Relational interpretations of neighborhood operators and rough set approximation operators
Information Sciences—Informatics and Computer Science: An International Journal
A comparative study of some generalized rough approximations
Fundamenta Informaticae
A Generalized Definition of Rough Approximations Based on Similarity
IEEE Transactions on Knowledge and Data Engineering
Morphological Image Analysis: Principles and Applications
Morphological Image Analysis: Principles and Applications
Reduction and axiomization of covering generalized rough sets
Information Sciences: an International Journal
Image Analysis and Mathematical Morphology
Image Analysis and Mathematical Morphology
On Three Types of Covering-Based Rough Sets
IEEE Transactions on Knowledge and Data Engineering
Relationship between generalized rough sets based on binary relation and covering
Information Sciences: an International Journal
On axiomatic characterizations of three pairs of covering based approximation operators
Information Sciences: an International Journal
Relationships between covering-based rough sets and relation-based rough sets
Information Sciences: an International Journal
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Both rough set theory and mathematical morphology originated from the classical set theory, and are characterized by using dual operators sharing similar properties. In this paper, a notion of morphological covering rough set is introduced by means of combining rough set with fundamental morphological operators. The focus of this paper is on constructing a covering and a pair of morphological rough approximation operators. The issue on reduction of a morphological covering is explored and the procedure for generating the reduction is presented. Necessary and sufficient conditions on characterization of the reduction are proved.