |
Distributed hypermedia method for automatically invoking external application providing interaction and display of embedded objects within a hypermedia document
A system allowing a user of a browser program on a computer connected to an open distributed hypermedia system to access and execute an embedded program object. The program object is embedded into...
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5835094 |
Three-dimensional computer environment
A method for displaying information about computer files to a user on a display in an environment simulating three dimensional space includes displaying a category of files as a container having a...
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5821943 |
Apparatus and method for recreating and manipulating a 3D object based on a 2D projection thereof
A method for generating information regarding a 3D object from at least one 2D projection thereof, the method comprising providing at least one 2D projection of a 3D object, generating an array of...
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5821940 |
Computer graphics vertex index cache system for polygons
The performance of a computer system displaying polygonal forms is improved by method and apparatus including a cache storage device and related control hardware operating in conjunction with a...
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5815158 |
Method and apparatus for viewing large ensembles of three-dimensional objects on a computer screen
A method and apparatus for visually rendering a three dimensional structure as an image on a two dimensional display without specialized hardware. The invention renders each object of the structure...
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5808613 |
Network navigator with enhanced navigational abilities
A browser for allowing a user to navigate in a three-dimensional world having a plurality of objects provides enhanced navigational capabilities. The browser allows the user to seek to an object or...
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5805168 |
Apparatus and method for converting line segment data to three-dimensional data
An apparatus and method in which an operator can input a three-dimensional (3D) graphics to a graphic system by performing an operation that is as if he were sketching on a paper surface. A line...
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5798923 |
Optimal projection design and analysis
A system for deriving a cartographic projection having minimum distortion with respect to selected elements of distortion. A first function contains modifiable parameters for mapping earth...
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5781194 |
Real-time projection of voxel-based object
Fast real-time rendering of a voxel-based 3-D object is achieved by constructing a surface voxel chain and using incremental vectors in describing positions of the chain elements. The rotations of...
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5777898 |
Method and apparatus for aligning a digitizing panel with a display device
A method and apparatus for aligning a first coordinate system of a digitizing panel with a second coordinate system of a display device. The method includes the steps of displaying a plurality of...
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5771043 |
Method and apparatus for displaying operating procedure
A display device or method for an operating procedure which enables an accurate transmission of an operating procedure of a target element to an operator, which enables the operator to understand...
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5771046 |
Image processing system and method including perspective transformation of three-dimensional objects utilizing clipping plane positions
Perspective transformation is performed on X, Y, Z coordinate data Xe, Ye and Ze in a view volume in a viewpoint coordinate system so as to obtain X, Y, Z coordinate data Xs, Ys and Zs in a screen...
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5767861 |
Processing apparatus and method for displaying a moving figure constrained to provide appearance of fluid motion
An image processor for displaying a predetermined moving figure includes a reference point memory for storing data on a plurality of reference points; each reference point is for displaying the...
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5767857 |
Method, apparatus, and software product for generating outlines for raster-based rendered images
A method apparatus, and software product generates raster-based complete outlines of raster-based rendered images based on 3D models. Preliminary outlines of a rendered image are created from the...
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5764871 |
Method and apparatus for constructing intermediate images for a depth image from stereo images using velocity vector fields
An interpolation operation is performed between a pair of stereo images to produce plural intermediate images. The interpiolation operation involves estimating the velocity vector field of the...
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5757321 |
Apparatus and method for clipping primitives using information from a previous bounding box process
In apparatus for processing image data representing multi-dimensional objects, data is stored defining the position of a light source, a viewing position, an arrangement of polygons defining an...
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5754189 |
Virtual environment display apparatus and method
A display apparatus displays behavior of a human model in an environment model. In the apparatus, a memory stores environment model data, human model data and patrolling path data in the...
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5748192 |
Video special effects system with graphical operator interface
A video special effects system and method includes at least one signal system operating in real time to transform one or more input video signals to generate an output video in response thereto, a...
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5748193 |
Flat pattern image generation of internal structure data
Three-dimensional image data of an object is generated by an x-ray CT or magnetic resonance imaging system, and used to produce a flat pattern of the whole surface image of the object. An imaginary...
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5745117 |
System and method of creating a three-dimensional solid model from a plurality of two-dimensional drawings
A solid model is created from a plurality of incomplete drawings. Line segments or curves on each view are calculated from two-dimensional data of a three-view drawing. A wireframe model is created...
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5745665 |
Method for processing a three-dimensional data set into a composite two-dimensional image viewable as a three-dimensional image
A method for processing a three-dimensional data set into a two-dimensional image that is viewable as a three-dimensional image is provided. The three-dimensional data set represents an object to...
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5742293 |
Data visualizer utilizing exterior selected and depth sorted polyhedron faces
To provide high-speed volume rendering without computing the points at which a viewing ray intersects with the boundaries of a volume data area. Visualizing a volume entails: selecting the exterior...
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5739820 |
Method and apparatus for specular reflection shading of computer graphic images
A method and system for approximating a Phong shading calculation for 3D renderings of realistic graphic images. The new method uses only a modest number of multiplies and adds to approximate a...
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5737506 |
Anatomical visualization system
An anatomical visualization system includes a first database that includes a plurality of 2-D slice images generated by scanning a structure. The 2-D slice images are stored in a first data format....
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5734807 |
Image processing devices and methods
An image processing device displays an object having three-dimensional coordinates on a display as if the image of the object were viewed by a camera placed at a predetermined position and at a...
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5732204 |
Method and device for 3D image processing
A method for coordinate transformation is presented to perform world coordinate transformation for placing a 3D model in world coordinates and to perform view transformation for spatially relating...
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5729673 |
Direct manipulation of two-dimensional moving picture streams in three-dimensional space
A video editing method that includes displaying a two-dimensional projection of a representation of a projection surface. This projection is derived from a three-dimensional position of the...
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5721691 |
Reconnaissance and characterization system for limited- or denied-access building and facilities
Apparatus, and a related method, for photographing the interior of a building to which access by personnel has been limited or denied because of contamination of some kind, and then converting the...
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5710875 |
Method and apparatus for processing 3-D multiple view images formed of a group of images obtained by viewing a 3-D object from a plurality of positions
A system for processing 3-D multiple-view images which can render an image of a 3-D object as seen from any arbitrary viewpoint based on the 3-D multiple-view images, provided with an image...
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5710877 |
User-directed interaction with an image structure map representation of an image
A data structure representation of an image called an image structure map (ISM) accurately and explicitly represents the geometry, topology and signal properties of regions in an original image and...
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5706416 |
Method and apparatus for relating and combining multiple images of the same scene or object(s)
Digitally encoded images having common subject matter are spatially related to one another and combined utilizing a projective coordinate transformation, the parameters of which are estimated...
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5692115 |
Method of generating an image and an apparatus for carrying out such a method
In order to generate a two-dimensional image of an object, three-dimensional model data is used. Drawing rules are stored which correspond to features of the object. Each drawing rule corresponds...
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5692114 |
Three-dimensional parameter input device and image processing apparatus
A three-dimensional parameter input device in which the icon composed of the first, second and third regions is displayed on the monitor, it is determined in which region among the first, second...
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5689287 |
Context-preserving display system using a perspective sheet
A substitute image is generated by dividing a full image into panels defined by a center (or focus) panel, for use in applications where the full image is not entirely displayable on a given...
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5689629 |
Iterative optimizing quantization method for reconstructing three-dimensional images from a limited number of views
A three-dimensional image reconstruction method comprises treating the object of interest as a group of elements with a size that is determined by the resolution of the projection data, e.g., as...
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