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Fig. 2 | BMC Medical Informatics and Decision Making

Fig. 2

From: Autism risk classification using placental chorionic surface vascular network features

Fig. 2

The process of obtaining a feature vector for each placenta. a A digital photograph of the placental chorionic surface vascular network (PCSVN) from the NCS data set. b Traced PCSVN for the image in (a) following the tracing protocols in [14]. c The skeletonisation of the traced PCSVN image in (b) that was produced by a MATLAB program written in house by the research team. d Numerical values of PCSVN features computed by our MATLAB program for the image in (c). Each of the 290 placentas in our data set is associated with a list of values similar to those given in (d)

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