Identifying an image sensor based on its output data

Full Title

Scenes; Scene-specific elements > Identifying an image sensor based on its output data

Classification Context

Section:

PHYSICS

Class:

COMPUTING OR CALCULATING; COUNTING

Subclass:

IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING

Scope Notes

Glossary: fixed pattern noise (FPN) fixed pattern noise FPN additive noise caused by dark currents when the sensor array is not exposed to light hardwaremetry process of searching for characteristic features for identifying an image sensor photo response non-uniformity (PRNU) photo response non-uniformity PRNU major source of noise caused when pixels have different light sensitivities caused by the inhomogeneity of silicon wafers SNR Signal-to-noise ratio