Fig. 7From: Symbol spotting for architectural drawings: state-of-the-art and new industry-driven developmentsSample visual results on GREC contest dataset, part 1. Sample visual results of the proposed symbol spotting approach on the GREC contest dataset [5], ideal case, for a correlation threshold TH = 0.875. Color legend (a) and spotted symbols on images 6 (b) and 20 (c). In both examples, all symbols were correctly detected with no false positivesBack to article page