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电信和无线电工程
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v58.i1-2.90
14 pages

Modified Vector Sigma-Filter for the Processing of Multichannel Radar Images and Increasing Reliability of its Interpretation

A. A. Zelensky
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov; and National Aerospace University (Kharkov Aviation Institute), 17, Chkalov St.., Kharkov, Ukraine
G. P. Kulemin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085
A. A. Kurekin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine
O. V. Tsymbal
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

ABSTRACT

A modified vector sigma-filter (MVSF) is presented designed for the processing of multichannel radar images. Based on the standard filtration quality-estimation criteria it is shown that the modification ensures a compromise between the basic properties of the filter. Having a sufficient stability as to disturbances, the MVSF allows substantially suppressing the multiplicative noise and ensuring the preservation of boundaries and of small-sized objects even at relative feeble contrasts. On the test images it is shown that, when evaluating the erodibility of a soil without vegetation, the use of the MVSF (instead of its scalar analog and original image classification) leads to the increase of the accuracy of remote-sensing data classification.


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