Lanzetta, Michele and Fanti, Federica and Tantussi, Giovanni (2010) Confronto tra metodi ottici di misura per la caratterizzazione di incisioni laser e waterjet (su materiali lapidei). Automazione Integrata, XIV (5). pp. 44-47. ISSN 0393-3911
Vision systems have already been used in the past with OCR (Optical Character Recognition) and their application to segmentation, recognition and classification of characters has allowed the analysis of waterjet and laser engraving on marble specimens in White Carrara and Pearlato Coreno. This work included the development of a vision system based on 3D optical grids and the use of a laser triangulation (by an optical profilometer) for the characterization and optimization of engravings, and bibliographic work on standards and OCR techniques for printed characters. Finally the two techniques are reviewed with an experimental approach.
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