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. 2014 Dec 22;9(12):e114325. doi: 10.1371/journal.pone.0114325

Figure 6. The vectorial basis of patches (left) learnt from a high quality tomographic reconstruction of the phase image of a human breast(right).

Figure 6

In each atom of the dictionary the upper Inline graphic part is the Inline graphic component while the lower part is the Inline graphic component.