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13 January 2005 Laser spot center determination with multispectrum image processing
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Abstract
In this paper, an effective method applied in laser spot center determination is described, which is based on multi-spectrum digital image processing. The laser collimation technique combined with digital image processing technique is adopted to realize the measurement of parallel cylindrical tubes with mono axis or multi-axes. The advantages of detection are non-invasive, high measuring accuracy; easily realizing the measuring procedure with automation and intelligence.
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Di Xu, Li Li, and Hong Ma "Laser spot center determination with multispectrum image processing", Proc. SPIE 5629, Lasers in Material Processing and Manufacturing II, (13 January 2005); https://doi.org/10.1117/12.574501
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