کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10369766 | 875577 | 2005 | 27 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Kriging filters for multidimensional signal processing
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی کامپیوتر
پردازش سیگنال
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The Wiener filter is the well-known solution for linear minimum mean square error (LMMSE) signal estimation. This filter assumes the mean to be known and usually constant. On the other hand, the Kriging filter is an incremental theory, developed within the Geostatistical community, with respect to that of Wiener filters. The extension relies on adopting a parametric model for the mean (usually a polynomial). The goal of this paper is twofold. First, it is intended as a comprehensive treatment of the Kriging approach from a signal processing perspective, with previous uses of Kriging in signal processing being extended. Second, we are deriving a general methodology for FIR filter design, including any situation where an optimal FIR estimator from possibly incomplete and/or noisy data is needed. A proof of concept on a theoretical covariance model and selected examples on interpolation, approximation and filtering on real-world images illustrate the performance of the method.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Signal Processing - Volume 85, Issue 2, February 2005, Pages 413-439
Journal: Signal Processing - Volume 85, Issue 2, February 2005, Pages 413-439
نویسندگان
J. Ruiz-Alzola, C. Alberola-López, C.-F. Westin,