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Author: James G. Wieler
Publisher:
ISBN:
Category : Algorithms
Languages : en
Pages : 56
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Book Description
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: James G. Wieler
Publisher:
ISBN:
Category : Algorithms
Languages : en
Pages : 56
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Book Description
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:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Book Description
Author: United States. National Environmental Satellite, Data, and Information Service. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 606
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Book Description
Author: Rangaraj M. Rangayyan
Publisher: CRC Press
ISBN: 0203492544
Category : Medical
Languages : en
Pages : 1312
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Book Description
Computers have become an integral part of medical imaging systems and are used for everything from data acquisition and image generation to image display and analysis. As the scope and complexity of imaging technology steadily increase, more advanced techniques are required to solve the emerging challenges. Biomedical Image Analysis demonstr
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 16
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Author:
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ISBN:
Category : Electronics
Languages : en
Pages : 556
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Author: Assessment and Information Services Center (U.S.). Library and Information Services Division
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 606
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Author: Vaclav Hlavac
Publisher: Springer Science & Business Media
ISBN: 9783540602682
Category : Science
Languages : en
Pages : 984
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Book Description
This book presents the proceedings of the Sixth International Conference on Computer Analysis of Images and Patterns, CAIP '95, held in Prague, Czech Republic in September 1995. The volume presents 61 full papers and 75 posters selected from a total of 262 submissions and thus gives a comprehensive view on the state-of-the-art in computer analysis of images and patterns, research, design, and advanced applications. The papers are organized in sections on invariants, segmentation and grouping, optical flow, model recovery and parameter estimation, low level vision, motion detection, structure and matching, active vision and shading, human face recognition, calibration, contour, and sessions on applications in diverse areas.
Author: Aurelio Campilho
Publisher: Springer
ISBN: 364213775X
Category : Computers
Languages : en
Pages : 465
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Book Description
This book constitutes the thoroughly refereed proceedings of the 7th International Conference, ICIAR 2010, held in Póvoa de Varzin, Portugal in June 2010. The 88 revised full papers were selected from 164 submissions. The papers are organized in topical sections on Image Morphology, Enhancement and Restoration, Image Segmentation, Featue Extraction and Pattern Recognition, Computer Vision, Shape, Texture and Motion Analysis, Coding, Indexing, and Retrieval, Face Detection and Recognition, Biomedical Image Analysis, Biometrics and Applications.
Author:
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ISBN:
Category : Medicine
Languages : en
Pages :
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