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7612774 Mesh dividing device, computer-readable recording medium in which mesh dividing program is recoded, and method for setting maximum number of cuboids and parameters for mesh-division  
The present invention relates to a device capable of easily and reliably selecting and determining parameters such as the optimum maximum number of cuboids and the like corresponding to an...
7609893 Method and apparatus for producing classifier training images via construction and manipulation of a three-dimensional image model  
A system (400) for generating training images for a pattern recognition classifier (54) from three-dimensional image data representing an output class comprises a model constructor (404) that...
7609258 Information processing apparatus, information processing method, and program  
An information processing apparatus generating a three-dimensional map on the basis of three-dimensional map data includes rendering area acquiring means for acquiring a rendering area in which...
7605820 Creating texture data outside of a chart boundary  
Discontinuities along texture mapped seams of three-dimensional models may be reduced by creating and sampling texture data outside of chart boundaries. When a texel center is not within a chart...
7602332 Reducing scattering center data using multi-volume aggregation  
In one example, a method to reduce scattering centers (SC) includes receiving a set of SC data points associated with an object in three-dimensional space, partitioning the SC data points into a...
7598951 Multiple effect expression method and apparatus in 3-dimension graphic image  
A method and apparatus for synthesizing and expressing multiple effects and textures in a 3-dimensional graph image. The method includes: defining nodes in VRML (Virtual Reality Modeling...
7593009 Apparatus and method for reconstructing three-dimensional graphics data  
An apparatus and method for reconstructing 3D graphics data is provided. The apparatus includes a parsing unit to parse 3D graphics data, an aligning unit to align objects of a scene graph having...
7589720 Mesh editing with gradient field manipulation and user interactive tools for object merging  
User interactive methods of determining vertex correspondence between boundaries or curves on objects to be merged is provided. One method relates to projecting a boundary of one object onto a...
7589746 Optimized frustum clipping via cached clip vertices  
Apparatus, systems and methods for optimized frustum clipping via cached clip vertices are disclosed. For example, a method is disclosed, the method including generating a clip vertex for a...
7580816 Apparatus and methods for creating sketch-based eggcrate substructures for composite parts  
Apparatus and methods of creating sketch-based eggcrate substructures for manufacturing composite parts are disclosed. In one embodiment, a method of creating a design includes providing an input...
7580927 Quadtree center tile/boundary tile optimization  
A method for determining positional relationships among objects represented in a database. A plurality of tiles are defined. A distribution of objects with respect to the tiles is determined. The...
7576743 System and method for approximating an editable surface  
A system and methods are disclosed for automatically approximating an editable surface from a 3D data set or a 3D point set, which may be imaged in the form of a NURBS surface.
7573474 Systems and methods for optimizing geometric stretch of a parametrization scheme  
Systems and methods are provided for optimizing the geometric stretch of a parametrization scheme. Given an arbitrary mesh, the systems and methods construct a progressive mesh (PM) such that all...
7570804 Apparatus and method for determining stereo disparity based on two-path dynamic programming and GGCP  
Provided is an apparatus and method for determining stereo disparity based on two-path dynamic programming and GGCP. The apparatus includes a pre-processing unit for analyzing texture distribution...
7567246 Image processing apparatus, image processing method, and image processing program  
This invention provides an apparatus and the like, which render an object from a predetermined view direction by a method using microfacet billboarding using 2D images obtained by photographing an...
7567205 Dynamic ray traversing  
In one aspect, a method to generate radar signatures for multiple objects in motion, includes performing a shooting and bouncing (SBR) technique to solve for physical optics and multi-bounce...
7567247 Method and system for disjoint and smooth interpolation of scalar field on subdivision surface  
Method and system for determining a scalar field on a subdivision surface. The method includes providing a surface mesh including an edge. The edge connects a plurality of vertices, and is...
7567258 Hardware-accelerated anti-aliased vector graphics  
In order to render a primitive, the primitive is subdivided into trapezoids and triangles. The subdivision occurs using scanline-aligned lines. These simple scanline-aligned regions are further...
7561156 Adaptive quadtree-based scalable surface rendering  
A 3D scalable surface renderer allows efficient real-time 3D rendering of high-detail smooth surfaces. The renderer is exceptionally effective with software rendering and low-end weaker graphics...
7551177 Methods and apparatus for retrieving and combining samples of graphics information  
Disclosed are methods and apparatus for accomplishing the fetching or sampling of channels of pixels or texels such as neighboring pixels or texels or non-neighboring pixels or texels in a...
7542049 Hardware accelerated anti-aliased primitives using alpha gradients  
Systems and methods are provided for providing anti-aliasing by introducing a falloff area around a graphics object to be rendered. The falloff area is shaded, using Gouraud shading or texture...
7538764 System and method to obtain surface structures of multi-dimensional objects, and to represent those surface structures for animation, transmission and display  
Four related but independent aspects are described: (1) a method and a system to derive mesh surface descriptions (also called connectivity-wireframes) and material properties from objects...
7539606 System and method for efficiently simulating and imaging realistic water surface and other effects  
Water surface and other effects are efficiently simulated to provide real time or near real time imaging on low-capacity computer graphics computation platforms. Water and other surfaces are...
7532212 Techniques for rendering complex scenes  
Techniques that facilitate rendering of a scene of arbitrary complexity without having to load all the models involved in the scene simultaneously in computer memory. A representation of the...
