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Grid-Based Mode Seeking Procedure (CROSBI ID 163093)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Krstinić, Damir ; Slapničar, Ivan Grid-Based Mode Seeking Procedure // Intelligent data analysis, 15 (2011), 3; 343-356. doi: 10.3233/IDA-2010-0471

Podaci o odgovornosti

Krstinić, Damir ; Slapničar, Ivan

engleski

Grid-Based Mode Seeking Procedure

We propose a novel mode seeking and clustering procedure based on the estimation of the discrete probability density function of the data set. The discrete density is estimated in two steps. Initial density estimate is acquired by counting data samples which populate each cell of the discretized domain. Based on the initial density estimate, each cell of the discretized domain is assigned a variable bandwidth kernel, which is afterwards used to compute final discrete density estimate. Modes of the estimated density, corresponding to the patterns in the input data, are obtained by hill climbing procedure. The proposed technique is highly efficient, running in time linear to the number of input data samples, with low constant factors. The proposed technique has no embedded assumptions about structure of the data or the feature space, like number of clusters or their shape, thus arbitrarily structured data sets can be analyzed.

clustering; mode seeking; density estimation; density based clustering; variable kernel

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Podaci o izdanju

15 (3)

2011.

343-356

objavljeno

1088-467X

10.3233/IDA-2010-0471

Povezanost rada

Računarstvo

Poveznice
Indeksiranost