Shape Measurement from Endoscopic Images: Determination of Dimensional Scale Factor by a Photometric Method

Norihiko ODA; Jun HASEGAWA; Tetsuo NONAMI; Masahiro YAMAGUCHI; Nagaaki OHYAMA

doi:10.1007/s10043-995-0194-8

Norihiko ODA, Jun HASEGAWA, Tetsuo NONAMI, Masahiro YAMAGUCHI, Nagaaki OHYAMA

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Keywords: endoscope, surface structure, shape measurement, photometric method, monocular image, image sequence

JOURNAL FREE ACCESS

1995 Volume 2 Issue 3 Pages 194-198

DOI https://doi.org/10.1007/s10043-995-0194-8

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Abstract

We propose a new method to measure surface topography using a monocular endoscope. The surface structure is obtained up to a scale factor from an image sequence taken through a conventional CCD endoscope. The scale factor is determined by a photometric method, and the actual size of the object can be determined. The principle and experimental results are presented.

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