7528832 Method, apparatus and computer program product enabling a dynamic global parameterization of triangle meshes over polygonal domain meshes  
A method, a data storage medium storing a computer program, and a data processing system are disclosed to process data comprised of a triangulated mesh representation of an object. The method...
7528839 Faster clears for three-dimensional modeling applications  
A graphics processing subsystem defines a bounding area as the portion of the display buffer and other memory buffers occupied by one or more rendered objects. When clearing the memory buffers,...
7509241 Method and apparatus for automatically generating a site model  
A method and apparatus for automatically combining aerial images and oblique images to form a three-dimensional (3D) site model. The apparatus or method is supplied with aerial and oblique...
7502024 Texture based circular arc generation  
High fidelity arcs are produced using a set of interconnected trapezoids, which are transmitted in a highly efficient triangle mesh to a graphics rendering device. Perspective correction...
7502030 System and method for resampling texture maps  
A system for resampling texture maps in accordance with an exemplary embodiment of the present invention comprises memory and a texture map manager. The stores a first texture map defining a first...
7495663 System and method for computing a continuous local neighborhood and paramaterization  
The present invention relates to a system for interactively moving a hit point within a current triangle of the model, where the hit point defines a location of a brush stamp relative to the...
7483029 GPU having raster components configured for using nested boustrophedonic patterns to traverse screen areas  
In one embodiment, the present invention is implemented as a GPU configured for traversing pixels of an area. The GPU includes a set-up unit for generating polygon descriptions and a rasterizer...
7471816 Virtual resolution enhancement in diagnostic imaging using FEA  
A method is described for achieving resolutions beyond the resolution of a diagnostic imaging using multilevel computational analysis. This is accomplished by coupling the diagnostic image with...
7463258 Extraction and rendering techniques for digital charting database  
Disclosed is a method for extracting and rendering data from digital charting databases. The software method integrates and combines bathymetric/topographic data from several sources into a stream...
7463262 Image processing apparatus and method  
A plurality of position data are input, which indicate the position of an observation target defined in a three-dimensional space, on its three-dimensional image, which is viewed from a...
7453459 Composite rendering 3-D graphical objects  
Methods and apparatus for 3-D image compositing. The compositing system can be used to render 3-D objects together to a scene, to combine together separately rendered 3-D objects in a scene...
7450118 Method for displaying three-dimensional polygon on screen  
Three-dimensional models with three-dimensional coordinates for a certain area to be displayed on the screen based on coordinates of a reference position are received. The received...
7443393 Method, system, and program product for re-meshing of a three-dimensional input model using progressive implicit approximating levels  
A method, system and program product for re-meshing of a three-dimensional (3D)input model using progressive implicit approximating levels are provided. Specifically, an initial quadrilateral mesh...
7439971 Mesh generation method for numerical simulation  
A mesh generating method for numerical simulation of one (1) piece of an analysis target, in a short time period, where there are plural numbers of high-density configuration data, each presenting...
7439983 Method and apparatus for de-indexing geometry  
A pixel shader is operated to perform a first texture lookup in an index buffer to obtain a vertex index value for a geometric primitive to be displayed. The pixel shader is also operated to...
7436405 Terrain rendering using nested regular grids  
Plural levels of detail of a terrain are stored in memory in regular grids. In one such example, a terrain is cached in a set of nested regular grids obtained from the plural levels as a function...
7425952 Three-dimensional visualization architecture  
A virtual terrain architecture and computer program product for employing a geocentric coordinate system, using a tessellated three-dimensional shape for representing a celestial body, and mapping...
7426292 Method for determining optimal viewpoints for 3D face modeling and face recognition  
A method determines an optimal set of viewpoints to acquire a 3D shape of a face. A view-sphere is tessellated with a plurality of viewpoint cells. The face is at an approximate center of the...
7423644 Method and apparatus for dual pass adaptive tessellation  
A method and apparatus for dual pass adaptive tessellation includes a vertex grouper tessellator operably coupled to receive primitive information and an index list and a shader processing unit...
7423643 Method and system for tesselating a polygon  
A method and system for tessellating a polygon is provided, in which a polygon is divided into bands, each band being bounded by a pair of chains. Each chain is made up of one or more line...
7423641 Computer graphics systems and methods generating smooth feature lines for subdivision surfaces  
Computer graphics systems and methods are provided for generating a representation of a feature in a surface defined by a mesh representation, the mesh comprising at a selected level a plurality...
7417634 Three dimensional display  
The invention provides an improved means for displaying computer generated hologram (CGH). Images appearing in the image volume are realised as a set of planar facets that approximate to the shape...
7408548 Triangulating procedural geometric objects  
A complex procedural surface can be expressed based on some constructive solid geometry operations performed on primitive procedural surfaces. The domain based representation of the complex...
7408553 Inside testing for paths  
Systems and methods for identifying pixels that are inside a two-dimensional path may be used to fill the path. The path is segmented and a point in space is identified that is used to generate a...
7400324 Computer graphics systems and methods for encoding subdivision triangular surfaces  
A system is described for generating a plurality of identifiers, each associated with one of a like plurality of subdivision surfaces of a surface element, and for generating, using an identifier...
7400325 Culling before setup in viewport and culling unit  
The VPC unit and setup unit of a graphics processing subsystem perform culling operations. The VPC unit performs culling operations on geometric primitives falling within a specific criteria, such...