Measuring Geometrical Parameters of Involute Spur Gears to Sub-pixel Resolution | Zendy

M. J. Robinson | Zendy; J. P. Oakley | Zendy

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Measuring Geometrical Parameters of Involute Spur Gears to Sub-pixel Resolution

Author(s) -

M. J. Robinson,

J. P. Oakley

Publication year - 1992

Publication title -

citeseer x (the pennsylvania state university)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.5244/c.6.42

Subject(s) - spur , involute , pixel , spur gear , computer science , resolution (logic) , image resolution , geometry , computer vision , mechanical engineering , engineering , artificial intelligence , mathematics , structural engineering

The problem of accurate determination of the position, orientation and width of involute spur gear teeth using a single front-lit image is addressed. The information is used to compute global measures of tooth concentricity and pitch variations across a gear wheel. The approach is based on the use of specialised filters which make maximum use of the grey level information available in the image. Tooth location consistent to ±0.04 pixels has been achieved in realistic images.

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