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6603473 |
Detail data pertaining to the shape of an object surface and related methods and systems
A method of forming detail data corresponding to a vertex of a polygonal mesh representation of an object surface. The mesh representation has a limit surface, and the vertex has a limit point on...
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6600489 |
System and method of processing digital terrain information
In a mapping system using a graphics application programming interface, for every digital terrain elevation data post, a normal to the terrain surface is calculated, which is then encoded in a...
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6600486 |
Method for three-dimensional solid graphic generation and record medium of three-dimensional solid graphic generation
A method for three-dimensional solid graphic generation: First, a basic graphic command and a variable showing a size of the graphics are inputted into an input unit as graphic data and a...
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6597359 |
Hierarchical space subdivision hardware for ray tracing
The invention is a method and apparatus for a ray tracer incorporating major functions of ray tracing in hardware. The invention performs the hierarchical space subdivision technique of...
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6597355 |
Automatic recognition and suppression of complex interacting holes
A method of recognizing holes and hole chains in a solid model of a part and suppressing at least some of these holes and hole chains in the solid model. In general, the method analyzes each face...
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6597369 |
Virtual shape generation method and device using the same
The present invention is to propose a method and device which evaluate the shape and the size of each part of a human body in a multidimensional manner, generate a distribution map thereof, and...
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6597368 |
Morphing image processing system using polygon reduction processing
A first image before deformation and a second image after deformation are input and formed into polygon models represented with a polygon mesh by a polygon model generation processing part. Polygon...
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6590575 |
Method for designing three-dimensional free-form surface and apparatus for executing the same
A method and apparatus for interactively generating data indicative of a three-dimensional free-form surface and visually displaying the surface comprising setting three-dimensional positional data...
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6580425 |
Hierarchical data structures for surface elements
In a method for representing a graphic object, rays are cast through the object. The rays originate at orthogonal planes surrounding the object. The surface of the object is sampled for shape and...
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6580428 |
Method and system for identifying peripheral elements of a complex model
The present invention relates to a method and system for determining peripheral elements, e.g., outer surfaces, of a geometrical representation of an object. The method of the invention can be...
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6580426 |
Computer graphics apparatus for processing of data defining a three-dimensional computer model to partition the three-dimensional space into a plurality of sectors
A computer graphics apparatus comprises a modelling package and a rendering package. The modelling package outputs data representative of the definition of a scene to be represented graphically....
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6580424 |
System and method for interactive room modeling from camera images
A system and method for interactively modeling a room using camera images. Images of the room are input. The floor is marked with calibration markers placed at known (x,y) locations. The user runs...
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6577305 |
Apparatus and method for performing setup operations in a 3-D graphics pipeline using unified primitive descriptors
The present invention provides post tile sorting setup in a tiled graphics pipeline architecture. In particular, the present invention determines a set of clipping points that identify...
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6574523 |
Selective control of mechanical properties in stereolithographic build style configuration
An improved process for forming photocurable three-dimensional objects using an improved curing process is disclosed. The build object is formed by using differential curing of the photocurable...
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6570562 |
Method for drawing patterned lines in a system supporting off-screen graphics
A method for rendering patterned lines in an environment that need not support rendering of patterned lines through a standard viewing mechanism, but that does support the rendering of graphical...
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6570564 |
Method and apparatus for rapid processing of scene-based programs
A system and method for rapid processing of scene-graph-based data and/or programs is disclosed. In one embodiment, the system may be configured to utilize a scene graph directly. In another...
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6571146 |
Method for updating feature recipes in a history-based solid model
A method, system, and article of manufacture for updating features. When a cross-reference (XREF) to a non-local or non-native part is encountered, a bridge node carries a reference to a base part...
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6563500 |
Progressive 3D mesh coding method and apparatus
A progressive coding method and apparatus of three-dimensional (3D) mesh data is provided. The method includes the steps of (a) constructing a 3D triangle mesh of one or more mesh object layers,...
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6563499 |
Method and apparatus for generating a 3D region from a surrounding imagery
Techniques for generating a 3D region from a surrounding imagery are disclosed. The surrounding imagery comprising a sequence of side view images taken respectively at a known position around an...
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6559841 |
Three-dimensional shape extracting method, apparatus and computer memory product
From a two-dimensional image of an object displayed on a screen, a three-dimensional shape of the object is easily extracted. A normal vector with respect to a surface of the object in a...
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6559842 |
Compressing and decompressing graphics data using gosub-type instructions and direct and indirect attribute settings
A method and instruction set for geometry compression and decompression is disclosed. The method and instruction set includes one or more of the following attributes and instructions: a gosub-type...
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6556198 |
Polyhedron generating method and apparatus thereof, and storage medium for storing the method
In a polyhedron generating method for generating a polyhedron enveloping a sequence of points present in a coordinate space, polygon data representing polygons constituting the polyhedron is...
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6552724 |
Triangle strip merging for length maximization
Triangle strip merging for length maximization of triangle strips representing a triangle mesh. In one embodiment, a computer-implemented method, for each strip, first including determining whether...
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6553337 |
Parameterization of subdivision surfaces
A method for parameterizing a subdivision mesh in a computer system, the subdivision mesh comprising at least two faces, at least two faces sharing an edge, includes assigning a unique index for...
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6549200 |
Generating an image of a three-dimensional object
An image representing a three-dimensional object is modelled as a stored set of parameters representing a model of a three-dimensional object and at least two two-dimensional images of the object,...
