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Choosing the wood using artificial vision
May 20, 2003Amongst the TR+D projects financed by the Basque Government INTEK programme, the IT Department at CIDEMCO, in conjunction with the CEIT Centre of Technology, the CVC company, and furniture manufacturers BIOK, XEY and DANONA, have finished the final phase of the development of an artificial vision system for the formulation of colorants for the furniture industry. During the project, an artificial vision prototype was designed and image correction and analysis algorithms developed as well as the pairing of pieces. Moreover, a number of studies on the reflective properties of wood items have been carried out, such as the influence of the position of the piece and the lustre of the varnish within the dye. Finally, two computer programmes have been drawn up, one for the automatic pairing and selection of items of wood, and the other to help in obtaining the correct coloration formula in the dyeing process for veneers.
The final tests carried out in the factory credit the good functioning of the system as one which, in real time, carries out the tasks of automatic selection and pairing of the items according to criteria of the human eye. This is done by means of the extraction and comparison of descriptive parameters that characterise the colour, the contrast and the grain of the wood.
Elhuyar Fundazioa
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