densitometry
densitometry (n)
- plural
- densitometries
English Definitions:
densitometry (noun)
measuring the optical density of a substance by shining light on it and measuring its transmission
densitometry (Noun)
The measurement of optical density by use of a densitometer
densitometry (Noun)
The measurement of body density
Densitometry
Densitometry is the quantitative measurement of optical density in light-sensitive materials, such as photographic paper or photographic film, due to exposure to light. Optical density is a result of the darkness of a developed picture and can be expressed absolutely as the number of dark spots in a given area, but usually it is a relative value, expressed in a scale. Since density is usually measured by the decrease in the amount of light which shines through a transparent film, it is also called absorptiometry, the measure of light absorption through the medium. The corresponding measuring device is called a densitometer. The logarithm of the reciprocal of the transmittance is called the absorbance or density. DMax and DMin refer to the maximum and minimum density that can be recorded on the material. The difference between the two is the density range. The density range is related to the exposure range, which is the range of light intensity that is represented by the recording, via the Hurter–Driffield curve. The dynamic range can be measured in "stops", which is the binary logarithm of the ratio of highest and lowest distinguishable exposures.
Densitometry
Densitometry is the quantitative measurement of optical density in light-sensitive materials, such as photographic paper or photographic film, due to exposure to light.
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"densitometry." Kamus.net. STANDS4 LLC, 2024. Web. 20 Apr. 2024. <https://www.kamus.net/english/densitometry>.
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