2016
DOI: 10.1186/s40064-016-3329-4
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The global Minmax k-means algorithm

Abstract: The global k-means algorithm is an incremental approach to clustering that dynamically adds one cluster center at a time through a deterministic global search procedure from suitable initial positions, and employs k-means to minimize the sum of the intra-cluster variances. However the global k-means algorithm sometimes results singleton clusters and the initial positions sometimes are bad, after a bad initialization, poor local optimal can be easily obtained by k-means algorithm. In this paper, we modified the… Show more

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Cited by 43 publications
(19 citation statements)
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“…In this section, we first present some segmentation results on synthetic and real images from our proposed segmentation method using some vectorial orders and compared with those of the K-means method [17]. Then a quantitative evaluation through supervised evaluation methods and unsupervised evaluation of the quality of the segmentation through different vectorial orders with respect to K-means is performed.…”
Section: Segmentation Results and Evaluation Of The Proposed Approachmentioning
confidence: 99%
“…In this section, we first present some segmentation results on synthetic and real images from our proposed segmentation method using some vectorial orders and compared with those of the K-means method [17]. Then a quantitative evaluation through supervised evaluation methods and unsupervised evaluation of the quality of the segmentation through different vectorial orders with respect to K-means is performed.…”
Section: Segmentation Results and Evaluation Of The Proposed Approachmentioning
confidence: 99%
“…In order to demonstrate that our AGDNMF method improves the clustering performance, we compare it with the following algorithm, such as other K-means clustering method [35], PCA [9], non-negative matrix factorization NMF [10], graph regularized nonnegative matrix factorization (GNMF) [34], constrained nonnegative matrix factorization (CNMF) [28], robust graph regularized nonnegative matrix factorization (RGNMF) [36], discriminative nonnegative matrix factorization (DNMF) [26].…”
Section: B Comparison Methodsmentioning
confidence: 99%
“…Firstly, a sample was randomly selected as the first clustering center C 0 ; secondly, calculating the distance between each sample point and C 0 , the farthest sample point served as the second clustering center C 1 ; calculate the distance between the rest of the sample points and the cluster center C 0 and C 1 respectively; choose the smaller distance, and then choose the largest distance from these distance as the third clustering center. By analogy, K clustering centers were finally found [8].…”
Section: Selection Of Initial Clustering Centersmentioning
confidence: 99%