Deposit detection device and deposit detection method

Abstract

A deposit detection device according to an embodiment includes a detection module and a determination module. The detection module detects a deposit region including a deposit adhering to a lens of an imaging device from a captured image captured by the imaging device. The determination module performs maintenance determination as to whether to maintain a detection history of detection by the detection module, based on brightness information of the captured image.

Dependencies are inferred from the claim text.