期刊
APPLIED SOFT COMPUTING
卷 77, 期 -, 页码 734-749出版社
ELSEVIER
DOI: 10.1016/j.asoc.2019.01.031
关键词
Three-way decision; Hybrid information system with images; Decision-theoretic rough set; Gaussian kernel; Inclusion degree; Medical diagnosis
资金
- High Level Innovation Team Program from Guangxi Higher Education Institutions of China [[2018] 35]
- Natural Science Foundation of Guangxi, China [2018GXNSFDA294003, 2018GXNSFDA281028, 2018GXNS-FAA294134]
- Key Laboratory of Software Engineering in Guangxi University for Nationalities [2018-18XJSY-03]
- Engineering Project of Undergraduate Teaching Reform of Higher Education in Guangxi, China [2017JGA179]
An information system as a database that expresses relationships between objects and attributes is an important mathematical model in the field of artificial intelligence. A hybrid information system with images is an information system which exists many kinds of data (e.g., boolean, categorical, real-valued, set-valued, interval-valued, images and missing data). This paper proposes a three-way decision method based on Gaussian kernel in a hybrid information system with images and gives an application in medical diagnosis. The distance between two objects based on the conditional attribute set in a hybrid information system with images is first given. Then, the fuzzy T-cos-equivalence relation, induced by a hybrid information system with images by using Gaussian kernel, is obtained. Next, the decision-theoretic rough set model for a hybrid information system with images is introduced by means of the inclusion measure between two fuzzy sets. Moreover, a three-way decision method is proposed by using this decision-theoretic rough set model. Finally, to illustrate the feasibility of the proposed method, an application of the proposed method is given by an example of medical diagnosis. Published by Elsevier B.V.
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