An Evaluation Of An Automatic Cell Detection And Tracking Algorithm
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An Evaluation Of An Automatic Cell Detection And Tracking Algorithm
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Author : James G. Wieler
language : en
Publisher:
Release Date : 1982
An Evaluation Of An Automatic Cell Detection And Tracking Algorithm written by James G. Wieler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Algorithms categories.
A storm tracking algorithm designed to detect and track fine structure in digitized radar data is evaluated. These fine structures are defined by regions containing values within 3 dB of peaks in reflectivity factor. The algorithm describes storm structure and evolution by correlating these peak regions in time and space. The evaluation consists of a comparison of the algorithm output with raw data and with output from an AFGL algorithm which detects and tracks three-dimensional reflectivity weighted centroids defined by a preselected threshold. It is concluded that the algorithm cannot reliably detect and track significant structures within storms when applied to data sets with a temporal resolution of aprox. 6 min and a spatial resolution of 1.0 deg in azimuth and 0.7 deg in elevation. The significance of tracking 3 dB peaks is questioned and the implication of defining a larger peak threshold is discussed. The algorithm does track the large features of storms with results similar to the AFGL algorithm. However, it does not run in real time and is not modular, unlike the AFGL algorithm.
An Evaluation Of An Automatic Cell Detection And Tracking Algorithm
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Author : James G. Wieler
language : en
Publisher:
Release Date : 1982
An Evaluation Of An Automatic Cell Detection And Tracking Algorithm written by James G. Wieler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
A storm tracking algorithm designed to detect and track fine structure in digitized radar data is evaluated. These fine structures are defined by regions containing values within 3 dB of peaks in reflectivity factor. The algorithm describes storm structure and evolution by correlating these peak regions in time and space. The evaluation consists of a comparison of the algorithm output with raw data and with output from an AFGL algorithm which detects and tracks three-dimensional reflectivity weighted centroids defined by a preselected threshold. It is concluded that the algorithm cannot reliably detect and track significant structures within storms when applied to data sets with a temporal resolution of aprox. 6 min and a spatial resolution of 1.0 deg in azimuth and 0.7 deg in elevation. The significance of tracking 3 dB peaks is questioned and the implication of defining a larger peak threshold is discussed. The algorithm does track the large features of storms with results similar to the AFGL algorithm. However, it does not run in real time and is not modular, unlike the AFGL algorithm. (Author).
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995-05
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-05 with Aeronautics categories.
Accessions List
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Author : Environmental Science Information Center. Library and Information Services Division
language : en
Publisher:
Release Date : 1984
Accessions List written by Environmental Science Information Center. Library and Information Services Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Ecology categories.
The Lincoln Laboratory Journal
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Author :
language : en
Publisher:
Release Date : 1994
The Lincoln Laboratory Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Electronics categories.
Meteorological And Geoastrophysical Abstracts
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Author :
language : en
Publisher:
Release Date : 1984
Meteorological And Geoastrophysical Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Astrophysics categories.
Accessions List
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Author : Assessment and Information Services Center (U.S.). Library and Information Services Division
language : en
Publisher:
Release Date : 1983
Accessions List written by Assessment and Information Services Center (U.S.). Library and Information Services Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Earth sciences categories.
Accessions List
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Author : United States. National Environmental Satellite, Data, and Information Service. Library and Information Services Division
language : en
Publisher:
Release Date : 1983
Accessions List written by United States. National Environmental Satellite, Data, and Information Service. Library and Information Services Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
The Impact Of Weather On Aviation Safety
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Author : United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight
language : en
Publisher:
Release Date : 1984
The Impact Of Weather On Aviation Safety written by United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Oversight and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Aeronautics categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1983-10
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-10 with Science categories.