Light-Strip Model Based Highlight-Line Method for Surface Interrogation

Bao Guo Yang; H.C. Shen; W.S. Zong

doi:10.4028/www.scientific.net/AMM.33.688

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 33Light-Strip Model Based Highlight-Line Method for...

Light-Strip Model Based Highlight-Line Method for Surface Interrogation

Abstract:

A method for surface interrogation named light-strip model based highlight-line technique is proposed. The principium of this method is: taking out a light-strip that includes axial line to replace light-cylinder, making all lines lie in a same light source plane, getting a series of highlight-points on surface by intersecting distance function with different plains, using cubic Hermite interpolation to fit continuous highlight-line cluster passing through those highlight-points. Examples show this method is a comparative ideal surface interrogation technique, it overcomes the shortcoming of light-cylinder model based one as highlight-lines correlating with fiducially line, and the interrogation results cannot reflect the surface fairness of curvature acutely diversification regions.