Imaging device

Abstract

An imaging device including a sensor capable of detecting a distance to a target object based on a time-of-flight (TOF) method is disclosed. In an embodiment, an image device comprise: an image signal processor which includes: an analyzer configured to: generate an intensity image of an object to be imaged by an image sensor based on a count value representing a number of detection events obtained by sensing reflected light from the object and detecting photons of the reflected light; analyze a change in an intensity value of the intensity image over a first time period; and analyze a change in a temperature over the first time period; and an intensity attenuation determiner configured to determine an occurrence of intensity attenuation in the intensity image over time based on an analysis result of the analyzer.

Dependencies are inferred from the claim text.