Noise, dark

EN: Noise, thermal [electronic]

Fotografie digitala si IT

Also known as dark current noise. Part of the noise due to thermally generated free electrons. It is currently considered that thermal noise doubles for an increase of 8° of the ambient temperature. This noise is particularly visible in low-light.
DXO Glossary

79%

Accuracy

Noise, prnu

Pixel response non-uniformity. Noise due to the inhomogeneity of pixels properties on the sensor.

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96%

Accuracy

Noise, dark

See Dark noise.

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73%

Accuracy

Noise, photonic

Random variations of the light perceived by the sensor due to the fact that photons are not emitted at a constant rate, but follow a random process (see Poisson process).

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