Patent ID: 7915589

Claim:
An imaging apparatus comprising: a detection unit including a plurality of conversion elements arranged in an array on a substrate for converting an incident radiation or incident light into an electric signal, to derive an image based on the electric signal; a memory unit for storing a dark current response characteristics of the detection unit based on a time after applying a bias to the conversion element; a first time period measuring unit for measuring a first time period from an applying of a bias to the conversion element until a start of an accumulation of the conversion element for deriving the image; a second time period measuring unit for measuring a second time period from a start of the accumulation until an end of the accumulation; an accumulation charge quantity arithmetic operation unit for calculating a dark current accumulation charge quantity included in the accumulation based on the dark current response characteristics and the first and second time periods; and an image processing unit for conducting an offset correction of the image derived based on the dark current accumulation charge quantity.