Fig. 4From: Symbol spotting for architectural drawings: state-of-the-art and new industry-driven developmentsGraph-based descriptions of a bed symbol. Bed symbol from SESYD (a), vectorized image (b), Fully Visibility Graph (FVG) (c), Attributed Relational Graph (ARG) (d), intersection types used for ARG (e), and Region Adjacency Graph (RAG) (f)Back to article page