IMAGE CONVERSION FOR LASER PYROGRAPHY
2015
Adrian PETRU
All previous studies of pyrography have been focussed on colour obtained through modifyingthe work parameters. This paper analyses colour nuances obtained by laser woodworking bymeasuring colour changes digitally. The investigated parameter is colour reproduction by lasertechnology, using different image conversion methods (Halftone Round, Jarvis, and so on). Thechanges of image reproduction are analysed globally and colour by colour. The results show that thecolour nuances are represented to a more and less degree, according to the conversion methodselected. To evaluate the aesthetic changes, CIEL*a*b* colour measurements were applied. Theresults show that laser burning on wood surfaces has a great influence on wood colour. These findingswill be useful to develop innovative design possibilities for wood surfaces for furniture and otherproducts.
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