Method of optical density correction

Details Method of optical density correction Method of optical density correction

1989-05-26

1991-05-14

Teska, Kevin J.

Boots, shoes, and leggings

73 1R, 36457107, G01N 900

Patent

active

050162039

ABSTRACT:
Values of measured optical density are corrected by measuring a high and a low density which are known as standard densities to obtain their measured value by an optical densitometer subjected to a calibration; providing data for zero point correction based on the difference between the measured and known optical densities; storing the zero point correction data in a memory; and correcting the measured density of a subject by using the zero point correction data read out from the memory. For providing the zero point correction data, the known standard optical densities are previously set in the densitometer.

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