Daniel F Hajnik

US Patent 11170575 Comfortable navigation in large-scale virtual worlds when constrained by small-scale physical environment

US Patent 11182945 Automatically generating an animatable object from various types of user input

US Patent 11182951 3D object modeling using scale parameters and estimated distance

US Patent 11189075 Query-specific behavioral modification of tree traversal

US Patent 11189089 Dynamic building extrusion in electronic maps

US Patent 7643026 NURBS surface deformation apparatus and the method using 3D target curve

US Patent 7733338 Reduction of a mesh with preservation of flow lines

US Patent 7733339 System and method for partitioning CAD models of parts into simpler sub-parts for analysis of physical characteristics of the parts

US Patent 7733340 Systems and methods for using a single tool for the creation and modification of solids and surfaces

US Patent 7733343 Virtual shadow for physical object placed on surface

US Patent 7733345 Method and apparatus for encoding and decoding position interpolator

US Patent 7737969 System and program product for re-meshing of a three-dimensional input model using progressive implicit approximating levels

US Patent 7737971 Image drawing device, vertex selecting method, vertex selecting program, and integrated circuit

US Patent 7737973 Determining appearance of points in point cloud based on normal vectors of points

US Patent 7737974 Reallocation of spatial index traversal between processing elements in response to changes in ray tracing graphics workload

US Patent 7737976 Method and system for displaying stereoscopic detail-in-context presentations

US Patent 7737996 Techniques for automated animation

US Patent 7737997 Collision detection of concave bodies using art gallery problem and cube maps

US Patent 7750902 Geospatial modeling system providing non-linear inpainting for voids in geospatial model cultural feature data and related methods

US Patent 7750905 Method for constructing a triangular mesh surface of a point cloud

US Patent 7755626 Cone-culled soft shadows

US Patent 7796131 Method of virtual endoscopy for medical 3D image display and processing, computed tomograph, workstation and computer program product

US Patent 7804498 Visualization and storage algorithms associated with processing point cloud data

US Patent 7812837 Reduced Z-buffer generating method, hidden surface removal method and occlusion culling method

US Patent 7830377 Systems and methods for using a single tool for the creation and modification of solids and surfaces

US Patent 7834872 Tiling system for 3D rendered graphics

US Patent 7839401 Management of enterprise systems and applications using three-dimensional visualization technology

US Patent 7839405 Apparatus, method, and program for projection of 3D spatial image into planar images using visual points

US Patent 7852345 Storage and support for large amounts of constant data in a graphics library

US Patent 7859532 Generating character images based upon display conditions

US Patent 7859538 Converting deformation data for a mesh to animation data for a skeleton, skinning and shading in a runtime computer graphics animation engine

US Patent 7864173 Systems and methods for creating virtual objects in a sketch mode in a haptic virtual reality environment

US Patent 7868889 Method of causing object to take motion using motion data

US Patent 7880738 Structured documents and systems, methods and computer programs for creating, producing and displaying three dimensional objects and other related information in those structured documents

US Patent 7884819 Pixel color accumulation in a ray tracing image processing system

US Patent 7884823 Three dimensional rendering of display information using viewer eye coordinates

US Patent 7884826 Maintaining the groom

US Patent 7889192 Mobile equipment with three dimensional display function

US Patent 7893936 Generating efficient spatial indexes for predictably dynamic objects

US Patent 7928980 Method for visualizing data clouds using color and opacity blending

US Patent 7928993 Real-time multi-resolution 3D collision detection using cube-maps

US Patent 7940259 System and method for interactive 3D air regions

US Patent 7940265 Multiple spacial indexes for dynamic scene management in graphics rendering

US Patent 7940266 Dynamic reallocation of processing cores for balanced ray tracing graphics workload

US Patent 7940268 Real-time rendering of light-scattering media

US Patent 7940269 Real-time rendering of light-scattering media

US Patent 7948487 Occlusion culling method and rendering processing apparatus

US Patent RE42406 Multi-resolution geometry

US Patent 7961186 Brick-based fusion renderer

US Patent 7965289 Apparatus, system, and method for rendering objects with position and orientation computed on a graphics processing unit

US Patent 7973788 Graphical method for navigating in a database of modeled objects

US Patent 7982746 Simplification of alpha compositing in the presence of transfer functions

US Patent 7986328 Graphics optimization system and method

US Patent 7990384 Audio-visual selection process for the synthesis of photo-realistic talking-head animations

US Patent 7995055 Classifying objects in a scene

US Patent 8004518 Combined spatial index for static and dynamic objects within a three-dimensional scene

US Patent 8004522 Using coverage information in computer graphics

US Patent 8004538 Preferential tone scale for electronic displays