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Heritage Science
Fig. 6 | Heritage Science

Fig. 6

From: A novel methodology for writer (hand) identification: establishing Rigas Feraios wrote two important Greek documents discovered in Romania

Fig. 6

a the border (contour) of a “σ” realization belonging to “FYSAP”: it consists of an outer simple closed Jordan curve (shown in blue) and an internal one, enclosed by the first (depicted in orange); b the contour of a “β” realization belonging to “SAGAN”: it consists of an outer simple closed Jordan curve (shown in blue) and two internal ones (shown in orange and yellow), which are enclosed by the external curve

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