characteristic curve

American  

noun

1. Photography. a graph used in sensitometry to show the relationship between exposure time and image density under constant developing conditions.

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characteristic curve British  

noun

1. photog a graph of the density of a particular photographic material plotted against the logarithm of the exposure producing this density

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Etymology

Origin of characteristic curve

First recorded in 1900–05

Example Sentences

The scientists did not give the program, called a neural network, explicit instructions to find the characteristic curves of an exoplanet.

From Washington Post

He ascertained that there was a complete correspondence between the sensitiveness of the tubes used as telegraphic instruments and the form of the characteristic curve of current and voltage drawn by the above-described method.

From Project Gutenberg

And yet—and yet Ethelred P. Wyndhurst was like Isaac—that characteristic curve of the nose, those thick eyebrows!

From Project Gutenberg

Receiver operator characteristic curves for GO terms with predicted new members and area-under-the-curve statistics.

From Science Magazine

The geometrical interpretation of this condition is that the straight line LM must, at the point where it cuts the characteristic curve, be steeper than the tangent to characteristic curve.

From Project Gutenberg