Fuzzy clustering approach for star-structured multi-type relational data

2011 ◽  
Author(s):  
Jian-Ping Mei ◽  
Lihui Chen
Keyword(s):  
Fuzzy Clustering ◽  
Relational Data ◽  
Clustering Approach

Entropy-Regularized Fuzzy Clustering for Non-Euclidean Relational Data and Indefinite Kernel Data

2012 ◽  
Vol 16 (7) ◽  
pp. 784-792 ◽  
Author(s):  
Yuchi Kanzawa ◽  
Keyword(s):  
Fuzzy Clustering ◽  
Numerical Experiments ◽  
Standard Approach ◽  
Relational Data ◽  
Data Types ◽  
Indefinite Kernel ◽  
Clustering Approach ◽  
Theoretical Results

In this paper, an entropy-regularized fuzzy clustering approach for non-Euclidean relational data and indefinite kernel data is developed that has not previously been discussed. It is important because relational data and kernel data are not always Euclidean and positive semi-definite, respectively. It is theoretically determined that an entropy-regularized approach for both non-Euclidean relational data and indefinite kernel data can be applied without using a β-spread transformation, and that two other options make the clustering results crisp for both data types. These results are in contrast to those from the standard approach. Numerical experiments are employed to verify the theoretical results, and the clustering accuracy of three entropy-regularized approaches for non-Euclidean relational data, and three for indefinite kernel data, is compared.

scholarly journals An Unsupervised Fuzzy Clustering Approach for Early Screening of COVID-19 from Radiological Images

2021 ◽  
pp. 1-1
Author(s):  
Weiping Ding ◽  
Shouvik Chakraborty ◽  
Kalyani Mali ◽  
Sankhadeep Chatterjee ◽  
Janmenjoy Nayak ◽  
...  
Keyword(s):  
Fuzzy Clustering ◽  
Early Screening ◽  
Radiological Images ◽  
Clustering Approach ◽  
Unsupervised Fuzzy Clustering

Improved fuzzy clustering approach: Application to medical image MRI

2012 ◽  
Author(s):  
Noureddine El Harchaoui ◽  
Samir Bara ◽  
Mounir Ait Kerroum ◽  
Ahmed Hammouch ◽  
Mohamed Ouadou ◽  
...  
Keyword(s):  
Fuzzy Clustering ◽  
Medical Image ◽  
Clustering Approach

An improved fuzzy clustering approach using possibilist c-means algorithm: Application to medical image MRI

2012 ◽  
Author(s):  
Nour-eddine El harchaoui ◽  
Samir Bara ◽  
Mounir Ait Kerroum ◽  
Ahmed Hammouch ◽  
Mohamed Ouaddou ◽  
...  
Keyword(s):  
Fuzzy Clustering ◽  
Medical Image ◽  
Clustering Approach

Robust fuzzy clustering of relational data

2002 ◽  
Vol 10 (6) ◽  
pp. 713-727 ◽  
Author(s):  
R.N. Dave ◽  
S. Sen
Keyword(s):  
Fuzzy Clustering ◽  
Relational Data
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