Method of indentifying and quantifying oxides on rolled metal st

Details Method of indentifying and quantifying oxides on rolled metal st Method of indentifying and quantifying oxides on rolled metal st

1991-06-21

1992-09-08

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358101, H04N 718

Patent

active

051463113

ABSTRACT:
A method of determining the severity of oxides rolled onto the surfaces of metal strips subjected to rolling operations. The method includes identifying different types of rolled-on oxides, and comprises providing image pixels of at least a portion of a strip surface that contains oxides. The image pixels are filtered to identify oxides extending in a fixed direction and are thresholded to segment oxides from other surface features extending in the fixed direction. All pixel ares and/or intensities that are above a threshold value employed in the thresholding step are summed to obtain the total amount of oxides on the strip surface.

REFERENCES:
patent: 4319270 (1982-03-01), Kimura et al.
patent: 4561104 (1985-12-01), Martin

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