'Kd tree' presentation slideshows

Indexing Multidimensional Feature Spaces

1.01k views • 81 slides

Interactive Ray Tracing of Point-based Models

774 views • 57 slides

Spatial Databases - Indexing

734 views • 52 slides

Gaussian KD-Tree for Fast High-Dimensional Filtering

Gaussian KD-Tree for Fast High-Dimensional Filtering. A. Adams, N. Gelfand , J. Dolson , and M. Levoy , Stanford University, SIGGRAPH 2009. Edge-Preserving Filtering. Noise Suppression . Detail Enhancement . High Dynamic Range Imaging .

742 views • 48 slides

Anti-aliased and accelerated ray tracing

682 views • 47 slides

Iterated Snap Rounding

Iterated Snap Rounding. Mark Waitser Computational Geometry Seminar December 19 2001. Agenda. Introduction ISR Algorithm Example of ISR ISR Details ISR Complexity Analysis ISR Data Structure Examples of SR & ISR Conclusion. Introduction.

514 views • 42 slides

Nearest Neighbor POINT LOCATION Using KDTree on GPU

By Shawn Brown. Nearest Neighbor POINT LOCATION Using KDTree on GPU. Terrain Visualization: Want to compare results of 2 different surface generation methods against baseline for error Baseline (C) contains ~100 million terrain points Method A & B each generate ~100 million points

551 views • 37 slides

Tree-Growing Sample-Based Motion Planning

Tree-Growing Sample-Based Motion Planning. Probabilistic Roadmaps. What if only a small portion of the space needs to be explored?. What if omnidirectional motion in C-space is not permitted?. Tree-growing planners.

520 views • 36 slides

Shilpa Venkataramana Scientific Visualization-Fall 07 Kent State Univ

Interactive Iso-Surface Ray Tracing Of Massive Volumetric Data Sets Jean M.Frave,Luis Paulo dos Santosand Dirk Reiners. Shilpa Venkataramana Scientific Visualization-Fall 07 Kent State Univ. Abstract.

496 views • 36 slides

Realtime Caustics using Distributed Photon Mapping

553 views • 36 slides

Chapter 2: Spatial Databases

Chapter 2: Spatial Databases. OOPSLA Lab Dept of Computer Engineering Seoul National Univ. Hyoung-Joo Kim. Introduction. Many applications(e.g., CAD, GIS) operate on spatial data , which include points, lines, polygons and so on

413 views • 32 slides

Managing Your Objects

Managing Your Objects. Paul Taylor 2009 Assignment Due Fri 5/6/2009. What is an Object. A Bunch of Polygons (or one), or a Sprite Each Object can have: A Translation A Rotation A Scale A Shear (not super common). Our Test Objects. A Sweet Car!. The Simplest Representation.

392 views • 31 slides

Streaming v. Multicore in Graphics Applications Jared Hoberock Victor Lu Sanjay Patel John C. Hart

Streaming v. Multicore in Graphics Applications Jared Hoberock Victor Lu Sanjay Patel John C. Hart Univ. of Illinois. Dynamic Virtual Environments. World of Warcraft Social Internet World Completely Unconstrained (can build & share things) Lower Quality Graphics. Grand Theft Auto IV

400 views • 28 slides

Ray Tracing Animated Scenes using Motion Decomposition

448 views • 27 slides

Geometrische Datenstrukturen

361 views • 27 slides

Orthogonal Range Searching

Orthogonal Range Searching. Reading: Chapter 5 of the Textbook Driving Applications Querying a Database Related Application Crystal Structure Determination. Interprete DB Queries Geometrically. Transform records in database into points in multi-dimensional space.

340 views • 24 slides

Searching in High-Dimensional Spaces

375 views • 22 slides

Orthogonal Range Search

344 views • 21 slides

Spatial Databases - Quiz

Spatial Databases - Quiz. Spring, 2007 Ki-Joune Li. Quiz-Quadtree. For a quatree T and a polygon P , p is the perimeter (in pixel width) of P , and T has 2 n x2 n pixels. Then What is the least upper bound on the number of nodes in T ? Describe it in big-O notation.

356 views • 17 slides

Building Recognition

Building Recognition. Landry Huet Sung Hee Park DW Wheeler. Problem Statement. Identify Stanford buildings from photos 16 buildings Database of 300 pictures Fast enough to implement real time system. SIFT descriptor. Img #. Bldg. color histogram. Image database. Feature database.

143 views • 6 slides