Paper Title:
Measurement of Cavity Volume Based on Machine Vision
  Abstract

We propose a new method aiming at solving the volume measurement problem of the complex-shaped cavity of a workpiece. We first use machine vision technology to obtain the external geometric parameters, and then calculate the external volume of the workpiece through integral principle. Next, we calculate the solid-part volume of the workpiece by dividing its weight by its specific gravity. Finally, by subtracting the solid-part volume from the external volume of the workpiece, we obtain the volume of the inner cavity. The experimental results show that the precision of our method is higher than 0.5%, and the time consumed is less than 20 seconds.

  Info
Periodical
Advanced Materials Research (Volumes 301-303)
Chapter
Chapter 2: Measuring and Testing Techniques
Edited by
Riza Esa and Yanwen Wu
Pages
1196-1201
DOI
10.4028/www.scientific.net/AMR.301-303.1196
Citation
J. J. Hao, Z. T. Liu, Q. Jiang, X. L. Liang, "Measurement of Cavity Volume Based on Machine Vision", Advanced Materials Research, Vols. 301-303, pp. 1196-1201, 2011
Online since
July 2011
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Price
$32.00
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