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. 2018 Nov 29;13(11):e0204596. doi: 10.1371/journal.pone.0204596

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© 2018 Dong et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 8 — All samples are color-coded according to their digit classes. (A) The t-SNE visualization of MFSC features. Most digit classes have more than one cluster. (B) The t-SNE visualization of SNN output. The processing of SNN makes the clusters of each digit merged or closer.