Varnish Rating of Piston Skirt by Image Processing 951799

A new method for rating the varnish of the piston skirt was developed by using image processing. The varnished area of a piston skirt was extracted from the developed color image in terms of the density and the color data. The figure of merit rating was calculated using a personal computer. The newly developed method makes it possible to rate varnish of the piston skirt automatically, quantitatively and quickly.


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