Identifying an image sensor based on its output data

Filing statistics

IPC G06V 20/9 belongs to the parent subclass G06V, which recorded 380,096 patent applications worldwide between 2013 and 2023. Annual filings grew from 4,213 in 2013 to 101,211 in 2023 (+2302%). The most active applicants in class G06 are SAMSUNG ELECTRONICS COMPANY (66,669 applications), IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) (62,313 applications) and MICROSOFT TECHNOLOGY LICENSING (41,918 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

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