Reconstructing a shadow pattern image of the internal surface of a small hole and estimating surface roughness from the image
UNSPECIFIED. (1997) Reconstructing a shadow pattern image of the internal surface of a small hole and estimating surface roughness from the image. OPTICAL ENGINEERING, 36 (8). pp. 2210-2215. ISSN 0091-3286Full text not available from this repository.
A non-destructive method used to estimate internal surface roughness of a small hole (0.2 mm in diameter and 0.7 mm in depth) is described. The first step of this method is to reconstruct a shadow pattern image of the internal surface from a series of optically sectioned images of the surface. The surface roughness parameters are then calculated from this shadow pattern image. The method is verified by measuring a known flat surface and comparing the results with stylus measurements. (C) 1997 Society of Photo-Optical Instrumentation Engineers.
|Item Type:||Journal Article|
|Subjects:||Q Science > QC Physics|
|Journal or Publication Title:||OPTICAL ENGINEERING|
|Publisher:||SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS|
|Official Date:||August 1997|
|Number of Pages:||6|
|Page Range:||pp. 2210-2215|
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