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Approaching hedge algebras

Xem 1-7 trên 7 kết quả Approaching hedge algebras
  • The thesis aims to study the problems of image processing under the approach of HA theory. Building a gray level transformation function in S form to enhance the contrast for color images to apply HA. New homogeneity with hedge algebra applies to enhance contrast for color images. Building a photo fading transformation that applies to multi-channel images does not lose image detail.

    pdf31p xacxuoc4321 09-07-2019 15 2   Download

  • This paper presents methods of formulating the semantic 4-tuple approach basing on Hedge algebra used in case assessment scale which is a subset of the term set of lengths less than a given number k.

    pdf14p binhminhmuatrenngondoithonggio 09-06-2017 38 2   Download

  • This paper presents the solution to problems of fuzzy ranking Vietnamese documents using approach of Hedge Algebra based on envaluating an accordance of found documents by heuristic criteria. These criteria firstly are evaluated by degree of importance (weight) and then are combined following some aggregation operator to define final evaluation unique number, that will be used for sorting the documents. The experimental results are presented to show the effectiveness of the proposed solution.

    pdf10p binhminhmuatrenngondoithonggio 09-06-2017 37 2   Download

  • In this paper, we propose a new approach to overcome the limitations of the approach that is based on hedge algebra structure for building fuzzy object-oriented databases model. Some operators fuzzy object-oriented relation algebra are proposed corresponding with the model. Finally,we propose a method of fuzzy object-oriented query processing flexibly.

    pdf13p binhminhmuatrenngondoithonggio 09-06-2017 40 3   Download

  • This paper proposes a method for mining fuzzy association rules using compressed database. We also use the approach of Hedge Algebra (HA) to build the membership function for attributes instead of using the normal way of fuzzy set theory. This approach allows us to explore fuzzy association rules through a relatively simple algorithm which is faster in terms of time, but it still brings association rules which are as good as the classical algorithms for mining association rules.

    pdf12p dieutringuyen 07-06-2017 41 3   Download

  • The fuzzy rule based classification system (FRBCS) design methods, whose fuzzy rules are in the form of if-then sentences, have been under intensive study during last years. The fuzzy rule based classification system (FRBThis paper presents an approach to tackle the high-dimensional dataset problem for the hedge algebras based classification method proposed in by utilizing the feature selection algorithm proposed inS) design methods, whose fuzzy rules are in the form of if-then sentences, have been under intensive study during last years.

    pdf14p dieutringuyen 07-06-2017 48 1   Download

  • In this paper, we describe a hedge algebras based approach to modelling uncertainty in fuzzy object-oriented databases. Membership value reflects the degree of fuzziness existing in the data values and uncertainty is extended to the class definition level and is the basis for the determination of the membership of an object in a class.

    pdf13p dieutringuyen 07-06-2017 52 2   Download

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