International Core Journal of Engineering 2020-26 | Page 141

[10] Chen X, Liu W, Qiu H, et al. APSCAN: A parameter free algorithm
for clustering.[J]. Pattern Recognition Letters, 2011, 32(7):973-986.
[11] Jian H. DSets-DBSCAN: A Parameter-Free Clustering Algorithm[J].
IEEE Transactions on Image Processing, 2016, 25(7):3182-3193.
[12] Ankerst M, Breunig M M, Kriegel H P. OPTICS:ordering points to
identify the clustering structure[C]// Acm Sigmod International
Conference on Management of Data. 1999.
[13] Zou X L, Zhu Q S, Yang R L. Natural Nearest Neighbor for Isomap
Algorithm without Free-Parameter[J]. Advanced Materials Research,
2011, 219-220:994-998.
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