دورية أكاديمية
Fuzzy Rule–Based Approach for Detection of Bounded Weak-Echo Regions in Radar Images.
| العنوان: | Fuzzy Rule–Based Approach for Detection of Bounded Weak-Echo Regions in Radar Images. |
|---|---|
| المؤلفون: | Pal, Nikhil R., Mandal, Achintya K., Pal, Srimanta, Das, Jyotirmay, Lakshmanan, V. |
| المصدر: | Journal of Applied Meteorology & Climatology; Sep2006, Vol. 45 Issue 9, p1304-1312, 9p, 2 Diagrams, 5 Charts, 2 Graphs |
| مصطلحات موضوعية: | WEATHER forecasting, REMOTE-sensing images, RADAR meteorology, WEATHER radar networks, ACCLIMATIZATION, METEOROLOGICAL services, CLIMATOLOGY, MANAGEMENT |
| مستخلص: | A method for the detection of a bounded weak-echo region (BWER) within a storm structure that can help in the prediction of severe weather phenomena is presented. A fuzzy rule–based approach that takes care of the various uncertainties associated with a radar image containing a BWER has been adopted. The proposed technique automatically finds some interpretable (fuzzy) rules for classification of radar data related to BWER. The radar images are preprocessed to find subregions (or segments) that are suspected candidates for BWERs. Each such segment is classified into one of three possible cases: strong BWER, marginal BWER, or no BWER. In this regard, spatial properties of the data are being explored. The method has been tested on a large volume of data that are different from the training set, and the performance is found to be very satisfactory. It is also demonstrated that an interpretation of the linguistic rules extracted by the system described herein can provide important characteristics about the underlying process. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Applied Meteorology & Climatology is the property of American Meteorological Society and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| قاعدة البيانات: | Complementary Index |
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