Multiresolution visualization of digital earth data via hexagonal box-spline wavelets

  • Mohammad Imrul Jubair
  • , Usman Alim
  • , Niklas Roeber
  • , John Clyne
  • , Ali Mahdavi-Amiri
  • , Faramarz Samavati

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Multiresolution analysis is an important tool for exploring large-scale data sets. Such analysis provides facilities to visualize data at different levels of detail while providing the advantages of efficient data compression and transmission. In this work, an approach is presented to apply multiresolution analysis to digital Earth data where each resolution describes data at a specific level of detail. Geospatial data at a fine level is taken as the input and a hierarchy of approximation and detail coefficients is built by applying a hexagonal discrete wavelet transform. Multiresolution filters are designed for hexagonal cells based on the three directional linear box spline which is natively supported by modern GPUs.

Original languageEnglish
Title of host publication2015 IEEE Scientific Visualization Conference, SciVis 2015 - Proceedings
EditorsJames Ahrens, Huamin Qu, Jos Roerdink
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages151-152
Number of pages2
ISBN (Electronic)9781467397858
DOIs
StatePublished - Mar 8 2016
EventIEEE Scientific Visualization Conference, SciVis 2015 - Chicago, United States
Duration: Oct 25 2015Oct 30 2015

Publication series

Name2015 IEEE Scientific Visualization Conference, SciVis 2015 - Proceedings

Conference

ConferenceIEEE Scientific Visualization Conference, SciVis 2015
Country/TerritoryUnited States
CityChicago
Period10/25/1510/30/15

Keywords

  • Multiresolution analysis
  • digital earth data
  • hexagonal grid
  • linear box-spline

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