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6545676 |
Method and system for creating a tessellated approximation of an outer envelope of a complex model
The present invention relates to providing a system and method for obtaining a tessellated approximation of an outer envelope of a geometrical representation of an object. The method of the...
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6545678 |
Methods, systems, and computer program products for generating tissue surfaces from volumetric data thereof using boundary traces
Tomographic images, including a tissue surface, are selected from volumetric data to provide selected tomographic images, each of the selected tomographic images has a respective orientation with...
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6545675 |
Three-dimensional graphics system, processor and recording medium
Original data consisting of three-dimensional coordinate data, color, α-value and the like of a polygon, which is obtained through a geometrical operation by a geometrical operation processing...
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6532011 |
Method of creating 3-D facial models starting from face images
The method allows the creation of 3-D facial models, which can be used, for instance, for the avatar implementation, video-communication applications, video games, video productions, and for the...
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6525727 |
Rendering 3D surfaces through limit surface projections
In rendering a 3D surface, a computer obtains an initial digital data set that defines a base mesh coarsely approximating the 3D surface, where the base mesh includes vertices connected to form 2D...
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6515660 |
Apparatus and method for dynamic triangle stripping
An apparatus and method is provided for creating a neighbor mesh from a multi-resolution mesh (MRM) representation of a triangulated model. The apparatus and method include computing neighbor data...
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6516092 |
Robust sub-model shape-finder
A method is provided for efficiently finding a pattern in an image using a full curvilinear model having a plurality of sub-models. Generally, the method includes maximizing the percentage of each...
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6512995 |
Shape analysis, difference detection, and search for three-dimensional models
Through comparison of electronic shape data for parts, the invention automatically detects a difference in shapes of products due to the design change, and/or searches for a product that is similar...
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6507353 |
Influencing virtual actors in an interactive environment
The described methods are directed to influencing movement of virtual actors in an interactive theater. This interactive theater can be in the shape of a dome. A method for generating a behavior...
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6504536 |
Shape creating/displaying device
The present invention relates to a processing of a 3D shape which is constructed as polyhedron, a curved surface body, a freely forming shape, and a general complex shape body including a compound...
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6492986 |
Method for human face shape and motion estimation based on integrating optical flow and deformable models
A method and apparatus for human face shape and motion estimation based on integrating optical flow and deformable models is disclosed. The optical flow, constraint equation provides a...
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6489957 |
Three dimensional geometric modeling system with multiple concurrent geometric engines
A computer program product ( 400 ) and system executing/implementing the same provides a visual depiction of a part or assembly or scene ( 200 ) upon a display device. Upon execution, the program...
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6489959 |
Method for converting three-dimensional polygon data into quad edge data structure
A method for converting OFF (object file format) from three-dimensional polygon data into a quad edge data structure which includes a step to determine if an input triangle of object file format is...
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6486879 |
Image processing apparatus and method, and information providing medium
The invention provides an image processing apparatus and method and an information providing medium by which a three-dimensional model can be plotted accurately. A model data production section...
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6486878 |
Method for detecting incorrectly oriented lofted solids in a solid modeling system
A computer-implemented solid modeling system that detects incorrect orientations of lofted solids involving non-degenerate, degenerate, closed cases, and then ensures that the face normals of the...
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6486877 |
Method and apparatus for creating virtual environment, and record medium having recorded thereon computer readable program for creating virtual environment
A virtual environment model of an inside of a room is created from a panoramic image thereof by performing the steps of: arranging the panoramic image on a cylindrical body in a virtual space such...
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6483508 |
Information processing apparatus and method, and providing medium
The invention provides an information processing apparatus and method and a providing medium by which editing of a prototype can be performed readily. When a prototype is defined using some of...
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6483506 |
System and method for generating computer animated graphical images of a vascular structure attached to an anatomical structure
A process for generating animated graphical images of a vascular structure attached to an anatomical structure includes the steps of: generating and arranging a plurality of anatomical patches in...
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6480124 |
CAD data compressing method and apparatus thereof
A CAD data compressing method is disclosed, that comprises the steps of generating a component figure list, and generating data of a plurality of pattern groups each containing a pointer to a...
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6480193 |
Method and system for long-term archiving CAD data
A method for storing CAD data over a long term which includes the step of storing over a long term a rule which is a modification of a standard rule which can convert various types of CAD data...
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6476803 |
Object modeling system and process employing noise elimination and robust surface extraction techniques
A system and process for computer modeling of an object involving first capturing images of the object that collectively depict all the object's surfaces which are to be modeled. A series of 3D...
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6476805 |
Techniques for spatial displacement estimation and multi-resolution operations on light fields
Selective quality light field operations efficiently manipulate a multi-resolution representation of a light field. These operations include intra-image and inter-image decomposition and...
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6473081 |
Depicting hierarchically related graphical components
A mechanism for depicting a plurality of graphical components is provided. According to an aspect of the present invention, a graphical component hierarchy is displayed. A graphical component...
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6466892 |
Method of composing three-dimensional multi-viewpoints data
Based on the maximum value of distances between vertexes of polygons in a plurality of polygon meshes, the size of voxel is determined. Next, respective potential values for a plurality of polygon...
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6459824 |
Method of retrieving moving pictures using joint points based on pose information
There is disclosed a method of retrieving moving pictures using joint point based moving information for allowing an user to retrieve pictures including a desired person object or the pose of the...
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