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Experiments in multiresolution modeling (MRM)

Author: Paul K Davis; J H Bigelow; United States. Defense Advanced Research Projects Agency.; National Defense Research Institute (U.S.)
Publisher: Santa Monica, CA : RAND, 1998.
Edition/Format:   Print book : EnglishView all editions and formats
Database:WorldCat
Summary:
This study describes the motivation for multiresolution modeling (MRM) within a single model or a family of models. After introducing a new measure of consistency for models of different resolution, the study discusses in some depth obstacles to and methods for multiresolution modeling (also called variable-resolution modeling), illustrating issues with a detailed military example involving precision fires. The  Read more...
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Details

Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Paul K Davis; J H Bigelow; United States. Defense Advanced Research Projects Agency.; National Defense Research Institute (U.S.)
ISBN: 0833026534 9780833026538
OCLC Number: 39633571
Notes: "Prepared for the Defense Advanced Research Project Agency by RAND's National Defense Research Institute."
Description: xvii, 69 pages : illustrations ; 28 cm
Other Titles: Multiresolution modeling (MRM)
Responsibility: Paul K. Davis, James H. Bigelow.

Abstract:

This study describes the motivation for multiresolution modeling (MRM) within a single model or a family of models. After introducing a new measure of consistency for models of different resolution, the study discusses in some depth obstacles to and methods for multiresolution modeling (also called variable-resolution modeling), illustrating issues with a detailed military example involving precision fires. The study highlights the value of visual design, array formalism, formal mathematics to identify natural aggregation fragments, integrated hierarchical variable resolution (IHVR) yielding "trees" of variables, estimation theory, alternative aggregate representations called out in a user interface, "stretcher variables," and computational methods to identify natural phase transitions and facilitate calibrations. The study recommends that major Department of Defense models such as JWARS emphasize MRM and related research on family-of-models issues. It notes that MRM is not an all-or-nothing matter and that incorporating even some multiresolution features can be quite useful. Finally, the study notes that MRM is a frontier issue and suggests directions for further research.

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