Rough intuitionistic fuzzy C-means algorithm and a comparative analysis

Authors:
Rohan Bhargava;B. K. Tripathy;Anurag Tripathy;Rajkamal Dhull;Ekta Verma;P. Swarnalatha
Affiliations:
VIT University, Vellore, Tamil Nadu, India;VIT University, Vellore, Tamil Nadu, India;VIT University, Vellore, Tamil Nadu, India;VIT University, Vellore, Tamil Nadu, India;VIT University, Vellore, Tamil Nadu, India;VIT University, Vellore, Tamil Nadu, India
Venue:
Proceedings of the 6th ACM India Computing Convention
Year:
2013

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Abstract

Data clustering algorithms are used in many fields like anonymisation of databases, image processing, analysis of satellite images and medical data analysis. There are several C-Means clustering algorithms in the literature. Besides the hard C-Means, there are uncertainty based C-Means algorithms like the Fuzzy C-Means algorithm and its variants, the Rough C-Means algorithm, the Intuitionistic Fuzzy C- Means algorithm and the hybrid C-Means algorithms (Rough Fuzzy C-Means algorithm). In this paper we propose a new hybrid clustering algorithm called Rough Intuitionistic Fuzzy C-Means and evaluate its performance in comparison to the other algorithms mentioned above. We have applied these algorithms on numerical as well as image data of two different types and used some benchmarking indexes for the evaluation of their performance. The results show that the proposed algorithm outperforms the existing algorithms in almost all cases.