Bayesian fuzzy kriging
نویسندگان
چکیده
The paper contains a combination of two approaches generalising the usual kriging technique for prediction in elds: the Bayesian approach incorporating prior knowledge on the eld and the fuzzy set approach re ecting uncertainty w.r.t. observation impreciseness and speci cation vagueness. The presentation includes a numerical example. c © 2000 Elsevier Science B.V. All rights reserved.
منابع مشابه
Characterizing Lithofacies from Geophysical Data Using the Bayesian Model coupled with a Fuzzy Neural Network
A Bayesian model coupled with a fuzzy neural network (BFNN) is developed to alleviate the difficulty of using geophysical data in lithology estimation when cross correlation between lithology and geophysical attributes is nonlinear. The prior estimate is inferred from borehole lithology measurements using indicator kriging based on spatial correlation, and the posterior estimate is obtained fro...
متن کاملImpact of Directional Variograms in Fuzzy Type - II Punctual Kriging based Image Restoration
In this paper, we perform an experimental study to investigate directional variograms in punctual kriging and consequently its effect on image restoration. We employ punctual kriging in conjunction with fuzzy logic typeII and fuzzy smoothing based approaches to remove white Gaussian noise from corrupted images. Images degraded with Gaussian white noise are restored by first utilizing fuzzy logi...
متن کاملFuzzy Approach to Ecological Data Analysis
The paper focuses on the fuzzy extensions of two data analysis methods, namely the fuzzy cluster analysis and the fuzzy interpolation of spatial data (the so-called fuzzy kriging) and their suitability for ecological applications. Both extensions utilize exact (crisp) measurement data as well as imprecise data defined as fuzzy numbers or fuzzy vectors. Fuzzy clustering of fuzzy data (conical fu...
متن کاملBayesian Melding of Deterministic Models and Kriging for Analysis of Spatially Dependent Data
The link between geographic information systems and decision making approach own the invention and development of spatial data melding method. These methods combine different data sets, to achieve better results. In this paper, the Bayesian melding method for combining the measurements and outputs of deterministic models and kriging are considered. Then the ozone data in Tehran city are analyze...
متن کاملFuzzy logic approach to data analysis and ecological modelling
The paper focuses on two large application areas of the Fuzzy Set Theory in ecological research, namely data analysis (in particular fuzzy cluster analysis and fuzzy kriging) and ecological modelling. Environmental data or classes of ecological objects can be defined as fuzzy sets with not sharply defined boundaries, that reflects better the continuous character of nature. Fuzzy sets are used t...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Fuzzy Sets and Systems
دوره 112 شماره
صفحات -
تاریخ انتشار 2000